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Merge in various enhancements to bisect.pl and bisect-runner.pl
[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
47a51902
SB		 25#ifdef VOIDUSED
26# undef VOIDUSED
00f254e2 27#endif
0cb96387 28#define VOIDUSED 1
47a51902 29
d460ef45 30#ifdef PERL_MICRO
12ae5dfc
JH		 31# include "uconfig.h"
32#else
b0f06652
VK		 33# ifndef USE_CROSS_COMPILE
34# include "config.h"
35# else
36# include "xconfig.h"
37# endif
12ae5dfc 38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
6f4183fe 47#ifdef USE_ITHREADS
acfe0abc 48# if !defined(MULTIPLICITY)
6f4183fe
GS		 49# define MULTIPLICITY
50# endif
51#endif
52
27da23d5
JH		 53#ifdef PERL_GLOBAL_STRUCT_PRIVATE
54# ifndef PERL_GLOBAL_STRUCT
55# define PERL_GLOBAL_STRUCT
56# endif
57#endif
97aff369 58
27da23d5
JH		 59#ifdef PERL_GLOBAL_STRUCT
60# ifndef MULTIPLICITY
61# define MULTIPLICITY
62# endif
63#endif
64
97aff369
JH		 65#ifdef MULTIPLICITY
66# ifndef PERL_IMPLICIT_CONTEXT
67# define PERL_IMPLICIT_CONTEXT
68# endif
69#endif
70
026fd48b
GH		 71/* undef WIN32 when building on Cygwin (for libwin32) - gph */
72#ifdef __CYGWIN__
73# undef WIN32
74# undef _WIN32
75#endif
76
27da23d5
JH		 77#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
78# ifndef SYMBIAN
79# define SYMBIAN
80# endif
81#endif
82
a0fd4948 83#ifdef __SYMBIAN32__
27da23d5
JH		 84# include "symbian/symbian_proto.h"
85#endif
86
87/* Any stack-challenged places. The limit varies (and often
88 * is configurable), but using more than a kilobyte of stack
89 * is usually dubious in these systems. */
739a0b84
NC		 90#if defined(__SYMBIAN32__)
91/* Symbian: need to work around the SDK features. *
27da23d5
JH		 92 * On WINS: MS VC5 generates calls to _chkstk, *
93 * if a "large" stack frame is allocated. *
94 * gcc on MARM does not generate calls like these. */
95# define USE_HEAP_INSTEAD_OF_STACK
96#endif
97
98#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 99/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 100#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 101# define USE_REENTRANT_API
102#endif
103
ac6bedea
JH		 104/* <--- here ends the logic shared by perl.h and makedef.pl */
105
af28e889 106/*
6239f2da
JH		 107 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
108 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 109 * __bsdi__ for BSD/OS
110 */
6239f2da 111#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 112# ifndef BSDish
113# define BSDish
114# endif
115#endif
116
cf5a8da6
MHM		 117#undef START_EXTERN_C
118#undef END_EXTERN_C
119#undef EXTERN_C
120#ifdef __cplusplus
121# define START_EXTERN_C extern "C" {
122# define END_EXTERN_C }
123# define EXTERN_C extern "C"
124#else
125# define START_EXTERN_C
126# define END_EXTERN_C
127# define EXTERN_C extern
128#endif
129
17a6c8e3
AD		 130/* Fallback definitions in case we don't have definitions from config.h.
131 This should only matter for systems that don't use Configure and
132 haven't been modified to define PERL_STATIC_INLINE yet.
133*/
134#if !defined(PERL_STATIC_INLINE)
135# ifdef HAS_STATIC_INLINE
136# define PERL_STATIC_INLINE static inline
137# else
138# define PERL_STATIC_INLINE static
139# endif
140#endif
141
27da23d5
JH		 142#ifdef PERL_GLOBAL_STRUCT
143# ifndef PERL_GET_VARS
144# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 145 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5
JH		 146# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
147# ifndef PERLIO_FUNCS_CONST
148# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
149# endif
150# else
151# define PERL_GET_VARS() PL_VarsPtr
152# endif
153# endif
154#endif
155
5aaab254 156#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 157
158#ifdef PERL_GLOBAL_STRUCT
159# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
160#else
161# define dVAR dNOOP
162#endif
163
c5be433b 164#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 165# ifndef MULTIPLICITY
166# define MULTIPLICITY
c5be433b 167# endif
e8dda941 168# define tTHX PerlInterpreter*
5aaab254 169# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 170# define aTHX my_perl
9399a70c 171# define aTHXa(a) aTHX = (tTHX)a
27da23d5 172# ifdef PERL_GLOBAL_STRUCT
e8dda941 173# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 174# else
e8dda941 175# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 176# endif
177# ifdef PERL_GLOBAL_STRUCT
178# define dTHX dVAR; pTHX = PERL_GET_THX
179# else
180# define dTHX pTHX = PERL_GET_THX
181# endif
c5be433b 182# define pTHX_ pTHX,
c5be433b 183# define aTHX_ aTHX,
4373e329 184# define pTHX_1 2
894356b3
GS		 185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
AL		 188# define pTHX_5 6
189# define pTHX_6 7
a3b680e6
AL		 190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
e8dda941
JD		 193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 198#endif
199
76e3520e 200#define STATIC static
16c91539
BM		 201
202#ifndef PERL_CORE
203/* Do not use these macros. They were part of PERL_OBJECT, which was an
204 * implementation of multiplicity using C++ objects. They have been left
205 * here solely for the sake of XS code which has incorrectly
206 * cargo-culted them.
207 */
76e3520e 208#define CPERLscope(x) x
565764a8 209#define CPERLarg void
76e3520e 210#define CPERLarg_
e3b8966e 211#define _CPERLarg
1d583055
GS		 212#define PERL_OBJECT_THIS
213#define _PERL_OBJECT_THIS
214#define PERL_OBJECT_THIS_
312caa8e 215#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 216#define MEMBER_TO_FPTR(name) name
16c91539 217#endif /* !PERL_CORE */
76e3520e 218
16c91539 219#define CALLRUNOPS PL_runops
f9f4320a 220
3ab4a224 221#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 222
16c91539 223#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
f9f4320a 224#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,screamer,data,flags) \
16c91539 225 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
f9f4320a
YO		 226 (strbeg),(minend),(screamer),(data),(flags))
227#define CALLREG_INTUIT_START(prog,sv,strpos,strend,flags,data) \
16c91539 228 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strpos), \
f9f4320a
YO		 229 (strend),(flags),(data))
230#define CALLREG_INTUIT_STRING(prog) \
16c91539 231 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 232
f8149455
YO		 233#define CALLREGFREE(prog) \
234 Perl_pregfree(aTHX_ (prog))
235
236#define CALLREGFREE_PVT(prog) \
16c91539 237 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 238
2fdbfb4d 239#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 241
2fdbfb4d 242#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 244
245#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 246 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 247
192b9cd1 248#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 274
275#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 276 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 277
49d7dfbc 278#define CALLREG_PACKAGE(rx) \
16c91539 279 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 280
00f254e2 281#if defined(USE_ITHREADS)
f9f4320a 282#define CALLREGDUPE(prog,param) \
f8149455
YO		 283 Perl_re_dup(aTHX_ (prog),(param))
284
285#define CALLREGDUPE_PVT(prog,param) \
16c91539 286 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 287 : (REGEXP *)NULL)
f9f4320a 288#endif
14dd3ad8 289
a20207d7 290
bcdf7404 291
a20207d7
YO		 292
293
5ba4cab2
SH		 294/*
295 * Because of backward compatibility reasons the PERL_UNUSED_DECL
296 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
297 *
298 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 299 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 300 * marking unused variables (they need e.g. a #pragma) and therefore
301 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
302 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
303 *
304 */
1266ad8c 305
9969cdde 306#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 307# ifdef __cplusplus
5ba4cab2 308# define PERL_UNUSED_DECL
5b2bd0a5 309# else
5ba4cab2 310# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 311# endif
312#endif
44dbb695 313
5b2bd0a5 314#ifndef PERL_UNUSED_DECL
34659ad4 315# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 316# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 317# else
5ba4cab2 318# define PERL_UNUSED_DECL
b79c357a 319# endif
5b2bd0a5 320#endif
00f254e2 321
349b520e
DM		 322/* gcc -Wall:
323 * for silencing unused variables that are actually used most of the time,
a0288114 324 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 325 */
53c1dcc0 326#ifndef PERL_UNUSED_ARG
c99ffe5e 327# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 328# include <note.h>
53c1dcc0 329# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 330# else
53c1dcc0 331# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 332# endif
333#endif
53c1dcc0
AL		 334#ifndef PERL_UNUSED_VAR
335# define PERL_UNUSED_VAR(x) ((void)x)
336#endif
ad73156c 337
96a5add6
AL		 338#ifdef USE_ITHREADS
339# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
340#else
341# define PERL_UNUSED_CONTEXT
342#endif
343
6f207bd3 344#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 345/* cea2e8a9dd23747f accidentally lost the comment originally from the first
346 check in of thread.h, explaining why we need dNOOP at all: */
347/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
348/* Declaring a *function*, instead of a variable, ensures that we don't rely
349 on being able to suppress "unused" warnings. */
7db66e12
CB		 350#ifdef __cplusplus
351#define dNOOP (void)0
352#else
64a8239e 353#define dNOOP extern int Perl___notused(void)
7db66e12 354#endif
71be2cbc 355
0cb96387 356#ifndef pTHX
e8dda941
JD		 357/* Don't bother defining tTHX and sTHX; using them outside
358 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
359 */
0cb96387
GS		 360# define pTHX void
361# define pTHX_
0cb96387
GS		 362# define aTHX
363# define aTHX_
9399a70c 364# define aTHXa(a) NOOP
0cb96387
GS		 365# define dTHXa(a) dNOOP
366# define dTHX dNOOP
894356b3
GS		 367# define pTHX_1 1
368# define pTHX_2 2
369# define pTHX_3 3
370# define pTHX_4 4
3d42dc86
RGS		 371# define pTHX_5 5
372# define pTHX_6 6
a3b680e6
AL		 373# define pTHX_7 7
374# define pTHX_8 8
375# define pTHX_9 9
0cb96387
GS		 376#endif
377
27da23d5
JH		 378#ifndef dVAR
379# define dVAR dNOOP
380#endif
381
b4f7f263
GS		 382/* these are only defined for compatibility; should not be used internally */
383#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 384# define pTHXo pTHX
385# define pTHXo_ pTHX_
0cb96387
GS		 386# define aTHXo aTHX
387# define aTHXo_ aTHX_
c5be433b 388# define dTHXo dTHX
71d280e3 389# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 390#endif
391
392#ifndef pTHXx
5aaab254 393# define pTHXx PerlInterpreter *my_perl
0cb96387 394# define pTHXx_ pTHXx,
0cb96387
GS		 395# define aTHXx my_perl
396# define aTHXx_ aTHXx,
c5be433b 397# define dTHXx dTHX
22c35a8c 398#endif
71be2cbc 399
1de7c2ac
GS		 400/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
401 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
402 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
403#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 404# ifdef PERL_GLOBAL_STRUCT_PRIVATE
405# define dTHXs dVAR; dTHX
406# else
407# define dTHXs dTHX
408# endif
1de7c2ac 409#else
27da23d5
JH		 410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR
412# else
413# define dTHXs dNOOP
414# endif
1de7c2ac
GS		 415#endif
416
27da23d5
JH		 417/* Some platforms require marking function declarations
418 * for them to be exportable. Used in perlio.h, proto.h
419 * is handled either by the makedef.pl or by defining the
420 * PERL_CALLCONV to be something special. See also the
421 * definition of XS() in XSUB.h. */
422#ifndef PERL_EXPORT_C
a0c21aa1
JH		 423# ifdef __cplusplus
424# define PERL_EXPORT_C extern "C"
425# else
426# define PERL_EXPORT_C extern
427# endif
27da23d5
JH		 428#endif
429#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 430# ifdef __cplusplus
431# define PERL_XS_EXPORT_C extern "C"
432# else
433# define PERL_XS_EXPORT_C
434# endif
27da23d5
JH		 435#endif
436
462e5cf6
MB		 437#ifdef OP_IN_REGISTER
438# ifdef __GNUC__
439# define stringify_immed(s) #s
440# define stringify(s) stringify_immed(s)
5aaab254 441struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 442# endif
443#endif
444
e5afc1ae 445/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 446 * g++ allows them but seems to have problems with them
70aab261
RB		 447 * (insane errors ensue).
448 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
449 */
450#if defined(PERL_GCC_PEDANTIC) || \
451 (defined(__GNUC__) && defined(__cplusplus) && \
452 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 453# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
RGS		 454# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
455# endif
5dc8bdac
JH		 456#endif
457
5b692037
JH		 458#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
459# ifndef PERL_USE_GCC_BRACE_GROUPS
460# define PERL_USE_GCC_BRACE_GROUPS
461# endif
462#endif
463
728e2803 464/*
465 * STMT_START { statements; } STMT_END;
466 * can be used as a single statement, as in
467 * if (x) STMT_START { ... } STMT_END; else ...
468 *
469 * Trying to select a version that gives no warnings...
470 */
471#if !(defined(STMT_START) && defined(STMT_END))
5b692037 472# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 473# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 474# define STMT_END )
475# else
476 /* Now which other defined()s do we need here ??? */
93189314 477# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 478# define STMT_START if (1)
479# define STMT_END else (void)0
480# else
481# define STMT_START do
482# define STMT_END while (0)
483# endif
484# endif
485#endif
486
d6f9c181
JH		 487#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
488# define BYTEORDER 0x1234
79072805
LW		 489#endif
490
491/* Overall memory policy? */
492#ifndef CONSERVATIVE
493# define LIBERAL 1
494#endif
495
8ada0baa
JH		 496#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
497#define ASCIIish
498#else
499#undef ASCIIish
500#endif
501
79072805
LW		 502/*
503 * The following contortions are brought to you on behalf of all the
504 * standards, semi-standards, de facto standards, not-so-de-facto standards
505 * of the world, as well as all the other botches anyone ever thought of.
506 * The basic theory is that if we work hard enough here, the rest of the
507 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
508 */
ac58e20f 509
ee0007ab 510/* define this once if either system, instead of cluttering up the src */
7c458fae 511#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 512#define DOSISH 1
513#endif
514
739a0b84 515#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 516# define STANDARD_C 1
517#endif
518
8d87852b 519#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 520# define DONT_DECLARE_STD 1
521#endif
522
352d5a3a 523#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 524# define VOL volatile
663a0e37 525#else
79072805 526# define VOL
663a0e37
LW		 527#endif
528
284167a5
S		 529/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
530 * you get a perl without taint support, but doubtlessly with a lesser
531 * degree of support. Do not do so unless you know exactly what it means
532 * technically, have a good reason to do so, and know exactly how the
533 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
534 * a potential security risk due to flat out ignoring the security-relevant
535 * taint flags. This being said, a perl without taint support compiled in
536 * has marginal run-time performance benefits.
537 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
538 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
539 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 540 *
541 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 542 * voids your nonexistent warranty!
284167a5
S		 543 */
544#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
545# define NO_TAINT_SUPPORT 1
546#endif
547
548/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
549 * operations into no-ops for a very modest speed-up. Enable only if you
550 * know what you're doing: tests and CPAN modules' tests are bound to fail.
551 */
552#if NO_TAINT_SUPPORT
553# define TAINT NOOP
554# define TAINT_NOT NOOP
555# define TAINT_IF(c) NOOP
556# define TAINT_ENV() NOOP
557# define TAINT_PROPER(s) NOOP
558# define TAINT_set(s) NOOP
559# define TAINT_get 0
560# define TAINTING_get 0
561# define TAINTING_set(s) NOOP
562# define TAINT_WARN_get 0
563# define TAINT_WARN_set(s) NOOP
564#else
565# define TAINT (PL_tainted = TRUE)
566# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 567# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
568# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
569# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 570# define TAINT_set(s) (PL_tainted = (s))
571# define TAINT_get (PL_tainted)
572# define TAINTING_get (PL_tainting)
573# define TAINTING_set(s) (PL_tainting = (s))
574# define TAINT_WARN_get (PL_taint_warn)
575# define TAINT_WARN_set(s) (PL_taint_warn = (s))
576#endif
a687059c 577
20be6587
DM		 578/* flags used internally only within pp_subst and pp_substcont */
579#ifdef PERL_CORE
580# define SUBST_TAINT_STR 1 /* string tainted */
581# define SUBST_TAINT_PAT 2 /* pattern tainted */
582# define SUBST_TAINT_REPL 4 /* replacement tainted */
583# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
584# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
585#endif
586
d460ef45 587/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 588 defines move there? If so, I could simplify this a lot. --AD 9/96.
589*/
590/* Process group stuff changed from traditional BSD to POSIX.
591 perlfunc.pod documents the traditional BSD-style syntax, so we'll
592 try to preserve that, if possible.
593*/
594#ifdef HAS_SETPGID
595# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 596#else
a6e633de 597# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
598# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
599# else
600# ifdef HAS_SETPGRP2 /* DG/UX */
601# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
602# endif
603# endif
604#endif
605#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
606# define HAS_SETPGRP /* Well, effectively it does . . . */
607#endif
608
609/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
610 our life easier :-) so we'll try it.
