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Small perldelta language tweaks for rindolf's changes
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
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
c31fac66
GS		 977#define MEM_SIZE Size_t
978
1936d2a7
NC		 979/* Round all values passed to malloc up, by default to a multiple of
980 sizeof(size_t)
981*/
982#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
983#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
984#endif
985
f1200559
WH		 986/* sv_grow() will expand strings by at least a certain percentage of
987 the previously *used* length to avoid excessive calls to realloc().
988 The default is 25% of the current length.
989*/
990#ifndef PERL_STRLEN_EXPAND_SHIFT
991# define PERL_STRLEN_EXPAND_SHIFT 2
992#endif
993
51371543
GS		 994#if defined(STANDARD_C) && defined(I_STDDEF)
995# include <stddef.h>
996# define STRUCT_OFFSET(s,m) offsetof(s,m)
997#else
998# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
999#endif
1000
9969cdde 1001#ifndef __SYMBIAN32__
27da23d5
JH		 1002# if defined(I_STRING) || defined(__cplusplus)
1003# include <string.h>
1004# else
1005# include <strings.h>
1006# endif
51371543
GS		 1007#endif
1008
55497cff 1009/* This comes after <stdlib.h> so we don't try to change the standard
1010 * library prototypes; we'll use our own in proto.h instead. */
03a14243 1011
4633a7c4 1012#ifdef MYMALLOC
86058a2d 1013# ifdef PERL_POLLUTE_MALLOC
ee13e175 1014# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 1015# define Perl_malloc malloc
1016# define Perl_calloc calloc
1017# define Perl_realloc realloc
1018# define Perl_mfree free
ee13e175 1019# endif
86058a2d
GS		 1020# else
1021# define EMBEDMYMALLOC /* for compatibility */
1022# endif
827e134a 1023
651b9576
GS		 1024# define safemalloc Perl_malloc
1025# define safecalloc Perl_calloc
1026# define saferealloc Perl_realloc
1027# define safefree Perl_mfree
22f7c9c9
JH		 1028# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
1029 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
1030 code; \
1031 } STMT_END
1032# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
1033 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
1034# define panic_write2(s) write(2, s, strlen(s))
1035# define CHECK_MALLOC_TAINT(newval) \
1036 CHECK_MALLOC_TOO_LATE_FOR_( \
1037 if (newval) { \
1038 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
1039 exit(1); })
22f7c9c9 1040# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 1041 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 1042 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
1043 }} STMT_END;
f2517201
GS		 1044#else /* MYMALLOC */
1045# define safemalloc safesysmalloc
1046# define safecalloc safesyscalloc
1047# define saferealloc safesysrealloc
1048# define safefree safesysfree
22f7c9c9
JH		 1049# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
1050# define CHECK_MALLOC_TAINT(newval) ((void)0)
1051# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 1052#endif /* MYMALLOC */
4633a7c4 1053
fe13d51d 1054/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 1055#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		 1056#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
1057#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
1058#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
1059
a0d0e21e
LW		 1060#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
1061#define strchr index
1062#define strrchr rindex
1063#endif
1064
16d20bd9
AD		 1065#ifdef I_MEMORY
1066# include <memory.h>
1067#endif
1068
fe14fcc3 1069#ifdef HAS_MEMCPY
85e6fe83 1070# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1071# ifndef memcpy
20ce7b12 1072 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1073# endif
1074# endif
1075#else
1076# ifndef memcpy
1077# ifdef HAS_BCOPY
1078# define memcpy(d,s,l) bcopy(s,d,l)
1079# else
1080# define memcpy(d,s,l) my_bcopy(s,d,l)
1081# endif
1082# endif
1083#endif /* HAS_MEMCPY */
fe14fcc3 1084
ee0007ab 1085#ifdef HAS_MEMSET
85e6fe83 1086# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1087# ifndef memset
20ce7b12 1088 extern char *memset (char*, int, int);
ee0007ab
LW		 1089# endif
1090# endif
ee0007ab 1091#else
12ae5dfc 1092# undef memset
fc36a67e 1093# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1094#endif /* HAS_MEMSET */
1095
85e6fe83 1096#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1097# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1098# define memmove(d,s,l) bcopy(s,d,l)
1099# else
2304df62 1100# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1101# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1102# else
79072805 1103# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1104# endif
352d5a3a 1105# endif
d9d8d8de 1106#endif
ee0007ab 1107
36477c24 1108#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1109# undef HAS_MEMCMP
1110#endif
1111
1112#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1113# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1114# ifndef memcmp
20ce7b12 1115 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1116# endif
1117# endif
36477c24 1118# ifdef BUGGY_MSC
7e4e8c89 1119# pragma function(memcmp)
36477c24 1120# endif
ee0007ab
LW		 1121#else
1122# ifndef memcmp
ecfc5424 1123# define memcmp my_memcmp
352d5a3a 1124# endif
36477c24 1125#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1126
fc36a67e 1127#ifndef memzero
c635e13b 1128# ifdef HAS_MEMSET
1129# define memzero(d,l) memset(d,0,l)
79072805 1130# else
c635e13b 1131# ifdef HAS_BZERO
1132# define memzero(d,l) bzero(d,l)
79072805 1133# else
fc36a67e 1134# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1135# endif
1136# endif
d9d8d8de 1137#endif
378cc40b 1138
2f42fcb0 1139#ifndef PERL_MICRO
0f27ced1
JH		 1140#ifndef memchr
1141# ifndef HAS_MEMCHR
1142# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1143# endif
1144#endif
2f42fcb0 1145#endif
0f27ced1 1146
36477c24 1147#ifndef HAS_BCMP
1148# ifndef bcmp
1149# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1150# endif
36477c24 1151#endif /* !HAS_BCMP */
378cc40b 1152
ae986130 1153#ifdef I_NETINET_IN
79072805 1154# include <netinet/in.h>
ae986130
LW		 1155#endif
1156
28e8609d
JH		 1157#ifdef I_ARPA_INET
1158# include <arpa/inet.h>
1159#endif
1160
84902520
TB		 1161#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1162/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1163 * (the neo-BSD seem to do this). */
1164# undef SF_APPEND
1165#endif
1166
1aef975c 1167#ifdef I_SYS_STAT
84902520 1168# include <sys/stat.h>
1aef975c 1169#endif
79072805 1170
287a962e
JD		 1171/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1172 This definition should ideally go into win32/win32.h, but S_IFIFO is
1173 used later here in perl.h before win32/win32.h is being included. */
1174#if !defined(S_IFIFO) && defined(_S_IFIFO)
1175# define S_IFIFO _S_IFIFO
1176#endif
1177
a0d0e21e
LW		 1178/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1179 like UTekV) are broken, sometimes giving false positives. Undefine
1180 them here and let the code below set them to proper values.
1181
1182 The ghs macro stands for GreenHills Software C-1.8.5 which
1183 is the C compiler for sysV88 and the various derivatives.
1184 This header file bug is corrected in gcc-2.5.8 and later versions.
1185 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1186
1187#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1188# undef S_ISDIR
1189# undef S_ISCHR
1190# undef S_ISBLK
1191# undef S_ISREG
1192# undef S_ISFIFO
1193# undef S_ISLNK
ee0007ab 1194#endif
135863df 1195
663a0e37
LW		 1196#ifdef I_TIME
1197# include <time.h>
ffed7fef 1198#endif
663a0e37 1199
fe14fcc3 1200#ifdef I_SYS_TIME
85e6fe83 1201# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1202# define KERNEL
1203# endif
1204# include <sys/time.h>
85e6fe83 1205# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1206# undef KERNEL
1207# endif
a687059c 1208#endif
135863df 1209
55497cff 1210#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1211# include <sys/times.h>
d9d8d8de 1212#endif
8d063cd8 1213
fe14fcc3 1214#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1215# undef HAS_STRERROR
663a0e37
LW		 1216#endif
1217
1218#include <errno.h>
1e743fda 1219
acfe0abc 1220#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1221# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1222#endif
1223
8cfab5ff 1224/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1225 * This is important for using IPv6.
8cfab5ff
JH		 1226 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1227 * a bad idea since it breaks send() and recv(). */
1228#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1229# define _SOCKADDR_LEN
1230#endif
1231
da70cfc6 1232#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1233# include <sys/socket.h>
1234# if defined(USE_SOCKS) && defined(I_SOCKS)
1235# if !defined(INCLUDE_PROTOTYPES)
1236# define INCLUDE_PROTOTYPES /* for <socks.h> */
1237# define PERL_SOCKS_NEED_PROTOTYPES
1238# endif
1239# include <socks.h>
1240# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1241# undef INCLUDE_PROTOTYPES
1242# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1243# endif
d460ef45 1244# endif
1e743fda 1245# ifdef I_NETDB
2986a63f
JH		 1246# ifdef NETWARE
1247# include<stdio.h>
1248# endif
1e743fda
JH		 1249# include <netdb.h>
1250# endif
1251# ifndef ENOTSOCK
1252# ifdef I_NET_ERRNO
1253# include <net/errno.h>
1254# endif
1255# endif
1256#endif
1257
fa0a29af 1258/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1259 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1260 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1261#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1262# if defined(__THROW) && defined(__GLIBC__)
1263int sockatmark(int) __THROW;
1264# else
2ef53570 1265int sockatmark(int);
29820b6d 1266# endif
2ef53570
JH		 1267#endif
1268
7e827271 1269#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		 1270EXTERN_C int fchdir(int);
1271EXTERN_C int flock(int, int);
1272EXTERN_C int fseeko(FILE *, off_t, int);
1273EXTERN_C off_t ftello(FILE *);
1274#endif
1275
7e827271 1276#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1277EXTERN_C char *crypt(const char *, const char *);
7e827271 1278EXTERN_C char **environ;
1ccb7c8d
JH		 1279#endif
1280
83a6ff2e 1281#if defined(__cplusplus)
944c4fda 1282# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1283EXTERN_C char **environ;
83a6ff2e 1284# elif defined(__CYGWIN__)
667e2948
SP		 1285EXTERN_C char *crypt(const char *, const char *);
1286#endif
83a6ff2e 1287#endif
667e2948 1288
1e743fda
JH		 1289#ifdef SETERRNO
1290# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1291#endif
f86702cc 1292
1293#ifdef VMS
1294# define SETERRNO(errcode,vmserrcode) \
1295 STMT_START { \
1296 set_errno(errcode); \
1297 set_vaxc_errno(vmserrcode); \
1298 } STMT_END
4ee39169
CS		 1299# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1300# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1301# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1302# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1303
93189314
JH		 1304# define LIB_INVARG LIB$_INVARG
1305# define RMS_DIR RMS$_DIR
1306# define RMS_FAC RMS$_FAC
1307# define RMS_FEX RMS$_FEX
1308# define RMS_FNF RMS$_FNF
1309# define RMS_IFI RMS$_IFI
1310# define RMS_ISI RMS$_ISI
1311# define RMS_PRV RMS$_PRV
1312# define SS_ACCVIO SS$_ACCVIO
1313# define SS_DEVOFFLINE SS$_DEVOFFLINE
1314# define SS_IVCHAN SS$_IVCHAN
1315# define SS_NORMAL SS$_NORMAL
748a9306 1316#else
aba27d88 1317# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1318# define dSAVEDERRNO int saved_errno
1319# define dSAVE_ERRNO int saved_errno = errno
1320# define SAVE_ERRNO (saved_errno = errno)
1321# define RESTORE_ERRNO (errno = saved_errno)
1322
93189314
JH		 1323# define LIB_INVARG 0
1324# define RMS_DIR 0
1325# define RMS_FAC 0
1326# define RMS_FEX 0
1327# define RMS_FNF 0
1328# define RMS_IFI 0
1329# define RMS_ISI 0
1330# define RMS_PRV 0
1331# define SS_ACCVIO 0
1332# define SS_DEVOFFLINE 0
1333# define SS_IVCHAN 0
1334# define SS_NORMAL 0
748a9306 1335#endif
ed6116ce 1336
f5fa9033 1337#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1338
1339#define CLEAR_ERRSV() STMT_START { \
1340 if (!GvSV(PL_errgv)) { \
1341 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1342 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1343 SvREFCNT_dec(GvSV(PL_errgv)); \
1344 GvSV(PL_errgv) = newSVpvs(""); \
1345 } else { \
1346 SV *const errsv = GvSV(PL_errgv); \
1347 sv_setpvs(errsv, ""); \
1348 if (SvMAGICAL(errsv)) { \
1349 mg_free(errsv); \
1350 } \
1351 SvPOK_only(errsv); \
1352 } \
1353 } STMT_END
1354
1355
414bf5ae
MHM		 1356#ifdef PERL_CORE
1357# define DEFSV (0 + GvSVn(PL_defgv))
1358#else
1359# define DEFSV GvSVn(PL_defgv)
1360#endif
1361#define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
3db8f154 1362#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1363
98eae8f5
GS		 1364#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1365
55497cff 1366#ifndef errno
5ff3f7a4
GS		 1367 extern int errno; /* ANSI allows errno to be an lvalue expr.
1368 * For example in multithreaded environments
1369 * something like this might happen:
1370 * extern int *_errno(void);
1371 * #define errno (*_errno()) */
d9d8d8de 1372#endif
663a0e37 1373
2304df62 1374#ifdef HAS_STRERROR
a0d0e21e 1375# ifdef VMS
20ce7b12 1376 char *strerror (int,...);
a0d0e21e 1377# else
68dc0745 1378#ifndef DONT_DECLARE_STD
20ce7b12 1379 char *strerror (int);
68dc0745 1380#endif
a0d0e21e 1381# endif
2304df62
AD		 1382# ifndef Strerror
1383# define Strerror strerror
1384# endif
1385#else
1386# ifdef HAS_SYS_ERRLIST
79072805
LW		 1387 extern int sys_nerr;
1388 extern char *sys_errlist[];
2304df62
AD		 1389# ifndef Strerror
1390# define Strerror(e) \
79072805 1391 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1392# endif
79072805 1393# endif
35c8bce7 1394#endif
663a0e37 1395
2304df62 1396#ifdef I_SYS_IOCTL
79072805
LW		 1397# ifndef _IOCTL_
1398# include <sys/ioctl.h>
1399# endif
a687059c
LW		 1400#endif
1401
ee0007ab 1402#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1403# ifdef HAS_SOCKETPAIR
1404# undef HAS_SOCKETPAIR
1405# endif
2304df62
AD		 1406# ifdef I_NDBM
1407# undef I_NDBM
79072805 1408# endif
a687059c
LW		 1409#endif
1410
02fc2eee
NC		 1411#ifndef HAS_SOCKETPAIR
1412# ifdef HAS_SOCKET
1413# define socketpair Perl_my_socketpair
1414# endif
1415#endif
1416
a687059c 1417#if INTSIZE == 2
79072805
LW		 1418# define htoni htons
1419# define ntohi ntohs
a687059c 1420#else
79072805
LW		 1421# define htoni htonl
1422# define ntohi ntohl
a687059c
LW		 1423#endif
1424
a0d0e21e 1425/* Configure already sets Direntry_t */
35c8bce7 1426#if defined(I_DIRENT)
663a0e37 1427# include <dirent.h>
8f1f23e8
W		 1428 /* NeXT needs dirent + sys/dir.h */
1429# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1430# include <sys/dir.h>
1431# endif
ae986130 1432#else
fe14fcc3 1433# ifdef I_SYS_NDIR
79a0689e 1434# include <sys/ndir.h>
663a0e37 1435# else
fe14fcc3 1436# ifdef I_SYS_DIR
79a0689e
LW		 1437# ifdef hp9000s500
1438# include <ndir.h> /* may be wrong in the future */
1439# else
1440# include <sys/dir.h>
1441# endif
663a0e37
LW		 1442# endif
1443# endif
4633a7c4 1444#endif
a687059c 1445
12ae5dfc
JH		 1446#ifdef PERL_MICRO
1447# ifndef DIR
1448# define DIR void
1449# endif
1450#endif
1451
352d5a3a
LW		 1452#ifdef FPUTS_BOTCH
1453/* work around botch in SunOS 4.0.1 and 4.0.2 */
1454# ifndef fputs
79072805 1455# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1456# endif
1457#endif
1458
c623bd54
LW		 1459/*
1460 * The following gobbledygook brought to you on behalf of __STDC__.
1461 * (I could just use #ifndef __STDC__, but this is more bulletproof
1462 * in the face of half-implementations.)
1463 */
1464
7114a2d2 1465#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1466#include <sys/mode.h>
1467#endif
1468
c623bd54
LW		 1469#ifndef S_IFMT
1470# ifdef _S_IFMT
1471# define S_IFMT _S_IFMT
1472# else
1473# define S_IFMT 0170000
1474# endif
1475#endif
1476
1477#ifndef S_ISDIR
1478# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1479#endif
1480
1481#ifndef S_ISCHR
1482# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1483#endif
1484
1485#ifndef S_ISBLK
fe14fcc3
LW		 1486# ifdef S_IFBLK
1487# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1488# else
1489# define S_ISBLK(m) (0)
1490# endif
c623bd54
LW		 1491#endif
1492
1493#ifndef S_ISREG
1494# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1495#endif
1496
1497#ifndef S_ISFIFO
fe14fcc3
LW		 1498# ifdef S_IFIFO
1499# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1500# else
1501# define S_ISFIFO(m) (0)
1502# endif
c623bd54
LW		 1503#endif
1504
1505#ifndef S_ISLNK
1506# ifdef _S_ISLNK
1507# define S_ISLNK(m) _S_ISLNK(m)
1508# else
1509# ifdef _S_IFLNK
1510# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1511# else
1512# ifdef S_IFLNK
1513# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1514# else
1515# define S_ISLNK(m) (0)
1516# endif
1517# endif
1518# endif
1519#endif
1520
1521#ifndef S_ISSOCK
1522# ifdef _S_ISSOCK
1523# define S_ISSOCK(m) _S_ISSOCK(m)
1524# else
1525# ifdef _S_IFSOCK
1526# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1527# else
1528# ifdef S_IFSOCK
1529# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1530# else
1531# define S_ISSOCK(m) (0)
1532# endif
1533# endif
1534# endif
1535#endif
1536
1537#ifndef S_IRUSR
1538# ifdef S_IREAD
1539# define S_IRUSR S_IREAD
1540# define S_IWUSR S_IWRITE
1541# define S_IXUSR S_IEXEC
1542# else
1543# define S_IRUSR 0400
1544# define S_IWUSR 0200
1545# define S_IXUSR 0100
1546# endif
fac7cdfc
JS		 1547#endif
1548
1549#ifndef S_IRGRP
1550# ifdef S_IRUSR
1551# define S_IRGRP (S_IRUSR>>3)
1552# define S_IWGRP (S_IWUSR>>3)
1553# define S_IXGRP (S_IXUSR>>3)
1554# else
1555# define S_IRGRP 0040
1556# define S_IWGRP 0020
1557# define S_IXGRP 0010
1558# endif
1559#endif
1560
1561#ifndef S_IROTH
1562# ifdef S_IRUSR
1563# define S_IROTH (S_IRUSR>>6)
1564# define S_IWOTH (S_IWUSR>>6)
1565# define S_IXOTH (S_IXUSR>>6)
1566# else
1567# define S_IROTH 0040
1568# define S_IWOTH 0020
1569# define S_IXOTH 0010
1570# endif
c623bd54
LW		 1571#endif
1572
1573#ifndef S_ISUID
1574# define S_ISUID 04000
1575#endif
1576
1577#ifndef S_ISGID
1578# define S_ISGID 02000
1579#endif
1580
ca6e1c26
JH		 1581#ifndef S_IRWXU
1582# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1583#endif
ca6e1c26
JH		 1584
1585#ifndef S_IRWXG
1586# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1587#endif
ca6e1c26
JH		 1588
1589#ifndef S_IRWXO
1590# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1591#endif
ca6e1c26 1592
df00ff3b 1593/* BeOS 5.0 and Haiku R1 seem to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1594 * which would get included through <sys/file.h >, but that is 3000
1595 * lines in the future. --jhi */
1596
df00ff3b 1597#if !defined(S_IREAD) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1598# define S_IREAD S_IRUSR
1599#endif
1600
df00ff3b 1601#if !defined(S_IWRITE) && !(defined(__BEOS__) || defined(__HAIKU__))
ca6e1c26
JH		 1602# define S_IWRITE S_IWUSR
1603#endif
1604
1605#ifndef S_IEXEC
1606# define S_IEXEC S_IXUSR
1607#endif
1608
79072805
LW		 1609#ifdef ff_next
1610# undef ff_next
352d5a3a
LW		 1611#endif
1612
a0d0e21e 1613#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1614# define SLOPPYDIVIDE
1615#endif
1616
748a9306
LW		 1617#ifdef UV
1618#undef UV
1619#endif
1620
c89df6bf
JH		 1621#ifdef SPRINTF_E_BUG
1622# define sprintf UTS_sprintf_wrap
1623#endif
1624
ce582cee
NC		 1625/* For the times when you want the return value of sprintf, and you want it
1626 to be the length. Can't have a thread variable passed in, because C89 has
1627 no varargs macros.
1628*/
1629#ifdef SPRINTF_RETURNS_STRLEN
1630# define my_sprintf sprintf
1631#else
1632# define my_sprintf Perl_my_sprintf
1633#endif
1634
5b692037
JH		 1635/*
1636 * If we have v?snprintf() and the C99 variadic macros, we can just
1637 * use just the v?snprintf(). It is nice to try to trap the buffer
1638 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1639 * gcc statement expressions, then use the function wrappers which try
1640 * to trap the overflow. If we can use the gcc statement expressions,
1641 * we can try that even with the version that uses the C99 variadic
1642 * macros.
5b692037
JH		 1643 */
1644
1208b3dd
JH		 1645/* Note that we do not check against snprintf()/vsnprintf() returning
1646 * negative values because that is non-standard behaviour and we use
1647 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1648 * that should be true only if the snprintf()/vsnprintf() are true
1649 * to the standard. */
1650
dfeee9b1 1651#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1652# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1653# 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 1654# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1655# else
1656# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1657# endif
1658#else
1659# define my_snprintf Perl_my_snprintf
1208b3dd 1660# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1661#endif
1662
dfeee9b1 1663#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1664# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1665# 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 1666# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1667# else
1668# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1669# endif
1670#else
1671# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1672# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1673#endif
d9fad198 1674
a6cc4119
SP		 1675#ifdef HAS_STRLCAT
1676# define my_strlcat strlcat
1677#else
1678# define my_strlcat Perl_my_strlcat
1679#endif
1680
1681#ifdef HAS_STRLCPY
1682# define my_strlcpy strlcpy
1683#else
1684# define my_strlcpy Perl_my_strlcpy
1685#endif
1686
c495e728
JH		 1687/* Configure gets this right but the UTS compiler gets it wrong.
1688 -- Hal Morris <hom00@utsglobal.com> */
1689#ifdef UTS
1690# undef UVTYPE
1691# define UVTYPE unsigned
1692#endif
1693
05f13f53 1694/*
27d4fb96 1695 The IV type is supposed to be long enough to hold any integral
1696 value or a pointer.
1697 --Andy Dougherty August 1996
1698*/
1699
a22e52b9
JH		 1700typedef IVTYPE IV;
1701typedef UVTYPE UV;
8175356b 1702
10cc9d2a 1703#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1704# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1705# define IV_MAX INT64_MAX
1706# define IV_MIN INT64_MIN
1707# define UV_MAX UINT64_MAX
cae7ae48
JH		 1708# ifndef UINT64_MIN
1709# define UINT64_MIN 0
1710# endif
5ff3f7a4
GS		 1711# define UV_MIN UINT64_MIN
1712# else
1713# define IV_MAX PERL_QUAD_MAX
1714# define IV_MIN PERL_QUAD_MIN
1715# define UV_MAX PERL_UQUAD_MAX
1716# define UV_MIN PERL_UQUAD_MIN
1717# endif
cf2093f6
JH		 1718# define IV_IS_QUAD
1719# define UV_IS_QUAD
79072805 1720#else
8175356b 1721# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1722# define IV_MAX INT32_MAX
1723# define IV_MIN INT32_MIN
716026f9
DL		 1724# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1725# define UV_MAX UINT32_MAX
1726# else
1727# define UV_MAX 4294967295U
1728# endif
cae7ae48
JH		 1729# ifndef UINT32_MIN
1730# define UINT32_MIN 0
1731# endif
5ff3f7a4
GS		 1732# define UV_MIN UINT32_MIN
1733# else
1734# define IV_MAX PERL_LONG_MAX
1735# define IV_MIN PERL_LONG_MIN
1736# define UV_MAX PERL_ULONG_MAX
1737# define UV_MIN PERL_ULONG_MIN
1738# endif
8175356b 1739# if IVSIZE == 8
cf2093f6
JH		 1740# define IV_IS_QUAD
1741# define UV_IS_QUAD
de1c2614
JH		 1742# ifndef HAS_QUAD
1743# define HAS_QUAD
1744# endif
cf2093f6
JH		 1745# else
1746# undef IV_IS_QUAD
1747# undef UV_IS_QUAD
de1c2614 1748# undef HAS_QUAD
cf2093f6 1749# endif
79072805 1750#endif
d7d93a81 1751
1109a392
MHM		 1752#ifndef HAS_QUAD
1753# undef PERL_NEED_MY_HTOLE64
1754# undef PERL_NEED_MY_LETOH64
1755# undef PERL_NEED_MY_HTOBE64
1756# undef PERL_NEED_MY_BETOH64
1757#endif
1758
6cde8aec 1759#if defined(uts) || defined(UTS)
11afe549
HM		 1760# undef UV_MAX
1761# define UV_MAX (4294967295u)
20601011
JH		 1762#endif
1763
cae7ae48 1764#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1765#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1766
28e5dec8 1767#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1768#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1769#endif
1770
d460ef45 1771/*
26bb67e2
JH		 1772 * The macros INT2PTR and NUM2PTR are (despite their names)
1773 * bi-directional: they will convert int/float to or from pointers.
1774 * However the conversion to int/float are named explicitly:
1775 * PTR2IV, PTR2UV, PTR2NV.
1776 *
1777 * For int conversions we do not need two casts if pointers are
1778 * the same size as IV and UV. Otherwise we need an explicit
1779 * cast (PTRV) to avoid compiler warnings.
1780 */
56431972
RB		 1781#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1782# define PTRV UV
1783# define INT2PTR(any,d) (any)(d)
1784#else
d460ef45 1785# if PTRSIZE == LONGSIZE
56431972 1786# define PTRV unsigned long
e91e3b10 1787# define PTR2ul(p) (unsigned long)(p)
42718184 1788# else
56431972 1789# define PTRV unsigned
42718184 1790# endif
e91e3b10
RB		 1791#endif
1792
1793#ifndef INT2PTR
56431972 1794# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1795#endif
e91e3b10
RB		 1796
1797#ifndef PTR2ul
1798# define PTR2ul(p) INT2PTR(unsigned long,p)
1799#endif
1800
56431972
RB		 1801#define NUM2PTR(any,d) (any)(PTRV)(d)
1802#define PTR2IV(p) INT2PTR(IV,p)
1803#define PTR2UV(p) INT2PTR(UV,p)
1804#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1805#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1806
8141890a
JH		 1807/* According to strict ANSI C89 one cannot freely cast between
1808 * data pointers and function (code) pointers. There are at least
1809 * two ways around this. One (used below) is to do two casts,
1810 * first the other pointer to an (unsigned) integer, and then
1811 * the integer to the other pointer. The other way would be
1812 * to use unions to "overlay" the pointers. For an example of
1813 * the latter technique, see union dirpu in struct xpvio in sv.h.
1814 * The only feasible use is probably temporarily storing
1815 * function pointers in a data pointer (such as a void pointer). */
1816
e91e3b10
RB		 1817#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1818#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1819
65202027 1820#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1821# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1822# define LONG_DOUBLE_EQUALS_DOUBLE
1823# endif
68d4903c 1824# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1825# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1826# endif
1827#endif
1828
2d4389e4
JH		 1829#ifdef OVR_DBL_DIG
1830/* Use an overridden DBL_DIG */
1831# ifdef DBL_DIG
1832# undef DBL_DIG
1833# endif
1834# define DBL_DIG OVR_DBL_DIG
1835#else
1836/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1837 default value for printing floating point numbers in Gconvert
1838 (see config.h). (It also has other uses, such as figuring out if
1839 a given precision of printing can be done with a double instead of
1840 a long double - Allen).
2d4389e4
JH		 1841*/
1842#ifdef I_LIMITS
1843#include <limits.h>
1844#endif
1845#ifdef I_FLOAT
1846#include <float.h>
1847#endif
1848#ifndef HAS_DBL_DIG
1849#define DBL_DIG 15 /* A guess that works lots of places */
1850#endif
1851#endif
1852
1853#ifdef OVR_LDBL_DIG
1854/* Use an overridden LDBL_DIG */
1855# ifdef LDBL_DIG
1856# undef LDBL_DIG
1857# endif
1858# define LDBL_DIG OVR_LDBL_DIG
1859#else
1860/* The following is all to get LDBL_DIG, in order to pick a nice
1861 default value for printing floating point numbers in Gconvert.
1862 (see config.h)
1863*/
68d4903c
JH		 1864# ifdef I_LIMITS
1865# include <limits.h>
1866# endif
1867# ifdef I_FLOAT
1868# include <float.h>
1869# endif
1870# ifndef HAS_LDBL_DIG
1871# if LONG_DOUBLESIZE == 10
1872# define LDBL_DIG 18 /* assume IEEE */
1873# else
1874# if LONG_DOUBLESIZE == 12
1875# define LDBL_DIG 18 /* gcc? */
1876# else
1877# if LONG_DOUBLESIZE == 16
1878# define LDBL_DIG 33 /* assume IEEE */
1879# else
1880# if LONG_DOUBLESIZE == DOUBLESIZE
1881# define LDBL_DIG DBL_DIG /* bummer */
1882# endif
1883# endif
1884# endif
1885# endif
1886# endif
2d4389e4
JH		 1887#endif
1888
20f6aaab
AS		 1889/*
1890 * This is for making sure we have a good DBL_MAX value, if possible,
1891 * either for usage as NV_MAX or for usage in figuring out if we can
1892 * fit a given long double into a double, if bug-fixing makes it
1893 * necessary to do so. - Allen <allens@cpan.org>
1894 */
1895
205f51d8
AS		 1896#ifdef I_LIMITS
1897# include <limits.h>
20f6aaab
AS		 1898#endif
1899
205f51d8
AS		 1900#ifdef I_VALUES
1901# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1902# include <values.h>
1903# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1904# define DBL_MAX MAXDOUBLE
1905# endif
1906# if defined(MINDOUBLE) && !defined(DBL_MIN)
1907# define DBL_MIN MINDOUBLE
1908# endif
1909# endif
1910#endif /* defined(I_VALUES) */
1911
a22e52b9 1912typedef NVTYPE NV;
8175356b 1913
792d8dab
JH		 1914#ifdef I_IEEEFP
1915# include <ieeefp.h>
1916#endif
923fc586 1917
65202027 1918#ifdef USE_LONG_DOUBLE
923fc586
JH		 1919# ifdef I_SUNMATH
1920# include <sunmath.h>
1921# endif
2d4389e4 1922# define NV_DIG LDBL_DIG
d6c14000
JH		 1923# ifdef LDBL_MANT_DIG
1924# define NV_MANT_DIG LDBL_MANT_DIG
1925# endif
06fc1729
JH		 1926# ifdef LDBL_MIN
1927# define NV_MIN LDBL_MIN
1928# endif
1929# ifdef LDBL_MAX
1930# define NV_MAX LDBL_MAX
1931# endif
1932# ifdef LDBL_MIN_10_EXP
1933# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1934# endif
1935# ifdef LDBL_MAX_10_EXP
1936# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1937# endif
1938# ifdef LDBL_EPSILON
1939# define NV_EPSILON LDBL_EPSILON
1940# endif
f4a14a62
JH		 1941# ifdef LDBL_MAX
1942# define NV_MAX LDBL_MAX
20f6aaab 1943/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1944# else
1945# ifdef HUGE_VALL
1946# define NV_MAX HUGE_VALL
1947# else
1948# ifdef HUGE_VAL
1949# define NV_MAX ((NV)HUGE_VAL)
1950# endif
1951# endif
1952# endif
68d4903c 1953# ifdef HAS_SQRTL
68d4903c
JH		 1954# define Perl_cos cosl
1955# define Perl_sin sinl
1956# define Perl_sqrt sqrtl
1957# define Perl_exp expl
1958# define Perl_log logl
1959# define Perl_atan2 atan2l
1960# define Perl_pow powl
1961# define Perl_floor floorl
1bbae031 1962# define Perl_ceil ceill
68d4903c
JH		 1963# define Perl_fmod fmodl
1964# endif
a3540c92
JH		 1965/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1966# ifdef HAS_MODFL
1967# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1968/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1969 prototype in <math.h> */
1970# ifndef HAS_MODFL_PROTO
a221a8a5 1971EXTERN_C long double modfl(long double, long double *);
51997bc3 1972# endif
03476e8e
JH		 1973# else
1974# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1975 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1976# define Perl_modf(x,y) Perl_my_modfl(x,y)
1977# endif
a3540c92
JH		 1978# endif
1979# ifdef HAS_FREXPL
dff3e0b8 1980# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1981# else
1982# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1983 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1984# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1985# endif
a3540c92 1986# endif
38dbb4c5 1987# ifndef Perl_isnan
758a5d79
JH		 1988# ifdef HAS_ISNANL
1989# define Perl_isnan(x) isnanl(x)
1990# endif
1991# endif
1992# ifndef Perl_isinf
1993# ifdef HAS_FINITEL
1994# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1995# endif
1996# endif
65202027 1997#else
2d4389e4 1998# define NV_DIG DBL_DIG
d6c14000
JH		 1999# ifdef DBL_MANT_DIG
2000# define NV_MANT_DIG DBL_MANT_DIG
2001# endif
06fc1729
JH		 2002# ifdef DBL_MIN
2003# define NV_MIN DBL_MIN
2004# endif
2005# ifdef DBL_MAX
2006# define NV_MAX DBL_MAX
2007# endif
2008# ifdef DBL_MIN_10_EXP
2009# define NV_MIN_10_EXP DBL_MIN_10_EXP
2010# endif
2011# ifdef DBL_MAX_10_EXP
2012# define NV_MAX_10_EXP DBL_MAX_10_EXP
2013# endif
2014# ifdef DBL_EPSILON
2015# define NV_EPSILON DBL_EPSILON
2016# endif
205f51d8 2017# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2018# define NV_MAX DBL_MAX
2019# define NV_MIN DBL_MIN
2020# else
2021# ifdef HUGE_VAL
2022# define NV_MAX HUGE_VAL
2023# endif
2024# endif
65202027
DS		 2025# define Perl_cos cos
2026# define Perl_sin sin
2027# define Perl_sqrt sqrt
2028# define Perl_exp exp
2029# define Perl_log log
2030# define Perl_atan2 atan2
2031# define Perl_pow pow
2032# define Perl_floor floor
1bbae031 2033# define Perl_ceil ceil
65202027 2034# define Perl_fmod fmod
a3540c92 2035# define Perl_modf(x,y) modf(x,y)
dff3e0b8 2036# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 2037#endif
2038
2039/* rumor has it that Win32 has _fpclass() */
2040
205f51d8
AS		 2041/* SGI has fpclassl... but not with the same result values,
2042 * and it's via a typedef (not via #define), so will need to redo Configure
2043 * to use. Not worth the trouble, IMO, at least until the below is used
2044 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
2045 * with me for the SGI manpages, SGI testing, etcetera, if you want to
2046 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
2047
758a5d79
JH		 2048#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
2049# ifdef I_IEEFP
2050# include <ieeefp.h>
2051# endif
2052# ifdef I_FP
2053# include <fp.h>
2054# endif
2055# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
2056# define Perl_fp_class() fpclassl(x)
2057# else
2058# define Perl_fp_class() fpclass(x)
2059# endif
2060# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2061# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2062# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
2063# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2064# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2065# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
2066# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2067# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2068# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
2069# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2070# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2071# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
2072# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2073# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
2074# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
2075#endif
2076
7114a2d2 2077#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 2078# include <math.h>
2079# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2080# include <fp_class.h>
2081# endif
2082# define Perl_fp_class(x) fp_class(x)
2083# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
2084# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
2085# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
2086# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
2087# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
2088# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
2089# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
2090# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
2091# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
2092# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
2093# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
2094# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
2095# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
2096# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
2097# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
2098#endif
2099
2100#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2101# include <math.h>
2102# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 2103# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 2104# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
2105# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
2106# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
2107# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
2108#endif
2109
2110#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2111# include <math.h>
2112# ifndef _cplusplus
2113# define Perl_fp_class(x) class(x)
2114# else
2115# define Perl_fp_class(x) _class(x)
2116# endif
2117# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2118# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2119# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
2120# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2121# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2122# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
2123# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2124# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2125# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
2126# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2127# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2128# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
2129# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2130# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2131# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
2132#endif
2133
2134/* rumor has it that Win32 has _isnan() */
2135
2136#ifndef Perl_isnan
a3540c92 2137# ifdef HAS_ISNAN
758a5d79
JH		 2138# define Perl_isnan(x) isnan((NV)x)
2139# else
2140# ifdef Perl_fp_class_nan
2141# define Perl_isnan(x) Perl_fp_class_nan(x)
2142# else
2143# ifdef HAS_UNORDERED
2144# define Perl_isnan(x) unordered((x), 0.0)
2145# else
2146# define Perl_isnan(x) ((x)!=(x))
2147# endif
2148# endif
2149# endif
2150#endif
2151
ca6c63e1
JH		 2152#ifdef UNDER_CE
2153int isnan(double d);
2154#endif
2155
758a5d79
JH		 2156#ifndef Perl_isinf
2157# ifdef HAS_ISINF
2158# define Perl_isinf(x) isinf((NV)x)
a3540c92 2159# else
758a5d79
JH		 2160# ifdef Perl_fp_class_inf
2161# define Perl_isinf(x) Perl_fp_class_inf(x)
2162# else
2163# define Perl_isinf(x) ((x)==NV_INF)
2164# endif
2165# endif
2166#endif
2167
2168#ifndef Perl_isfinite
2169# ifdef HAS_FINITE
2170# define Perl_isfinite(x) finite((NV)x)
2171# else
2172# ifdef HAS_ISFINITE
2173# define Perl_isfinite(x) isfinite(x)
2174# else
2175# ifdef Perl_fp_class_finite
2176# define Perl_isfinite(x) Perl_fp_class_finite(x)
2177# else
2178# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2179# endif
2180# endif
a3540c92 2181# endif
65202027
DS		 2182#endif
2183
a36244b7
JH		 2184/* The default is to use Perl's own atof() implementation (in numeric.c).
2185 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2186 * it is however best to use the native implementation of atof.
2187 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2188 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2189 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2190 * you may need to be using a different function than atof! */
a36244b7
JH		 2191
2192#ifndef USE_PERL_ATOF
2193# ifndef _UNICOS
2194# define USE_PERL_ATOF
2195# endif
2196#else
2197# if USE_PERL_ATOF == 0
2198# undef USE_PERL_ATOF
2199# endif
2200#endif
2201
2202#ifdef USE_PERL_ATOF
2203# define Perl_atof(s) Perl_my_atof(s)
2204# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2205#else
2206# define Perl_atof(s) (NV)atof(s)
2207# define Perl_atof2(s, n) ((n) = atof(s))
2208#endif
cf2093f6 2209
d460ef45 2210/* Previously these definitions used hardcoded figures.
760ac839
LW		 2211 * It is hoped these formula are more portable, although
2212 * no data one way or another is presently known to me.
2213 * The "PERL_" names are used because these calculated constants
2214 * do not meet the ANSI requirements for LONG_MAX, etc., which
2215 * need to be constants acceptable to #if - kja
2216 * define PERL_LONG_MAX 2147483647L
2217 * define PERL_LONG_MIN (-LONG_MAX - 1)
2218 * define PERL ULONG_MAX 4294967295L
2219 */
2220
2221#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2222# include <limits.h>
760ac839 2223#endif
205f51d8 2224/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2225 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2226
99abf803 2227/*
2228 * Try to figure out max and min values for the integral types. THE CORRECT
2229 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2230 * following hacks are used if neither limits.h or values.h provide them:
2231 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2232 * for types < int: (unsigned TYPE)~(unsigned)0
2233 * The argument to ~ must be unsigned so that later signed->unsigned
2234 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2235 * and it must not be smaller than int because ~ does integral promotion.
2236 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2237 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2238 * The latter is a hack which happens to work on some machines but
2239 * does *not* catch any random system, or things like integer types
2240 * with NaN if that is possible.
2241 *
2242 * All of the types are explicitly cast to prevent accidental loss of
2243 * numeric range, and in the hope that they will be less likely to confuse
2244 * over-eager optimizers.
2245 *
2246 */
27d4fb96 2247
99abf803 2248#define PERL_UCHAR_MIN ((unsigned char)0)
2249
2250#ifdef UCHAR_MAX
2251# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2252#else
99abf803 2253# ifdef MAXUCHAR
2254# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2255# else
99abf803 2256# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2257# endif
2258#endif
d460ef45 2259
99abf803 2260/*
2261 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2262 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2263 * depending on local options. Until Configure detects this (or at least
2264 * detects whether the "signed" keyword is available) the CHAR ranges
2265 * will not be included. UCHAR functions normally.