611*/
612#ifdef HAS_GETPGID
613# define BSD_GETPGRP(pid) getpgid((pid))
614#else
615# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
616# define BSD_GETPGRP(pid) getpgrp((pid))
617# else
618# ifdef HAS_GETPGRP2 /* DG/UX */
619# define BSD_GETPGRP(pid) getpgrp2((pid))
620# endif
621# endif
622#endif
623#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
624# define HAS_GETPGRP /* Well, effectively it does . . . */
625#endif
626
d460ef45 627/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 628 have different behaviors, but perl.h used to define USE_BSDPGRP
629 (prior to 5.003_05) so some extension might depend on it.
630*/
631#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
632# ifndef USE_BSDPGRP
633# define USE_BSDPGRP
634# endif
663a0e37
LW		 635#endif
636
486ec47a 637/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 638 pthread.h must be included before all other header files.
639*/
3db8f154 640#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 641# include <pthread.h>
642#endif
643
760ac839
LW		 644#ifndef _TYPES_ /* If types.h defines this it's easy. */
645# ifndef major /* Does everyone's types.h define this? */
646# include <sys/types.h>
c07a80fd 647# endif
663a0e37
LW		 648#endif
649
760ac839
LW		 650#ifdef __cplusplus
651# ifndef I_STDARG
652# define I_STDARG 1
653# endif
654#endif
655
656#ifdef I_STDARG
657# include <stdarg.h>
658#else
659# ifdef I_VARARGS
660# include <varargs.h>
661# endif
662#endif
663
4633a7c4 664#ifdef USE_NEXT_CTYPE
0c30d9ec 665
092bebab
JH		 666#if NX_CURRENT_COMPILER_RELEASE >= 500
667# include <bsd/ctypes.h>
668#else
669# if NX_CURRENT_COMPILER_RELEASE >= 400
670# include <objc/NXCType.h>
671# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
672# include <appkit/NXCType.h>
673# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
674#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 675
676#else /* !USE_NEXT_CTYPE */
fe14fcc3 677#include <ctype.h>
0c30d9ec 678#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 679
680#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
681#undef METHOD
a0d0e21e
LW		 682#endif
683
12ae5dfc
JH		 684#ifdef PERL_MICRO
685# define NO_LOCALE
686#endif
687
4633a7c4 688#ifdef I_LOCALE
36477c24 689# include <locale.h>
4633a7c4
LW		 690#endif
691
36477c24 692#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
693# define USE_LOCALE
694# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
695 && defined(HAS_STRXFRM)
696# define USE_LOCALE_COLLATE
697# endif
698# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
699# define USE_LOCALE_CTYPE
700# endif
701# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
702# define USE_LOCALE_NUMERIC
703# endif
704#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 705
fe14fcc3 706#include <setjmp.h>
79072805 707
a0d0e21e 708#ifdef I_SYS_PARAM
79072805
LW		 709# ifdef PARAM_NEEDS_TYPES
710# include <sys/types.h>
711# endif
712# include <sys/param.h>
352d5a3a 713#endif
79072805 714
79072805 715/* Use all the "standard" definitions? */
a0d0e21e 716#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 717# include <stdlib.h>
ff68c719 718#endif
03a14243 719
3f270f98
JH		 720/* If this causes problems, set i_unistd=undef in the hint file. */
721#ifdef I_UNISTD
722# include <unistd.h>
723#endif
724
de8ca8af
NT		 725/* for WCOREDUMP */
726#ifdef I_SYS_WAIT
727# include <sys/wait.h>
728#endif
729
9969cdde 730#ifdef __SYMBIAN32__
27da23d5
JH		 731# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
732#endif
733
7114a2d2 734#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
c45598c5 735EXTERN_C int syscall(int, ...);
2ef53570
JH		 736#endif
737
7114a2d2 738#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
c45598c5 739EXTERN_C int usleep(unsigned int);
2ef53570
JH		 740#endif
741
1109a392
MHM		 742#ifdef PERL_CORE
743
744/* macros for correct constant construction */
745# if INTSIZE >= 2
746# define U16_CONST(x) ((U16)x##U)
747# else
748# define U16_CONST(x) ((U16)x##UL)
749# endif
750
751# if INTSIZE >= 4
752# define U32_CONST(x) ((U32)x##U)
753# else
754# define U32_CONST(x) ((U32)x##UL)
755# endif
756
757# ifdef HAS_QUAD
758# if INTSIZE >= 8
759# define U64_CONST(x) ((U64)x##U)
760# elif LONGSIZE >= 8
761# define U64_CONST(x) ((U64)x##UL)
762# elif QUADKIND == QUAD_IS_LONG_LONG
763# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 764# elif QUADKIND == QUAD_IS___INT64
765# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 766# else /* best guess we can make */
767# define U64_CONST(x) ((U64)x##UL)
768# endif
769# endif
770
771/* byte-swapping functions for big-/little-endian conversion */
772# define _swab_16_(x) ((U16)( \
773 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
774 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
775
776# define _swab_32_(x) ((U32)( \
777 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
778 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
779 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
780 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
781
782# ifdef HAS_QUAD
783# define _swab_64_(x) ((U64)( \
784 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
785 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
786 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
787 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
788 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
789 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
790 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
791 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
792# endif
793
9c17f24a
NC		 794/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
795 at least on FreeBSD. YMMV, so experiment. */
796#ifndef PERL_ARENA_SIZE
797#define PERL_ARENA_SIZE 4080
798#endif
799
ccb2c8b8 800/* Maximum level of recursion */
2b9dff67
RGS		 801#ifndef PERL_SUB_DEPTH_WARN
802#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 803#endif
804
1109a392
MHM		 805#endif /* PERL_CORE */
806
bdf3085f
NC		 807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
7459f06b
NC		 810# ifndef PERL_DONT_CREATE_GVSV
811# define PERL_DONT_CREATE_GVSV
812# endif
bdf3085f
NC		 813#endif
814
ca0c25f6
NC		 815#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
816#define PERL_USES_PL_PIDSTATUS
817#endif
818
739a0b84 819#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 820#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
821#endif
822
c31fac66
GS		 823#define MEM_SIZE Size_t
824
1936d2a7
NC		 825/* Round all values passed to malloc up, by default to a multiple of
826 sizeof(size_t)
827*/
828#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
829#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
830#endif
831
f1200559
WH		 832/* sv_grow() will expand strings by at least a certain percentage of
833 the previously *used* length to avoid excessive calls to realloc().
834 The default is 25% of the current length.
835*/
836#ifndef PERL_STRLEN_EXPAND_SHIFT
837# define PERL_STRLEN_EXPAND_SHIFT 2
838#endif
839
51371543
GS		 840#if defined(STANDARD_C) && defined(I_STDDEF)
841# include <stddef.h>
842# define STRUCT_OFFSET(s,m) offsetof(s,m)
843#else
844# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
845#endif
846
9969cdde 847#ifndef __SYMBIAN32__
27da23d5
JH		 848# if defined(I_STRING) || defined(__cplusplus)
849# include <string.h>
850# else
851# include <strings.h>
852# endif
51371543
GS		 853#endif
854
55497cff 855/* This comes after <stdlib.h> so we don't try to change the standard
856 * library prototypes; we'll use our own in proto.h instead. */
03a14243 857
4633a7c4 858#ifdef MYMALLOC
86058a2d 859# ifdef PERL_POLLUTE_MALLOC
ee13e175 860# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 861# define Perl_malloc malloc
862# define Perl_calloc calloc
863# define Perl_realloc realloc
864# define Perl_mfree free
ee13e175 865# endif
86058a2d
GS		 866# else
867# define EMBEDMYMALLOC /* for compatibility */
868# endif
827e134a 869
651b9576
GS		 870# define safemalloc Perl_malloc
871# define safecalloc Perl_calloc
872# define saferealloc Perl_realloc
873# define safefree Perl_mfree
22f7c9c9
JH		 874# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
875 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
876 code; \
877 } STMT_END
878# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
879 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
880# define panic_write2(s) write(2, s, strlen(s))
881# define CHECK_MALLOC_TAINT(newval) \
882 CHECK_MALLOC_TOO_LATE_FOR_( \
883 if (newval) { \
884 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
885 exit(1); })
22f7c9c9 886# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 887 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 888 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
889 }} STMT_END;
f2517201
GS		 890#else /* MYMALLOC */
891# define safemalloc safesysmalloc
892# define safecalloc safesyscalloc
893# define saferealloc safesysrealloc
894# define safefree safesysfree
22f7c9c9
JH		 895# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
896# define CHECK_MALLOC_TAINT(newval) ((void)0)
897# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 898#endif /* MYMALLOC */
4633a7c4 899
fe13d51d 900/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 901#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		 902#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
903#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
904#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
905
a0d0e21e
LW		 906#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
907#define strchr index
908#define strrchr rindex
909#endif
910
16d20bd9
AD		 911#ifdef I_MEMORY
912# include <memory.h>
913#endif
914
fe14fcc3 915#ifdef HAS_MEMCPY
85e6fe83 916# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 917# ifndef memcpy
20ce7b12 918 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 919# endif
920# endif
921#else
922# ifndef memcpy
923# ifdef HAS_BCOPY
924# define memcpy(d,s,l) bcopy(s,d,l)
925# else
926# define memcpy(d,s,l) my_bcopy(s,d,l)
927# endif
928# endif
929#endif /* HAS_MEMCPY */
fe14fcc3 930
ee0007ab 931#ifdef HAS_MEMSET
85e6fe83 932# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 933# ifndef memset
20ce7b12 934 extern char *memset (char*, int, int);
ee0007ab
LW		 935# endif
936# endif
ee0007ab 937#else
12ae5dfc 938# undef memset
fc36a67e 939# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 940#endif /* HAS_MEMSET */
941
85e6fe83 942#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 943# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 944# define memmove(d,s,l) bcopy(s,d,l)
945# else
2304df62 946# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 947# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 948# else
79072805 949# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 950# endif
352d5a3a 951# endif
d9d8d8de 952#endif
ee0007ab 953
36477c24 954#if defined(mips) && defined(ultrix) && !defined(__STDC__)
955# undef HAS_MEMCMP
956#endif
957
958#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 959# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 960# ifndef memcmp
20ce7b12 961 extern int memcmp (char*, char*, int);
ee0007ab
LW		 962# endif
963# endif
36477c24 964# ifdef BUGGY_MSC
7e4e8c89 965# pragma function(memcmp)
36477c24 966# endif
ee0007ab
LW		 967#else
968# ifndef memcmp
ecfc5424 969# define memcmp my_memcmp
352d5a3a 970# endif
36477c24 971#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 972
fc36a67e 973#ifndef memzero
c635e13b 974# ifdef HAS_MEMSET
975# define memzero(d,l) memset(d,0,l)
79072805 976# else
c635e13b 977# ifdef HAS_BZERO
978# define memzero(d,l) bzero(d,l)
79072805 979# else
fc36a67e 980# define memzero(d,l) my_bzero(d,l)
79072805
LW		 981# endif
982# endif
d9d8d8de 983#endif
378cc40b 984
2f42fcb0 985#ifndef PERL_MICRO
0f27ced1
JH		 986#ifndef memchr
987# ifndef HAS_MEMCHR
988# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
989# endif
990#endif
2f42fcb0 991#endif
0f27ced1 992
36477c24 993#ifndef HAS_BCMP
994# ifndef bcmp
995# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 996# endif
36477c24 997#endif /* !HAS_BCMP */
378cc40b 998
ae986130 999#ifdef I_NETINET_IN
79072805 1000# include <netinet/in.h>
ae986130
LW		 1001#endif
1002
28e8609d
JH		 1003#ifdef I_ARPA_INET
1004# include <arpa/inet.h>
1005#endif
1006
84902520
TB		 1007#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1008/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1009 * (the neo-BSD seem to do this). */
1010# undef SF_APPEND
1011#endif
1012
1aef975c 1013#ifdef I_SYS_STAT
84902520 1014# include <sys/stat.h>
1aef975c 1015#endif
79072805 1016
287a962e
JD		 1017/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1018 This definition should ideally go into win32/win32.h, but S_IFIFO is
1019 used later here in perl.h before win32/win32.h is being included. */
1020#if !defined(S_IFIFO) && defined(_S_IFIFO)
1021# define S_IFIFO _S_IFIFO
1022#endif
1023
cc3315ba 1024/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1025 like UTekV) are broken, sometimes giving false positives. Undefine
1026 them here and let the code below set them to proper values.
1027
1028 The ghs macro stands for GreenHills Software C-1.8.5 which
1029 is the C compiler for sysV88 and the various derivatives.
1030 This header file bug is corrected in gcc-2.5.8 and later versions.
1031 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1032
cc3315ba 1033#if defined(m88k) && defined(ghs)
79072805
LW		 1034# undef S_ISDIR
1035# undef S_ISCHR
1036# undef S_ISBLK
1037# undef S_ISREG
1038# undef S_ISFIFO
1039# undef S_ISLNK
ee0007ab 1040#endif
135863df 1041
663a0e37
LW		 1042#ifdef I_TIME
1043# include <time.h>
ffed7fef 1044#endif
663a0e37 1045
fe14fcc3 1046#ifdef I_SYS_TIME
85e6fe83 1047# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1048# define KERNEL
1049# endif
1050# include <sys/time.h>
85e6fe83 1051# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1052# undef KERNEL
1053# endif
a687059c 1054#endif
135863df 1055
55497cff 1056#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1057# include <sys/times.h>
d9d8d8de 1058#endif
8d063cd8 1059
fe14fcc3 1060#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1061# undef HAS_STRERROR
663a0e37
LW		 1062#endif
1063
1064#include <errno.h>
1e743fda 1065
acfe0abc 1066#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1067# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1068#endif
1069
8cfab5ff 1070/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1071 * This is important for using IPv6.
8cfab5ff
JH		 1072 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1073 * a bad idea since it breaks send() and recv(). */
1074#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1075# define _SOCKADDR_LEN
1076#endif
1077
da70cfc6 1078#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1079# include <sys/socket.h>
1080# if defined(USE_SOCKS) && defined(I_SOCKS)
1081# if !defined(INCLUDE_PROTOTYPES)
1082# define INCLUDE_PROTOTYPES /* for <socks.h> */
1083# define PERL_SOCKS_NEED_PROTOTYPES
1084# endif
1085# include <socks.h>
1086# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1087# undef INCLUDE_PROTOTYPES
1088# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1089# endif
d460ef45 1090# endif
1e743fda 1091# ifdef I_NETDB
2986a63f
JH		 1092# ifdef NETWARE
1093# include<stdio.h>
1094# endif
1e743fda
JH		 1095# include <netdb.h>
1096# endif
1097# ifndef ENOTSOCK
1098# ifdef I_NET_ERRNO
1099# include <net/errno.h>
1100# endif
1101# endif
1102#endif
1103
fa0a29af 1104/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1105 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1106 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1107#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1108# if defined(__THROW) && defined(__GLIBC__)
1109int sockatmark(int) __THROW;
1110# else
2ef53570 1111int sockatmark(int);
29820b6d 1112# endif
2ef53570
JH		 1113#endif
1114
7e827271 1115#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		 1116EXTERN_C int fchdir(int);
1117EXTERN_C int flock(int, int);
1118EXTERN_C int fseeko(FILE *, off_t, int);
1119EXTERN_C off_t ftello(FILE *);
1120#endif
1121
7e827271 1122#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1123EXTERN_C char *crypt(const char *, const char *);
7e827271 1124EXTERN_C char **environ;
1ccb7c8d
JH		 1125#endif
1126
83a6ff2e 1127#if defined(__cplusplus)
944c4fda 1128# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1129EXTERN_C char **environ;
83a6ff2e 1130# elif defined(__CYGWIN__)
667e2948
SP		 1131EXTERN_C char *crypt(const char *, const char *);
1132#endif
83a6ff2e 1133#endif
667e2948 1134
1e743fda
JH		 1135#ifdef SETERRNO
1136# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1137#endif
f86702cc 1138
1139#ifdef VMS
1140# define SETERRNO(errcode,vmserrcode) \
1141 STMT_START { \
1142 set_errno(errcode); \
1143 set_vaxc_errno(vmserrcode); \
1144 } STMT_END
4ee39169
CS		 1145# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1146# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1147# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1148# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1149
93189314
JH		 1150# define LIB_INVARG LIB$_INVARG
1151# define RMS_DIR RMS$_DIR
1152# define RMS_FAC RMS$_FAC
1153# define RMS_FEX RMS$_FEX
1154# define RMS_FNF RMS$_FNF
1155# define RMS_IFI RMS$_IFI
1156# define RMS_ISI RMS$_ISI
1157# define RMS_PRV RMS$_PRV
1158# define SS_ACCVIO SS$_ACCVIO
1159# define SS_DEVOFFLINE SS$_DEVOFFLINE
1160# define SS_IVCHAN SS$_IVCHAN
1161# define SS_NORMAL SS$_NORMAL
748a9306 1162#else
aba27d88 1163# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
4ee39169
CS		 1164# define dSAVEDERRNO int saved_errno
1165# define dSAVE_ERRNO int saved_errno = errno
1166# define SAVE_ERRNO (saved_errno = errno)
1167# define RESTORE_ERRNO (errno = saved_errno)
1168
93189314
JH		 1169# define LIB_INVARG 0
1170# define RMS_DIR 0
1171# define RMS_FAC 0
1172# define RMS_FEX 0
1173# define RMS_FNF 0
1174# define RMS_IFI 0
1175# define RMS_ISI 0
1176# define RMS_PRV 0
1177# define SS_ACCVIO 0
1178# define SS_DEVOFFLINE 0
1179# define SS_IVCHAN 0
1180# define SS_NORMAL 0
748a9306 1181#endif
ed6116ce 1182
f5fa9033 1183#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1184
1185#define CLEAR_ERRSV() STMT_START { \
1186 if (!GvSV(PL_errgv)) { \
1187 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1188 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1189 SvREFCNT_dec(GvSV(PL_errgv)); \
1190 GvSV(PL_errgv) = newSVpvs(""); \
1191 } else { \
1192 SV *const errsv = GvSV(PL_errgv); \
1193 sv_setpvs(errsv, ""); \
1194 if (SvMAGICAL(errsv)) { \
1195 mg_free(errsv); \
1196 } \
1197 SvPOK_only(errsv); \
1198 } \
1199 } STMT_END
1200
1201
414bf5ae
MHM		 1202#ifdef PERL_CORE
1203# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1204# define DEFSV_set(sv) \
1205 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1206# define SAVE_DEFSV \
1207 ( \
1208 save_gp(PL_defgv, 0), \
1209 GvINTRO_off(PL_defgv), \
1210 SAVEGENERICSV(GvSV(PL_defgv)), \
1211 GvSV(PL_defgv) = NULL \
1212 )
414bf5ae
MHM		 1213#else
1214# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1215# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1216# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1217#endif
38a03e6e 1218
98eae8f5
GS		 1219#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1220
55497cff 1221#ifndef errno
5ff3f7a4
GS		 1222 extern int errno; /* ANSI allows errno to be an lvalue expr.