2266 * - kja
2267 */
27d4fb96 2268
99abf803 2269#define PERL_USHORT_MIN ((unsigned short)0)
2270
2271#ifdef USHORT_MAX
2272# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2273#else
99abf803 2274# ifdef MAXUSHORT
2275# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2276# else
ef2f54b0
CB		 2277# ifdef USHRT_MAX
2278# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2279# else
2280# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2281# endif
27d4fb96 2282# endif
2283#endif
2284
27d4fb96 2285#ifdef SHORT_MAX
99abf803 2286# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2287#else
2288# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2289# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2290# else
ef2f54b0
CB		 2291# ifdef SHRT_MAX
2292# define PERL_SHORT_MAX ((short)SHRT_MAX)
2293# else
2294# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2295# endif
27d4fb96 2296# endif
2297#endif
2298
2299#ifdef SHORT_MIN
99abf803 2300# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2301#else
2302# ifdef MINSHORT
99abf803 2303# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2304# else
ef2f54b0
CB		 2305# ifdef SHRT_MIN
2306# define PERL_SHORT_MIN ((short)SHRT_MIN)
2307# else
2308# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2309# endif
27d4fb96 2310# endif
2311#endif
2312
99abf803 2313#ifdef UINT_MAX
2314# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2315#else
99abf803 2316# ifdef MAXUINT
2317# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2318# else
99abf803 2319# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2320# endif
2321#endif
2322
99abf803 2323#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2324
2325#ifdef INT_MAX
99abf803 2326# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2327#else
2328# ifdef MAXINT /* Often used in <values.h> */
99abf803 2329# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2330# else
99abf803 2331# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2332# endif
2333#endif
2334
2335#ifdef INT_MIN
99abf803 2336# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2337#else
2338# ifdef MININT
99abf803 2339# define PERL_INT_MIN ((int)MININT)
27d4fb96 2340# else
2341# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2342# endif
2343#endif
2344
99abf803 2345#ifdef ULONG_MAX
2346# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2347#else
99abf803 2348# ifdef MAXULONG
2349# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2350# else
99abf803 2351# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2352# endif
2353#endif
2354
99abf803 2355#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2356
760ac839 2357#ifdef LONG_MAX
99abf803 2358# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2359#else
2360# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2361# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2362# else
99abf803 2363# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2364# endif
2365#endif
2366
2367#ifdef LONG_MIN
99abf803 2368# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2369#else
2370# ifdef MINLONG
99abf803 2371# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2372# else
27d4fb96 2373# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2374# endif
2375#endif
2376
d7d93a81 2377#ifdef UV_IS_QUAD
99abf803 2378
99abf803 2379# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2380# define PERL_UQUAD_MIN ((UV)0)
99abf803 2381# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2382# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2383
79072805
LW		 2384#endif
2385
830247a4 2386struct RExC_state_t;
8e11feef 2387struct _reg_trie_data;
880b20b6 2388
ee0007ab 2389typedef MEM_SIZE STRLEN;
450a55e4 2390
598921a7
NC		 2391#ifdef PERL_MAD
2392typedef struct token TOKEN;
2393typedef struct madprop MADPROP;
2394typedef struct nexttoken NEXTTOKE;
2395#endif
79072805
LW		 2396typedef struct op OP;
2397typedef struct cop COP;
2398typedef struct unop UNOP;
2399typedef struct binop BINOP;
2400typedef struct listop LISTOP;
2401typedef struct logop LOGOP;
79072805
LW		 2402typedef struct pmop PMOP;
2403typedef struct svop SVOP;
7934575e 2404typedef struct padop PADOP;
79072805 2405typedef struct pvop PVOP;
79072805
LW		 2406typedef struct loop LOOP;
2407
52db365a 2408typedef struct block_hooks BHK;
1830b3d9 2409typedef struct custom_op XOP;
52db365a 2410
cd1541b2
NC		 2411typedef struct interpreter PerlInterpreter;
2412
d2b3f365
SS		 2413/* Amdahl's <ksync.h> has struct sv */
2414/* SGI's <sys/sema.h> has struct sv */
2415#if defined(UTS) || defined(__sgi)
2416# define STRUCT_SV perl_sv
b8d3c5db
JH		 2417#else
2418# define STRUCT_SV sv
2419#endif
2420typedef struct STRUCT_SV SV;
79072805
LW		 2421typedef struct av AV;
2422typedef struct hv HV;
2423typedef struct cv CV;
d2f13c59 2424typedef struct p5rx REGEXP;
79072805 2425typedef struct gp GP;
0c30d9ec 2426typedef struct gv GV;
8990e307 2427typedef struct io IO;
c09156bb 2428typedef struct context PERL_CONTEXT;
79072805
LW		 2429typedef struct block BLOCK;
2430
2431typedef struct magic MAGIC;
2432typedef struct xpv XPV;
2433typedef struct xpviv XPVIV;
ff68c719 2434typedef struct xpvuv XPVUV;
79072805
LW		 2435typedef struct xpvnv XPVNV;
2436typedef struct xpvmg XPVMG;
2437typedef struct xpvlv XPVLV;
2438typedef struct xpvav XPVAV;
2439typedef struct xpvhv XPVHV;
2440typedef struct xpvgv XPVGV;
2441typedef struct xpvcv XPVCV;
2442typedef struct xpvbm XPVBM;
2443typedef struct xpvfm XPVFM;
8990e307 2444typedef struct xpvio XPVIO;
79072805
LW		 2445typedef struct mgvtbl MGVTBL;
2446typedef union any ANY;
5f7fde29
GS		 2447typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2448typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2449typedef struct clone_params CLONE_PARAMS;
2450
378cc40b 2451#include "handy.h"
a0d0e21e 2452
6b8eaf93 2453#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2454# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2455# define USE_64_BIT_RAWIO /* implicit */
2456# endif
4564133c
JH		 2457#endif
2458
6b8eaf93
JH		 2459/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2460 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2461 * however, because operating systems like to do that themself. */
2462#ifndef FSEEKSIZE
2463# ifdef HAS_FSEEKO
2464# define FSEEKSIZE LSEEKSIZE
2465# else
2466# define FSEEKSIZE LONGSIZE
d460ef45 2467# endif
6b8eaf93
JH		 2468#endif
2469
2470#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2471# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2472# define USE_64_BIT_STDIO /* implicit */
2473# endif
2474#endif
4564133c 2475
09458382 2476#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2477# ifdef HAS_OFF64_T
2478# undef Off_t
2479# define Off_t off64_t
2480# undef LSEEKSIZE
2481# define LSEEKSIZE 8
5ff3f7a4 2482# endif
d9b3e12d
JH		 2483/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2484 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2485 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2486# if defined(USE_OPEN64)
2487# define open open64
5ff3f7a4 2488# endif
d9b3e12d
JH		 2489# if defined(USE_LSEEK64)
2490# define lseek lseek64
6b8eaf93
JH		 2491# else
2492# if defined(USE_LLSEEK)
2493# define lseek llseek
2494# endif
d9b3e12d
JH		 2495# endif
2496# if defined(USE_STAT64)
2497# define stat stat64
2498# endif
2499# if defined(USE_FSTAT64)
2500# define fstat fstat64
2501# endif
2502# if defined(USE_LSTAT64)
2503# define lstat lstat64
2504# endif
2505# if defined(USE_FLOCK64)
2506# define flock flock64
2507# endif
2508# if defined(USE_LOCKF64)
2509# define lockf lockf64
2510# endif
2511# if defined(USE_FCNTL64)
2512# define fcntl fcntl64
2513# endif
2514# if defined(USE_TRUNCATE64)
2515# define truncate truncate64
2516# endif
2517# if defined(USE_FTRUNCATE64)
2518# define ftruncate ftruncate64
2519# endif
2520#endif
2521
2522#ifdef USE_64_BIT_STDIO
2523# ifdef HAS_FPOS64_T
2524# undef Fpos_t
2525# define Fpos_t fpos64_t
2526# endif
2527/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2528 * will trigger defines like the ones below. Some 64-bit environments,
2529 * however, do not. */
2530# if defined(USE_FOPEN64)
2531# define fopen fopen64
2532# endif
2533# if defined(USE_FSEEK64)
6b8eaf93 2534# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2535# endif
2536# if defined(USE_FTELL64)
6b8eaf93 2537# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2538# endif
2539# if defined(USE_FSETPOS64)
2540# define fsetpos fsetpos64
2541# endif
2542# if defined(USE_FGETPOS64)
2543# define fgetpos fgetpos64
2544# endif
2545# if defined(USE_TMPFILE64)
2546# define tmpfile tmpfile64
2547# endif
2548# if defined(USE_FREOPEN64)
2549# define freopen freopen64
5ff3f7a4
GS		 2550# endif
2551#endif
2552
e37778c2 2553#if defined(OS2)
2c2d71f5
JH		 2554# include "iperlsys.h"
2555#endif
2556
6f71a643 2557#if defined(__OPEN_VM)
19848b3f
JH		 2558# include "vmesa/vmesaish.h"
2559# define ISHISH "vmesa"
6f71a643
JH		 2560#endif
2561
748a9306 2562#ifdef DOSISH
19848b3f
JH		 2563# if defined(OS2)
2564# include "os2ish.h"
2565# else
2566# include "dosish.h"
2567# endif
2568# define ISHISH "dos"
2569#endif
2570
2571#if defined(VMS)
748a9306 2572# include "vmsish.h"
19848b3f
JH		 2573# define ISHISH "vms"
2574#endif
2575
2576#if defined(PLAN9)
2577# include "./plan9/plan9ish.h"
2578# define ISHISH "plan9"
2579#endif
2580
2581#if defined(MPE)
2582# include "mpeix/mpeixish.h"
2583# define ISHISH "mpeix"
2584#endif
2585
2586#if defined(__VOS__)
196918b0
PG		 2587# ifdef __GNUC__
2588# include "./vos/vosish.h"
2589# else
2590# include "vos/vosish.h"
2591# endif
19848b3f
JH		 2592# define ISHISH "vos"
2593#endif
2594
2595#if defined(EPOC)
2596# include "epocish.h"
2597# define ISHISH "epoc"
2598#endif
2599
9969cdde 2600#ifdef __SYMBIAN32__
27da23d5 2601# include "symbian/symbianish.h"
27da23d5
JH		 2602# define ISHISH "symbian"
2603#endif
2604
19848b3f 2605
df00ff3b
IW		 2606#if defined(__HAIKU__)
2607# include "haiku/haikuish.h"
2608# define ISHISH "haiku"
2609#elif defined(__BEOS__)
efca5cc6
JH		 2610# include "beos/beosish.h"
2611# define ISHISH "beos"
2612#endif
2613
19848b3f
JH		 2614#ifndef ISHISH
2615# include "unixish.h"
2616# define ISHISH "unix"
13b6e58c
JH		 2617#endif
2618
2946a158
JH		 2619/* NSIG logic from Configure --> */
2620/* Strange style to avoid deeply-nested #if/#else/#endif */
2621#ifndef NSIG
2622# ifdef _NSIG
2623# define NSIG (_NSIG)
2624# endif
2625#endif
2626
2627#ifndef NSIG
2628# ifdef SIGMAX
2629# define NSIG (SIGMAX+1)
2630# endif
2631#endif
2632
2633#ifndef NSIG
2634# ifdef SIG_MAX
2635# define NSIG (SIG_MAX+1)
2636# endif
2637#endif
2638
2639#ifndef NSIG
2640# ifdef _SIG_MAX
2641# define NSIG (_SIG_MAX+1)
2642# endif
2643#endif
2644
2645#ifndef NSIG
2646# ifdef MAXSIG
2647# define NSIG (MAXSIG+1)
2648# endif
2649#endif
2650
2651#ifndef NSIG
2652# ifdef MAX_SIG
2653# define NSIG (MAX_SIG+1)
2654# endif
2655#endif
2656
2657#ifndef NSIG
2658# ifdef SIGARRAYSIZE
2659# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2660# endif
2661#endif
2662
2663#ifndef NSIG
2664# ifdef _sys_nsig
2665# define NSIG (_sys_nsig) /* Solaris 2.5 */
2666# endif
2667#endif
2668
2669/* Default to some arbitrary number that's big enough to get most
2670 of the common signals.
2671*/
2672#ifndef NSIG
2673# define NSIG 50
2674#endif
2675/* <-- NSIG logic from Configure */
2676
13b6e58c
JH		 2677#ifndef NO_ENVIRON_ARRAY
2678# define USE_ENVIRON_ARRAY
2679#endif
32f822de 2680
c77b533b
JH		 2681/*
2682 * initialise to avoid floating-point exceptions from overflow, etc
2683 */
2684#ifndef PERL_FPU_INIT
2685# ifdef HAS_FPSETMASK
2686# if HAS_FLOATINGPOINT_H
2687# include <floatingpoint.h>
2688# endif
ad3a8c67
NC		 2689/* Some operating systems have this as a macro, which in turn expands to a comma
2690 expression, and the last sub-expression is something that gets calculated,
2691 and then they have the gall to warn that a value computed is not used. Hence
2692 cast to void. */
2693# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2694# else
2f42fcb0 2695# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2696# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2697# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2698# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2699# else
2700# define PERL_FPU_INIT
2f42fcb0 2701
7014c407 2702# endif
c77b533b
JH		 2703# endif
2704#endif
b35112e7
CS		 2705#ifndef PERL_FPU_PRE_EXEC
2706# define PERL_FPU_PRE_EXEC {
2707# define PERL_FPU_POST_EXEC }
2708#endif
c77b533b 2709
cbec8ebe
DM		 2710#ifndef PERL_SYS_INIT3_BODY
2711# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2712#endif
2713
eb533572
DM		 2714/*
2715=for apidoc Am|void|PERL_SYS_INIT|int argc|char** argv
2716Provides system-specific tune up of the C runtime environment necessary to
2717run Perl interpreters. This should be called only once, before creating
2718any Perl interpreters.
2719
2720=for apidoc Am|void|PERL_SYS_INIT3|int argc|char** argv|char** env
2721Provides system-specific tune up of the C runtime environment necessary to
2722run Perl interpreters. This should be called only once, before creating
2723any Perl interpreters.
2724
2725=for apidoc Am|void|PERL_SYS_TERM|
2726Provides system-specific clean up of the C runtime environment after
2727running Perl interpreters. This should be called only once, after
2728freeing any remaining Perl interpreters.
2729
2730=cut
2731 */
2732
cbec8ebe
DM		 2733#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2734#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2735#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2736
be708cc0
JH		 2737#ifndef PERL_WRITE_MSG_TO_CONSOLE
2738# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2739#endif
2740
0f31cffe
GS		 2741#ifndef MAXPATHLEN
2742# ifdef PATH_MAX
b990c8b2
JH		 2743# ifdef _POSIX_PATH_MAX
2744# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2745/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2746 * included the null byte or not. Later amendments of POSIX,
2747 * XPG4, the Austin Group, and the Single UNIX Specification
2748 * all explicitly include the null byte in the PATH_MAX.
2749 * Ditto for _POSIX_PATH_MAX. */
2750# define MAXPATHLEN PATH_MAX
b990c8b2 2751# else
09448d78 2752# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2753# endif
2754# else
2755# define MAXPATHLEN (PATH_MAX+1)
2756# endif
0f31cffe 2757# else
b990c8b2 2758# ifdef _POSIX_PATH_MAX
09448d78 2759# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2760# else
2761# define MAXPATHLEN 1024 /* Err on the large side. */
2762# endif
0f31cffe
GS		 2763# endif
2764#endif
2765
c80263a8
SH		 2766/* In case Configure was not used (we are using a "canned config"
2767 * such as Win32, or a cross-compilation setup, for example) try going
2768 * by the gcc major and minor versions. One useful URL is
2769 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2770 * but contrary to this information warn_unused_result seems
2771 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2772 * Also, when building extensions with an installed perl, this allows
2773 * the user to upgrade gcc and get the right attributes, rather than
2774 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2775 * Set these up now otherwise we get confused when some of the <*thread.h>
2776 * includes below indirectly pull in <perlio.h> (which needs to know if we
2777 * have HASATTRIBUTE_FORMAT).
2778 */
2779
4d7c7898 2780#ifndef PERL_MICRO
fc2007d4 2781#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2782# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2783# define HASATTRIBUTE_DEPRECATED
2784# endif
c80263a8
SH		 2785# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2786# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2787# if defined __MINGW32__
2788# define PRINTF_FORMAT_NULL_OK
2789# endif
c80263a8
SH		 2790# endif
2791# if __GNUC__ >= 3 /* 3.0 -> */
2792# define HASATTRIBUTE_MALLOC
2793# endif
2794# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2795# define HASATTRIBUTE_NONNULL
2796# endif
2797# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2798# define HASATTRIBUTE_NORETURN
2799# endif
2800# if __GNUC__ >= 3 /* gcc 3.0 -> */
2801# define HASATTRIBUTE_PURE
2802# endif
42bf5550 2803# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2804# define HASATTRIBUTE_UNUSED
2805# endif
d324fe49
AD		 2806# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2807# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2808# endif
c80263a8
SH		 2809# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2810# define HASATTRIBUTE_WARN_UNUSED_RESULT
2811# endif
2812#endif
00f254e2 2813#endif /* #ifndef PERL_MICRO */
c80263a8 2814
3db8f154 2815/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2816 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2817 * this results in many functions being undeclared which bothers C++
2818 * May make sense to have threads after "*ish.h" anyway
2819 */
2820
3db8f154 2821#if defined(USE_ITHREADS)
2986a63f
JH		 2822# ifdef NETWARE
2823# include <nw5thread.h>
2824# else
32f822de
GS		 2825# ifdef FAKE_THREADS
2826# include "fakethr.h"
2827# else
2828# ifdef WIN32
2829# include <win32thread.h>
2830# else
dd96f567
IZ		 2831# ifdef OS2
2832# include "os2thread.h"
2833# else
7f3d1cf1 2834# ifdef I_MACH_CTHREADS
bdd66968 2835# include <mach/cthreads.h>
8f1f23e8 2836# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2837# define MUTEX_INIT_CALLS_MALLOC
2838# endif
7f3d1cf1
BH		 2839typedef cthread_t perl_os_thread;
2840typedef mutex_t perl_mutex;
2841typedef condition_t perl_cond;
2842typedef void * perl_key;
2843# else /* Posix threads */
1f5ae88c
JH		 2844# ifdef I_PTHREAD
2845# include <pthread.h>
2846# endif
7f3d1cf1
BH		 2847typedef pthread_t perl_os_thread;
2848typedef pthread_mutex_t perl_mutex;
2849typedef pthread_cond_t perl_cond;
2850typedef pthread_key_t perl_key;
2851# endif /* I_MACH_CTHREADS */
dd96f567 2852# endif /* OS2 */
32f822de
GS		 2853# endif /* WIN32 */
2854# endif /* FAKE_THREADS */
2986a63f 2855#endif /* NETWARE */
3db8f154 2856#endif /* USE_ITHREADS */
c5be433b 2857
66a93824 2858#if defined(WIN32)
1feb2720 2859# include "win32.h"
c5be433b
GS		 2860#endif
2861
2986a63f
JH		 2862#ifdef NETWARE
2863# include "netware.h"
2864#endif
2865
e5218da5 2866#define STATUS_UNIX PL_statusvalue
68dc0745 2867#ifdef VMS
6b88bc9c 2868# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2869/*
2870 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2871 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2872 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2873 * be updated also.
2874 */
2875# include <stsdef.h>
2876# include <ssdef.h>
2877/* Presume this because if VMS changes it, it will require a new
2878 * set of APIs for waiting on children for binary compatibility.
2879 */
2880# define child_offset_bits (8)
2881# ifndef C_FAC_POSIX
2882# define C_FAC_POSIX 0x35A000
2883# endif
2884
2885/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2886 * platform from the existing UNIX or Native status values.
2887 */
2888
37038d91 2889# define STATUS_EXIT \
7a7fd8e0
JM		 2890 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2891 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2892
7a7fd8e0 2893
fb38d079
JM		 2894/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2895 * exit code and shifts the UNIX value over the correct number of bits to
2896 * be a child status. Usually the number of bits is 8, but that could be
2897 * platform dependent. The NATIVE status code is presumed to have either
2898 * from a child process.
7a7fd8e0
JM		 2899 */
2900
fb38d079
JM		 2901/* This is complicated. The child processes return a true native VMS
2902 status which must be saved. But there is an assumption in Perl that
2903 the UNIX child status has some relationship to errno values, so
00f254e2 2904 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2905 In order to get the string translation correct, for the error, errno
2906 must be EVMSERR, but that generates a different text message
2907 than what the test programs are expecting. So an errno value must
2908 be derived from the native status value when an error occurs.
2909 That will hide the true native status message. With this version of
2910 perl, the true native child status can always be retrieved so that
2911 is not a problem. But in this case, Pl_statusvalue and errno may
2912 have different values in them.