1223 * For example in multithreaded environments
1224 * something like this might happen:
1225 * extern int *_errno(void);
1226 * #define errno (*_errno()) */
d9d8d8de 1227#endif
663a0e37 1228
2304df62 1229#ifdef HAS_STRERROR
2242159b 1230#ifndef DONT_DECLARE_STD
a0d0e21e 1231# ifdef VMS
20ce7b12 1232 char *strerror (int,...);
a0d0e21e 1233# else
20ce7b12 1234 char *strerror (int);
a0d0e21e 1235# endif
2242159b 1236#endif
2304df62
AD		 1237# ifndef Strerror
1238# define Strerror strerror
1239# endif
1240#else
1241# ifdef HAS_SYS_ERRLIST
79072805
LW		 1242 extern int sys_nerr;
1243 extern char *sys_errlist[];
2304df62
AD		 1244# ifndef Strerror
1245# define Strerror(e) \
79072805 1246 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1247# endif
79072805 1248# endif
35c8bce7 1249#endif
663a0e37 1250
2304df62 1251#ifdef I_SYS_IOCTL
79072805
LW		 1252# ifndef _IOCTL_
1253# include <sys/ioctl.h>
1254# endif
a687059c
LW		 1255#endif
1256
ee0007ab 1257#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1258# ifdef HAS_SOCKETPAIR
1259# undef HAS_SOCKETPAIR
1260# endif
2304df62
AD		 1261# ifdef I_NDBM
1262# undef I_NDBM
79072805 1263# endif
a687059c
LW		 1264#endif
1265
02fc2eee
NC		 1266#ifndef HAS_SOCKETPAIR
1267# ifdef HAS_SOCKET
1268# define socketpair Perl_my_socketpair
1269# endif
1270#endif
1271
a687059c 1272#if INTSIZE == 2
79072805
LW		 1273# define htoni htons
1274# define ntohi ntohs
a687059c 1275#else
79072805
LW		 1276# define htoni htonl
1277# define ntohi ntohl
a687059c
LW		 1278#endif
1279
a0d0e21e 1280/* Configure already sets Direntry_t */
35c8bce7 1281#if defined(I_DIRENT)
663a0e37 1282# include <dirent.h>
8f1f23e8
W		 1283 /* NeXT needs dirent + sys/dir.h */
1284# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1285# include <sys/dir.h>
1286# endif
ae986130 1287#else
fe14fcc3 1288# ifdef I_SYS_NDIR
79a0689e 1289# include <sys/ndir.h>
663a0e37 1290# else
fe14fcc3 1291# ifdef I_SYS_DIR
79a0689e
LW		 1292# ifdef hp9000s500
1293# include <ndir.h> /* may be wrong in the future */
1294# else
1295# include <sys/dir.h>
1296# endif
663a0e37
LW		 1297# endif
1298# endif
4633a7c4 1299#endif
a687059c 1300
12ae5dfc
JH		 1301#ifdef PERL_MICRO
1302# ifndef DIR
1303# define DIR void
1304# endif
1305#endif
1306
352d5a3a
LW		 1307#ifdef FPUTS_BOTCH
1308/* work around botch in SunOS 4.0.1 and 4.0.2 */
1309# ifndef fputs
79072805 1310# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1311# endif
1312#endif
1313
c623bd54
LW		 1314/*
1315 * The following gobbledygook brought to you on behalf of __STDC__.
1316 * (I could just use #ifndef __STDC__, but this is more bulletproof
1317 * in the face of half-implementations.)
1318 */
1319
7114a2d2 1320#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1321#include <sys/mode.h>
1322#endif
1323
c623bd54
LW		 1324#ifndef S_IFMT
1325# ifdef _S_IFMT
1326# define S_IFMT _S_IFMT
1327# else
1328# define S_IFMT 0170000
1329# endif
1330#endif
1331
1332#ifndef S_ISDIR
1333# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1334#endif
1335
1336#ifndef S_ISCHR
1337# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1338#endif
1339
1340#ifndef S_ISBLK
fe14fcc3
LW		 1341# ifdef S_IFBLK
1342# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1343# else
1344# define S_ISBLK(m) (0)
1345# endif
c623bd54
LW		 1346#endif
1347
1348#ifndef S_ISREG
1349# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1350#endif
1351
1352#ifndef S_ISFIFO
fe14fcc3
LW		 1353# ifdef S_IFIFO
1354# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1355# else
1356# define S_ISFIFO(m) (0)
1357# endif
c623bd54
LW		 1358#endif
1359
1360#ifndef S_ISLNK
1361# ifdef _S_ISLNK
1362# define S_ISLNK(m) _S_ISLNK(m)
1363# else
1364# ifdef _S_IFLNK
1365# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1366# else
1367# ifdef S_IFLNK
1368# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1369# else
1370# define S_ISLNK(m) (0)
1371# endif
1372# endif
1373# endif
1374#endif
1375
1376#ifndef S_ISSOCK
1377# ifdef _S_ISSOCK
1378# define S_ISSOCK(m) _S_ISSOCK(m)
1379# else
1380# ifdef _S_IFSOCK
1381# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1382# else
1383# ifdef S_IFSOCK
1384# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1385# else
1386# define S_ISSOCK(m) (0)
1387# endif
1388# endif
1389# endif
1390#endif
1391
1392#ifndef S_IRUSR
1393# ifdef S_IREAD
1394# define S_IRUSR S_IREAD
1395# define S_IWUSR S_IWRITE
1396# define S_IXUSR S_IEXEC
1397# else
1398# define S_IRUSR 0400
1399# define S_IWUSR 0200
1400# define S_IXUSR 0100
1401# endif
fac7cdfc
JS		 1402#endif
1403
1404#ifndef S_IRGRP
1405# ifdef S_IRUSR
1406# define S_IRGRP (S_IRUSR>>3)
1407# define S_IWGRP (S_IWUSR>>3)
1408# define S_IXGRP (S_IXUSR>>3)
1409# else
1410# define S_IRGRP 0040
1411# define S_IWGRP 0020
1412# define S_IXGRP 0010
1413# endif
1414#endif
1415
1416#ifndef S_IROTH
1417# ifdef S_IRUSR
1418# define S_IROTH (S_IRUSR>>6)
1419# define S_IWOTH (S_IWUSR>>6)
1420# define S_IXOTH (S_IXUSR>>6)
1421# else
1422# define S_IROTH 0040
1423# define S_IWOTH 0020
1424# define S_IXOTH 0010
1425# endif
c623bd54
LW		 1426#endif
1427
1428#ifndef S_ISUID
1429# define S_ISUID 04000
1430#endif
1431
1432#ifndef S_ISGID
1433# define S_ISGID 02000
1434#endif
1435
ca6e1c26
JH		 1436#ifndef S_IRWXU
1437# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1438#endif
ca6e1c26
JH		 1439
1440#ifndef S_IRWXG
1441# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1442#endif
ca6e1c26
JH		 1443
1444#ifndef S_IRWXO
1445# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1446#endif
ca6e1c26 1447
b6c36746 1448/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1449 * which would get included through <sys/file.h >, but that is 3000
1450 * lines in the future. --jhi */
1451
b6c36746 1452#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1453# define S_IREAD S_IRUSR
1454#endif
1455
b6c36746 1456#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1457# define S_IWRITE S_IWUSR
1458#endif
1459
1460#ifndef S_IEXEC
1461# define S_IEXEC S_IXUSR
1462#endif
1463
79072805
LW		 1464#ifdef ff_next
1465# undef ff_next
352d5a3a
LW		 1466#endif
1467
a0d0e21e 1468#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1469# define SLOPPYDIVIDE
1470#endif
1471
748a9306
LW		 1472#ifdef UV
1473#undef UV
1474#endif
1475
ce582cee
NC		 1476/* For the times when you want the return value of sprintf, and you want it
1477 to be the length. Can't have a thread variable passed in, because C89 has
1478 no varargs macros.
1479*/
1480#ifdef SPRINTF_RETURNS_STRLEN
1481# define my_sprintf sprintf
1482#else
1483# define my_sprintf Perl_my_sprintf
1484#endif
1485
5b692037
JH		 1486/*
1487 * If we have v?snprintf() and the C99 variadic macros, we can just
1488 * use just the v?snprintf(). It is nice to try to trap the buffer
1489 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1490 * gcc statement expressions, then use the function wrappers which try
1491 * to trap the overflow. If we can use the gcc statement expressions,
1492 * we can try that even with the version that uses the C99 variadic
1493 * macros.
5b692037
JH		 1494 */
1495
1208b3dd
JH		 1496/* Note that we do not check against snprintf()/vsnprintf() returning
1497 * negative values because that is non-standard behaviour and we use
1498 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1499 * that should be true only if the snprintf()/vsnprintf() are true
1500 * to the standard. */
1501
dfeee9b1 1502#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1503# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1504# 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 1505# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1506# else
1507# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1508# endif
1509#else
1510# define my_snprintf Perl_my_snprintf
1208b3dd 1511# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH		 1512#endif
1513
dfeee9b1 1514#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1515# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1516# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1517# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH		 1518# else
1519# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1520# endif
1521#else
1522# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1523# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1524#endif
d9fad198 1525
a6cc4119
SP		 1526#ifdef HAS_STRLCAT
1527# define my_strlcat strlcat
1528#else
1529# define my_strlcat Perl_my_strlcat
1530#endif
1531
1532#ifdef HAS_STRLCPY
1533# define my_strlcpy strlcpy
1534#else
1535# define my_strlcpy Perl_my_strlcpy
1536#endif
1537
05f13f53 1538/*
27d4fb96 1539 The IV type is supposed to be long enough to hold any integral
1540 value or a pointer.
1541 --Andy Dougherty August 1996
1542*/
1543
a22e52b9
JH		 1544typedef IVTYPE IV;
1545typedef UVTYPE UV;
8175356b 1546
10cc9d2a 1547#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1548# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1549# define IV_MAX INT64_MAX
1550# define IV_MIN INT64_MIN
1551# define UV_MAX UINT64_MAX
cae7ae48
JH		 1552# ifndef UINT64_MIN
1553# define UINT64_MIN 0
1554# endif
5ff3f7a4
GS		 1555# define UV_MIN UINT64_MIN
1556# else
1557# define IV_MAX PERL_QUAD_MAX
1558# define IV_MIN PERL_QUAD_MIN
1559# define UV_MAX PERL_UQUAD_MAX
1560# define UV_MIN PERL_UQUAD_MIN
1561# endif
cf2093f6
JH		 1562# define IV_IS_QUAD
1563# define UV_IS_QUAD
79072805 1564#else
8175356b 1565# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1566# define IV_MAX INT32_MAX
1567# define IV_MIN INT32_MIN
716026f9
DL		 1568# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1569# define UV_MAX UINT32_MAX
1570# else
1571# define UV_MAX 4294967295U
1572# endif
cae7ae48
JH		 1573# ifndef UINT32_MIN
1574# define UINT32_MIN 0
1575# endif
5ff3f7a4
GS		 1576# define UV_MIN UINT32_MIN
1577# else
1578# define IV_MAX PERL_LONG_MAX
1579# define IV_MIN PERL_LONG_MIN
1580# define UV_MAX PERL_ULONG_MAX
1581# define UV_MIN PERL_ULONG_MIN
1582# endif
8175356b 1583# if IVSIZE == 8
cf2093f6
JH		 1584# define IV_IS_QUAD
1585# define UV_IS_QUAD
de1c2614
JH		 1586# ifndef HAS_QUAD
1587# define HAS_QUAD
1588# endif
cf2093f6
JH		 1589# else
1590# undef IV_IS_QUAD
1591# undef UV_IS_QUAD
de1c2614 1592# undef HAS_QUAD
cf2093f6 1593# endif
79072805 1594#endif
d7d93a81 1595
1109a392
MHM		 1596#ifndef HAS_QUAD
1597# undef PERL_NEED_MY_HTOLE64
1598# undef PERL_NEED_MY_LETOH64
1599# undef PERL_NEED_MY_HTOBE64
1600# undef PERL_NEED_MY_BETOH64
1601#endif
1602
cae7ae48 1603#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1604#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1605
28e5dec8 1606#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1607#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1608#endif
1609
d460ef45 1610/*
26bb67e2
JH		 1611 * The macros INT2PTR and NUM2PTR are (despite their names)
1612 * bi-directional: they will convert int/float to or from pointers.
1613 * However the conversion to int/float are named explicitly:
1614 * PTR2IV, PTR2UV, PTR2NV.
1615 *
1616 * For int conversions we do not need two casts if pointers are
1617 * the same size as IV and UV. Otherwise we need an explicit
1618 * cast (PTRV) to avoid compiler warnings.
1619 */
56431972
RB		 1620#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1621# define PTRV UV
1622# define INT2PTR(any,d) (any)(d)
1623#else
d460ef45 1624# if PTRSIZE == LONGSIZE
56431972 1625# define PTRV unsigned long
e91e3b10 1626# define PTR2ul(p) (unsigned long)(p)
42718184 1627# else
56431972 1628# define PTRV unsigned
42718184 1629# endif
e91e3b10
RB		 1630#endif
1631
1632#ifndef INT2PTR
56431972 1633# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1634#endif
e91e3b10
RB		 1635
1636#ifndef PTR2ul
1637# define PTR2ul(p) INT2PTR(unsigned long,p)
1638#endif
1639
56431972
RB		 1640#define NUM2PTR(any,d) (any)(PTRV)(d)
1641#define PTR2IV(p) INT2PTR(IV,p)
1642#define PTR2UV(p) INT2PTR(UV,p)
1643#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1644#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1645
8141890a
JH		 1646/* According to strict ANSI C89 one cannot freely cast between
1647 * data pointers and function (code) pointers. There are at least
1648 * two ways around this. One (used below) is to do two casts,
1649 * first the other pointer to an (unsigned) integer, and then
1650 * the integer to the other pointer. The other way would be
1651 * to use unions to "overlay" the pointers. For an example of
1652 * the latter technique, see union dirpu in struct xpvio in sv.h.
1653 * The only feasible use is probably temporarily storing
1654 * function pointers in a data pointer (such as a void pointer). */
1655
e91e3b10
RB		 1656#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1657#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1658
65202027 1659#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1660# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1661# define LONG_DOUBLE_EQUALS_DOUBLE
1662# endif
68d4903c 1663# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1664# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1665# endif
1666#endif
1667
2d4389e4
JH		 1668#ifdef OVR_DBL_DIG
1669/* Use an overridden DBL_DIG */
1670# ifdef DBL_DIG
1671# undef DBL_DIG
1672# endif
1673# define DBL_DIG OVR_DBL_DIG
1674#else
1675/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1676 default value for printing floating point numbers in Gconvert
1677 (see config.h). (It also has other uses, such as figuring out if
1678 a given precision of printing can be done with a double instead of
1679 a long double - Allen).
2d4389e4
JH		 1680*/
1681#ifdef I_LIMITS
1682#include <limits.h>
1683#endif
1684#ifdef I_FLOAT
1685#include <float.h>
1686#endif
1687#ifndef HAS_DBL_DIG
1688#define DBL_DIG 15 /* A guess that works lots of places */
1689#endif
1690#endif
1691
1692#ifdef OVR_LDBL_DIG
1693/* Use an overridden LDBL_DIG */
1694# ifdef LDBL_DIG
1695# undef LDBL_DIG
1696# endif
1697# define LDBL_DIG OVR_LDBL_DIG
1698#else
1699/* The following is all to get LDBL_DIG, in order to pick a nice
1700 default value for printing floating point numbers in Gconvert.
1701 (see config.h)
1702*/
68d4903c
JH		 1703# ifdef I_LIMITS
1704# include <limits.h>
1705# endif
1706# ifdef I_FLOAT
1707# include <float.h>
1708# endif
1709# ifndef HAS_LDBL_DIG
1710# if LONG_DOUBLESIZE == 10
1711# define LDBL_DIG 18 /* assume IEEE */
1712# else
1713# if LONG_DOUBLESIZE == 12
1714# define LDBL_DIG 18 /* gcc? */
1715# else
1716# if LONG_DOUBLESIZE == 16
1717# define LDBL_DIG 33 /* assume IEEE */
1718# else
1719# if LONG_DOUBLESIZE == DOUBLESIZE
1720# define LDBL_DIG DBL_DIG /* bummer */
1721# endif
1722# endif
1723# endif
1724# endif
1725# endif
2d4389e4
JH		 1726#endif
1727
20f6aaab
AS		 1728/*
1729 * This is for making sure we have a good DBL_MAX value, if possible,
1730 * either for usage as NV_MAX or for usage in figuring out if we can
1731 * fit a given long double into a double, if bug-fixing makes it
1732 * necessary to do so. - Allen <allens@cpan.org>
1733 */
1734
205f51d8
AS		 1735#ifdef I_LIMITS
1736# include <limits.h>
20f6aaab
AS		 1737#endif
1738
205f51d8
AS		 1739#ifdef I_VALUES
1740# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1741# include <values.h>
1742# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1743# define DBL_MAX MAXDOUBLE
1744# endif
1745# if defined(MINDOUBLE) && !defined(DBL_MIN)
1746# define DBL_MIN MINDOUBLE
1747# endif
1748# endif
1749#endif /* defined(I_VALUES) */
1750
a22e52b9 1751typedef NVTYPE NV;
8175356b 1752
792d8dab
JH		 1753#ifdef I_IEEEFP
1754# include <ieeefp.h>
1755#endif
923fc586 1756
65202027 1757#ifdef USE_LONG_DOUBLE
923fc586
JH		 1758# ifdef I_SUNMATH
1759# include <sunmath.h>
1760# endif
2d4389e4 1761# define NV_DIG LDBL_DIG
d6c14000
JH		 1762# ifdef LDBL_MANT_DIG
1763# define NV_MANT_DIG LDBL_MANT_DIG
1764# endif
06fc1729
JH		 1765# ifdef LDBL_MIN
1766# define NV_MIN LDBL_MIN
1767# endif
1768# ifdef LDBL_MAX
1769# define NV_MAX LDBL_MAX
1770# endif
1771# ifdef LDBL_MIN_10_EXP
1772# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1773# endif
1774# ifdef LDBL_MAX_10_EXP
1775# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1776# endif
1777# ifdef LDBL_EPSILON
1778# define NV_EPSILON LDBL_EPSILON
1779# endif
f4a14a62
JH		 1780# ifdef LDBL_MAX
1781# define NV_MAX LDBL_MAX
20f6aaab 1782/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1783# else
1784# ifdef HUGE_VALL
1785# define NV_MAX HUGE_VALL
1786# else
1787# ifdef HUGE_VAL
1788# define NV_MAX ((NV)HUGE_VAL)
1789# endif
1790# endif
1791# endif
68d4903c 1792# ifdef HAS_SQRTL
68d4903c
JH		 1793# define Perl_cos cosl
1794# define Perl_sin sinl
1795# define Perl_sqrt sqrtl
1796# define Perl_exp expl
1797# define Perl_log logl
1798# define Perl_atan2 atan2l
1799# define Perl_pow powl
1800# define Perl_floor floorl
1bbae031 1801# define Perl_ceil ceill
68d4903c
JH		 1802# define Perl_fmod fmodl
1803# endif
a3540c92
JH		 1804/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1805# ifdef HAS_MODFL
1806# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1807/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1808 prototype in <math.h> */
1809# ifndef HAS_MODFL_PROTO
a221a8a5 1810EXTERN_C long double modfl(long double, long double *);
51997bc3 1811# endif
03476e8e
JH		 1812# else
1813# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1814 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1815# define Perl_modf(x,y) Perl_my_modfl(x,y)
1816# endif
a3540c92
JH		 1817# endif
1818# ifdef HAS_FREXPL
dff3e0b8 1819# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1820# else
1821# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1822 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1823# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1824# endif
a3540c92 1825# endif
38dbb4c5 1826# ifndef Perl_isnan
758a5d79
JH		 1827# ifdef HAS_ISNANL
1828# define Perl_isnan(x) isnanl(x)
1829# endif
1830# endif
1831# ifndef Perl_isinf
1832# ifdef HAS_FINITEL
1833# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1834# endif
1835# endif
65202027 1836#else
2d4389e4 1837# define NV_DIG DBL_DIG
d6c14000
JH		 1838# ifdef DBL_MANT_DIG
1839# define NV_MANT_DIG DBL_MANT_DIG
1840# endif
06fc1729
JH		 1841# ifdef DBL_MIN
1842# define NV_MIN DBL_MIN
1843# endif
1844# ifdef DBL_MAX
1845# define NV_MAX DBL_MAX
1846# endif
1847# ifdef DBL_MIN_10_EXP
1848# define NV_MIN_10_EXP DBL_MIN_10_EXP
1849# endif
1850# ifdef DBL_MAX_10_EXP
1851# define NV_MAX_10_EXP DBL_MAX_10_EXP
1852# endif
1853# ifdef DBL_EPSILON
1854# define NV_EPSILON DBL_EPSILON
1855# endif
205f51d8 1856# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1857# define NV_MAX DBL_MAX
1858# define NV_MIN DBL_MIN
1859# else
1860# ifdef HUGE_VAL
1861# define NV_MAX HUGE_VAL
1862# endif
1863# endif
65202027
DS		 1864# define Perl_cos cos
1865# define Perl_sin sin
1866# define Perl_sqrt sqrt
1867# define Perl_exp exp
1868# define Perl_log log
1869# define Perl_atan2 atan2
1870# define Perl_pow pow
1871# define Perl_floor floor
1bbae031 1872# define Perl_ceil ceil
65202027 1873# define Perl_fmod fmod
a3540c92 1874# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1875# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1876#endif
1877
1878/* rumor has it that Win32 has _fpclass() */
1879
205f51d8
AS		 1880/* SGI has fpclassl... but not with the same result values,
1881 * and it's via a typedef (not via #define), so will need to redo Configure
1882 * to use. Not worth the trouble, IMO, at least until the below is used
1883 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1884 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1885 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1886
758a5d79
JH		 1887#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1888# ifdef I_IEEFP
1889# include <ieeefp.h>
1890# endif
1891# ifdef I_FP
1892# include <fp.h>
1893# endif
1894# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1895# define Perl_fp_class() fpclassl(x)
1896# else
1897# define Perl_fp_class() fpclass(x)
1898# endif
1899# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1900# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1901# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1902# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1903# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1904# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1905# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1906# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1907# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1908# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1909# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1910# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1911# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1912# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1913# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1914#endif
1915
7114a2d2 1916#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1917# include <math.h>
1918# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1919# include <fp_class.h>
1920# endif
1921# define Perl_fp_class(x) fp_class(x)
1922# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1923# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1924# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1925# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1926# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1927# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1928# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1929# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1930# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1931# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1932# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1933# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1934# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1935# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1936# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1937#endif
1938
1939#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1940# include <math.h>
1941# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1942# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1943# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1944# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1945# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1946# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1947#endif
1948
1949#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1950# include <math.h>
1951# ifndef _cplusplus
1952# define Perl_fp_class(x) class(x)
1953# else
1954# define Perl_fp_class(x) _class(x)
1955# endif
1956# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1957# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1958# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1959# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1960# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1961# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1962# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1963# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1964# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1965# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1966# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1967# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1968# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1969# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1970# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1971#endif
1972
1973/* rumor has it that Win32 has _isnan() */
1974
1975#ifndef Perl_isnan
a3540c92 1976# ifdef HAS_ISNAN
758a5d79
JH		 1977# define Perl_isnan(x) isnan((NV)x)
1978# else
1979# ifdef Perl_fp_class_nan
1980# define Perl_isnan(x) Perl_fp_class_nan(x)
1981# else
1982# ifdef HAS_UNORDERED
1983# define Perl_isnan(x) unordered((x), 0.0)
1984# else
1985# define Perl_isnan(x) ((x)!=(x))
1986# endif
1987# endif
1988# endif
1989#endif
1990
ca6c63e1
JH		 1991#ifdef UNDER_CE
1992int isnan(double d);
1993#endif
1994
758a5d79
JH		 1995#ifndef Perl_isinf
1996# ifdef HAS_ISINF
1997# define Perl_isinf(x) isinf((NV)x)
a3540c92 1998# else
758a5d79
JH		 1999# ifdef Perl_fp_class_inf
2000# define Perl_isinf(x) Perl_fp_class_inf(x)
2001# else
2002# define Perl_isinf(x) ((x)==NV_INF)
2003# endif
2004# endif
2005#endif
2006
2007#ifndef Perl_isfinite
2008# ifdef HAS_FINITE
2009# define Perl_isfinite(x) finite((NV)x)
2010# else
2011# ifdef HAS_ISFINITE
2012# define Perl_isfinite(x) isfinite(x)
2013# else
2014# ifdef Perl_fp_class_finite
2015# define Perl_isfinite(x) Perl_fp_class_finite(x)
2016# else
2017# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2018# endif
2019# endif
a3540c92 2020# endif
65202027
DS		 2021#endif
2022
a36244b7
JH		 2023/* The default is to use Perl's own atof() implementation (in numeric.c).
2024 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2025 * it is however best to use the native implementation of atof.
2026 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2027 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2028 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2029 * you may need to be using a different function than atof! */
a36244b7
JH		 2030
2031#ifndef USE_PERL_ATOF
2032# ifndef _UNICOS
2033# define USE_PERL_ATOF
2034# endif
2035#else
2036# if USE_PERL_ATOF == 0
2037# undef USE_PERL_ATOF
2038# endif
2039#endif
2040
2041#ifdef USE_PERL_ATOF
2042# define Perl_atof(s) Perl_my_atof(s)
2043# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2044#else
2045# define Perl_atof(s) (NV)atof(s)
2046# define Perl_atof2(s, n) ((n) = atof(s))
2047#endif
cf2093f6 2048
d460ef45 2049/* Previously these definitions used hardcoded figures.
760ac839
LW		 2050 * It is hoped these formula are more portable, although
2051 * no data one way or another is presently known to me.
2052 * The "PERL_" names are used because these calculated constants
2053 * do not meet the ANSI requirements for LONG_MAX, etc., which
2054 * need to be constants acceptable to #if - kja
2055 * define PERL_LONG_MAX 2147483647L
2056 * define PERL_LONG_MIN (-LONG_MAX - 1)
2057 * define PERL ULONG_MAX 4294967295L
2058 */
2059
2060#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2061# include <limits.h>
760ac839 2062#endif
205f51d8 2063/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2064 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2065
99abf803 2066/*
2067 * Try to figure out max and min values for the integral types. THE CORRECT
2068 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2069 * following hacks are used if neither limits.h or values.h provide them:
2070 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2071 * for types < int: (unsigned TYPE)~(unsigned)0
2072 * The argument to ~ must be unsigned so that later signed->unsigned
2073 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2074 * and it must not be smaller than int because ~ does integral promotion.
2075 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2076 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2077 * The latter is a hack which happens to work on some machines but
2078 * does *not* catch any random system, or things like integer types
2079 * with NaN if that is possible.
2080 *
2081 * All of the types are explicitly cast to prevent accidental loss of
2082 * numeric range, and in the hope that they will be less likely to confuse
2083 * over-eager optimizers.
2084 *
2085 */
27d4fb96 2086
99abf803 2087#define PERL_UCHAR_MIN ((unsigned char)0)
2088
2089#ifdef UCHAR_MAX
2090# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2091#else
99abf803 2092# ifdef MAXUCHAR
2093# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2094# else
99abf803 2095# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2096# endif
2097#endif
d460ef45 2098
99abf803 2099/*
2100 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2101 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2102 * depending on local options. Until Configure detects this (or at least
2103 * detects whether the "signed" keyword is available) the CHAR ranges
2104 * will not be included. UCHAR functions normally.