2913 */
7a7fd8e0 2914
fb38d079 2915# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2916 STMT_START { \
2fbb330f
JM		 2917 I32 evalue = (I32)n; \
2918 if (evalue == EVMSERR) { \
2919 PL_statusvalue_vms = vaxc$errno; \
2920 PL_statusvalue = evalue; \
7a7fd8e0 2921 } else { \
2fbb330f 2922 PL_statusvalue_vms = evalue; \
fb38d079 2923 if (evalue == -1) { \
3280af22 2924 PL_statusvalue = -1; \
7a7fd8e0
JM		 2925 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2926 } else \
fb38d079 2927 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2928 set_vaxc_errno(evalue); \
fb38d079
JM		 2929 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2930 set_errno(EVMSERR); \
2931 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2932 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2933 } \
68dc0745 2934 } STMT_END
7a7fd8e0 2935
68dc0745 2936# ifdef VMSISH_STATUS
e5218da5 2937# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2938# else
e5218da5 2939# define STATUS_CURRENT STATUS_UNIX
68dc0745 2940# endif
7a7fd8e0
JM		 2941
2942 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2943 * the NATIVE status to an equivalent value. Can not be used to translate
2944 * exit code values as exit code values are not guaranteed to have any
2945 * relationship at all to errno values.
2946 * This is used when Perl is forcing errno to have a specific value.
2947 */
e5218da5 2948# define STATUS_UNIX_SET(n) \
68dc0745 2949 STMT_START { \
7a7fd8e0 2950 I32 evalue = (I32)n; \
0968cdad 2951 PL_statusvalue = evalue; \
3280af22 2952 if (PL_statusvalue != -1) { \
0968cdad
JM		 2953 if (PL_statusvalue != EVMSERR) { \
2954 PL_statusvalue &= 0xFFFF; \
2955 if (MY_POSIX_EXIT) \
2956 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2957 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2958 } \
2959 else { \
2960 PL_statusvalue_vms = vaxc$errno; \
2961 } \
68dc0745 2962 } \
0968cdad
JM		 2963 else PL_statusvalue_vms = SS$_ABORT; \
2964 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2965 } STMT_END
2966
2967 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2968 * the NATIVE error status based on it.
2969 *
2970 * When in the default mode to comply with the Perl VMS documentation,
2971 * 0 is a success and any other code sets the NATIVE status to a failure
2972 * code of SS$_ABORT.
fb38d079
JM		 2973 *
2974 * In the new POSIX EXIT mode, native status will be set so that the
2975 * actual exit code will can be retrieved by the calling program or
2976 * shell.
2977 *
2978 * If the exit code is not clearly a UNIX parent or child exit status,
2979 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2980 */
2981
fb38d079 2982# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2983 STMT_START { \
2984 I32 evalue = (I32)n; \
2985 PL_statusvalue = evalue; \
e08e1e1d
JM		 2986 if (MY_POSIX_EXIT) { \
2987 if (evalue <= 0xFF00) { \
2988 if (evalue > 0xFF) \
2989 evalue = (evalue >> child_offset_bits) & 0xFF; \
2990 PL_statusvalue_vms = \
2991 (C_FAC_POSIX | (evalue << 3 ) | \
2992 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2993 } else /* forgive them Perl, for they have sinned */ \
2994 PL_statusvalue_vms = evalue; \
2995 } else { \
2996 if (evalue == 0) \
2997 PL_statusvalue_vms = SS$_NORMAL; \
2998 else if (evalue <= 0xFF00) \
2999 PL_statusvalue_vms = SS$_ABORT; \
3000 else { /* forgive them Perl, for they have sinned */ \
3001 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3002 else PL_statusvalue_vms = vaxc$errno; \
3003 /* And obviously used a VMS status value instead of UNIX */ \
3004 PL_statusvalue = EVMSERR; \
3005 } \
3006 set_vaxc_errno(PL_statusvalue_vms); \
3007 } \
68dc0745 3008 } STMT_END
fb38d079 3009
e08e1e1d 3010
6ac6a52b
JM		 3011 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3012 * and sets the NATIVE error status based on it. This special case
3013 * is needed to maintain compatibility with past VMS behavior.
3014 *
3015 * In the default mode on VMS, this number is passed through as
3016 * both the NATIVE and UNIX status. Which makes it different
3017 * that the STATUS_UNIX_EXIT_SET.
3018 *
3019 * In the new POSIX EXIT mode, native status will be set so that the
3020 * actual exit code will can be retrieved by the calling program or
3021 * shell.
3022 *
1a3aec58
JM		 3023 * A POSIX exit code is from 0 to 255. If the exit code is higher
3024 * than this, it needs to be assumed that it is a VMS exit code and
3025 * passed through.
6ac6a52b
JM		 3026 */
3027
3028# define STATUS_EXIT_SET(n) \
3029 STMT_START { \
3030 I32 evalue = (I32)n; \
3031 PL_statusvalue = evalue; \
3032 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3033 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3034 PL_statusvalue_vms = \
3035 (C_FAC_POSIX | (evalue << 3 ) | \
3036 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3037 else \
3038 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3039 set_vaxc_errno(PL_statusvalue_vms); \
3040 } STMT_END
3041
fb38d079
JM		 3042
3043 /* This macro forces a success status */
7a7fd8e0
JM		 3044# define STATUS_ALL_SUCCESS \
3045 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3046
3047 /* This macro forces a failure status */
7a7fd8e0
JM		 3048# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3049 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3050 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3051
68dc0745 3052#else
e5218da5 3053# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3054# if defined(WCOREDUMP)
37038d91 3055# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3056 STMT_START { \
3057 PL_statusvalue_posix = (n); \
3058 if (PL_statusvalue_posix == -1) \
3059 PL_statusvalue = -1; \
3060 else { \
3061 PL_statusvalue = \
3062 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3063 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3064 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3065 } \
3066 } STMT_END
3067# elif defined(WIFEXITED)
37038d91 3068# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3069 STMT_START { \
3070 PL_statusvalue_posix = (n); \
3071 if (PL_statusvalue_posix == -1) \
3072 PL_statusvalue = -1; \
3073 else { \
3074 PL_statusvalue = \
3075 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3076 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3077 } \
3078 } STMT_END
3079# else
37038d91 3080# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3081 STMT_START { \
3082 PL_statusvalue_posix = (n); \
3083 if (PL_statusvalue_posix == -1) \
3084 PL_statusvalue = -1; \
3085 else { \
3086 PL_statusvalue = \
3087 PL_statusvalue_posix & 0xFFFF; \
3088 } \
3089 } STMT_END
3090# endif
3091# define STATUS_UNIX_SET(n) \
68dc0745 3092 STMT_START { \
3280af22
NIS		 3093 PL_statusvalue = (n); \
3094 if (PL_statusvalue != -1) \
3095 PL_statusvalue &= 0xFFFF; \
68dc0745 3096 } STMT_END
7a7fd8e0 3097# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3098# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3099# define STATUS_CURRENT STATUS_UNIX
37038d91 3100# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3101# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3102# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3103#endif
3104
cc3604b1
GS		 3105/* flags in PL_exit_flags for nature of exit() */
3106#define PERL_EXIT_EXPECTED 0x01
31d77e54 3107#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 3108
b79b76e0 3109#ifndef PERL_CORE
a7cb1f99 3110/* format to use for version numbers in file/directory names */
273cf8d1 3111/* XXX move to Configure? */
b79b76e0
NC		 3112/* This was only ever used for the current version, and that can be done at
3113 compile time, as PERL_FS_VERSION, so should we just delete it? */
3114# ifndef PERL_FS_VER_FMT
3115# define PERL_FS_VER_FMT "%d.%d.%d"
3116# endif
3117#endif
3118
3119#ifndef PERL_FS_VERSION
3120# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3121#endif
3122
45bc9206 3123/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3124 * performance issue, so we allow people to disable it. Also, if
3125 * we are using stdio, there are broken implementations of fflush(NULL)
3126 * out there, Solaris being the most prominent.
45bc9206
GS		 3127 */
3128#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 3129# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 3130# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3131# else
3132# ifdef FFLUSH_ALL
3133# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3134# else
c5be433b 3135# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3136# endif
66fe083f 3137# endif
45bc9206
GS		 3138#endif
3139
7766f137
GS		 3140#ifndef PERL_WAIT_FOR_CHILDREN
3141# define PERL_WAIT_FOR_CHILDREN NOOP
3142#endif
3143
ba869deb 3144/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3145#ifndef PERL_SET_INTERP
3146# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3147#endif
3148
3149#ifndef PERL_GET_INTERP
3150# define PERL_GET_INTERP (PL_curinterp)
3151#endif
3152
54aff467 3153#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3154# ifdef MULTIPLICITY
ba869deb 3155# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3156# endif
ba869deb
GS		 3157# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3158#endif
3159
00f254e2 3160/*
8896765a 3161 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3162 All that is required is that the perl source does not
00f254e2
KW		 3163 use "%-p" or "%-<number>p" or "%<number>p" formats.
3164 These formats will still work in perl code.
486ec47a 3165 See comments in sv.c for further details.
8896765a 3166
8896765a 3167 Robin Barker 2005-07-14
f46d31f2 3168
00f254e2 3169 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3170*/
8896765a
RB		 3171
3172#ifndef SVf_
63ce7bf0 3173# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3174#endif
3175
8896765a 3176#ifndef SVf
104abab4 3177# define SVf "-p"
d2560b70
RB		 3178#endif
3179
014ead4b 3180#ifndef SVf32
8896765a 3181# define SVf32 SVf_(32)
014ead4b
RB		 3182#endif
3183
3184#ifndef SVf256
8896765a
RB		 3185# define SVf256 SVf_(256)
3186#endif
3187
be2597df
MHM		 3188#define SVfARG(p) ((void*)(p))
3189
20023040
FC		 3190#ifndef HEKf
3191# define HEKf "2p"
3192#endif
3193
b8fa5213
FC		 3194/* Not ideal, but we cannot easily include a number in an already-numeric
3195 * format sequence. */
3196#ifndef HEKf256
3197# define HEKf256 "3p"
3198#endif
3199
20023040
FC		 3200#define HEKfARG(p) ((void*)(p))
3201
f46d31f2 3202#ifdef PERL_CORE
486ec47a 3203/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3204# undef VDf
3205#else
3206# ifndef VDf
8896765a
RB		 3207# define VDf "vd"
3208# endif
014ead4b 3209#endif
170cd9e9
NC		 3210
3211#ifdef PERL_CORE
486ec47a 3212/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3213# undef UVf
3214#else
170cd9e9
NC		 3215# ifndef UVf
3216# define UVf UVuf
3217# endif
d2560b70
RB		 3218#endif
3219
fcdf39cf
RGS		 3220#ifdef HASATTRIBUTE_DEPRECATED
3221# define __attribute__deprecated__ __attribute__((deprecated))
3222#endif
0dbb1585
AL		 3223#ifdef HASATTRIBUTE_FORMAT
3224# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3225#endif
3226#ifdef HASATTRIBUTE_MALLOC
77785eea 3227# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3228#endif
0dbb1585 3229#ifdef HASATTRIBUTE_NONNULL
abb2c242 3230# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3231#endif
0dbb1585 3232#ifdef HASATTRIBUTE_NORETURN
abb2c242 3233# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3234#endif
0dbb1585 3235#ifdef HASATTRIBUTE_PURE
abb2c242 3236# define __attribute__pure__ __attribute__((pure))
f22be1b8 3237#endif
0dbb1585
AL		 3238#ifdef HASATTRIBUTE_UNUSED
3239# define __attribute__unused__ __attribute__((unused))
3240#endif
3241#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3242# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3243#endif
3244
0dbb1585 3245/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3246#ifndef __attribute__deprecated__
3247# define __attribute__deprecated__
3248#endif
0dbb1585
AL		 3249#ifndef __attribute__format__
3250# define __attribute__format__(x,y,z)
3251#endif
f22be1b8 3252#ifndef __attribute__malloc__
abb2c242 3253# define __attribute__malloc__
f22be1b8
JH		 3254#endif
3255#ifndef __attribute__nonnull__
abb2c242 3256# define __attribute__nonnull__(a)
f22be1b8
JH		 3257#endif
3258#ifndef __attribute__noreturn__
abb2c242 3259# define __attribute__noreturn__
f22be1b8
JH		 3260#endif
3261#ifndef __attribute__pure__
abb2c242 3262# define __attribute__pure__
f22be1b8 3263#endif
0dbb1585
AL		 3264#ifndef __attribute__unused__
3265# define __attribute__unused__
3266#endif
f22be1b8 3267#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3268# define __attribute__warn_unused_result__
3269#endif
3270
0dbb1585
AL		 3271/* For functions that are marked as __attribute__noreturn__, it's not
3272 appropriate to call return. In either case, include the lint directive.
3273 */
3274#ifdef HASATTRIBUTE_NORETURN
b37c2d43 3275# define NORETURN_FUNCTION_END /* NOTREACHED */
0dbb1585 3276#else
b37c2d43 3277# define NORETURN_FUNCTION_END /* NOTREACHED */ return 0
abb2c242
JH		 3278#endif
3279
cdfeb707
RB		 3280/* Some OS warn on NULL format to printf */
3281#ifdef PRINTF_FORMAT_NULL_OK
3282# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3283#else
00f254e2 3284# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3285#endif
3286
635aebb7 3287#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3288# define EXPECT(expr,val) __builtin_expect(expr,val)
3289#else
3290# define EXPECT(expr,val) (expr)
3291#endif
3292#define LIKELY(cond) EXPECT(cond,1)
3293#define UNLIKELY(cond) EXPECT(cond,0)
635aebb7
AL		 3294#ifdef HAS_BUILTIN_CHOOSE_EXPR
3295/* placeholder */
3296#endif
b37c2d43 3297
3fc1aec6 3298/* Some unistd.h's give a prototype for pause() even though
3299 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3300 below to be rejected by the compiler. Sigh.
3fc1aec6 3301*/
3302#ifdef HAS_PAUSE
3303#define Pause pause
3304#else
3305#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3306#endif
3307
3308#ifndef IOCPARM_LEN
3309# ifdef IOCPARM_MASK
61f1c44b 3310 /* on BSDish systems we're safe */
748a9306
LW		 3311# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3312# else
61f1c44b 3313# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3314 /* on Linux systems we're safe; except when we're not [perl #38223] */
3315# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3316# else
748a9306 3317 /* otherwise guess at what's safe */
61f1c44b
JVD		 3318# define IOCPARM_LEN(x) 256
3319# endif
748a9306 3320# endif
a0d0e21e
LW		 3321#endif
3322
1761cee5 3323#if defined(__CYGWIN__)
521e0776
GS		 3324/* USEMYBINMODE
3325 * This symbol, if defined, indicates that the program should
16fe6d59 3326 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3327 * that a file is in "binary" mode -- that is, that no translation
3328 * of bytes occurs on read or write operations.
3329 */
36894f0b 3330# define USEMYBINMODE /**/
77a40698 3331# include <io.h> /* for setmode() prototype */
16fe6d59 3332# define my_binmode(fp, iotype, mode) \
77a40698 3333 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3334#endif
3335
88d10794
JH		 3336#ifdef __CYGWIN__
3337void init_os_extras(void);
3338#endif
3339
cea2e8a9
GS		 3340#ifdef UNION_ANY_DEFINITION
3341UNION_ANY_DEFINITION;
3342#else
3343union any {
3344 void* any_ptr;
3345 I32 any_i32;
3346 IV any_iv;
c6bf6a65 3347 UV any_uv;
cea2e8a9 3348 long any_long;
9febdf04 3349 bool any_bool;
c76ac1ee 3350 void (*any_dptr) (void*);
acfe0abc 3351 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3352};
3353#endif
3354
acfe0abc 3355typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3356
3357#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3358#define FILTER_DATA(idx) \
3359 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3360#define FILTER_ISREADER(idx) \
3361 (PL_parser && PL_parser->rsfp_filters \
3362 && idx >= AvFILLp(PL_parser->rsfp_filters))
3363#define PERL_FILTER_EXISTS(i) \
3364 (PL_parser && PL_parser->rsfp_filters \
3365 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3366
c5078cac
JH		 3367#if defined(_AIX) && !defined(_AIX43)
3368#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3369/* We cannot include <crypt.h> to get the struct crypt_data
3370 * because of setkey prototype problems when threading */
3371typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3372 /* From OSF, Not needed in AIX
3373 char C[28], D[28];
3374 */
3375 char E[48];
3376 char KS[16][48];
3377 char block[66];
3378 char iobuf[16];
3379} CRYPTD;
3380#endif /* threading */
3381#endif /* AIX */
3382
e37778c2 3383#if !defined(OS2)
2c2d71f5
JH		 3384# include "iperlsys.h"
3385#endif
504f80c1 3386
9c12f1e5 3387#ifdef __LIBCATAMOUNT__
00f254e2 3388#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3389#undef HAS_GROUP
3390#define FAKE_BIT_BUCKET
3391#endif
3392
d10dc2ae
JH		 3393/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3394 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3395 * defined by Configure, despite their names being similar to the
3396 * other defines like USE_ITHREADS. Configure in fact knows nothing
3397 * about the randomised hashes. Therefore to enable/disable the hash
3398 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3399#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3400# define USE_HASH_SEED
504f80c1
JH		 3401#endif
3402
598921a7
NC		 3403/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3404 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3405 * it's not really needed.
3406 */
3407#if defined(WIN32)
3408# define YYTOKENTYPE
3409#endif
3410#include "perly.h"
3411
3412#ifdef PERL_MAD
3413struct nexttoken {
3414 YYSTYPE next_val; /* value of next token, if any */
3415 I32 next_type; /* type of next token */
3416 MADPROP *next_mad; /* everything else about that token */
3417};
3418#endif
3419
654eccd5
JD		 3420/* macros to define bit-fields in structs. */
3421#ifndef PERL_BITFIELD8
3422# define PERL_BITFIELD8 unsigned
3423#endif
3424#ifndef PERL_BITFIELD16
3425# define PERL_BITFIELD16 unsigned
3426#endif
3427#ifndef PERL_BITFIELD32
3428# define PERL_BITFIELD32 unsigned
3429#endif
3430
79072805 3431#include "sv.h"
288b8c02 3432#include "regexp.h"
378cc40b 3433#include "util.h"
8d063cd8 3434#include "form.h"
79072805 3435#include "gv.h"
dd2155a4 3436#include "pad.h"
79072805 3437#include "cv.h"
abdd5c84 3438#include "opnames.h"
79072805 3439#include "op.h"
b3ca2e83 3440#include "hv.h"
79072805
LW		 3441#include "cop.h"
3442#include "av.h"
79072805
LW		 3443#include "mg.h"
3444#include "scope.h"
4438c4b7 3445#include "warnings.h"
a0ed51b3 3446#include "utf8.h"
8d063cd8 3447
0d7d409d
DM		 3448/* these would be in doio.h if there was such a file */
3449#define my_stat() my_stat_flags(SV_GMAGIC)
3450#define my_lstat() my_lstat_flags(SV_GMAGIC)
3451
20f4945e 3452/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3453#undef _XPV_HEAD
3454#undef _XPVMG_HEAD
3455#undef _XPVCV_COMMON
7fae4e64
GS		 3456
3457typedef struct _sublex_info SUBLEXINFO;
3458struct _sublex_info {
651b5b28
NC		 3459 U8 super_state; /* lexer state to save */
3460 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3461 OP *sub_op; /* "lex_op" to use */
f06b5848
DM		 3462 char *super_bufptr; /* PL_parser->bufptr that was */
3463 char *super_bufend; /* PL_parser->bufend that was */
7fae4e64
GS		 3464};
3465
199e78b7
DM		 3466#include "parser.h"
3467
455ece5e 3468typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3469
2c2d71f5 3470struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3471struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3472
5f7fde29
GS		 3473struct ptr_tbl_ent {
3474 struct ptr_tbl_ent* next;
53c1dcc0 3475 const void* oldval;
5f7fde29 3476 void* newval;
d18c6117
GS		 3477};
3478
5f7fde29
GS		 3479struct ptr_tbl {
3480 struct ptr_tbl_ent** tbl_ary;
3481 UV tbl_max;
3482 UV tbl_items;
db93c0c4
NC		 3483 struct ptr_tbl_arena *tbl_arena;
3484 struct ptr_tbl_ent *tbl_arena_next;
3485 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3486};
3487
450a55e4 3488#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3489# define I286
3490#endif
3491
fe14fcc3
LW		 3492#if defined(htonl) && !defined(HAS_HTONL)
3493#define HAS_HTONL
ae986130 3494#endif
fe14fcc3
LW		 3495#if defined(htons) && !defined(HAS_HTONS)
3496#define HAS_HTONS
ae986130 3497#endif
fe14fcc3
LW		 3498#if defined(ntohl) && !defined(HAS_NTOHL)
3499#define HAS_NTOHL
ae986130 3500#endif
fe14fcc3
LW		 3501#if defined(ntohs) && !defined(HAS_NTOHS)
3502#define HAS_NTOHS
ae986130 3503#endif
fe14fcc3 3504#ifndef HAS_HTONL
d9d8d8de 3505#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3506#define HAS_HTONS
3507#define HAS_HTONL
3508#define HAS_NTOHS
3509#define HAS_NTOHL
a687059c
LW		 3510#define MYSWAP
3511#define htons my_swap
3512#define htonl my_htonl
3513#define ntohs my_swap
3514#define ntohl my_ntohl
3515#endif
3516#else
d9d8d8de 3517#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3518#undef HAS_HTONS
3519#undef HAS_HTONL
3520#undef HAS_NTOHS
3521#undef HAS_NTOHL
a687059c
LW		 3522#endif
3523#endif
3524
988174c1
LW		 3525/*
3526 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3527 * -DWS
3528 */
3529#if BYTEORDER != 0x1234
3530# define HAS_VTOHL
3531# define HAS_VTOHS
3532# define HAS_HTOVL
3533# define HAS_HTOVS
c67712b2 3534# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3535# define vtohl(x) ((((x)&0xFF)<<24) \
3536 +(((x)>>24)&0xFF) \
3537 +(((x)&0x0000FF00)<<8) \
3538 +(((x)&0x00FF0000)>>8) )
3539# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3540# define htovl(x) vtohl(x)
3541# define htovs(x) vtohs(x)
3542# endif
3543 /* otherwise default to functions in util.c */
2a8c3029 3544#ifndef htovs
c623ac67
GS		 3545short htovs(short n);
3546short vtohs(short n);
3547long htovl(long n);
3548long vtohl(long n);
988174c1 3549#endif
2a8c3029 3550#endif
988174c1 3551
3bb7c1b4
JH		 3552/* *MAX Plus 1. A floating point value.
3553 Hopefully expressed in a way that dodgy floating point can't mess up.
3554 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3555 is added to it
3556 May find that some broken compiler will want the value cast to I32.
3557 [after the shift, as signed >> may not be as secure as unsigned >>]
3558*/
3559#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3560#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3561/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3562 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3563 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3564*/
3565#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3566
3bb7c1b4
JH		 3567#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3568#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3569#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3570
3571/* This may look like unnecessary jumping through hoops, but converting
3572 out of range floating point values to integers *is* undefined behaviour,
3573 and it is starting to bite.
3574*/
3575#ifndef CAST_INLINE
65202027 3576#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3577#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3578#define I_V(what) (cast_iv((NV)(what)))
3579#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3580#else
3581#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3582 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3583 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3584#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3585 : ((n) < U32_MAX_P1 ? (U32) (n) \
3586 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3587#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3588 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3589 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3590#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3591 : ((n) < UV_MAX_P1 ? (UV) (n) \
3592 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3593#endif
3594
3595#define U_S(what) ((U16)U_32(what))
3596#define U_I(what) ((unsigned int)U_32(what))
3597#define U_L(what) U_32(what)
ed6116ce 3598
ed140128
AD		 3599#ifdef HAS_SIGNBIT
3600# define Perl_signbit signbit
3601#endif
3602
2d4389e4
JH		 3603/* These do not care about the fractional part, only about the range. */
3604#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3605#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3606
25da4f38
IZ		 3607/* Used with UV/IV arguments: */
3608 /* XXXX: need to speed it up */
3609#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3610#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3611
352d5a3a
LW		 3612#ifndef MAXSYSFD
3613# define MAXSYSFD 2
3614#endif
ee0007ab 3615
79072805 3616#ifndef __cplusplus
27da23d5 3617#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3618Uid_t getuid (void);
3619Uid_t geteuid (void);
3620Gid_t getgid (void);
3621Gid_t getegid (void);
79072805 3622#endif
e1caacb4 3623#endif
8d063cd8 3624
0c30d9ec 3625#ifndef Perl_debug_log
bf49b057
GS		 3626# define Perl_debug_log PerlIO_stderr()
3627#endif
3628
3629#ifndef Perl_error_log
3630# define Perl_error_log (PL_stderrgv \
6b78add2 3631 && isGV(PL_stderrgv) \
01bb7c6d 3632 && GvIOp(PL_stderrgv) \
42de951c 3633 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3634 ? IoOFP(GvIOp(PL_stderrgv)) \
3635 : PerlIO_stderr())
0c30d9ec 3636#endif
3967c732 3637
aea4f609
DM		 3638
3639#define DEBUG_p_FLAG 0x00000001 /* 1 */
3640#define DEBUG_s_FLAG 0x00000002 /* 2 */
3641#define DEBUG_l_FLAG 0x00000004 /* 4 */
3642#define DEBUG_t_FLAG 0x00000008 /* 8 */
3643#define DEBUG_o_FLAG 0x00000010 /* 16 */
3644#define DEBUG_c_FLAG 0x00000020 /* 32 */
3645#define DEBUG_P_FLAG 0x00000040 /* 64 */
3646#define DEBUG_m_FLAG 0x00000080 /* 128 */
3647#define DEBUG_f_FLAG 0x00000100 /* 256 */
3648#define DEBUG_r_FLAG 0x00000200 /* 512 */
3649#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3650#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3651/* U is reserved for Unofficial, exploratory hacking */
3652#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3653#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3654#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3655#define DEBUG_D_FLAG 0x00008000 /* 32768 */
d2c25739 3656/* 0x00010000 is unused, used to be S */
aea4f609 3657#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3658#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3659#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3660#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3661#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3662#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3663#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3664#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3665#define DEBUG_B_FLAG 0x02000000 /*33554432*/
3666#define DEBUG_MASK 0x03FEEFFF /* mask of all the standard flags */
aea4f609
DM		 3667
3668#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3669#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3670 that something was done? */
aea4f609 3671
bd16a5f0
IZ		 3672# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3673# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3674# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3675# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3676# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3677# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3678# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3679# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3680# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3681# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3682# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3683# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3684# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3685# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3686# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3687# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
bd16a5f0
IZ		 3688# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3689# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3690# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3691# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3692# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3693# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3694# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3695# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3696# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3697# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3698# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3699# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3700
3967c732 3701#ifdef DEBUGGING
aea4f609 3702
bd16a5f0
IZ		 3703# define DEBUG_p_TEST DEBUG_p_TEST_
3704# define DEBUG_s_TEST DEBUG_s_TEST_
3705# define DEBUG_l_TEST DEBUG_l_TEST_
3706# define DEBUG_t_TEST DEBUG_t_TEST_
3707# define DEBUG_o_TEST DEBUG_o_TEST_
3708# define DEBUG_c_TEST DEBUG_c_TEST_
3709# define DEBUG_P_TEST DEBUG_P_TEST_
3710# define DEBUG_m_TEST DEBUG_m_TEST_
3711# define DEBUG_f_TEST DEBUG_f_TEST_
3712# define DEBUG_r_TEST DEBUG_r_TEST_
3713# define DEBUG_x_TEST DEBUG_x_TEST_
3714# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3715# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3716# define DEBUG_H_TEST DEBUG_H_TEST_
3717# define DEBUG_X_TEST DEBUG_X_TEST_
3718# define DEBUG_D_TEST DEBUG_D_TEST_
bd16a5f0
IZ		 3719# define DEBUG_T_TEST DEBUG_T_TEST_
3720# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3721# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3722# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3723# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3724# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3725# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3726# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3727# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3728# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3729# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3730# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3731
488b0c7a
JH		 3732# define PERL_DEB(a) a
3733# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3734# define DEBUG_p(a) if (DEBUG_p_TEST) a
3735# define DEBUG_s(a) if (DEBUG_s_TEST) a
3736# define DEBUG_l(a) if (DEBUG_l_TEST) a
3737# define DEBUG_t(a) if (DEBUG_t_TEST) a
3738# define DEBUG_o(a) if (DEBUG_o_TEST) a
3739# define DEBUG_c(a) if (DEBUG_c_TEST) a
3740# define DEBUG_P(a) if (DEBUG_P_TEST) a
3741
969058bb
VK		 3742 /* Temporarily turn off memory debugging in case the a
3743 * does memory allocation, either directly or indirectly. */
acfe0abc 3744# define DEBUG_m(a) \
0b250b9e 3745 STMT_START { \
aea4f609 3746 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3747 } STMT_END
aea4f609 3748
5f80b19c
AMS		 3749# define DEBUG__(t, a) \
3750 STMT_START { \
3751 if (t) STMT_START {a;} STMT_END; \
3752 } STMT_END
3753
3754# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3755#ifndef PERL_EXT_RE_BUILD
5f80b19c 3756# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3757#else
3758# define DEBUG_r(a) STMT_START {a;} STMT_END
3759#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3760# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3761# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3762# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3763# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3764# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3765# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3766# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3767# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3768# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3769
5f80b19c
AMS		 3770# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3771# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3772# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3773# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3774# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3775# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3776# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3777# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3778
3779#else /* DEBUGGING */
3780
3781# define DEBUG_p_TEST (0)
3782# define DEBUG_s_TEST (0)
3783# define DEBUG_l_TEST (0)
3784# define DEBUG_t_TEST (0)
3785# define DEBUG_o_TEST (0)
3786# define DEBUG_c_TEST (0)
3787# define DEBUG_P_TEST (0)
3788# define DEBUG_m_TEST (0)
3789# define DEBUG_f_TEST (0)
3790# define DEBUG_r_TEST (0)
3791# define DEBUG_x_TEST (0)
3792# define DEBUG_u_TEST (0)
88d2d28a 3793# define DEBUG_U_TEST (0)
aea4f609
DM		 3794# define DEBUG_H_TEST (0)
3795# define DEBUG_X_TEST (0)
3796# define DEBUG_D_TEST (0)
aea4f609 3797# define DEBUG_T_TEST (0)
04932ac8 3798# define DEBUG_R_TEST (0)
1045810a 3799# define DEBUG_J_TEST (0)
d6721266 3800# define DEBUG_v_TEST (0)
46187eeb 3801# define DEBUG_C_TEST (0)
ecae49c0
NC		 3802# define DEBUG_A_TEST (0)
3803# define DEBUG_q_TEST (0)
d7c0d282 3804# define DEBUG_M_TEST (0)
cc8773c0 3805# define DEBUG_B_TEST (0)
7949c6f5
JC		 3806# define DEBUG_Xv_TEST (0)
3807# define DEBUG_Uv_TEST (0)
ad9e76a8 3808# define DEBUG_Pv_TEST (0)
aea4f609 3809
488b0c7a
JH		 3810# define PERL_DEB(a)
3811# define PERL_DEBUG(a)
aea4f609
DM		 3812# define DEBUG_p(a)
3813# define DEBUG_s(a)
3814# define DEBUG_l(a)
3815# define DEBUG_t(a)
3816# define DEBUG_o(a)
3817# define DEBUG_c(a)
3818# define DEBUG_P(a)
3819# define DEBUG_m(a)
3820# define DEBUG_f(a)
3821# define DEBUG_r(a)
3822# define DEBUG_x(a)
3823# define DEBUG_u(a)
88d2d28a 3824# define DEBUG_U(a)
aea4f609
DM		 3825# define DEBUG_H(a)
3826# define DEBUG_X(a)
3827# define DEBUG_D(a)
aea4f609 3828# define DEBUG_T(a)
04932ac8 3829# define DEBUG_R(a)
d6721266 3830# define DEBUG_v(a)
46187eeb 3831# define DEBUG_C(a)
ecae49c0
NC		 3832# define DEBUG_A(a)
3833# define DEBUG_q(a)
d7c0d282 3834# define DEBUG_M(a)
cc8773c0 3835# define DEBUG_B(a)
7949c6f5
JC		 3836# define DEBUG_Xv(a)
3837# define DEBUG_Uv(a)
ad9e76a8 3838# define DEBUG_Pv(a)
aea4f609
DM		 3839#endif /* DEBUGGING */
3840
3841
b4ab917c 3842#define DEBUG_SCOPE(where) \
d9f81b50 3843 DEBUG_l( \
1c98cc53
DM		 3844 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3845 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3846 __FILE__, __LINE__));
b4ab917c 3847
de84dc04
NC		 3848#if defined(DEBUGGING) && defined(I_ASSERT)
3849# include <assert.h>
3850#endif
3851
3852/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3853 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3854
de84dc04 3855#define Perl_assert(what) PERL_DEB( \
2b057284 3856 ((what) ? ((void) 0) : \
67eb4d30 3857 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3858 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3859 (void) 0)))
de84dc04
NC		 3860
3861#ifndef assert
3862# define assert(what) Perl_assert(what)
a446a88f 3863#endif
8d063cd8 3864
450a55e4 3865struct ufuncs {
24f81a43
DM		 3866 I32 (*uf_val)(pTHX_ IV, SV*);
3867 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3868 IV uf_index;
450a55e4
LW		 3869};
3870
14befaf4 3871/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3872 * XS code wanting to be backward compatible can do something
3873 * like the following:
c745e42c 3874
24f81a43 3875#ifndef PERL_MG_UFUNC
24f81a43
DM		 3876#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3877#endif
3878
3879static PERL_MG_UFUNC(foo_get, index, val)
3880{
3881 sv_setsv(val, ...);
3882 return TRUE;
3883}
3884
3885-- Doug MacEachern
3886
3887*/
3888
fc9c74e6 3889#ifndef PERL_MG_UFUNC
24f81a43 3890#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3891#endif
24f81a43 3892
fe14fcc3 3893/* Fix these up for __STDC__ */
68dc0745 3894#ifndef DONT_DECLARE_STD
20ce7b12 3895char *mktemp (char*);
37bd1396 3896#ifndef atof
20ce7b12 3897double atof (const char*);
a0d0e21e 3898#endif
37bd1396 3899#endif
79072805 3900
352d5a3a 3901#ifndef STANDARD_C
fe14fcc3 3902/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3903Time_t time();
8d063cd8 3904struct tm *gmtime(), *localtime();
092bebab 3905#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3906char *(strchr)(), *(strrchr)();
3907char *(strcpy)(), *(strcat)();
3908#else
93a17b20 3909char *strchr(), *strrchr();
378cc40b 3910char *strcpy(), *strcat();
9d116dd7 3911#endif
352d5a3a 3912#endif /* ! STANDARD_C */
8d063cd8 3913
79072805
LW		 3914
3915#ifdef I_MATH
3916# include <math.h>
3917#else
32f822de 3918START_EXTERN_C
20ce7b12
GS		 3919 double exp (double);
3920 double log (double);
3921 double log10 (double);
3922 double sqrt (double);
3923 double frexp (double,int*);
3924 double ldexp (double,int);
3925 double modf (double,double*);
3926 double sin (double);
3927 double cos (double);
3928 double atan2 (double,double);
3929 double pow (double,double);
32f822de 3930END_EXTERN_C
79072805
LW		 3931#endif
3932
aa8b85de
JH		 3933#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3934# define NV_INF LDBL_INFINITY
3935#endif
3936#if !defined(NV_INF) && defined(DBL_INFINITY)
3937# define NV_INF (NV)DBL_INFINITY
3938#endif
3939#if !defined(NV_INF) && defined(INFINITY)
3940# define NV_INF (NV)INFINITY
3941#endif
3942#if !defined(NV_INF) && defined(INF)
3943# define NV_INF (NV)INF
3944#endif
3945#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3946# define NV_INF (NV)HUGE_VALL
3947#endif
3948#if !defined(NV_INF) && defined(HUGE_VAL)
3949# define NV_INF (NV)HUGE_VAL
3950#endif
3951
3952#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3953# if !defined(NV_NAN) && defined(LDBL_NAN)
3954# define NV_NAN LDBL_NAN
3955# endif
3956# if !defined(NV_NAN) && defined(LDBL_QNAN)
3957# define NV_NAN LDBL_QNAN
3958# endif
3959# if !defined(NV_NAN) && defined(LDBL_SNAN)
3960# define NV_NAN LDBL_SNAN
3961# endif
3962#endif
3963#if !defined(NV_NAN) && defined(DBL_NAN)
3964# define NV_NAN (NV)DBL_NAN
3965#endif
3966#if !defined(NV_NAN) && defined(DBL_QNAN)
3967# define NV_NAN (NV)DBL_QNAN
3968#endif
3969#if !defined(NV_NAN) && defined(DBL_SNAN)
3970# define NV_NAN (NV)DBL_SNAN
3971#endif
3972#if !defined(NV_NAN) && defined(QNAN)
3973# define NV_NAN (NV)QNAN
3974#endif
3975#if !defined(NV_NAN) && defined(SNAN)
3976# define NV_NAN (NV)SNAN
3977#endif
3978#if !defined(NV_NAN) && defined(NAN)
3979# define NV_NAN (NV)NAN
3980#endif
3981
a0d0e21e 3982#ifndef __cplusplus
8f1f23e8 3983# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3984char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3985# else
fd8cd3a3 3986# if !defined(WIN32) && !defined(VMS)
10bc17b6 3987#ifndef crypt
20ce7b12 3988char *crypt (const char*, const char*);
10bc17b6 3989#endif
5014db98 3990# endif /* !WIN32 */
8f1f23e8 3991# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3992# ifndef DONT_DECLARE_STD
3993# ifndef getenv
20ce7b12 3994char *getenv (const char*);
26618a56 3995# endif /* !getenv */
28ca6303 3996# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3997# ifdef _FILE_OFFSET_BITS
28ca6303 3998# if _FILE_OFFSET_BITS == 64
20ce7b12 3999Off_t lseek (int,Off_t,int);
0fc67700
JH		 4000# endif
4001# endif
bf0c440f 4002# endif
26618a56 4003# endif /* !DONT_DECLARE_STD */
10bc17b6 4004#ifndef getlogin
20ce7b12 4005char *getlogin (void);
10bc17b6 4006#endif
26618a56 4007#endif /* !__cplusplus */
79072805 4008
7a7fd8e0
JM		 4009/* Fixme on VMS. This needs to be a run-time, not build time options */
4010/* Also rename() is affected by this */
16d20bd9 4011#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4012#define UNLINK unlnk
083639a9 4013I32 unlnk (pTHX_ const char*);
8d063cd8 4014#else
80252599 4015#define UNLINK PerlLIO_unlink
8d063cd8 4016#endif
a687059c 4017
fa0a29af
JH		 4018/* some versions of glibc are missing the setresuid() proto */
4019#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4020int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4021#endif
fa0a29af
JH		 4022/* some versions of glibc are missing the setresgid() proto */
4023#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4024int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4025#endif
4026
fe14fcc3 4027#ifndef HAS_SETREUID
85e6fe83
LW		 4028# ifdef HAS_SETRESUID
4029# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4030# define HAS_SETREUID
4031# endif
a687059c 4032#endif
fe14fcc3 4033#ifndef HAS_SETREGID
85e6fe83
LW		 4034# ifdef HAS_SETRESGID
4035# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4036# define HAS_SETREGID
4037# endif
a687059c 4038#endif
ee0007ab 4039
d543acb6 4040/* Sighandler_t defined in iperlsys.h */
ff68c719 4041
4042#ifdef HAS_SIGACTION
4043typedef struct sigaction Sigsave_t;
4044#else
4045typedef Sighandler_t Sigsave_t;
4046#endif
4047
ee0007ab
LW		 4048#define SCAN_DEF 0
4049#define SCAN_TR 1
4050#define SCAN_REPL 2
79072805
LW		 4051
4052#ifdef DEBUGGING
4633a7c4 4053# ifndef register
a0d0e21e
LW		 4054# define register
4055# endif
cea2e8a9 4056# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4057#else
cea2e8a9 4058# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4059#endif
4060
6cb8cb21 4061#ifdef USE_PERLIO
0934c9d9 4062EXTERN_C void PerlIO_teardown(void);
2f44961c 4063# ifdef USE_ITHREADS
6cb8cb21
RGS		 4064# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4065# define PERLIO_TERM \
4066 STMT_START { \
d0820ef1 4067 PerlIO_teardown(); \
6cb8cb21
RGS		 4068 MUTEX_DESTROY(&PL_perlio_mutex);\
4069 } STMT_END
4070# else
4071# define PERLIO_INIT
d0820ef1 4072# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4073# endif
6b29934b
NC		 4074#else
4075# define PERLIO_INIT
4076# define PERLIO_TERM
6cb8cb21
RGS		 4077#endif
4078
18f739ee 4079#ifdef MYMALLOC
772fe5b3 4080# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4081# define MALLOC_INIT \
4082 STMT_START { \
4083 PL_malloc_mutex = NULL; \
4084 MUTEX_INIT(&PL_malloc_mutex); \
4085 } STMT_END
4086# define MALLOC_TERM \
4087 STMT_START { \
4088 perl_mutex tmp = PL_malloc_mutex; \
4089 PL_malloc_mutex = NULL; \
4090 MUTEX_DESTROY(&tmp); \
4091 } STMT_END
4092# else
4093# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4094# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4095# endif
18f739ee
IZ		 4096#else
4097# define MALLOC_INIT
4098# define MALLOC_TERM
4099#endif
4100
cd1541b2 4101#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4102
4103struct perl_memory_debug_header;
cd1541b2
NC		 4104struct perl_memory_debug_header {