2105 * - kja
2106 */
27d4fb96 2107
99abf803 2108#define PERL_USHORT_MIN ((unsigned short)0)
2109
2110#ifdef USHORT_MAX
2111# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2112#else
99abf803 2113# ifdef MAXUSHORT
2114# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2115# else
ef2f54b0
CB		 2116# ifdef USHRT_MAX
2117# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2118# else
2119# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2120# endif
27d4fb96 2121# endif
2122#endif
2123
27d4fb96 2124#ifdef SHORT_MAX
99abf803 2125# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2126#else
2127# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2128# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2129# else
ef2f54b0
CB		 2130# ifdef SHRT_MAX
2131# define PERL_SHORT_MAX ((short)SHRT_MAX)
2132# else
2133# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2134# endif
27d4fb96 2135# endif
2136#endif
2137
2138#ifdef SHORT_MIN
99abf803 2139# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2140#else
2141# ifdef MINSHORT
99abf803 2142# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2143# else
ef2f54b0
CB		 2144# ifdef SHRT_MIN
2145# define PERL_SHORT_MIN ((short)SHRT_MIN)
2146# else
2147# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2148# endif
27d4fb96 2149# endif
2150#endif
2151
99abf803 2152#ifdef UINT_MAX
2153# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2154#else
99abf803 2155# ifdef MAXUINT
2156# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2157# else
99abf803 2158# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2159# endif
2160#endif
2161
99abf803 2162#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2163
2164#ifdef INT_MAX
99abf803 2165# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2166#else
2167# ifdef MAXINT /* Often used in <values.h> */
99abf803 2168# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2169# else
99abf803 2170# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2171# endif
2172#endif
2173
2174#ifdef INT_MIN
99abf803 2175# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2176#else
2177# ifdef MININT
99abf803 2178# define PERL_INT_MIN ((int)MININT)
27d4fb96 2179# else
2180# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2181# endif
2182#endif
2183
99abf803 2184#ifdef ULONG_MAX
2185# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2186#else
99abf803 2187# ifdef MAXULONG
2188# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2189# else
99abf803 2190# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2191# endif
2192#endif
2193
99abf803 2194#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2195
760ac839 2196#ifdef LONG_MAX
99abf803 2197# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2198#else
2199# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2200# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2201# else
99abf803 2202# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2203# endif
2204#endif
2205
2206#ifdef LONG_MIN
99abf803 2207# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2208#else
2209# ifdef MINLONG
99abf803 2210# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2211# else
27d4fb96 2212# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2213# endif
2214#endif
2215
d7d93a81 2216#ifdef UV_IS_QUAD
99abf803 2217
99abf803 2218# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2219# define PERL_UQUAD_MIN ((UV)0)
99abf803 2220# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2221# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2222
79072805
LW		 2223#endif
2224
830247a4 2225struct RExC_state_t;
8e11feef 2226struct _reg_trie_data;
880b20b6 2227
ee0007ab 2228typedef MEM_SIZE STRLEN;
450a55e4 2229
598921a7
NC		 2230#ifdef PERL_MAD
2231typedef struct token TOKEN;
2232typedef struct madprop MADPROP;
2233typedef struct nexttoken NEXTTOKE;
2234#endif
79072805
LW		 2235typedef struct op OP;
2236typedef struct cop COP;
2237typedef struct unop UNOP;
2238typedef struct binop BINOP;
2239typedef struct listop LISTOP;
2240typedef struct logop LOGOP;
79072805
LW		 2241typedef struct pmop PMOP;
2242typedef struct svop SVOP;
7934575e 2243typedef struct padop PADOP;
79072805 2244typedef struct pvop PVOP;
79072805
LW		 2245typedef struct loop LOOP;
2246
7aef8e5b 2247#ifdef PERL_CORE
8be227ab
FC		 2248typedef struct opslab OPSLAB;
2249typedef struct opslot OPSLOT;
2250#endif
2251
52db365a 2252typedef struct block_hooks BHK;
1830b3d9 2253typedef struct custom_op XOP;
52db365a 2254
cd1541b2
NC		 2255typedef struct interpreter PerlInterpreter;
2256
d2b3f365 2257/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2258#if defined(__sgi)
d2b3f365 2259# define STRUCT_SV perl_sv
b8d3c5db
JH		 2260#else
2261# define STRUCT_SV sv
2262#endif
2263typedef struct STRUCT_SV SV;
79072805
LW		 2264typedef struct av AV;
2265typedef struct hv HV;
2266typedef struct cv CV;
d2f13c59 2267typedef struct p5rx REGEXP;
79072805 2268typedef struct gp GP;
0c30d9ec 2269typedef struct gv GV;
8990e307 2270typedef struct io IO;
c09156bb 2271typedef struct context PERL_CONTEXT;
79072805
LW		 2272typedef struct block BLOCK;
2273
2274typedef struct magic MAGIC;
2275typedef struct xpv XPV;
2276typedef struct xpviv XPVIV;
ff68c719 2277typedef struct xpvuv XPVUV;
79072805
LW		 2278typedef struct xpvnv XPVNV;
2279typedef struct xpvmg XPVMG;
2280typedef struct xpvlv XPVLV;
2281typedef struct xpvav XPVAV;
2282typedef struct xpvhv XPVHV;
2283typedef struct xpvgv XPVGV;
2284typedef struct xpvcv XPVCV;
2285typedef struct xpvbm XPVBM;
2286typedef struct xpvfm XPVFM;
8990e307 2287typedef struct xpvio XPVIO;
79072805
LW		 2288typedef struct mgvtbl MGVTBL;
2289typedef union any ANY;
5f7fde29
GS		 2290typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2291typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2292typedef struct clone_params CLONE_PARAMS;
2293
35e035cc 2294/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2295 * so hide the type. */
2296typedef struct padlist PADLIST;
67634234 2297typedef AV PAD;
35e035cc
FC		 2298typedef AV PADNAMELIST;
2299typedef SV PADNAME;
67634234 2300
13b0f67d
DM		 2301/* enable PERL_NEW_COPY_ON_WRITE by default */
2302#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2303# define PERL_NEW_COPY_ON_WRITE
2304#endif
07d01d6e 2305
db2c6cb3
FC		 2306#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2307# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2308# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2309# else
2310# define PERL_ANY_COW
2311# endif
9f351b45
DM		 2312#else
2313# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2314#endif
2315
378cc40b 2316#include "handy.h"
a0d0e21e 2317
6b8eaf93 2318#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2319# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2320# define USE_64_BIT_RAWIO /* implicit */
2321# endif
4564133c
JH		 2322#endif
2323
6b8eaf93
JH		 2324/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2325 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2326 * however, because operating systems like to do that themself. */
2327#ifndef FSEEKSIZE
2328# ifdef HAS_FSEEKO
2329# define FSEEKSIZE LSEEKSIZE
2330# else
2331# define FSEEKSIZE LONGSIZE
d460ef45 2332# endif
6b8eaf93
JH		 2333#endif
2334
2335#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2336# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2337# define USE_64_BIT_STDIO /* implicit */
2338# endif
2339#endif
4564133c 2340
09458382 2341#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2342# ifdef HAS_OFF64_T
2343# undef Off_t
2344# define Off_t off64_t
2345# undef LSEEKSIZE
2346# define LSEEKSIZE 8
5ff3f7a4 2347# endif
d9b3e12d
JH		 2348/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2349 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2350 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2351# if defined(USE_OPEN64)
2352# define open open64
5ff3f7a4 2353# endif
d9b3e12d
JH		 2354# if defined(USE_LSEEK64)
2355# define lseek lseek64
6b8eaf93
JH		 2356# else
2357# if defined(USE_LLSEEK)
2358# define lseek llseek
2359# endif
d9b3e12d
JH		 2360# endif
2361# if defined(USE_STAT64)
2362# define stat stat64
2363# endif
2364# if defined(USE_FSTAT64)
2365# define fstat fstat64
2366# endif
2367# if defined(USE_LSTAT64)
2368# define lstat lstat64
2369# endif
2370# if defined(USE_FLOCK64)
2371# define flock flock64
2372# endif
2373# if defined(USE_LOCKF64)
2374# define lockf lockf64
2375# endif
2376# if defined(USE_FCNTL64)
2377# define fcntl fcntl64
2378# endif
2379# if defined(USE_TRUNCATE64)
2380# define truncate truncate64
2381# endif
2382# if defined(USE_FTRUNCATE64)
2383# define ftruncate ftruncate64
2384# endif
2385#endif
2386
2387#ifdef USE_64_BIT_STDIO
2388# ifdef HAS_FPOS64_T
2389# undef Fpos_t
2390# define Fpos_t fpos64_t
2391# endif
2392/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2393 * will trigger defines like the ones below. Some 64-bit environments,
2394 * however, do not. */
2395# if defined(USE_FOPEN64)
2396# define fopen fopen64
2397# endif
2398# if defined(USE_FSEEK64)
6b8eaf93 2399# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2400# endif
2401# if defined(USE_FTELL64)
6b8eaf93 2402# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2403# endif
2404# if defined(USE_FSETPOS64)
2405# define fsetpos fsetpos64
2406# endif
2407# if defined(USE_FGETPOS64)
2408# define fgetpos fgetpos64
2409# endif
2410# if defined(USE_TMPFILE64)
2411# define tmpfile tmpfile64
2412# endif
2413# if defined(USE_FREOPEN64)
2414# define freopen freopen64
5ff3f7a4
GS		 2415# endif
2416#endif
2417
e37778c2 2418#if defined(OS2)
2c2d71f5
JH		 2419# include "iperlsys.h"
2420#endif
2421
748a9306 2422#ifdef DOSISH
19848b3f
JH		 2423# if defined(OS2)
2424# include "os2ish.h"
2425# else
2426# include "dosish.h"
2427# endif
2428# define ISHISH "dos"
2429#endif
2430
2431#if defined(VMS)
748a9306 2432# include "vmsish.h"
19848b3f
JH		 2433# define ISHISH "vms"
2434#endif
2435
2436#if defined(PLAN9)
2437# include "./plan9/plan9ish.h"
2438# define ISHISH "plan9"
2439#endif
2440
19848b3f 2441#if defined(__VOS__)
196918b0
PG		 2442# ifdef __GNUC__
2443# include "./vos/vosish.h"
2444# else
2445# include "vos/vosish.h"
2446# endif
19848b3f
JH		 2447# define ISHISH "vos"
2448#endif
2449
9969cdde 2450#ifdef __SYMBIAN32__
27da23d5 2451# include "symbian/symbianish.h"
27da23d5
JH		 2452# define ISHISH "symbian"
2453#endif
2454
19848b3f 2455
df00ff3b
IW		 2456#if defined(__HAIKU__)
2457# include "haiku/haikuish.h"
2458# define ISHISH "haiku"
efca5cc6
JH		 2459#endif
2460
19848b3f
JH		 2461#ifndef ISHISH
2462# include "unixish.h"
2463# define ISHISH "unix"
13b6e58c
JH		 2464#endif
2465
2946a158
JH		 2466/* NSIG logic from Configure --> */
2467/* Strange style to avoid deeply-nested #if/#else/#endif */
2468#ifndef NSIG
2469# ifdef _NSIG
2470# define NSIG (_NSIG)
2471# endif
2472#endif
2473
2474#ifndef NSIG
2475# ifdef SIGMAX
2476# define NSIG (SIGMAX+1)
2477# endif
2478#endif
2479
2480#ifndef NSIG
2481# ifdef SIG_MAX
2482# define NSIG (SIG_MAX+1)
2483# endif
2484#endif
2485
2486#ifndef NSIG
2487# ifdef _SIG_MAX
2488# define NSIG (_SIG_MAX+1)
2489# endif
2490#endif
2491
2492#ifndef NSIG
2493# ifdef MAXSIG
2494# define NSIG (MAXSIG+1)
2495# endif
2496#endif
2497
2498#ifndef NSIG
2499# ifdef MAX_SIG
2500# define NSIG (MAX_SIG+1)
2501# endif
2502#endif
2503
2504#ifndef NSIG
2505# ifdef SIGARRAYSIZE
2506# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2507# endif
2508#endif
2509
2510#ifndef NSIG
2511# ifdef _sys_nsig
2512# define NSIG (_sys_nsig) /* Solaris 2.5 */
2513# endif
2514#endif
2515
2516/* Default to some arbitrary number that's big enough to get most
2517 of the common signals.
2518*/
2519#ifndef NSIG
2520# define NSIG 50
2521#endif
2522/* <-- NSIG logic from Configure */
2523
13b6e58c
JH		 2524#ifndef NO_ENVIRON_ARRAY
2525# define USE_ENVIRON_ARRAY
2526#endif
32f822de 2527
c77b533b
JH		 2528/*
2529 * initialise to avoid floating-point exceptions from overflow, etc
2530 */
2531#ifndef PERL_FPU_INIT
2532# ifdef HAS_FPSETMASK
2533# if HAS_FLOATINGPOINT_H
2534# include <floatingpoint.h>
2535# endif
ad3a8c67
NC		 2536/* Some operating systems have this as a macro, which in turn expands to a comma
2537 expression, and the last sub-expression is something that gets calculated,
2538 and then they have the gall to warn that a value computed is not used. Hence
2539 cast to void. */
2540# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2541# else
2f42fcb0 2542# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2543# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2544# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2545# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2546# else
2547# define PERL_FPU_INIT
2f42fcb0 2548
7014c407 2549# endif
c77b533b
JH		 2550# endif
2551#endif
b35112e7
CS		 2552#ifndef PERL_FPU_PRE_EXEC
2553# define PERL_FPU_PRE_EXEC {
2554# define PERL_FPU_POST_EXEC }
2555#endif
c77b533b 2556
cbec8ebe
DM		 2557#ifndef PERL_SYS_INIT3_BODY
2558# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2559#endif
2560
eb533572 2561/*
4ad9e498 2562=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM		 2563Provides system-specific tune up of the C runtime environment necessary to
2564run Perl interpreters. This should be called only once, before creating
2565any Perl interpreters.
2566
4ad9e498 2567=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM		 2568Provides system-specific tune up of the C runtime environment necessary to
2569run Perl interpreters. This should be called only once, before creating
2570any Perl interpreters.
2571
2572=for apidoc Am|void|PERL_SYS_TERM|
2573Provides system-specific clean up of the C runtime environment after
2574running Perl interpreters. This should be called only once, after
2575freeing any remaining Perl interpreters.
2576
2577=cut
2578 */
2579
cbec8ebe
DM		 2580#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2581#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2582#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2583
be708cc0
JH		 2584#ifndef PERL_WRITE_MSG_TO_CONSOLE
2585# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2586#endif
2587
0f31cffe
GS		 2588#ifndef MAXPATHLEN
2589# ifdef PATH_MAX
b990c8b2
JH		 2590# ifdef _POSIX_PATH_MAX
2591# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2592/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2593 * included the null byte or not. Later amendments of POSIX,
2594 * XPG4, the Austin Group, and the Single UNIX Specification
2595 * all explicitly include the null byte in the PATH_MAX.
2596 * Ditto for _POSIX_PATH_MAX. */
2597# define MAXPATHLEN PATH_MAX
b990c8b2 2598# else
09448d78 2599# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2600# endif
2601# else
2602# define MAXPATHLEN (PATH_MAX+1)
2603# endif
0f31cffe 2604# else
d552bce8 2605# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2606# endif
2607#endif
2608
c80263a8
SH		 2609/* In case Configure was not used (we are using a "canned config"
2610 * such as Win32, or a cross-compilation setup, for example) try going
2611 * by the gcc major and minor versions. One useful URL is
2612 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2613 * but contrary to this information warn_unused_result seems
2614 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2615 * Also, when building extensions with an installed perl, this allows
2616 * the user to upgrade gcc and get the right attributes, rather than
2617 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2618 * Set these up now otherwise we get confused when some of the <*thread.h>
2619 * includes below indirectly pull in <perlio.h> (which needs to know if we
2620 * have HASATTRIBUTE_FORMAT).
2621 */
2622
4d7c7898 2623#ifndef PERL_MICRO
fc2007d4 2624#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2625# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2626# define HASATTRIBUTE_DEPRECATED
2627# endif
c80263a8
SH		 2628# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2629# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2630# if defined __MINGW32__
2631# define PRINTF_FORMAT_NULL_OK
2632# endif
c80263a8
SH		 2633# endif
2634# if __GNUC__ >= 3 /* 3.0 -> */
2635# define HASATTRIBUTE_MALLOC
2636# endif
2637# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2638# define HASATTRIBUTE_NONNULL
2639# endif
2640# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2641# define HASATTRIBUTE_NORETURN
2642# endif
2643# if __GNUC__ >= 3 /* gcc 3.0 -> */
2644# define HASATTRIBUTE_PURE
2645# endif
42bf5550 2646# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 2647# define HASATTRIBUTE_UNUSED
2648# endif
d324fe49
AD		 2649# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2650# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2651# endif
c80263a8
SH		 2652# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2653# define HASATTRIBUTE_WARN_UNUSED_RESULT
2654# endif
2655#endif
00f254e2 2656#endif /* #ifndef PERL_MICRO */
c80263a8 2657
3db8f154 2658/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2659 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2660 * this results in many functions being undeclared which bothers C++
2661 * May make sense to have threads after "*ish.h" anyway
2662 */
2663
3db8f154 2664#if defined(USE_ITHREADS)
2986a63f
JH		 2665# ifdef NETWARE
2666# include <nw5thread.h>
2667# else
32f822de
GS		 2668# ifdef WIN32
2669# include <win32thread.h>
2670# else
dd96f567
IZ		 2671# ifdef OS2
2672# include "os2thread.h"
2673# else
7f3d1cf1 2674# ifdef I_MACH_CTHREADS
bdd66968 2675# include <mach/cthreads.h>
8f1f23e8 2676# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2677# define MUTEX_INIT_CALLS_MALLOC
2678# endif
7f3d1cf1
BH		 2679typedef cthread_t perl_os_thread;
2680typedef mutex_t perl_mutex;
2681typedef condition_t perl_cond;
2682typedef void * perl_key;
2683# else /* Posix threads */
1f5ae88c
JH		 2684# ifdef I_PTHREAD
2685# include <pthread.h>
2686# endif
7f3d1cf1
BH		 2687typedef pthread_t perl_os_thread;
2688typedef pthread_mutex_t perl_mutex;
2689typedef pthread_cond_t perl_cond;
2690typedef pthread_key_t perl_key;
2691# endif /* I_MACH_CTHREADS */
dd96f567 2692# endif /* OS2 */
32f822de 2693# endif /* WIN32 */
ef4abe76 2694# endif /* NETWARE */
3db8f154 2695#endif /* USE_ITHREADS */
c5be433b 2696
66a93824 2697#if defined(WIN32)
1feb2720 2698# include "win32.h"
c5be433b
GS		 2699#endif
2700
2986a63f
JH		 2701#ifdef NETWARE
2702# include "netware.h"
2703#endif
2704
e5218da5 2705#define STATUS_UNIX PL_statusvalue
68dc0745 2706#ifdef VMS
6b88bc9c 2707# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2708/*
2709 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2710 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2711 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2712 * be updated also.
2713 */
2714# include <stsdef.h>
2715# include <ssdef.h>
2716/* Presume this because if VMS changes it, it will require a new
2717 * set of APIs for waiting on children for binary compatibility.
2718 */
2719# define child_offset_bits (8)
2720# ifndef C_FAC_POSIX
2721# define C_FAC_POSIX 0x35A000
2722# endif
2723
2724/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2725 * platform from the existing UNIX or Native status values.
2726 */
2727
37038d91 2728# define STATUS_EXIT \
7a7fd8e0
JM		 2729 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2730 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2731
7a7fd8e0 2732
fb38d079
JM		 2733/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2734 * exit code and shifts the UNIX value over the correct number of bits to
2735 * be a child status. Usually the number of bits is 8, but that could be
2736 * platform dependent. The NATIVE status code is presumed to have either
2737 * from a child process.
7a7fd8e0
JM		 2738 */
2739
fb38d079
JM		 2740/* This is complicated. The child processes return a true native VMS
2741 status which must be saved. But there is an assumption in Perl that
2742 the UNIX child status has some relationship to errno values, so
00f254e2 2743 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 2744 In order to get the string translation correct, for the error, errno
2745 must be EVMSERR, but that generates a different text message
2746 than what the test programs are expecting. So an errno value must
2747 be derived from the native status value when an error occurs.
2748 That will hide the true native status message. With this version of
2749 perl, the true native child status can always be retrieved so that
2750 is not a problem. But in this case, Pl_statusvalue and errno may
2751 have different values in them.
2752 */
7a7fd8e0 2753
fb38d079 2754# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2755 STMT_START { \
2fbb330f
JM		 2756 I32 evalue = (I32)n; \
2757 if (evalue == EVMSERR) { \
2758 PL_statusvalue_vms = vaxc$errno; \
2759 PL_statusvalue = evalue; \
7a7fd8e0 2760 } else { \
2fbb330f 2761 PL_statusvalue_vms = evalue; \
fb38d079 2762 if (evalue == -1) { \
3280af22 2763 PL_statusvalue = -1; \
7a7fd8e0
JM		 2764 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2765 } else \
fb38d079 2766 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2767 set_vaxc_errno(evalue); \
fb38d079
JM		 2768 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2769 set_errno(EVMSERR); \
2770 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2771 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2772 } \
68dc0745 2773 } STMT_END
7a7fd8e0 2774
68dc0745 2775# ifdef VMSISH_STATUS
e5218da5 2776# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2777# else
e5218da5 2778# define STATUS_CURRENT STATUS_UNIX
68dc0745 2779# endif
7a7fd8e0
JM		 2780
2781 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2782 * the NATIVE status to an equivalent value. Can not be used to translate
2783 * exit code values as exit code values are not guaranteed to have any
2784 * relationship at all to errno values.