4105 tTHX interpreter;
4106# ifdef PERL_POISON
4107 MEM_SIZE size;
cd1541b2 4108# endif
7cb608b5
NC		 4109 struct perl_memory_debug_header *prev;
4110 struct perl_memory_debug_header *next;
cd1541b2
NC		 4111};
4112
4113# define sTHX (sizeof(struct perl_memory_debug_header) + \
4114 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4115 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4116
d8fca402
NC		 4117#else
4118# define sTHX 0
cd1541b2
NC		 4119#endif
4120
7cb608b5
NC		 4121#ifdef PERL_TRACK_MEMPOOL
4122# define INIT_TRACK_MEMPOOL(header, interp) \
4123 STMT_START { \
4124 (header).interpreter = (interp); \
4125 (header).prev = (header).next = &(header); \
4126 } STMT_END
4127# else
4128# define INIT_TRACK_MEMPOOL(header, interp)
4129#endif
4130
1cd66f7c
DD		 4131#ifdef I_MALLOCMALLOC
4132/* Needed for malloc_size(), malloc_good_size() on some systems */
4133# include <malloc/malloc.h>
4134#endif
4135
ca7c1a29
NC		 4136#ifdef MYMALLOC
4137# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4138#else
e82be400
NC		 4139# ifdef HAS_MALLOC_SIZE
4140# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4141# define Perl_safesysmalloc_size(where) \
4142 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4143# else
4144# define Perl_safesysmalloc_size(where) malloc_size(where)
4145# endif
4146# endif
4147# ifdef HAS_MALLOC_GOOD_SIZE
4148# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4149# define Perl_malloc_good_size(how_much) \
4150 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4151# else
4152# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4153# endif
4154# else
d8fca402
NC		 4155/* Having this as the identity operation makes some code simpler. */
4156# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4157# endif
ca7c1a29 4158#endif
b6d9d515 4159
16c91539
BM		 4160typedef int (*runops_proc_t)(pTHX);
4161typedef void (*share_proc_t) (pTHX_ SV *sv);
4162typedef int (*thrhook_proc_t) (pTHX);
4163typedef OP* (*PPADDR_t[]) (pTHX);
4164typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4165typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4166
8f1f23e8
W		 4167/* NeXT has problems with crt0.o globals */
4168#if defined(__DYNAMIC__) && \
6239f2da 4169 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4170# if defined(NeXT) || defined(__NeXT)
4171# include <mach-o/dyld.h>
4172# define environ (*environ_pointer)
0c30d9ec 4173EXT char *** environ_pointer;
8f1f23e8 4174# else
6239f2da 4175# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4176# include <crt_externs.h> /* for the env array */
4177# define environ (*_NSGetEnviron())
4178# endif
0c30d9ec 4179# endif
8f1f23e8
W		 4180#else
4181 /* VMS and some other platforms don't use the environ array */
13b6e58c 4182# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4183# if !defined(DONT_DECLARE_STD) || \
4184 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
4185 defined(__sgi) || \
d460ef45 4186 defined(__DGUX)
8f1f23e8 4187extern char ** environ; /* environment variables supplied via exec */
a6c40364 4188# endif
8f1f23e8
W		 4189# endif
4190#endif
79072805 4191
457c5385
NC		 4192#define PERL_PATCHLEVEL_H_IMPLICIT
4193#include "patchlevel.h"
4194#undef PERL_PATCHLEVEL_H_IMPLICIT
4195
4196#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4197 STRINGIFY(PERL_VERSION) "." \
4198 STRINGIFY(PERL_SUBVERSION)
4199
4200#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4201 STRINGIFY(PERL_API_VERSION) "." \
4202 STRINGIFY(PERL_API_SUBVERSION)
4203
73c4f7a1
GS		 4204START_EXTERN_C
4205
79072805 4206/* handy constants */
22c35a8c 4207EXTCONST char PL_warn_uninit[]
29489e7c 4208 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4209EXTCONST char PL_warn_uninit_sv[]
4210 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4211EXTCONST char PL_warn_nosemi[]
463ee0b2 4212 INIT("Semicolon seems to be missing");
22c35a8c 4213EXTCONST char PL_warn_reserved[]
463ee0b2 4214 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4215EXTCONST char PL_warn_nl[]
93a17b20 4216 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4217EXTCONST char PL_no_wrongref[]
a0d0e21e 4218 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4219/* The core no longer needs these here. If you require the string constant,
4220 please inline a copy into your own code. */
973a7615
NC		 4221EXTCONST char PL_no_symref[] __attribute__deprecated__
4222 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4223EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4224 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4225EXTCONST char PL_no_usym[]
8990e307 4226 INIT("Can't use an undefined value as %s reference");
22c35a8c 4227EXTCONST char PL_no_aelem[]
93a17b20 4228 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4229EXTCONST char PL_no_helem_sv[]
d04ff51e 4230 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4231EXTCONST char PL_no_modify[]
93a17b20 4232 INIT("Modification of a read-only value attempted");
22c35a8c 4233EXTCONST char PL_no_mem[]
93a17b20 4234 INIT("Out of memory!\n");
22c35a8c 4235EXTCONST char PL_no_security[]
463ee0b2 4236 INIT("Insecure dependency in %s%s");
22c35a8c 4237EXTCONST char PL_no_sock_func[]
93a17b20 4238 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4239EXTCONST char PL_no_dir_func[]
93a17b20 4240 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4241EXTCONST char PL_no_func[]
93a17b20 4242 INIT("The %s function is unimplemented");
22c35a8c 4243EXTCONST char PL_no_myglob[]
952306ac 4244 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4245EXTCONST char PL_no_localize_ref[]
4246 INIT("Can't localize through a reference");
27d5b266
JH		 4247EXTCONST char PL_memory_wrap[]
4248 INIT("panic: memory wrap");
93a17b20 4249
58f645e2
NC		 4250EXTCONST char PL_Yes[]
4251 INIT("1");
4252EXTCONST char PL_No[]
4253 INIT("");
4254EXTCONST char PL_hexdigit[]
4255 INIT("0123456789abcdef0123456789ABCDEF");
4256
0447859b
NC		 4257/* This is constant on most architectures, a global on OS/2 */
4258#ifndef OS2
4259EXTCONST char PL_sh_path[]
4260 INIT(SH_PATH); /* full path of shell */
4261#endif
4262
618b9757
NC		 4263#ifdef CSH
4264EXTCONST char PL_cshname[]
4265 INIT(CSH);
4266# define PL_cshlen (sizeof(CSH "") - 1)
4267#endif
4268
457c5385
NC		 4269/* These are baked at compile time into any shared perl library.
4270 In future releases this will allow us in main() to sanity test the
4271 library we're linking against. */
4272
4273EXTCONST U8 PL_revision
4274 INIT(PERL_REVISION);
4275EXTCONST U8 PL_version
4276 INIT(PERL_VERSION);
4277EXTCONST U8 PL_subversion
4278 INIT(PERL_SUBVERSION);
4279
7575fa06 4280EXTCONST char PL_uuemap[65]
80252599
GS		 4281 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4282
79072805 4283#ifdef DOINIT
9444d213 4284EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4285# ifdef PERL_MICRO
4286# include "uuudmap.h"
4287# else
4288# include "uudmap.h"
4289# endif
9444d213 4290;
efa50c51 4291EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4292# ifdef PERL_MICRO
4293# include "ubitcount.h"
4294#else
4295# include "bitcount.h"
4296# endif
efa50c51 4297;
27da23d5
JH		 4298EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4299EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4300#else
9444d213 4301EXTCONST char PL_uudmap[256];
efa50c51 4302EXTCONST char PL_bitcount[256];
27da23d5
JH		 4303EXTCONST char* const PL_sig_name[];
4304EXTCONST int PL_sig_num[];
79072805
LW		 4305#endif
4306
6d8e7a01
KW		 4307/* fast conversion and case folding tables. The folding tables complement the
4308 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4309 * folds such as outside the range or to multiple characters. */
bbce6d69 4310
79072805 4311#ifdef DOINIT
d02f4dad
KW		 4312#ifndef EBCDIC
4313
4314/* The EBCDIC fold table depends on the code page, and hence is found in
4315 * utfebcdic.h */
4316
22c35a8c 4317EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4318 0, 1, 2, 3, 4, 5, 6, 7,
4319 8, 9, 10, 11, 12, 13, 14, 15,
4320 16, 17, 18, 19, 20, 21, 22, 23,
4321 24, 25, 26, 27, 28, 29, 30, 31,
4322 32, 33, 34, 35, 36, 37, 38, 39,
4323 40, 41, 42, 43, 44, 45, 46, 47,
4324 48, 49, 50, 51, 52, 53, 54, 55,
4325 56, 57, 58, 59, 60, 61, 62, 63,
4326 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4327 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4328 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4329 'x', 'y', 'z', 91, 92, 93, 94, 95,
4330 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4331 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4332 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4333 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4334 128, 129, 130, 131, 132, 133, 134, 135,
4335 136, 137, 138, 139, 140, 141, 142, 143,
4336 144, 145, 146, 147, 148, 149, 150, 151,
4337 152, 153, 154, 155, 156, 157, 158, 159,
4338 160, 161, 162, 163, 164, 165, 166, 167,
4339 168, 169, 170, 171, 172, 173, 174, 175,
4340 176, 177, 178, 179, 180, 181, 182, 183,
4341 184, 185, 186, 187, 188, 189, 190, 191,
4342 192, 193, 194, 195, 196, 197, 198, 199,
4343 200, 201, 202, 203, 204, 205, 206, 207,
4344 208, 209, 210, 211, 212, 213, 214, 215,
4345 216, 217, 218, 219, 220, 221, 222, 223,
4346 224, 225, 226, 227, 228, 229, 230, 231,
4347 232, 233, 234, 235, 236, 237, 238, 239,
4348 240, 241, 242, 243, 244, 245, 246, 247,
4349 248, 249, 250, 251, 252, 253, 254, 255
4350};
3871f40b
KW		 4351EXTCONST unsigned char PL_fold_latin1[] = {
4352 /* Full latin1 complement folding, except for three problematic code points:
4353 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4354 * fold complements outside the Latin1 range, so can't match something
4355 * that isn't in utf8.
4356 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4357 * not one, so can't be represented in this table.
4358 *
4359 * All have to be specially handled */
4360 0, 1, 2, 3, 4, 5, 6, 7,
4361 8, 9, 10, 11, 12, 13, 14, 15,
4362 16, 17, 18, 19, 20, 21, 22, 23,
4363 24, 25, 26, 27, 28, 29, 30, 31,
4364 32, 33, 34, 35, 36, 37, 38, 39,
4365 40, 41, 42, 43, 44, 45, 46, 47,
4366 48, 49, 50, 51, 52, 53, 54, 55,
4367 56, 57, 58, 59, 60, 61, 62, 63,
4368 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4369 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4370 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4371 'x', 'y', 'z', 91, 92, 93, 94, 95,
4372 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4373 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4374 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4375 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4376 128, 129, 130, 131, 132, 133, 134, 135,
4377 136, 137, 138, 139, 140, 141, 142, 143,
4378 144, 145, 146, 147, 148, 149, 150, 151,
4379 152, 153, 154, 155, 156, 157, 158, 159,
4380 160, 161, 162, 163, 164, 165, 166, 167,
4381 168, 169, 170, 171, 172, 173, 174, 175,
4382 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4383 184, 185, 186, 187, 188, 189, 190, 191,
4384 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4385 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4386 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4387 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4388 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4389 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4390 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4391 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4392 255 /* y with diaeresis */
4393};
00f254e2
KW		 4394#endif /* !EBCDIC, but still in DOINIT */
4395
4396/* If these tables are accessed through ebcdic, the access will be converted to
4397 * latin1 first */
4398EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4399 0, 1, 2, 3, 4, 5, 6, 7,
4400 8, 9, 10, 11, 12, 13, 14, 15,
4401 16, 17, 18, 19, 20, 21, 22, 23,
4402 24, 25, 26, 27, 28, 29, 30, 31,
4403 32, 33, 34, 35, 36, 37, 38, 39,
4404 40, 41, 42, 43, 44, 45, 46, 47,
4405 48, 49, 50, 51, 52, 53, 54, 55,
4406 56, 57, 58, 59, 60, 61, 62, 63,
4407 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4408 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4409 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4410 'x', 'y', 'z', 91, 92, 93, 94, 95,
4411 96, 97, 98, 99, 100, 101, 102, 103,
4412 104, 105, 106, 107, 108, 109, 110, 111,
4413 112, 113, 114, 115, 116, 117, 118, 119,
4414 120, 121, 122, 123, 124, 125, 126, 127,
4415 128, 129, 130, 131, 132, 133, 134, 135,
4416 136, 137, 138, 139, 140, 141, 142, 143,
4417 144, 145, 146, 147, 148, 149, 150, 151,
4418 152, 153, 154, 155, 156, 157, 158, 159,
4419 160, 161, 162, 163, 164, 165, 166, 167,
4420 168, 169, 170, 171, 172, 173, 174, 175,
4421 176, 177, 178, 179, 180, 181, 182, 183,
4422 184, 185, 186, 187, 188, 189, 190, 191,
4423 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4424 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4425 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4426 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4427 224, 225, 226, 227, 228, 229, 230, 231,
4428 232, 233, 234, 235, 236, 237, 238, 239,
4429 240, 241, 242, 243, 244, 245, 246, 247,
4430 248, 249, 250, 251, 252, 253, 254, 255
4431};
4432
4433/* upper and title case of latin1 characters, modified so that the three tricky
4434 * ones are mapped to 255 (which is one of the three) */
4435EXTCONST unsigned char PL_mod_latin1_uc[] = {
4436 0, 1, 2, 3, 4, 5, 6, 7,
4437 8, 9, 10, 11, 12, 13, 14, 15,
4438 16, 17, 18, 19, 20, 21, 22, 23,
4439 24, 25, 26, 27, 28, 29, 30, 31,
4440 32, 33, 34, 35, 36, 37, 38, 39,
4441 40, 41, 42, 43, 44, 45, 46, 47,
4442 48, 49, 50, 51, 52, 53, 54, 55,
4443 56, 57, 58, 59, 60, 61, 62, 63,
4444 64, 65, 66, 67, 68, 69, 70, 71,
4445 72, 73, 74, 75, 76, 77, 78, 79,
4446 80, 81, 82, 83, 84, 85, 86, 87,
4447 88, 89, 90, 91, 92, 93, 94, 95,
4448 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4449 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4450 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4451 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4452 128, 129, 130, 131, 132, 133, 134, 135,
4453 136, 137, 138, 139, 140, 141, 142, 143,
4454 144, 145, 146, 147, 148, 149, 150, 151,
4455 152, 153, 154, 155, 156, 157, 158, 159,
4456 160, 161, 162, 163, 164, 165, 166, 167,
4457 168, 169, 170, 171, 172, 173, 174, 175,
4458 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4459 184, 185, 186, 187, 188, 189, 190, 191,
4460 192, 193, 194, 195, 196, 197, 198, 199,
4461 200, 201, 202, 203, 204, 205, 206, 207,
4462 208, 209, 210, 211, 212, 213, 214, 215,
4463 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4464 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4465 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4466 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4467 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4468};
4469#else /* ! DOINIT */
22c35a8c 4470EXTCONST unsigned char PL_fold[];
3871f40b 4471EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4472EXTCONST unsigned char PL_mod_latin1_uc[];
4473EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4474#endif
4475
27da23d5 4476#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4477#ifdef DOINIT
27da23d5 4478EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4479 0, 1, 2, 3, 4, 5, 6, 7,
4480 8, 9, 10, 11, 12, 13, 14, 15,
4481 16, 17, 18, 19, 20, 21, 22, 23,
4482 24, 25, 26, 27, 28, 29, 30, 31,
4483 32, 33, 34, 35, 36, 37, 38, 39,
4484 40, 41, 42, 43, 44, 45, 46, 47,
4485 48, 49, 50, 51, 52, 53, 54, 55,
4486 56, 57, 58, 59, 60, 61, 62, 63,
4487 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4488 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4489 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4490 'x', 'y', 'z', 91, 92, 93, 94, 95,
4491 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4492 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4493 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4494 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4495 128, 129, 130, 131, 132, 133, 134, 135,
4496 136, 137, 138, 139, 140, 141, 142, 143,
4497 144, 145, 146, 147, 148, 149, 150, 151,
4498 152, 153, 154, 155, 156, 157, 158, 159,
4499 160, 161, 162, 163, 164, 165, 166, 167,
4500 168, 169, 170, 171, 172, 173, 174, 175,
4501 176, 177, 178, 179, 180, 181, 182, 183,
4502 184, 185, 186, 187, 188, 189, 190, 191,
4503 192, 193, 194, 195, 196, 197, 198, 199,
4504 200, 201, 202, 203, 204, 205, 206, 207,
4505 208, 209, 210, 211, 212, 213, 214, 215,
4506 216, 217, 218, 219, 220, 221, 222, 223,
4507 224, 225, 226, 227, 228, 229, 230, 231,
4508 232, 233, 234, 235, 236, 237, 238, 239,
4509 240, 241, 242, 243, 244, 245, 246, 247,
4510 248, 249, 250, 251, 252, 253, 254, 255
4511};
4512#else
27da23d5 4513EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4514#endif
27da23d5 4515#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4516
4517#ifdef DOINIT
9d116dd7 4518#ifdef EBCDIC
27da23d5 4519EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4520 1, 2, 84, 151, 154, 155, 156, 157,
4521 165, 246, 250, 3, 158, 7, 18, 29,
4522 40, 51, 62, 73, 85, 96, 107, 118,
4523 129, 140, 147, 148, 149, 150, 152, 153,
4524 255, 6, 8, 9, 10, 11, 12, 13,
4525 14, 15, 24, 25, 26, 27, 28, 226,
4526 29, 30, 31, 32, 33, 43, 44, 45,
4527 46, 47, 48, 49, 50, 76, 77, 78,
4528 79, 80, 81, 82, 83, 84, 85, 86,
4529 87, 94, 95, 234, 181, 233, 187, 190,
4530 180, 96, 97, 98, 99, 100, 101, 102,
4531 104, 112, 182, 174, 236, 232, 229, 103,
4532 228, 226, 114, 115, 116, 117, 118, 119,
4533 120, 121, 122, 235, 176, 230, 194, 162,
4534 130, 131, 132, 133, 134, 135, 136, 137,
4535 138, 139, 201, 205, 163, 217, 220, 224,
4536 5, 248, 227, 244, 242, 255, 241, 231,
4537 240, 253, 16, 197, 19, 20, 21, 187,
4538 23, 169, 210, 245, 237, 249, 247, 239,
4539 168, 252, 34, 196, 36, 37, 38, 39,
4540 41, 42, 251, 254, 238, 223, 221, 213,
4541 225, 177, 52, 53, 54, 55, 56, 57,
4542 58, 59, 60, 61, 63, 64, 65, 66,
4543 67, 68, 69, 70, 71, 72, 74, 75,
4544 205, 208, 186, 202, 200, 218, 198, 179,
4545 178, 214, 88, 89, 90, 91, 92, 93,
4546 217, 166, 170, 207, 199, 209, 206, 204,
4547 160, 212, 105, 106, 108, 109, 110, 111,
4548 203, 113, 216, 215, 192, 175, 193, 243,
4549 172, 161, 123, 124, 125, 126, 127, 128,
4550 222, 219, 211, 195, 188, 193, 185, 184,
4551 191, 183, 141, 142, 143, 144, 145, 146
4552};
4553#else /* ascii rather than ebcdic */
22c35a8c 4554EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4555 1, 2, 84, 151, 154, 155, 156, 157,
4556 165, 246, 250, 3, 158, 7, 18, 29,
4557 40, 51, 62, 73, 85, 96, 107, 118,
4558 129, 140, 147, 148, 149, 150, 152, 153,
4559 255, 182, 224, 205, 174, 176, 180, 217,
4560 233, 232, 236, 187, 235, 228, 234, 226,
4561 222, 219, 211, 195, 188, 193, 185, 184,
4562 191, 183, 201, 229, 181, 220, 194, 162,
4563 163, 208, 186, 202, 200, 218, 198, 179,
4564 178, 214, 166, 170, 207, 199, 209, 206,
4565 204, 160, 212, 216, 215, 192, 175, 173,
4566 243, 172, 161, 190, 203, 189, 164, 230,
4567 167, 248, 227, 244, 242, 255, 241, 231,
4568 240, 253, 169, 210, 245, 237, 249, 247,
4569 239, 168, 252, 251, 254, 238, 223, 221,
4570 213, 225, 177, 197, 171, 196, 159, 4,
4571 5, 6, 8, 9, 10, 11, 12, 13,
4572 14, 15, 16, 17, 19, 20, 21, 22,
4573 23, 24, 25, 26, 27, 28, 30, 31,
4574 32, 33, 34, 35, 36, 37, 38, 39,
4575 41, 42, 43, 44, 45, 46, 47, 48,
4576 49, 50, 52, 53, 54, 55, 56, 57,
4577 58, 59, 60, 61, 63, 64, 65, 66,
4578 67, 68, 69, 70, 71, 72, 74, 75,
4579 76, 77, 78, 79, 80, 81, 82, 83,
4580 86, 87, 88, 89, 90, 91, 92, 93,
4581 94, 95, 97, 98, 99, 100, 101, 102,
4582 103, 104, 105, 106, 108, 109, 110, 111,
4583 112, 113, 114, 115, 116, 117, 119, 120,
4584 121, 122, 123, 124, 125, 126, 127, 128,
4585 130, 131, 132, 133, 134, 135, 136, 137,
4586 138, 139, 141, 142, 143, 144, 145, 146
4587};
9d116dd7 4588#endif
79072805 4589#else
22c35a8c 4590EXTCONST unsigned char PL_freq[];
79072805
LW		 4591#endif
4592
8990e307
LW		 4593#ifdef DEBUGGING
4594#ifdef DOINIT
27da23d5 4595EXTCONST char* const PL_block_type[] = {
8990e307 4596 "NULL",
d01136d6 4597 "WHEN",
8990e307 4598 "BLOCK",
0d863452 4599 "GIVEN",
d01136d6
BS		 4600 "LOOP_FOR",
4601 "LOOP_PLAIN",
4602 "LOOP_LAZYSV",
4603 "LOOP_LAZYIV",
76753e7f
NC		 4604 "SUB",
4605 "FORMAT",
4606 "EVAL",
4607 "SUBST"
8990e307
LW		 4608};
4609#else
22c35a8c 4610EXTCONST char* PL_block_type[];
8990e307
LW		 4611#endif
4612#endif
4613
b75885fd
NC		 4614/* These are all the compile time options that affect binary compatibility.
4615 Other compile time options that are binary compatible are in perl.c
4616 Both are combined for the output of perl -V
4617 However, this string will be embedded in any shared perl library, which will
4618 allow us add a comparison check in perlmain.c in the near future. */
4619#ifdef DOINIT
4620EXTCONST char PL_bincompat_options[] =
4621# ifdef DEBUG_LEAKING_SCALARS
4622 " DEBUG_LEAKING_SCALARS"
4623# endif
4624# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4625 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4626# endif
4627# ifdef FAKE_THREADS
4628 " FAKE_THREADS"
4629# endif
eba804b9
NC		 4630# ifdef FCRYPT
4631 " FCRYPT"
4632# endif
4633# ifdef HAS_TIMES
4634 " HAS_TIMES"
4635# endif
4636# ifdef HAVE_INTERP_INTERN
426f6eb2 4637 " HAVE_INTERP_INTERN"
eba804b9 4638# endif
b75885fd
NC		 4639# ifdef MULTIPLICITY
4640 " MULTIPLICITY"
4641# endif
4642# ifdef MYMALLOC
4643 " MYMALLOC"
4644# endif
eba804b9
NC		 4645# ifdef PERLIO_LAYERS
4646 " PERLIO_LAYERS"
4647# endif
b75885fd
NC		 4648# ifdef PERL_DEBUG_READONLY_OPS
4649 " PERL_DEBUG_READONLY_OPS"
4650# endif
4651# ifdef PERL_GLOBAL_STRUCT
4652 " PERL_GLOBAL_STRUCT"
4653# endif
4654# ifdef PERL_IMPLICIT_CONTEXT
4655 " PERL_IMPLICIT_CONTEXT"
4656# endif
4657# ifdef PERL_IMPLICIT_SYS
4658 " PERL_IMPLICIT_SYS"
4659# endif
4660# ifdef PERL_MAD
4661 " PERL_MAD"
4662# endif
eba804b9
NC		 4663# ifdef PERL_MICRO
4664 " PERL_MICRO"
4665# endif
b75885fd
NC		 4666# ifdef PERL_NEED_APPCTX
4667 " PERL_NEED_APPCTX"
4668# endif
4669# ifdef PERL_NEED_TIMESBASE
4670 " PERL_NEED_TIMESBASE"
4671# endif
4672# ifdef PERL_OLD_COPY_ON_WRITE
4673 " PERL_OLD_COPY_ON_WRITE"
4674# endif
4675# ifdef PERL_POISON
4676 " PERL_POISON"
4677# endif
4678# ifdef PERL_TRACK_MEMPOOL
4679 " PERL_TRACK_MEMPOOL"
4680# endif
4681# ifdef PERL_USES_PL_PIDSTATUS
4682 " PERL_USES_PL_PIDSTATUS"
4683# endif
4684# ifdef PL_OP_SLAB_ALLOC
4685 " PL_OP_SLAB_ALLOC"
4686# endif
4687# ifdef THREADS_HAVE_PIDS
4688 " THREADS_HAVE_PIDS"
4689# endif
4690# ifdef USE_64_BIT_ALL
4691 " USE_64_BIT_ALL"
4692# endif
4693# ifdef USE_64_BIT_INT
4694 " USE_64_BIT_INT"
4695# endif
c7b392fa
NC		 4696# ifdef USE_IEEE
4697 " USE_IEEE"
4698# endif
b75885fd
NC		 4699# ifdef USE_ITHREADS
4700 " USE_ITHREADS"
4701# endif
4702# ifdef USE_LARGE_FILES
4703 " USE_LARGE_FILES"
4704# endif
eba804b9
NC		 4705# ifdef USE_LOCALE_COLLATE
4706 " USE_LOCALE_COLLATE"
4707# endif
4708# ifdef USE_LOCALE_NUMERIC
4709 " USE_LOCALE_NUMERIC"
4710# endif
b75885fd
NC		 4711# ifdef USE_LONG_DOUBLE
4712 " USE_LONG_DOUBLE"
4713# endif
4714# ifdef USE_PERLIO
4715 " USE_PERLIO"
4716# endif
4717# ifdef USE_REENTRANT_API
4718 " USE_REENTRANT_API"
4719# endif
4720# ifdef USE_SFIO
4721 " USE_SFIO"
4722# endif
4723# ifdef USE_SOCKS
4724 " USE_SOCKS"
4725# endif
4f575702
CB		 4726# ifdef VMS_DO_SOCKETS
4727 " VMS_DO_SOCKETS"
4f575702 4728# endif
e8b231c6
CB		 4729# ifdef VMS_SHORTEN_LONG_SYMBOLS
4730 " VMS_SHORTEN_LONG_SYMBOLS"
4731# endif
ad5e438d
NC		 4732# ifdef VMS_WE_ARE_CASE_SENSITIVE
4733 " VMS_SYMBOL_CASE_AS_IS"
4734# endif
a68dd89e 4735 "";
b75885fd
NC		 4736#else
4737EXTCONST char PL_bincompat_options[];
4738#endif
4739
ca7b837b
SM		 4740#ifndef PERL_SET_PHASE
4741# define PERL_SET_PHASE(new_phase) \
cb3f8189 4742 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4743 PL_phase = new_phase;
4744#endif
4745
9ebf26ad
FR		 4746/* The interpreter phases. If these ever change, PL_phase_names right below will
4747 * need to be updated accordingly. */
4748enum perl_phase {
4749 PERL_PHASE_CONSTRUCT = 0,
4750 PERL_PHASE_START = 1,
4751 PERL_PHASE_CHECK = 2,
4752 PERL_PHASE_INIT = 3,
4753 PERL_PHASE_RUN = 4,
4754 PERL_PHASE_END = 5,
4755 PERL_PHASE_DESTRUCT = 6
4756};
4757
4758#ifdef DOINIT
4759EXTCONST char *const PL_phase_names[] = {
4760 "CONSTRUCT",
4761 "START",
4762 "CHECK",
4763 "INIT",
4764 "RUN",
4765 "END",
4766 "DESTRUCT"
4767};
4768#else
4769EXTCONST char *const PL_phase_names[];
4770#endif
4771
627364f1
FR		 4772#ifndef PERL_CORE
4773/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4774 * instead of using the newer PL_phase, which provides everything PL_dirty
4775 * provided, and more. */
4776# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
4777#endif /* !PERL_CORE */
4778
73c4f7a1
GS		 4779END_EXTERN_C
4780
79072805
LW		 4781/*****************************************************************************/
4782/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4783/*****************************************************************************/
8990e307 4784/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4785
d4c3c482 4786#ifdef __Lynx__
9cffb111
OS		 4787/* LynxOS defines these in scsi.h which is included via ioctl.h */
4788#ifdef FORMAT
4789#undef FORMAT
4790#endif
4791#ifdef SPACE
4792#undef SPACE
4793#endif
d4c3c482 4794#endif
9cffb111 4795
fb73857a 4796#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4797
79072805
LW		 4798typedef enum {
4799 XOPERATOR,
4800 XTERM,
79072805 4801 XREF,
8990e307 4802 XSTATE,
a0d0e21e 4803 XBLOCK,
09bef843
SB		 4804 XATTRBLOCK,
4805 XATTRTERM,
6f33ba73
RGS		 4806 XTERMBLOCK,
4807 XTERMORDORDOR /* evil hack */
27308ded 4808 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4809} expectation;
4810
d5ec2987
NC		 4811/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4812 special and there is no need for HINT_PRIVATE_MASK for COPs
4813 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4814#define HINT_INTEGER 0x00000001 /* integer pragma */
4815#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4816#define HINT_LOCALE 0x00000004 /* locale pragma */
4817#define HINT_BYTES 0x00000008 /* bytes pragma */
a0ed51b3 4818 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4819 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4820
4821#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4822#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4823#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4824#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4825
9cfe5470 4826/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4827#define HINT_NEW_INTEGER 0x00001000
4828#define HINT_NEW_FLOAT 0x00002000
4829#define HINT_NEW_BINARY 0x00004000
4830#define HINT_NEW_STRING 0x00008000
4831#define HINT_NEW_RE 0x00010000
4832#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4833#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4834#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4835
9cfe5470
RGS		 4836#define HINT_RE_TAINT 0x00100000 /* re pragma */
4837#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4838
9cfe5470
RGS		 4839#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4840#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4841
e46c382e
YK		 4842#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4843
1e215989
FC		 4844#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4845
0239f47c 4846/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4847#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4848#define HINT_SORT_QUICKSORT 0x00000001
4849#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4850#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4851
8bfdd7d9 4852/* Various states of the input record separator SV (rs) */
d4cce5f1 4853#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4854#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4855#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4856#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4857
128e8167 4858/* A struct for keeping various DEBUGGING related stuff,
ce333219 4859 * neatly packed. Currently only scratch variables for
128e8167
JH		 4860 * constructing debug output are included. Needed always,
4861 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4862struct perl_debug_pad {
4863 SV pad[3];
4864};
4865
4866#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4867#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4868 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4869 PERL_DEBUG_PAD(i))
ce333219 4870
56953603 4871/* Enable variables which are pointers to functions */
16c91539
BM		 4872typedef void (*peep_t)(pTHX_ OP* o);
4873typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4874typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4875 char* strend, char* strbeg, I32 minend,
4876 SV* screamer, void* data, U32 flags);
16c91539 4877typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4878 char *strpos, char *strend,
4879 U32 flags,
9f61653a 4880 re_scream_pos_data *d);
16c91539
BM		 4881typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4882typedef void (*regfree_t) (pTHX_ struct regexp* r);
4883typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4884typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4885
c76ac1ee 4886typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4887typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4888typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4889typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4890typedef void (*XSINIT_t) (pTHX);
4891typedef void (*ATEXIT_t) (pTHX_ void*);
4892typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4893
16c91539
BM		 4894typedef OP* (*Perl_ppaddr_t)(pTHX);
4895typedef OP* (*Perl_check_t) (pTHX_ OP*);
4896typedef void(*Perl_ophook_t)(pTHX_ OP*);
4897typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4898typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4899
d67594ff
FC		 4900typedef void(*globhook_t)(pTHX);
4901
88e1f1a2
JV		 4902#define KEYWORD_PLUGIN_DECLINE 0
4903#define KEYWORD_PLUGIN_STMT 1
4904#define KEYWORD_PLUGIN_EXPR 2
22239a37 4905
58a50f62
GS		 4906/* Interpreter exitlist entry */
4907typedef struct exitlistentry {
acfe0abc 4908 void (*fn) (pTHX_ void*);
58a50f62
GS		 4909 void *ptr;
4910} PerlExitListEntry;
4911
aadb217d
JH		 4912/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4913/* These have to be before perlvars.h */
4914#if !defined(HAS_SIGACTION) && defined(VMS)
4915# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4916#endif
4917/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4918#if defined(KILL_BY_SIGPRC)
4919# define FAKE_DEFAULT_SIGNAL_HANDLERS
4920#endif
4921
8c1cc017
NC		 4922#if !defined(MULTIPLICITY)
4923
4924struct interpreter {
4925 char broiled;
22239a37
NIS		 4926};
4927
8c1cc017 4928#else
22239a37 4929
d460ef45 4930/* If we have multiple interpreters define a struct
d4cce5f1 4931 holding variables which must be per-interpreter
d460ef45 4932 If we don't have threads anything that would have
d4cce5f1
NIS		 4933 be per-thread is per-interpreter.
4934*/
4935
8c1cc017 4936/* Set up PERLVAR macros for populating structs */
115ff745
NC		 4937# define PERLVAR(prefix,var,type) type prefix##var;
4938# define PERLVARA(prefix,var,n,type) type prefix##var[n];
4939# define PERLVARI(prefix,var,type,init) type prefix##var;
4940# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4941
79072805 4942struct interpreter {
7766f137 4943# include "intrpvar.h"
49f531da 4944};
d4cce5f1 4945
724cf8d6
NC		 4946EXTCONST U16 PL_interp_size
4947 INIT(sizeof(struct interpreter));
4948
4949# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4950 STRUCT_OFFSET(struct interpreter, member) + \
4951 sizeof(((struct interpreter*)0)->member)
4952
4953/* This will be useful for subsequent releases, because this has to be the
4954 same in your libperl as in main(), else you have a mismatch and must abort.
4955*/
4956EXTCONST U16 PL_interp_size_5_16_0
4957 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_16_0_INTERP_MEMBER));
4958
4959
8c1cc017
NC		 4960# ifdef PERL_GLOBAL_STRUCT
4961/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4962 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4963
4964struct perl_vars {
4965# include "perlvars.h"
49f531da 4966};
8c1cc017 4967
724cf8d6
NC		 4968EXTCONST U16 PL_global_struct_size
4969 INIT(sizeof(struct perl_vars));
4970
8c1cc017
NC		 4971# ifdef PERL_CORE
4972# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4973EXT struct perl_vars PL_Vars;
4974EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4975# undef PERL_GET_VARS
4976# define PERL_GET_VARS() PL_VarsPtr
4977# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4978# else /* PERL_CORE */
4979# if !defined(__GNUC__) || !defined(WIN32)
4980EXT
4981# endif /* WIN32 */
4982struct perl_vars *PL_VarsPtr;
4983# define PL_Vars (*((PL_VarsPtr) \
4984 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4985# endif /* PERL_CORE */
4986# endif /* PERL_GLOBAL_STRUCT */
79072805 4987
22239a37 4988/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4989# undef PERLVAR
4990# undef PERLVARA
4991# undef PERLVARI
4992# undef PERLVARIC
8c1cc017
NC		 4993
4994#endif /* MULTIPLICITY */
79072805 4995
f7fe979e 4996struct tempsym; /* defined in pp_pack.c */
49704364 4997
22239a37 4998#include "thread.h"
79072805 4999#include "pp.h"
864dbfa3
GS		 5000
5001#ifndef PERL_CALLCONV
a0c21aa1
JH		 5002# ifdef __cplusplus
5003# define PERL_CALLCONV extern "C"
5004# else
5005# define PERL_CALLCONV
5006# endif
d460ef45 5007#endif
0cb96387
GS		 5008#undef PERL_CKDEF
5009#undef PERL_PPDEF
0159f81b
JH		 5010#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5011#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5012
158cfab6
JD		 5013#ifdef MYMALLOC
5014# include "malloc_ctl.h"
5015#endif
5016
7766f137 5017#include "proto.h"
864dbfa3 5018
0cb96387 5019/* this has structure inits, so it cannot be included before here */
acfe0abc 5020#include "opcode.h"
864dbfa3 5021
d4cce5f1
NIS		 5022/* The following must follow proto.h as #defines mess up syntax */
5023
22c35a8c
GS		 5024#if !defined(PERL_FOR_X2P)
5025# include "embedvar.h"
5026#endif
598921a7
NC		 5027#ifndef PERL_MAD
5028# undef PL_madskills
5029# undef PL_xmlfp
5030# define PL_madskills 0
5031# define PL_xmlfp 0
5032#endif
d4cce5f1 5033
d460ef45 5034/* Now include all the 'global' variables
d4cce5f1 5035 * If we don't have threads or multiple interpreters
d460ef45 5036 * these include variables that would have been their struct-s
d4cce5f1 5037 */
d460ef45 5038
115ff745
NC		 5039#define PERLVAR(prefix,var,type) EXT type PL_##var;
5040#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5041#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5042#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5043
acfe0abc 5044#if !defined(MULTIPLICITY)
7766f137 5045START_EXTERN_C
066ef5b5 5046# include "intrpvar.h"
7766f137 5047END_EXTERN_C
22239a37
NIS		 5048#endif
5049
24792b8d
NC		 5050#ifdef PERL_CORE
5051/* All core uses now exterminated. Ensure no zombies can return: */
5052# undef PL_na
5053#endif
5054
f9293c5b
NC		 5055/* Now all the config stuff is setup we can include embed.h
5056 In particular, need the relevant *ish file included already, as it may
5057 define HAVE_INTERP_INTERN */
5058#include "embed.h"
5059#ifndef PERL_MAD
5060# undef op_getmad
5061# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 5062#endif
22239a37 5063
c5be433b
GS		 5064#ifndef PERL_GLOBAL_STRUCT
5065START_EXTERN_C
5066
5067# include "perlvars.h"
5068
5069END_EXTERN_C
5070#endif
5071
d4cce5f1 5072#undef PERLVAR
51371543 5073#undef PERLVARA
d4cce5f1 5074#undef PERLVARI
0f3f18a6 5075#undef PERLVARIC
79072805 5076
73c4f7a1
GS		 5077START_EXTERN_C
5078
af2f0da9
NC		 5079/* dummy variables that hold pointers to both runops functions, thus forcing
5080 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5081
5082EXTCONST runops_proc_t PL_runops_std
5083 INIT(Perl_runops_standard);
5084EXTCONST runops_proc_t PL_runops_dbg
5085 INIT(Perl_runops_debug);
5086
bc028b6b
JH		 5087/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5088 * magic vtables const, but this is incompatible with SWIG which
5089 * does want to modify the vtables. */
5090#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5091# define EXT_MGVTBL EXTCONST MGVTBL
5092#else
5093# define EXT_MGVTBL EXT MGVTBL
5094#endif
5095
82ff486e 5096#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5097#define PERL_MAGIC_VALUE_MAGIC 0x80
5098#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5099#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5100 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5101#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5102 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5103
8b09643d 5104#include "mg_vtable.h"
6f83ef0e
NC		 5105
5106#ifdef DOINIT
5107EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5108# ifdef PERL_MICRO
5109# include "umg_data.h"
5110# else
5111# include "mg_data.h"
5112# endif
6f83ef0e
NC		 5113;
5114#else
5115EXTCONST U8 PL_magic_data[256];
5116#endif
5117
f1fb8741
DM		 5118#ifdef DOINIT
5119 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5120EXTCONST bool
5121PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5122EXTCONST bool
5123PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5124EXTCONST bool
5125PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1 };
5126EXTCONST bool
5127PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5128EXTCONST bool
5129PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5130EXTCONST bool
5131PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5132
5133#else
5134
5135EXTCONST bool PL_valid_types_IVX[];
5136EXTCONST bool PL_valid_types_NVX[];
5137EXTCONST bool PL_valid_types_PVX[];
5138EXTCONST bool PL_valid_types_RV[];
5139EXTCONST bool PL_valid_types_IV_set[];
5140EXTCONST bool PL_valid_types_NV_set[];
5141
5142#endif
5143
5144
bab3dc31 5145#include "overload.h"
a0d0e21e 5146
73c4f7a1
GS		 5147END_EXTERN_C
5148
a6006777 5149struct am_table {
8978b4ac
NC		 5150 U8 flags;
5151 U8 fallback;
5152 U16 spare;
eb160463 5153 U32 was_ok_sub;
a0d0e21e 5154 long was_ok_am;
9bd87817 5155 CV* table[NofAMmeth];
a0d0e21e 5156};
a6006777 5157struct am_table_short {
8978b4ac
NC		 5158 U8 flags;
5159 U8 fallback;
5160 U16 spare;
eb160463 5161 U32 was_ok_sub;
a6006777 5162 long was_ok_am;
a6006777 5163};
a0d0e21e 5164typedef struct am_table AMT;
a6006777 5165typedef struct am_table_short AMTS;
a0d0e21e
LW		 5166
5167#define AMGfallNEVER 1
5168#define AMGfallNO 2
5169#define AMGfallYES 3
5170
a6006777 5171#define AMTf_AMAGIC 1
32251b26 5172#define AMTf_OVERLOADED 2
a6006777 5173#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5174#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5175#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 5176#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
5177#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
5178#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 5179
32251b26 5180#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5181
5182/*
5183 * some compilers like to redefine cos et alia as faster
5184 * (and less accurate?) versions called F_cos et cetera (Quidquid
5185 * latine dictum sit, altum viditur.) This trick collides with
5186 * the Perl overloading (amg). The following #defines fool both.