2785 * This is used when Perl is forcing errno to have a specific value.
2786 */
e5218da5 2787# define STATUS_UNIX_SET(n) \
68dc0745 2788 STMT_START { \
7a7fd8e0 2789 I32 evalue = (I32)n; \
0968cdad 2790 PL_statusvalue = evalue; \
3280af22 2791 if (PL_statusvalue != -1) { \
0968cdad
JM		 2792 if (PL_statusvalue != EVMSERR) { \
2793 PL_statusvalue &= 0xFFFF; \
2794 if (MY_POSIX_EXIT) \
2795 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2796 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2797 } \
2798 else { \
2799 PL_statusvalue_vms = vaxc$errno; \
2800 } \
68dc0745 2801 } \
0968cdad
JM		 2802 else PL_statusvalue_vms = SS$_ABORT; \
2803 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2804 } STMT_END
2805
2806 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 2807 * the NATIVE error status based on it.
2808 *
2809 * When in the default mode to comply with the Perl VMS documentation,
2810 * 0 is a success and any other code sets the NATIVE status to a failure
2811 * code of SS$_ABORT.
fb38d079
JM		 2812 *
2813 * In the new POSIX EXIT mode, native status will be set so that the
2814 * actual exit code will can be retrieved by the calling program or
2815 * shell.
2816 *
2817 * If the exit code is not clearly a UNIX parent or child exit status,
2818 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2819 */
2820
fb38d079 2821# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2822 STMT_START { \
2823 I32 evalue = (I32)n; \
2824 PL_statusvalue = evalue; \
e08e1e1d
JM		 2825 if (MY_POSIX_EXIT) { \
2826 if (evalue <= 0xFF00) { \
2827 if (evalue > 0xFF) \
2828 evalue = (evalue >> child_offset_bits) & 0xFF; \
2829 PL_statusvalue_vms = \
2830 (C_FAC_POSIX | (evalue << 3 ) | \
2831 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2832 } else /* forgive them Perl, for they have sinned */ \
2833 PL_statusvalue_vms = evalue; \
2834 } else { \
2835 if (evalue == 0) \
2836 PL_statusvalue_vms = SS$_NORMAL; \
2837 else if (evalue <= 0xFF00) \
2838 PL_statusvalue_vms = SS$_ABORT; \
2839 else { /* forgive them Perl, for they have sinned */ \
2840 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2841 else PL_statusvalue_vms = vaxc$errno; \
2842 /* And obviously used a VMS status value instead of UNIX */ \
2843 PL_statusvalue = EVMSERR; \
2844 } \
2845 set_vaxc_errno(PL_statusvalue_vms); \
2846 } \
68dc0745 2847 } STMT_END
fb38d079 2848
e08e1e1d 2849
6ac6a52b
JM		 2850 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2851 * and sets the NATIVE error status based on it. This special case
2852 * is needed to maintain compatibility with past VMS behavior.
2853 *
2854 * In the default mode on VMS, this number is passed through as
2855 * both the NATIVE and UNIX status. Which makes it different
2856 * that the STATUS_UNIX_EXIT_SET.
2857 *
2858 * In the new POSIX EXIT mode, native status will be set so that the
2859 * actual exit code will can be retrieved by the calling program or
2860 * shell.
2861 *
1a3aec58
JM		 2862 * A POSIX exit code is from 0 to 255. If the exit code is higher
2863 * than this, it needs to be assumed that it is a VMS exit code and
2864 * passed through.
6ac6a52b
JM		 2865 */
2866
2867# define STATUS_EXIT_SET(n) \
2868 STMT_START { \
2869 I32 evalue = (I32)n; \
2870 PL_statusvalue = evalue; \
2871 if (MY_POSIX_EXIT) \
1a3aec58
JM		 2872 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2873 PL_statusvalue_vms = \
2874 (C_FAC_POSIX | (evalue << 3 ) | \
2875 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 2876 else \
2877 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2878 set_vaxc_errno(PL_statusvalue_vms); \
2879 } STMT_END
2880
fb38d079
JM		 2881
2882 /* This macro forces a success status */
7a7fd8e0
JM		 2883# define STATUS_ALL_SUCCESS \
2884 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2885
2886 /* This macro forces a failure status */
7a7fd8e0
JM		 2887# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2888 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2889 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2890
68dc0745 2891#else
e5218da5 2892# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2893# if defined(WCOREDUMP)
37038d91 2894# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2895 STMT_START { \
2896 PL_statusvalue_posix = (n); \
2897 if (PL_statusvalue_posix == -1) \
2898 PL_statusvalue = -1; \
2899 else { \
2900 PL_statusvalue = \
2901 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2902 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2903 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2904 } \
2905 } STMT_END
2906# elif defined(WIFEXITED)
37038d91 2907# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2908 STMT_START { \
2909 PL_statusvalue_posix = (n); \
2910 if (PL_statusvalue_posix == -1) \
2911 PL_statusvalue = -1; \
2912 else { \
2913 PL_statusvalue = \
2914 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2915 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2916 } \
2917 } STMT_END
2918# else
37038d91 2919# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2920 STMT_START { \
2921 PL_statusvalue_posix = (n); \
2922 if (PL_statusvalue_posix == -1) \
2923 PL_statusvalue = -1; \
2924 else { \
2925 PL_statusvalue = \
2926 PL_statusvalue_posix & 0xFFFF; \
2927 } \
2928 } STMT_END
2929# endif
2930# define STATUS_UNIX_SET(n) \
68dc0745 2931 STMT_START { \
3280af22
NIS		 2932 PL_statusvalue = (n); \
2933 if (PL_statusvalue != -1) \
2934 PL_statusvalue &= 0xFFFF; \
68dc0745 2935 } STMT_END
7a7fd8e0 2936# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2937# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2938# define STATUS_CURRENT STATUS_UNIX
37038d91 2939# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2940# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2941# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2942#endif
2943
cc3604b1
GS		 2944/* flags in PL_exit_flags for nature of exit() */
2945#define PERL_EXIT_EXPECTED 0x01
31d77e54 2946#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2947
b79b76e0 2948#ifndef PERL_CORE
a7cb1f99 2949/* format to use for version numbers in file/directory names */
273cf8d1 2950/* XXX move to Configure? */
b79b76e0
NC		 2951/* This was only ever used for the current version, and that can be done at
2952 compile time, as PERL_FS_VERSION, so should we just delete it? */
2953# ifndef PERL_FS_VER_FMT
2954# define PERL_FS_VER_FMT "%d.%d.%d"
2955# endif
2956#endif
2957
2958#ifndef PERL_FS_VERSION
2959# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 2960#endif
2961
45bc9206 2962/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2963 * performance issue, so we allow people to disable it. Also, if
2964 * we are using stdio, there are broken implementations of fflush(NULL)
2965 * out there, Solaris being the most prominent.
45bc9206
GS		 2966 */
2967#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2968# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2969# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2970# else
2971# ifdef FFLUSH_ALL
2972# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2973# else
c5be433b 2974# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2975# endif
66fe083f 2976# endif
45bc9206
GS		 2977#endif
2978
7766f137
GS		 2979#ifndef PERL_WAIT_FOR_CHILDREN
2980# define PERL_WAIT_FOR_CHILDREN NOOP
2981#endif
2982
ba869deb 2983/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2984#ifndef PERL_SET_INTERP
2985# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2986#endif
2987
2988#ifndef PERL_GET_INTERP
2989# define PERL_GET_INTERP (PL_curinterp)
2990#endif
2991
54aff467 2992#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2993# ifdef MULTIPLICITY
ba869deb 2994# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2995# endif
ba869deb
GS		 2996# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2997#endif
2998
00f254e2 2999/*
8896765a 3000 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3001 All that is required is that the perl source does not
00f254e2
KW		 3002 use "%-p" or "%-<number>p" or "%<number>p" formats.
3003 These formats will still work in perl code.
486ec47a 3004 See comments in sv.c for further details.
8896765a 3005
8896765a 3006 Robin Barker 2005-07-14
f46d31f2 3007
00f254e2 3008 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3009*/
8896765a
RB		 3010
3011#ifndef SVf_
63ce7bf0 3012# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3013#endif
3014
8896765a 3015#ifndef SVf
104abab4 3016# define SVf "-p"
d2560b70
RB		 3017#endif
3018
014ead4b 3019#ifndef SVf32
8896765a 3020# define SVf32 SVf_(32)
014ead4b
RB		 3021#endif
3022
3023#ifndef SVf256
8896765a
RB		 3024# define SVf256 SVf_(256)
3025#endif
3026
be2597df
MHM		 3027#define SVfARG(p) ((void*)(p))
3028
20023040
FC		 3029#ifndef HEKf
3030# define HEKf "2p"
3031#endif
3032
b8fa5213
FC		 3033/* Not ideal, but we cannot easily include a number in an already-numeric
3034 * format sequence. */
3035#ifndef HEKf256
3036# define HEKf256 "3p"
3037#endif
3038
20023040
FC		 3039#define HEKfARG(p) ((void*)(p))
3040
f46d31f2 3041#ifdef PERL_CORE
486ec47a 3042/* not used; but needed for backward compatibility with XS code? - RMB */
f46d31f2
RB		 3043# undef VDf
3044#else
3045# ifndef VDf
8896765a
RB		 3046# define VDf "vd"
3047# endif
014ead4b 3048#endif
170cd9e9
NC		 3049
3050#ifdef PERL_CORE
486ec47a 3051/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3052# undef UVf
3053#else
170cd9e9
NC		 3054# ifndef UVf
3055# define UVf UVuf
3056# endif
d2560b70
RB		 3057#endif
3058
fcdf39cf
RGS		 3059#ifdef HASATTRIBUTE_DEPRECATED
3060# define __attribute__deprecated__ __attribute__((deprecated))
3061#endif
0dbb1585
AL		 3062#ifdef HASATTRIBUTE_FORMAT
3063# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3064#endif
3065#ifdef HASATTRIBUTE_MALLOC
77785eea 3066# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3067#endif
0dbb1585 3068#ifdef HASATTRIBUTE_NONNULL
abb2c242 3069# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3070#endif
0dbb1585 3071#ifdef HASATTRIBUTE_NORETURN
abb2c242 3072# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3073#endif
0dbb1585 3074#ifdef HASATTRIBUTE_PURE
abb2c242 3075# define __attribute__pure__ __attribute__((pure))
f22be1b8 3076#endif
0dbb1585
AL		 3077#ifdef HASATTRIBUTE_UNUSED
3078# define __attribute__unused__ __attribute__((unused))
3079#endif
3080#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3081# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3082#endif
3083
0dbb1585 3084/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3085#ifndef __attribute__deprecated__
3086# define __attribute__deprecated__
3087#endif
0dbb1585
AL		 3088#ifndef __attribute__format__
3089# define __attribute__format__(x,y,z)
3090#endif
f22be1b8 3091#ifndef __attribute__malloc__
abb2c242 3092# define __attribute__malloc__
f22be1b8
JH		 3093#endif
3094#ifndef __attribute__nonnull__
abb2c242 3095# define __attribute__nonnull__(a)
f22be1b8
JH		 3096#endif
3097#ifndef __attribute__noreturn__
abb2c242 3098# define __attribute__noreturn__
f22be1b8
JH		 3099#endif
3100#ifndef __attribute__pure__
abb2c242 3101# define __attribute__pure__
f22be1b8 3102#endif
0dbb1585
AL		 3103#ifndef __attribute__unused__
3104# define __attribute__unused__
3105#endif
f22be1b8 3106#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3107# define __attribute__warn_unused_result__
3108#endif
3109
0dbb1585
AL		 3110/* For functions that are marked as __attribute__noreturn__, it's not
3111 appropriate to call return. In either case, include the lint directive.
3112 */
3113#ifdef HASATTRIBUTE_NORETURN
118e2215 3114# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3115#else
118e2215 3116# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH		 3117#endif
3118
cdfeb707
RB		 3119/* Some OS warn on NULL format to printf */
3120#ifdef PRINTF_FORMAT_NULL_OK
3121# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3122#else
00f254e2 3123# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3124#endif
3125
635aebb7 3126#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3127# define EXPECT(expr,val) __builtin_expect(expr,val)
3128#else
3129# define EXPECT(expr,val) (expr)
3130#endif
6d5abc62
NC		 3131#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3132#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3133#ifdef HAS_BUILTIN_CHOOSE_EXPR
3134/* placeholder */
3135#endif
b37c2d43 3136
3fc1aec6 3137/* Some unistd.h's give a prototype for pause() even though
3138 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3139 below to be rejected by the compiler. Sigh.
3fc1aec6 3140*/
3141#ifdef HAS_PAUSE
3142#define Pause pause
3143#else
3144#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3145#endif
3146
3147#ifndef IOCPARM_LEN
3148# ifdef IOCPARM_MASK
61f1c44b 3149 /* on BSDish systems we're safe */
748a9306
LW		 3150# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3151# else
61f1c44b 3152# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3153 /* on Linux systems we're safe; except when we're not [perl #38223] */
3154# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3155# else
748a9306 3156 /* otherwise guess at what's safe */
61f1c44b
JVD		 3157# define IOCPARM_LEN(x) 256
3158# endif
748a9306 3159# endif
a0d0e21e
LW		 3160#endif
3161
1761cee5 3162#if defined(__CYGWIN__)
521e0776
GS		 3163/* USEMYBINMODE
3164 * This symbol, if defined, indicates that the program should
16fe6d59 3165 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3166 * that a file is in "binary" mode -- that is, that no translation
3167 * of bytes occurs on read or write operations.
3168 */
36894f0b 3169# define USEMYBINMODE /**/
77a40698 3170# include <io.h> /* for setmode() prototype */
16fe6d59 3171# define my_binmode(fp, iotype, mode) \
77a40698 3172 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3173#endif
3174
88d10794
JH		 3175#ifdef __CYGWIN__
3176void init_os_extras(void);
3177#endif
3178
cea2e8a9
GS		 3179#ifdef UNION_ANY_DEFINITION
3180UNION_ANY_DEFINITION;
3181#else
3182union any {
3183 void* any_ptr;
3184 I32 any_i32;
3185 IV any_iv;
c6bf6a65 3186 UV any_uv;
cea2e8a9 3187 long any_long;
9febdf04 3188 bool any_bool;
c76ac1ee 3189 void (*any_dptr) (void*);
acfe0abc 3190 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3191};
3192#endif
3193
acfe0abc 3194typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3195
3196#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3197#define FILTER_DATA(idx) \
3198 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3199#define FILTER_ISREADER(idx) \
3200 (PL_parser && PL_parser->rsfp_filters \
3201 && idx >= AvFILLp(PL_parser->rsfp_filters))
3202#define PERL_FILTER_EXISTS(i) \
3203 (PL_parser && PL_parser->rsfp_filters \
3204 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3205
c5078cac
JH		 3206#if defined(_AIX) && !defined(_AIX43)
3207#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3208/* We cannot include <crypt.h> to get the struct crypt_data
3209 * because of setkey prototype problems when threading */
3210typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3211 /* From OSF, Not needed in AIX
3212 char C[28], D[28];
3213 */
3214 char E[48];
3215 char KS[16][48];
3216 char block[66];
3217 char iobuf[16];
3218} CRYPTD;
3219#endif /* threading */
3220#endif /* AIX */
3221
e37778c2 3222#if !defined(OS2)
2c2d71f5
JH		 3223# include "iperlsys.h"
3224#endif
504f80c1 3225
9c12f1e5 3226#ifdef __LIBCATAMOUNT__
00f254e2 3227#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3228#undef HAS_GROUP
3229#define FAKE_BIT_BUCKET
3230#endif
3231
d10dc2ae
JH		 3232/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3233 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3234 * defined by Configure, despite their names being similar to the
3235 * other defines like USE_ITHREADS. Configure in fact knows nothing
3236 * about the randomised hashes. Therefore to enable/disable the hash
3237 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3238#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3239# define USE_HASH_SEED
504f80c1
JH		 3240#endif
3241
598921a7
NC		 3242/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3243 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3244 * it's not really needed.