5187 */
5188
5189#ifdef _FASTMATH
5190# ifdef atan2
5191# define F_atan2_amg atan2_amg
5192# endif
5193# ifdef cos
5194# define F_cos_amg cos_amg
5195# endif
5196# ifdef exp
5197# define F_exp_amg exp_amg
5198# endif
5199# ifdef log
5200# define F_log_amg log_amg
5201# endif
5202# ifdef pow
5203# define F_pow_amg pow_amg
5204# endif
5205# ifdef sin
5206# define F_sin_amg sin_amg
5207# endif
5208# ifdef sqrt
5209# define F_sqrt_amg sqrt_amg
5210# endif
5211#endif /* _FASTMATH */
5212
83ee9e09
GS		 5213#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5214 PERLDBf_NOOPT | PERLDBf_INTER | \
5215 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5216 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5217 PERLDBf_SAVESRC)
925cfbb8 5218 /* No _NONAME, _GOTO */
83ee9e09
GS		 5219#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5220#define PERLDBf_LINE 0x02 /* Keep line # */
5221#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5222#define PERLDBf_INTER 0x08 /* Preserve more data for
5223 later inspections */
5224#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5225#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5226#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5227#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5228#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5229#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5230#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5231#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5232#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5233
3280af22
NIS		 5234#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5235#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5236#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5237#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5238#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5239#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5240#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5241#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5242#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5243#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5244#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5245#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5246#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5247
36477c24 5248#ifdef USE_LOCALE_NUMERIC
bbce6d69 5249
36477c24 5250#define SET_NUMERIC_STANDARD() \
ff4fed7c 5251 set_numeric_standard();
36477c24 5252
5253#define SET_NUMERIC_LOCAL() \
ff4fed7c 5254 set_numeric_local();
bbce6d69 5255
a98fe34d 5256#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
2de3dbcc
JH		 5257#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
5258
5259#define IN_LOCALE \
923e4eb5 5260 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 5261
f93f4e46 5262#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5263 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5264 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5265
5266#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5267 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5268 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5269
5270#define RESTORE_NUMERIC_LOCAL() \
5271 if (was_local) SET_NUMERIC_LOCAL();
5272
5273#define RESTORE_NUMERIC_STANDARD() \
5274 if (was_standard) SET_NUMERIC_STANDARD();
5275
5b877257 5276#define Atof my_atof
097ee67d 5277
36477c24 5278#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5279
097ee67d
JH		 5280#define SET_NUMERIC_STANDARD() /**/
5281#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5282#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5283#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5284#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5285#define RESTORE_NUMERIC_LOCAL() /**/
5286#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5287#define Atof my_atof
ad3e0f90 5288#define IN_LOCALE_RUNTIME 0
bbce6d69 5289
36477c24 5290#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5291
079290de 5292#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5293# ifdef __hpux
5294# define strtoll __strtoll /* secret handshake */
5295# endif
c623ac67
GS		 5296# ifdef WIN64
5297# define strtoll _strtoi64 /* secret handshake */
5298# endif
079290de
GS		 5299# if !defined(Strtol) && defined(HAS_STRTOLL)
5300# define Strtol strtoll
ad551343 5301# endif
28e5dec8
JH		 5302# if !defined(Strtol) && defined(HAS_STRTOQ)
5303# define Strtol strtoq
5304# endif
ff935051 5305/* is there atoq() anywhere? */
15b99d39 5306#endif
079290de
GS		 5307#if !defined(Strtol) && defined(HAS_STRTOL)
5308# define Strtol strtol
5309#endif
5310#ifndef Atol
5311/* It would be more fashionable to use Strtol() to define atol()
5312 * (as is done for Atoul(), see below) but for backward compatibility
5313 * we just assume atol(). */
76b882ba 5314# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 5315# ifdef WIN64
5316# define atoll _atoi64 /* secret handshake */
5317# endif
76b882ba
JH		 5318# define Atol atoll
5319# else
5320# define Atol atol
5321# endif
cf2093f6
JH		 5322#endif
5323
55eb892c 5324#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 5325# ifdef __hpux
5326# define strtoull __strtoull /* secret handshake */
5327# endif
c623ac67
GS		 5328# ifdef WIN64
5329# define strtoull _strtoui64 /* secret handshake */
5330# endif
ad551343 5331# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5332# define Strtoul strtoull
15b99d39 5333# endif
079290de
GS		 5334# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5335# define Strtoul strtouq
5336# endif
76d49b1c 5337/* is there atouq() anywhere? */
ad551343 5338#endif
079290de
GS		 5339#if !defined(Strtoul) && defined(HAS_STRTOUL)
5340# define Strtoul strtoul
cf2093f6 5341#endif
a5523c5b
JH		 5342#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5343# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5344#endif
079290de 5345#ifndef Atoul
d4c19fe8 5346# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5347#endif
cf2093f6 5348
760ac839 5349
06d86050
GS		 5350/* if these never got defined, they need defaults */
5351#ifndef PERL_SET_CONTEXT
5352# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5353#endif
5354
5355#ifndef PERL_GET_CONTEXT
5356# define PERL_GET_CONTEXT PERL_GET_INTERP
5357#endif
5358
5359#ifndef PERL_GET_THX
5360# define PERL_GET_THX ((void*)NULL)
5361#endif
5362
5363#ifndef PERL_SET_THX
5364# define PERL_SET_THX(t) NOOP
5365#endif
5366
a868473f
NIS		 5367#ifndef PERL_SCRIPT_MODE
5368#define PERL_SCRIPT_MODE "r"
5369#endif
5370
fba3b22e 5371/*
da927450
JH		 5372 * Some operating systems are stingy with stack allocation,
5373 * so perl may have to guard against stack overflow.
5374 */
5375#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5376#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5377#endif
5378
5379/*
5380 * Some nonpreemptive operating systems find it convenient to
5381 * check for asynchronous conditions after each op execution.
5382 * Keep this check simple, or it may slow down execution
5383 * massively.
5384 */
ce08f86c 5385
1d615522 5386#ifndef PERL_MICRO
4ffa73a3 5387# ifndef PERL_ASYNC_CHECK
16c91539 5388# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5389# endif
ce08f86c
NIS		 5390#endif
5391
da927450 5392#ifndef PERL_ASYNC_CHECK
1d615522 5393# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5394#endif
5395
5396/*
5397 * On some operating systems, a memory allocation may succeed,
5398 * but put the process too close to the system's comfort limit.
5399 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5400 * it to NULL.
5401 */
5402#ifndef PERL_ALLOC_CHECK
c2af87cb 5403#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5404#endif
5405
bd89102f
AD		 5406#ifdef HAS_SEM
5407# include <sys/ipc.h>
5408# include <sys/sem.h>
5409# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5410 union semun {
dbba660d
TC		 5411 int val;
5412 struct semid_ds *buf;
5413 unsigned short *array;
bd89102f
AD		 5414 };
5415# endif
5416# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5417# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5418 union gccbug_semun {
5419 int val;
5420 struct semid_ds *buf;
5421 unsigned short *array;
5422 char __dummy[5];
5423 };
5424# define semun gccbug_semun
5425# endif
bd89102f
AD		 5426# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5427# else
5428# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5429# ifdef EXTRA_F_IN_SEMUN_BUF
5430# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5431# else
5432# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5433# endif
bd89102f
AD		 5434# endif
5435# endif
bd89102f 5436#endif
49f531da 5437
89ca4ac7
JH		 5438/*
5439 * Boilerplate macros for initializing and accessing interpreter-local
5440 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5441 * this, if you want to make the extension thread-safe. See
5442 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5443 * and perlxs.pod for more.
89ca4ac7
JH		 5444 *
5445 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5446 * 1. #define MY_CXT_KEY to a unique string, e.g.
5447 * "DynaLoader::_guts" XS_VERSION
f16dd614 5448 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5449 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5450 * all the data that needs to be interpreter-local.
5451 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5452 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5453 * (typically put in the BOOT: section).
5454 * 5. Use the members of the my_cxt_t structure everywhere as
5455 * MY_CXT.member.
5456 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5457 * access MY_CXT.
5458 */
5459
fc958cd2 5460#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5461
4eddb856 5462/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5463 * right after the definition (i.e. at file scope). The non-threads
5464 * case below uses it to declare the data as static. */
00ab59c9
DM		 5465# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5466# define START_MY_CXT
5467# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5468# define MY_CXT_INIT_ARG MY_CXT_KEY
5469# else
5470# define START_MY_CXT static int my_cxt_index = -1;
5471# define MY_CXT_INDEX my_cxt_index
5472# define MY_CXT_INIT_ARG &my_cxt_index
5473# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5474
5475/* Creates and zeroes the per-interpreter data.
5476 * (We allocate my_cxtp in a Perl SV so that it will be released when
5477 * the interpreter goes away.) */
00ab59c9 5478# define MY_CXT_INIT \
53d44271 5479 my_cxt_t *my_cxtp = \
27cbf00a 5480 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t))
00ab59c9 5481# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5482 my_cxt_t *my_cxtp = \
27cbf00a 5483 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t))
53d44271
JH		 5484
5485/* This declaration should be used within all functions that use the
5486 * interpreter-local data. */
00ab59c9 5487# define dMY_CXT \
53d44271 5488 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5489# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5490 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5491
5492/* Clones the per-interpreter data. */
00ab59c9 5493# define MY_CXT_CLONE \
53d44271
JH		 5494 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5495 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5496 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5497
53d44271 5498
89ca4ac7
JH		 5499/* This macro must be used to access members of the my_cxt_t structure.
5500 * e.g. MYCXT.some_data */
00ab59c9 5501# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5502
5503/* Judicious use of these macros can reduce the number of times dMY_CXT
5504 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5505# define pMY_CXT my_cxt_t *my_cxtp
5506# define pMY_CXT_ pMY_CXT,
5507# define _pMY_CXT ,pMY_CXT
5508# define aMY_CXT my_cxtp
5509# define aMY_CXT_ aMY_CXT,
5510# define _aMY_CXT ,aMY_CXT
89ca4ac7 5511
f16dd614 5512#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5513
00ab59c9
DM		 5514# define START_MY_CXT static my_cxt_t my_cxt;
5515# define dMY_CXT_SV dNOOP
5516# define dMY_CXT dNOOP
5517# define dMY_CXT_INTERP(my_perl) dNOOP
5518# define MY_CXT_INIT NOOP
5519# define MY_CXT_CLONE NOOP
5520# define MY_CXT my_cxt
5521
5522# define pMY_CXT void
5523# define pMY_CXT_
5524# define _pMY_CXT
5525# define aMY_CXT
5526# define aMY_CXT_
5527# define _aMY_CXT
89ca4ac7 5528
f16dd614 5529#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5530
9a34ef1d
GS		 5531#ifdef I_FCNTL
5532# include <fcntl.h>
9a34ef1d
GS		 5533#endif
5534
9cffb111
OS		 5535#ifdef __Lynx__
5536# include <fcntl.h>
5537#endif
5538
9a34ef1d
GS		 5539#ifdef I_SYS_FILE
5540# include <sys/file.h>
5541#endif
5542
fa0a29af 5543#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5544int flock(int fd, int op);
5545#endif
5546
fe52b3b7
GS		 5547#ifndef O_RDONLY
5548/* Assume UNIX defaults */
5549# define O_RDONLY 0000
5550# define O_WRONLY 0001
5551# define O_RDWR 0002
5552# define O_CREAT 0100
5553#endif
9a34ef1d 5554
16fe6d59
GS		 5555#ifndef O_BINARY
5556# define O_BINARY 0
5557#endif
5558
5559#ifndef O_TEXT
5560# define O_TEXT 0
5561#endif
5562
6ce75a77
JH		 5563#if O_TEXT != O_BINARY
5564 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5565 * that is, you are somehow DOSish. */
df00ff3b
IW		 5566# if defined(__BEOS__) || defined(__HAIKU__) || defined(__VOS__) || \
5567 defined(__CYGWIN__)
5568 /* BeOS/Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5569 * BeOS/Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5570 /* VOS has O_TEXT != O_BINARY, and they have effect,
5571 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5572 /* If you have O_TEXT different from your O_BINARY but you still are
5573 * not a CRLF shop. */
35990314 5574# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5575# else
5576 /* If you really are DOSish. */
5577# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5578# endif
5579#endif
5580
4bc88a62
PS		 5581#ifdef I_LIBUTIL
5582# include <libutil.h> /* setproctitle() in some FreeBSDs */
5583#endif
5584
b4748376 5585#ifndef EXEC_ARGV_CAST
360ea906 5586#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5587#endif
5588
dd5dc04f
JH		 5589#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5590 int). value returned in pointed-
5591 to UV */
5592#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5593#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5594#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5595#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5596#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5597
5598#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5599
53305cf1
NC		 5600/* Input flags: */
5601#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5602#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5603#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5604#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5605 numbers which are <= UV_MAX */
53305cf1
NC		 5606/* Output flags: */
5607#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5608
2c4f7f0e
DM		 5609/* to let user control profiling */
5610#ifdef PERL_GPROF_CONTROL
5611extern void moncontrol(int);
5612#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5613#else
5614#define PERL_GPROF_MONCONTROL(x)
5615#endif
5616
ae0e3d3b
JH		 5617#ifdef UNDER_CE
5618#include "wince.h"
5619#endif
5620
5621/* ISO 6429 NEL - C1 control NExt Line */
5622/* See http://www.unicode.org/unicode/reports/tr13/ */
5623#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5624# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5625# define NEXT_LINE_CHAR 0x15
5626# else /* CDRA */
5627# define NEXT_LINE_CHAR 0x25
5628# endif
5629#else
5630# define NEXT_LINE_CHAR 0x85
5631#endif
5632
5633/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5634#define UNICODE_LINE_SEPA_0 0xE2
5635#define UNICODE_LINE_SEPA_1 0x80
5636#define UNICODE_LINE_SEPA_2 0xA8
5637#define UNICODE_PARA_SEPA_0 0xE2
5638#define UNICODE_PARA_SEPA_1 0x80
5639#define UNICODE_PARA_SEPA_2 0xA9
5640
479b2847
GS		 5641#ifndef PIPESOCK_MODE
5642# define PIPESOCK_MODE
5643#endif
5644
460c8493
IZ		 5645#ifndef SOCKET_OPEN_MODE
5646# define SOCKET_OPEN_MODE PIPESOCK_MODE
5647#endif
5648
5649#ifndef PIPE_OPEN_MODE
5650# define PIPE_OPEN_MODE PIPESOCK_MODE
5651#endif
5652
7e8c5dac
HS		 5653#define PERL_MAGIC_UTF8_CACHESIZE 2
5654
a05d7ebb
JH		 5655#define PERL_UNICODE_STDIN_FLAG 0x0001
5656#define PERL_UNICODE_STDOUT_FLAG 0x0002
5657#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5658#define PERL_UNICODE_IN_FLAG 0x0008
5659#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5660#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5661#define PERL_UNICODE_LOCALE_FLAG 0x0040
5662#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5663#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5664
06e66572
JH		 5665#define PERL_UNICODE_STD_FLAG \
5666 (PERL_UNICODE_STDIN_FLAG | \
5667 PERL_UNICODE_STDOUT_FLAG | \
5668 PERL_UNICODE_STDERR_FLAG)
5669
5670#define PERL_UNICODE_INOUT_FLAG \
5671 (PERL_UNICODE_IN_FLAG | \
5672 PERL_UNICODE_OUT_FLAG)
5673
5674#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5675 (PERL_UNICODE_STD_FLAG | \
5676 PERL_UNICODE_INOUT_FLAG | \
5677 PERL_UNICODE_LOCALE_FLAG)
5678
5a22a2bb 5679#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5680
5681#define PERL_UNICODE_STDIN 'I'
5682#define PERL_UNICODE_STDOUT 'O'
5683#define PERL_UNICODE_STDERR 'E'
5684#define PERL_UNICODE_STD 'S'
5685#define PERL_UNICODE_IN 'i'
5686#define PERL_UNICODE_OUT 'o'
5687#define PERL_UNICODE_INOUT 'D'
5688#define PERL_UNICODE_ARGV 'A'
5689#define PERL_UNICODE_LOCALE 'L'
5690#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5691#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5692
4ffa73a3
JH		 5693#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5694
32fdb065 5695/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5696 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5697#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5698
3c0f78ca
JH		 5699#if defined(__DECC) && defined(__osf__)
5700#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5701#endif
5702
e4dba786
NC		 5703#define do_open(g, n, l, a, rm, rp, sf) \
5704 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5705#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5706# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5707#endif
15871fce
NC		 5708#ifdef OS2
5709# define do_aexec Perl_do_aexec
5710#else
5711# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5712#endif
e4dba786 5713
2f3efc97
JH		 5714#if defined(OEMVS)
5715#define NO_ENV_ARRAY_IN_MAIN
5716#endif
5717
00f254e2
KW		 5718/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5719 * are here so that they are available throughout the core
10edeb5d
JH		 5720 * NOTE that even though some are for _escape and some for _pretty
5721 * there must not be any clashes as the flags from _pretty are
5722 * passed straight through to _escape.
5723 */
5724
5725#define PERL_PV_ESCAPE_QUOTE 0x0001
5726#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5727
95b611b0 5728#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5729#define PERL_PV_PRETTY_LTGT 0x0004
5730
5731#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5732
00f254e2 5733#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5734#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5735#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5736
5737#define PERL_PV_ESCAPE_ALL 0x1000
5738#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5739#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5740#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5741
881a015e
NC		 5742#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5743
10edeb5d 5744/* used by pv_display in dump.c*/
95b611b0 5745#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5746#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 5747
7d69d4a6 5748#if defined(PERL_CORE) || defined(PERL_EXT)
26ea9e12 5749# define FEATURE_IS_ENABLED(name) \
7d69d4a6
FC		 5750 (((PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints) \
5751 & HINT_LOCALIZE_HH) \
5752 && Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name), 0))
5753# define FEATURE_IS_ENABLED_d(name) \
5754 (!((PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints) \
5755 & HINT_LOCALIZE_HH) \
5756 || Perl_feature_is_enabled(aTHX_ STR_WITH_LEN(name), 1))
26ea9e12
NC		 5757/* The longest string we pass in. */
5758# define MAX_FEATURE_LEN (sizeof("unicode_strings")-1)
5759#endif
5760
10edeb5d
JH		 5761/*
5762
5763 (KEEP THIS LAST IN perl.h!)
5764
5765 Mention
d460ef45 5766
43999f95 5767 NV_PRESERVES_UV
fe749a9f 5768
fe749a9f
JH		 5769 HAS_MKSTEMP
5770 HAS_MKSTEMPS
5771 HAS_MKDTEMP
5772
49dabb45
JH		 5773 HAS_GETCWD
5774
d59b5429 5775 HAS_MMAP
fe749a9f
JH		 5776 HAS_MPROTECT
5777 HAS_MSYNC
1e8c3fde 5778 HAS_MADVISE
fe749a9f
JH		 5779 HAS_MUNMAP
5780 I_SYSMMAN
5781 Mmap_t
5782
6b4667fc
A		 5783 NVef
5784 NVff
5785 NVgf
5786
4e0554ec 5787 HAS_UALARM
2d736872 5788 HAS_USLEEP
4e0554ec
JH		 5789
5790 HAS_SETITIMER
5791 HAS_GETITIMER
5792
5793 HAS_SENDMSG
5794 HAS_RECVMSG
5795 HAS_READV
5796 HAS_WRITEV
5797 I_SYSUIO
5798 HAS_STRUCT_MSGHDR
5799 HAS_STRUCT_CMSGHDR
5800
2765b840 5801 HAS_NL_LANGINFO
0a7020c9 5802
ae0e3d3b 5803 HAS_DIRFD
2765b840 5804
10edeb5d 5805 so that Configure picks them up.
ab3bbdeb 5806
10edeb5d 5807 (KEEP THIS LAST IN perl.h!)
3df15adc 5808
10edeb5d 5809*/
3df15adc 5810
85e6fe83 5811#endif /* Include guard */
e9a8c099
MHM		 5812
5813/*
5814 * Local variables:
5815 * c-indentation-style: bsd
5816 * c-basic-offset: 4
5817 * indent-tabs-mode: t
5818 * End:
5819 *
5820 * ex: set ts=8 sts=4 sw=4 noet:
5821 */
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