3245 */
3246#if defined(WIN32)
3247# define YYTOKENTYPE
3248#endif
3249#include "perly.h"
3250
3251#ifdef PERL_MAD
3252struct nexttoken {
3253 YYSTYPE next_val; /* value of next token, if any */
3254 I32 next_type; /* type of next token */
3255 MADPROP *next_mad; /* everything else about that token */
3256};
3257#endif
3258
654eccd5
JD		 3259/* macros to define bit-fields in structs. */
3260#ifndef PERL_BITFIELD8
3261# define PERL_BITFIELD8 unsigned
3262#endif
3263#ifndef PERL_BITFIELD16
3264# define PERL_BITFIELD16 unsigned
3265#endif
3266#ifndef PERL_BITFIELD32
3267# define PERL_BITFIELD32 unsigned
3268#endif
3269
79072805 3270#include "sv.h"
288b8c02 3271#include "regexp.h"
378cc40b 3272#include "util.h"
8d063cd8 3273#include "form.h"
79072805 3274#include "gv.h"
dd2155a4 3275#include "pad.h"
79072805 3276#include "cv.h"
abdd5c84 3277#include "opnames.h"
79072805 3278#include "op.h"
b3ca2e83 3279#include "hv.h"
79072805
LW		 3280#include "cop.h"
3281#include "av.h"
79072805
LW		 3282#include "mg.h"
3283#include "scope.h"
4438c4b7 3284#include "warnings.h"
a0ed51b3 3285#include "utf8.h"
8d063cd8 3286
0d7d409d
DM		 3287/* these would be in doio.h if there was such a file */
3288#define my_stat() my_stat_flags(SV_GMAGIC)
3289#define my_lstat() my_lstat_flags(SV_GMAGIC)
3290
20f4945e 3291/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3292#undef _XPV_HEAD
3293#undef _XPVMG_HEAD
3294#undef _XPVCV_COMMON
7fae4e64
GS		 3295
3296typedef struct _sublex_info SUBLEXINFO;
3297struct _sublex_info {
651b5b28
NC		 3298 U8 super_state; /* lexer state to save */
3299 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3300 OP *sub_op; /* "lex_op" to use */
7cc34111 3301 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3302};
3303
199e78b7
DM		 3304#include "parser.h"
3305
455ece5e 3306typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3307
2c2d71f5 3308struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3309struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3310
5f7fde29
GS		 3311struct ptr_tbl_ent {
3312 struct ptr_tbl_ent* next;
53c1dcc0 3313 const void* oldval;
5f7fde29 3314 void* newval;
d18c6117
GS		 3315};
3316
5f7fde29
GS		 3317struct ptr_tbl {
3318 struct ptr_tbl_ent** tbl_ary;
3319 UV tbl_max;
3320 UV tbl_items;
db93c0c4
NC		 3321 struct ptr_tbl_arena *tbl_arena;
3322 struct ptr_tbl_ent *tbl_arena_next;
3323 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3324};
3325
fe14fcc3
LW		 3326#if defined(htonl) && !defined(HAS_HTONL)
3327#define HAS_HTONL
ae986130 3328#endif
fe14fcc3
LW		 3329#if defined(htons) && !defined(HAS_HTONS)
3330#define HAS_HTONS
ae986130 3331#endif
fe14fcc3
LW		 3332#if defined(ntohl) && !defined(HAS_NTOHL)
3333#define HAS_NTOHL
ae986130 3334#endif
fe14fcc3
LW		 3335#if defined(ntohs) && !defined(HAS_NTOHS)
3336#define HAS_NTOHS
ae986130 3337#endif
fe14fcc3 3338#ifndef HAS_HTONL
fe14fcc3
LW		 3339#define HAS_HTONS
3340#define HAS_HTONL
3341#define HAS_NTOHS
3342#define HAS_NTOHL
8e2d7c44
NC		 3343# if (BYTEORDER & 0xffff) == 0x4321
3344/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3345 re-order their values. However, to behave identically to the alternative
3346 implementations, they should truncate to the correct size. */
3347# define ntohl(x) ((x)&0xFFFFFFFF)
3348# define htonl(x) ntohl(x)
3349# define ntohs(x) ((x)&0xFFFF)
3350# define htons(x) ntohs(x)
e4b03fed
NC		 3351# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3352
3353/* Note that we can't straight out declare our own htonl and htons because
3354 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3355 to avoid the overhead of initialising the socket subsystem, but the headers
3356 that *declare* the various functions are still seen. If we declare our own
3357 htonl etc they will clash with the declarations in the Win32 headers. */
3358
3359PERL_STATIC_INLINE U32
3360my_swap32(const U32 x) {
3361 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3362 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3363}
3364
3365PERL_STATIC_INLINE U16
3366my_swap16(const U16 x) {
3367 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3368}
3369
3370# define htonl(x) my_swap32(x)
3371# define ntohl(x) my_swap32(x)
3372# define ntohs(x) my_swap16(x)
3373# define htons(x) my_swap16(x)
8e2d7c44 3374# else
691a44df
NC		 3375# error "Unsupported byteorder"
3376/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3377 the error message. Please check the value of the macro BYTEORDER, as defined
3378 in config.h. The values of BYTEORDER we expect are
3379
3380 big endian little endian
3381 32 bit 0x4321 0x1234
3382 64 bit 0x87654321 0x12345678
3383
3384 If you have a system with a different byte order, please see
3385 pod/perlhack.pod for how to submit a patch to add supporting code.
3386*/
3387# endif
a687059c
LW		 3388#endif
3389
988174c1
LW		 3390/*
3391 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3392 * -DWS
3393 */
5ae72479 3394#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3395/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3396 re-order their values. However, to behave identically to the alternative
3397 implementations, they should truncate to the correct size. */
3398# define vtohl(x) ((x)&0xFFFFFFFF)
3399# define vtohs(x) ((x)&0xFFFF)
3400# define htovl(x) vtohl(x)
3401# define htovs(x) vtohs(x)
545872c5 3402#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3403# define vtohl(x) ((((x)&0xFF)<<24) \
3404 +(((x)>>24)&0xFF) \
3405 +(((x)&0x0000FF00)<<8) \
3406 +(((x)&0x00FF0000)>>8) )
3407# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3408# define htovl(x) vtohl(x)
3409# define htovs(x) vtohs(x)
545872c5
NC		 3410#else
3411# error "Unsupported byteorder"
3412/* If you have need for current perl on PDP-11 or similar, and can help test
3413 that blead keeps working on a mixed-endian system, then see
3414 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3415#endif
988174c1 3416
3bb7c1b4
JH		 3417/* *MAX Plus 1. A floating point value.
3418 Hopefully expressed in a way that dodgy floating point can't mess up.
3419 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3420 is added to it
3421 May find that some broken compiler will want the value cast to I32.
3422 [after the shift, as signed >> may not be as secure as unsigned >>]
3423*/
3424#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3425#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3426/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3427 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3428 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3429*/
3430#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3431
3bb7c1b4
JH		 3432#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3433#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3434#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3435
3436/* This may look like unnecessary jumping through hoops, but converting
3437 out of range floating point values to integers *is* undefined behaviour,
3438 and it is starting to bite.
3439*/
3440#ifndef CAST_INLINE
65202027 3441#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3442#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3443#define I_V(what) (cast_iv((NV)(what)))
3444#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3445#else
3446#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3447 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3448 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3449#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3450 : ((n) < U32_MAX_P1 ? (U32) (n) \
3451 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3452#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3453 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3454 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3455#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3456 : ((n) < UV_MAX_P1 ? (UV) (n) \
3457 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3458#endif
3459
3460#define U_S(what) ((U16)U_32(what))
3461#define U_I(what) ((unsigned int)U_32(what))
3462#define U_L(what) U_32(what)
ed6116ce 3463
ed140128
AD		 3464#ifdef HAS_SIGNBIT
3465# define Perl_signbit signbit
3466#endif
3467
2d4389e4
JH		 3468/* These do not care about the fractional part, only about the range. */
3469#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3470#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3471
25da4f38
IZ		 3472/* Used with UV/IV arguments: */
3473 /* XXXX: need to speed it up */
3474#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3475#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3476
352d5a3a
LW		 3477#ifndef MAXSYSFD
3478# define MAXSYSFD 2
3479#endif
ee0007ab 3480
79072805 3481#ifndef __cplusplus
e37d7e38 3482#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3483Uid_t getuid (void);
3484Uid_t geteuid (void);
3485Gid_t getgid (void);
3486Gid_t getegid (void);
79072805 3487#endif
e1caacb4 3488#endif
8d063cd8 3489
0c30d9ec 3490#ifndef Perl_debug_log
bf49b057
GS		 3491# define Perl_debug_log PerlIO_stderr()
3492#endif
3493
3494#ifndef Perl_error_log
3495# define Perl_error_log (PL_stderrgv \
6b78add2 3496 && isGV(PL_stderrgv) \
01bb7c6d 3497 && GvIOp(PL_stderrgv) \
42de951c 3498 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3499 ? IoOFP(GvIOp(PL_stderrgv)) \
3500 : PerlIO_stderr())
0c30d9ec 3501#endif
3967c732 3502
aea4f609
DM		 3503
3504#define DEBUG_p_FLAG 0x00000001 /* 1 */
3505#define DEBUG_s_FLAG 0x00000002 /* 2 */
3506#define DEBUG_l_FLAG 0x00000004 /* 4 */
3507#define DEBUG_t_FLAG 0x00000008 /* 8 */
3508#define DEBUG_o_FLAG 0x00000010 /* 16 */
3509#define DEBUG_c_FLAG 0x00000020 /* 32 */
3510#define DEBUG_P_FLAG 0x00000040 /* 64 */
3511#define DEBUG_m_FLAG 0x00000080 /* 128 */
3512#define DEBUG_f_FLAG 0x00000100 /* 256 */
3513#define DEBUG_r_FLAG 0x00000200 /* 512 */
3514#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3515#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3516/* U is reserved for Unofficial, exploratory hacking */
3517#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3518#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3519#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3520#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3521#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3522#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3523#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3524#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3525#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3526#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3527#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3528#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3529#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3530#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3531#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3532
3533#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3534#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3535 that something was done? */
aea4f609 3536
bd16a5f0
IZ		 3537# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3538# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3539# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3540# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3541# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3542# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3543# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3544# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3545# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3546# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3547# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3548# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3549# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3550# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3551# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3552# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3553# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3554# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3555# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3556# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3557# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3558# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3559# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3560# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3561# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3562# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3563# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3564# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3565# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3566
3967c732 3567#ifdef DEBUGGING
aea4f609 3568
bd16a5f0
IZ		 3569# define DEBUG_p_TEST DEBUG_p_TEST_
3570# define DEBUG_s_TEST DEBUG_s_TEST_
3571# define DEBUG_l_TEST DEBUG_l_TEST_
3572# define DEBUG_t_TEST DEBUG_t_TEST_
3573# define DEBUG_o_TEST DEBUG_o_TEST_
3574# define DEBUG_c_TEST DEBUG_c_TEST_
3575# define DEBUG_P_TEST DEBUG_P_TEST_
3576# define DEBUG_m_TEST DEBUG_m_TEST_
3577# define DEBUG_f_TEST DEBUG_f_TEST_
3578# define DEBUG_r_TEST DEBUG_r_TEST_
3579# define DEBUG_x_TEST DEBUG_x_TEST_
3580# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3581# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3582# define DEBUG_H_TEST DEBUG_H_TEST_
3583# define DEBUG_X_TEST DEBUG_X_TEST_
3584# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3585# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3586# define DEBUG_T_TEST DEBUG_T_TEST_
3587# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3588# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3589# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3590# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3591# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3592# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3593# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3594# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC		 3595# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3596# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3597# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3598
488b0c7a
JH		 3599# define PERL_DEB(a) a
3600# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3601# define DEBUG_p(a) if (DEBUG_p_TEST) a
3602# define DEBUG_s(a) if (DEBUG_s_TEST) a
3603# define DEBUG_l(a) if (DEBUG_l_TEST) a
3604# define DEBUG_t(a) if (DEBUG_t_TEST) a
3605# define DEBUG_o(a) if (DEBUG_o_TEST) a
3606# define DEBUG_c(a) if (DEBUG_c_TEST) a
3607# define DEBUG_P(a) if (DEBUG_P_TEST) a
3608
969058bb
VK		 3609 /* Temporarily turn off memory debugging in case the a
3610 * does memory allocation, either directly or indirectly. */
acfe0abc 3611# define DEBUG_m(a) \
0b250b9e 3612 STMT_START { \
aea4f609 3613 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3614 } STMT_END
aea4f609 3615
5f80b19c
AMS		 3616# define DEBUG__(t, a) \
3617 STMT_START { \
3618 if (t) STMT_START {a;} STMT_END; \
3619 } STMT_END
3620
3621# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3622#ifndef PERL_EXT_RE_BUILD
5f80b19c 3623# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 3624#else
3625# define DEBUG_r(a) STMT_START {a;} STMT_END
3626#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 3627# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3628# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3629# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 3630# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3631# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3632# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 3633# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3634# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3635# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3636
56967202 3637# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 3638# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3639# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3640# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3641# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3642# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3643# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3644# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3645# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM		 3646
3647#else /* DEBUGGING */
3648
3649# define DEBUG_p_TEST (0)
3650# define DEBUG_s_TEST (0)
3651# define DEBUG_l_TEST (0)
3652# define DEBUG_t_TEST (0)
3653# define DEBUG_o_TEST (0)
3654# define DEBUG_c_TEST (0)
3655# define DEBUG_P_TEST (0)
3656# define DEBUG_m_TEST (0)
3657# define DEBUG_f_TEST (0)
3658# define DEBUG_r_TEST (0)
3659# define DEBUG_x_TEST (0)
3660# define DEBUG_u_TEST (0)
88d2d28a 3661# define DEBUG_U_TEST (0)
aea4f609
DM		 3662# define DEBUG_H_TEST (0)
3663# define DEBUG_X_TEST (0)
3664# define DEBUG_D_TEST (0)
56967202 3665# define DEBUG_S_TEST (0)
aea4f609 3666# define DEBUG_T_TEST (0)
04932ac8 3667# define DEBUG_R_TEST (0)
1045810a 3668# define DEBUG_J_TEST (0)
d6721266 3669# define DEBUG_v_TEST (0)
46187eeb 3670# define DEBUG_C_TEST (0)
ecae49c0
NC		 3671# define DEBUG_A_TEST (0)
3672# define DEBUG_q_TEST (0)
d7c0d282 3673# define DEBUG_M_TEST (0)
cc8773c0 3674# define DEBUG_B_TEST (0)
7949c6f5
JC		 3675# define DEBUG_Xv_TEST (0)
3676# define DEBUG_Uv_TEST (0)
ad9e76a8 3677# define DEBUG_Pv_TEST (0)
aea4f609 3678
488b0c7a
JH		 3679# define PERL_DEB(a)
3680# define PERL_DEBUG(a)
aea4f609
DM		 3681# define DEBUG_p(a)
3682# define DEBUG_s(a)
3683# define DEBUG_l(a)
3684# define DEBUG_t(a)
3685# define DEBUG_o(a)
3686# define DEBUG_c(a)
3687# define DEBUG_P(a)
3688# define DEBUG_m(a)
3689# define DEBUG_f(a)
3690# define DEBUG_r(a)
3691# define DEBUG_x(a)
3692# define DEBUG_u(a)
88d2d28a 3693# define DEBUG_U(a)
aea4f609
DM		 3694# define DEBUG_H(a)
3695# define DEBUG_X(a)
3696# define DEBUG_D(a)
56967202 3697# define DEBUG_S(a)
aea4f609 3698# define DEBUG_T(a)
04932ac8 3699# define DEBUG_R(a)
d6721266 3700# define DEBUG_v(a)
46187eeb 3701# define DEBUG_C(a)
ecae49c0
NC		 3702# define DEBUG_A(a)
3703# define DEBUG_q(a)
d7c0d282 3704# define DEBUG_M(a)
cc8773c0 3705# define DEBUG_B(a)
7949c6f5
JC		 3706# define DEBUG_Xv(a)
3707# define DEBUG_Uv(a)
ad9e76a8 3708# define DEBUG_Pv(a)
aea4f609
DM		 3709#endif /* DEBUGGING */
3710
3711
b4ab917c 3712#define DEBUG_SCOPE(where) \
d9f81b50 3713 DEBUG_l( \
1c98cc53
DM		 3714 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3715 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3716 __FILE__, __LINE__));
b4ab917c 3717
de84dc04
NC		 3718#if defined(DEBUGGING) && defined(I_ASSERT)
3719# include <assert.h>
3720#endif
3721
3722/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3723 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3724
de84dc04 3725#define Perl_assert(what) PERL_DEB( \
2b057284 3726 ((what) ? ((void) 0) : \
67eb4d30 3727 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3728 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3729 (void) 0)))
de84dc04
NC		 3730
3731#ifndef assert
3732# define assert(what) Perl_assert(what)
a446a88f 3733#endif
c7724415
FC		 3734#ifdef DEBUGGING
3735# define assert_(what) assert(what),
3736#else
3737# define assert_(what)
3738#endif
8d063cd8 3739
450a55e4 3740struct ufuncs {
24f81a43
DM		 3741 I32 (*uf_val)(pTHX_ IV, SV*);
3742 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3743 IV uf_index;
450a55e4
LW		 3744};
3745
14befaf4 3746/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3747 * XS code wanting to be backward compatible can do something
3748 * like the following:
c745e42c 3749
24f81a43 3750#ifndef PERL_MG_UFUNC
24f81a43
DM		 3751#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3752#endif
3753
3754static PERL_MG_UFUNC(foo_get, index, val)
3755{
3756 sv_setsv(val, ...);
3757 return TRUE;
3758}
3759
3760-- Doug MacEachern
3761
3762*/
3763
fc9c74e6 3764#ifndef PERL_MG_UFUNC
24f81a43 3765#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3766#endif
24f81a43 3767
fe14fcc3 3768/* Fix these up for __STDC__ */
68dc0745 3769#ifndef DONT_DECLARE_STD
20ce7b12 3770char *mktemp (char*);
37bd1396 3771#ifndef atof
20ce7b12 3772double atof (const char*);
a0d0e21e 3773#endif
37bd1396 3774#endif
79072805 3775
352d5a3a 3776#ifndef STANDARD_C
fe14fcc3 3777/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3778Time_t time();
8d063cd8 3779struct tm *gmtime(), *localtime();
043fec90 3780#if defined(OEMVS)
9d116dd7
JH		 3781char *(strchr)(), *(strrchr)();
3782char *(strcpy)(), *(strcat)();
3783#else
93a17b20 3784char *strchr(), *strrchr();
378cc40b 3785char *strcpy(), *strcat();
9d116dd7 3786#endif
352d5a3a 3787#endif /* ! STANDARD_C */
8d063cd8 3788
79072805
LW		 3789
3790#ifdef I_MATH
3791# include <math.h>
3792#else
32f822de 3793START_EXTERN_C
20ce7b12
GS		 3794 double exp (double);
3795 double log (double);
3796 double log10 (double);
3797 double sqrt (double);
3798 double frexp (double,int*);
3799 double ldexp (double,int);
3800 double modf (double,double*);
3801 double sin (double);
3802 double cos (double);
3803 double atan2 (double,double);
3804 double pow (double,double);
32f822de 3805END_EXTERN_C
79072805
LW		 3806#endif
3807
aa8b85de
JH		 3808#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3809# define NV_INF LDBL_INFINITY
3810#endif
3811#if !defined(NV_INF) && defined(DBL_INFINITY)
3812# define NV_INF (NV)DBL_INFINITY
3813#endif
3814#if !defined(NV_INF) && defined(INFINITY)
3815# define NV_INF (NV)INFINITY
3816#endif
3817#if !defined(NV_INF) && defined(INF)
3818# define NV_INF (NV)INF
3819#endif
3820#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3821# define NV_INF (NV)HUGE_VALL
3822#endif
3823#if !defined(NV_INF) && defined(HUGE_VAL)
3824# define NV_INF (NV)HUGE_VAL
3825#endif
3826
3827#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3828# if !defined(NV_NAN) && defined(LDBL_NAN)
3829# define NV_NAN LDBL_NAN
3830# endif
3831# if !defined(NV_NAN) && defined(LDBL_QNAN)
3832# define NV_NAN LDBL_QNAN
3833# endif
3834# if !defined(NV_NAN) && defined(LDBL_SNAN)
3835# define NV_NAN LDBL_SNAN
3836# endif
3837#endif
3838#if !defined(NV_NAN) && defined(DBL_NAN)
3839# define NV_NAN (NV)DBL_NAN
3840#endif
3841#if !defined(NV_NAN) && defined(DBL_QNAN)
3842# define NV_NAN (NV)DBL_QNAN
3843#endif
3844#if !defined(NV_NAN) && defined(DBL_SNAN)
3845# define NV_NAN (NV)DBL_SNAN
3846#endif
3847#if !defined(NV_NAN) && defined(QNAN)
3848# define NV_NAN (NV)QNAN
3849#endif
3850#if !defined(NV_NAN) && defined(SNAN)
3851# define NV_NAN (NV)SNAN
3852#endif
3853#if !defined(NV_NAN) && defined(NAN)
3854# define NV_NAN (NV)NAN
3855#endif
3856
a0d0e21e 3857#ifndef __cplusplus
8f1f23e8 3858# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3859char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3860# else
fd8cd3a3 3861# if !defined(WIN32) && !defined(VMS)
10bc17b6 3862#ifndef crypt
20ce7b12 3863char *crypt (const char*, const char*);
10bc17b6 3864#endif
5014db98 3865# endif /* !WIN32 */
8f1f23e8 3866# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3867# ifndef DONT_DECLARE_STD
3868# ifndef getenv
20ce7b12 3869char *getenv (const char*);
26618a56 3870# endif /* !getenv */
739a0b84 3871# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 3872# ifdef _FILE_OFFSET_BITS
28ca6303 3873# if _FILE_OFFSET_BITS == 64
20ce7b12 3874Off_t lseek (int,Off_t,int);
0fc67700
JH		 3875# endif
3876# endif
bf0c440f 3877# endif
26618a56 3878# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 3879# ifndef WIN32
3880# ifndef getlogin
20ce7b12 3881char *getlogin (void);
e37d7e38
SH		 3882# endif
3883# endif /* !WIN32 */
26618a56 3884#endif /* !__cplusplus */
79072805 3885
7a7fd8e0
JM		 3886/* Fixme on VMS. This needs to be a run-time, not build time options */
3887/* Also rename() is affected by this */
16d20bd9 3888#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3889#define UNLINK unlnk
083639a9 3890I32 unlnk (pTHX_ const char*);
8d063cd8 3891#else
80252599 3892#define UNLINK PerlLIO_unlink
8d063cd8 3893#endif
a687059c 3894
fa0a29af
JH		 3895/* some versions of glibc are missing the setresuid() proto */
3896#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3897int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3898#endif
fa0a29af
JH		 3899/* some versions of glibc are missing the setresgid() proto */
3900#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3901int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3902#endif
3903
fe14fcc3 3904#ifndef HAS_SETREUID
85e6fe83
LW		 3905# ifdef HAS_SETRESUID
3906# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3907# define HAS_SETREUID
3908# endif
a687059c 3909#endif
fe14fcc3 3910#ifndef HAS_SETREGID
85e6fe83
LW		 3911# ifdef HAS_SETRESGID
3912# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3913# define HAS_SETREGID
3914# endif
a687059c 3915#endif
ee0007ab 3916
d543acb6 3917/* Sighandler_t defined in iperlsys.h */
ff68c719 3918
3919#ifdef HAS_SIGACTION
3920typedef struct sigaction Sigsave_t;
3921#else
3922typedef Sighandler_t Sigsave_t;
3923#endif
3924
ee0007ab
LW		 3925#define SCAN_DEF 0
3926#define SCAN_TR 1
3927#define SCAN_REPL 2
79072805
LW		 3928
3929#ifdef DEBUGGING
4633a7c4 3930# ifndef register
a0d0e21e
LW		 3931# define register
3932# endif
cea2e8a9 3933# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3934#else
cea2e8a9 3935# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3936#endif
3937
6cb8cb21 3938#ifdef USE_PERLIO
0934c9d9 3939EXTERN_C void PerlIO_teardown(void);
2f44961c 3940# ifdef USE_ITHREADS
6cb8cb21
RGS		 3941# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
3942# define PERLIO_TERM \
3943 STMT_START { \
d0820ef1 3944 PerlIO_teardown(); \
6cb8cb21
RGS		 3945 MUTEX_DESTROY(&PL_perlio_mutex);\
3946 } STMT_END
3947# else
3948# define PERLIO_INIT
d0820ef1 3949# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 3950# endif
6b29934b
NC		 3951#else
3952# define PERLIO_INIT
3953# define PERLIO_TERM
6cb8cb21
RGS		 3954#endif
3955
18f739ee 3956#ifdef MYMALLOC
772fe5b3 3957# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3958# define MALLOC_INIT \
3959 STMT_START { \
3960 PL_malloc_mutex = NULL; \
3961 MUTEX_INIT(&PL_malloc_mutex); \
3962 } STMT_END
3963# define MALLOC_TERM \
3964 STMT_START { \
3965 perl_mutex tmp = PL_malloc_mutex; \
3966 PL_malloc_mutex = NULL; \
3967 MUTEX_DESTROY(&tmp); \
3968 } STMT_END
3969# else
3970# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3971# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3972# endif
18f739ee
IZ		 3973#else
3974# define MALLOC_INIT
3975# define MALLOC_TERM
3976#endif
3977
cd1541b2 3978#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3979
3980struct perl_memory_debug_header;
cd1541b2
NC		 3981struct perl_memory_debug_header {
3982 tTHX interpreter;
3983# ifdef PERL_POISON
3984 MEM_SIZE size;
cd1541b2 3985# endif
7cb608b5
NC		 3986 struct perl_memory_debug_header *prev;
3987 struct perl_memory_debug_header *next;
cd1541b2
NC		 3988};
3989
3990# define sTHX (sizeof(struct perl_memory_debug_header) + \
3991 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3992 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3993
d8fca402
NC		 3994#else
3995# define sTHX 0
cd1541b2
NC		 3996#endif
3997
7cb608b5
NC		 3998#ifdef PERL_TRACK_MEMPOOL
3999# define INIT_TRACK_MEMPOOL(header, interp) \
4000 STMT_START { \
4001 (header).interpreter = (interp); \
4002 (header).prev = (header).next = &(header); \
4003 } STMT_END
4004# else
4005# define INIT_TRACK_MEMPOOL(header, interp)
4006#endif
4007
1cd66f7c
DD		 4008#ifdef I_MALLOCMALLOC
4009/* Needed for malloc_size(), malloc_good_size() on some systems */
4010# include <malloc/malloc.h>
4011#endif
4012
ca7c1a29
NC		 4013#ifdef MYMALLOC
4014# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4015#else
e82be400
NC		 4016# ifdef HAS_MALLOC_SIZE
4017# ifdef PERL_TRACK_MEMPOOL
cfe52898
RGS		 4018# define Perl_safesysmalloc_size(where) \
4019 (malloc_size(((char *)(where)) - sTHX) - sTHX)
e82be400
NC		 4020# else
4021# define Perl_safesysmalloc_size(where) malloc_size(where)
4022# endif
4023# endif
4024# ifdef HAS_MALLOC_GOOD_SIZE
4025# ifdef PERL_TRACK_MEMPOOL
d8fca402
NC		 4026# define Perl_malloc_good_size(how_much) \
4027 (malloc_good_size((how_much) + sTHX) - sTHX)
e82be400
NC		 4028# else
4029# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4030# endif
4031# else
d8fca402
NC		 4032/* Having this as the identity operation makes some code simpler. */
4033# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4034# endif
ca7c1a29 4035#endif
b6d9d515 4036
16c91539
BM		 4037typedef int (*runops_proc_t)(pTHX);
4038typedef void (*share_proc_t) (pTHX_ SV *sv);
4039typedef int (*thrhook_proc_t) (pTHX);
4040typedef OP* (*PPADDR_t[]) (pTHX);
4041typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4042typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4043
8f1f23e8
W		 4044/* NeXT has problems with crt0.o globals */
4045#if defined(__DYNAMIC__) && \
6239f2da 4046 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 4047# if defined(NeXT) || defined(__NeXT)
4048# include <mach-o/dyld.h>
4049# define environ (*environ_pointer)
0c30d9ec 4050EXT char *** environ_pointer;
8f1f23e8 4051# else
6239f2da 4052# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 4053# include <crt_externs.h> /* for the env array */
4054# define environ (*_NSGetEnviron())
4055# endif
0c30d9ec 4056# endif
8f1f23e8
W		 4057#else
4058 /* VMS and some other platforms don't use the environ array */
13b6e58c 4059# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 4060# if !defined(DONT_DECLARE_STD) || \
4061 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
8d87852b 4062 defined(__sgi)
8f1f23e8 4063extern char ** environ; /* environment variables supplied via exec */
a6c40364 4064# endif
8f1f23e8
W		 4065# endif
4066#endif
79072805 4067
457c5385
NC		 4068#define PERL_PATCHLEVEL_H_IMPLICIT
4069#include "patchlevel.h"
4070#undef PERL_PATCHLEVEL_H_IMPLICIT
4071
4072#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4073 STRINGIFY(PERL_VERSION) "." \
4074 STRINGIFY(PERL_SUBVERSION)
4075
4076#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4077 STRINGIFY(PERL_API_VERSION) "." \
4078 STRINGIFY(PERL_API_SUBVERSION)
4079
73c4f7a1
GS		 4080START_EXTERN_C
4081
79072805 4082/* handy constants */
22c35a8c 4083EXTCONST char PL_warn_uninit[]
29489e7c 4084 INIT("Use of uninitialized value%s%s%s");
fef7e7a0
BF		 4085EXTCONST char PL_warn_uninit_sv[]
4086 INIT("Use of uninitialized value%"SVf"%s%s");
22c35a8c 4087EXTCONST char PL_warn_nosemi[]
463ee0b2 4088 INIT("Semicolon seems to be missing");
22c35a8c 4089EXTCONST char PL_warn_reserved[]
463ee0b2 4090 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4091EXTCONST char PL_warn_nl[]
93a17b20 4092 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4093EXTCONST char PL_no_wrongref[]
a0d0e21e 4094 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4095/* The core no longer needs these here. If you require the string constant,
4096 please inline a copy into your own code. */
973a7615
NC		 4097EXTCONST char PL_no_symref[] __attribute__deprecated__
4098 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4099EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4100 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4101EXTCONST char PL_no_usym[]
8990e307 4102 INIT("Can't use an undefined value as %s reference");
22c35a8c 4103EXTCONST char PL_no_aelem[]
93a17b20 4104 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4105EXTCONST char PL_no_helem_sv[]
d04ff51e 4106 INIT("Modification of non-creatable hash value attempted, subscript \"%"SVf"\"");
22c35a8c 4107EXTCONST char PL_no_modify[]
93a17b20 4108 INIT("Modification of a read-only value attempted");
4cbe3a7d 4109EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4110 INIT("Out of memory!\n");
22c35a8c 4111EXTCONST char PL_no_security[]
463ee0b2 4112 INIT("Insecure dependency in %s%s");
22c35a8c 4113EXTCONST char PL_no_sock_func[]
93a17b20 4114 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4115EXTCONST char PL_no_dir_func[]
93a17b20 4116 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4117EXTCONST char PL_no_func[]
93a17b20 4118 INIT("The %s function is unimplemented");
22c35a8c 4119EXTCONST char PL_no_myglob[]
952306ac 4120 INIT("\"%s\" variable %s can't be in a package");
82d03984
RGS		 4121EXTCONST char PL_no_localize_ref[]
4122 INIT("Can't localize through a reference");
27d5b266
JH		 4123EXTCONST char PL_memory_wrap[]
4124 INIT("panic: memory wrap");
93a17b20 4125
58f645e2
NC		 4126EXTCONST char PL_Yes[]
4127 INIT("1");
4128EXTCONST char PL_No[]
4129 INIT("");
4130EXTCONST char PL_hexdigit[]
4131 INIT("0123456789abcdef0123456789ABCDEF");
4132
0447859b
NC		 4133/* This is constant on most architectures, a global on OS/2 */
4134#ifndef OS2
4135EXTCONST char PL_sh_path[]
4136 INIT(SH_PATH); /* full path of shell */
4137#endif
4138
618b9757
NC		 4139#ifdef CSH
4140EXTCONST char PL_cshname[]
4141 INIT(CSH);
4142# define PL_cshlen (sizeof(CSH "") - 1)
4143#endif
4144
457c5385
NC		 4145/* These are baked at compile time into any shared perl library.
4146 In future releases this will allow us in main() to sanity test the
4147 library we're linking against. */
4148
4149EXTCONST U8 PL_revision
4150 INIT(PERL_REVISION);
4151EXTCONST U8 PL_version
4152 INIT(PERL_VERSION);
4153EXTCONST U8 PL_subversion
4154 INIT(PERL_SUBVERSION);
4155
7575fa06 4156EXTCONST char PL_uuemap[65]
80252599
GS		 4157 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4158
79072805 4159#ifdef DOINIT
9444d213 4160EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4161# ifdef PERL_MICRO
4162# include "uuudmap.h"
4163# else
4164# include "uudmap.h"
4165# endif
9444d213 4166;
efa50c51 4167EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4168# ifdef PERL_MICRO
4169# include "ubitcount.h"
4170#else
4171# include "bitcount.h"
4172# endif
efa50c51 4173;
27da23d5
JH		 4174EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4175EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4176#else
9444d213 4177EXTCONST char PL_uudmap[256];
efa50c51 4178EXTCONST char PL_bitcount[256];
27da23d5
JH		 4179EXTCONST char* const PL_sig_name[];
4180EXTCONST int PL_sig_num[];
79072805
LW		 4181#endif
4182
6d8e7a01
KW		 4183/* fast conversion and case folding tables. The folding tables complement the
4184 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4185 * folds such as outside the range or to multiple characters. */
bbce6d69 4186
79072805 4187#ifdef DOINIT
d02f4dad
KW		 4188#ifndef EBCDIC
4189
4190/* The EBCDIC fold table depends on the code page, and hence is found in
4191 * utfebcdic.h */
4192
22c35a8c 4193EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4194 0, 1, 2, 3, 4, 5, 6, 7,
4195 8, 9, 10, 11, 12, 13, 14, 15,
4196 16, 17, 18, 19, 20, 21, 22, 23,
4197 24, 25, 26, 27, 28, 29, 30, 31,
4198 32, 33, 34, 35, 36, 37, 38, 39,
4199 40, 41, 42, 43, 44, 45, 46, 47,
4200 48, 49, 50, 51, 52, 53, 54, 55,
4201 56, 57, 58, 59, 60, 61, 62, 63,
4202 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4203 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4204 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4205 'x', 'y', 'z', 91, 92, 93, 94, 95,
4206 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4207 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4208 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4209 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4210 128, 129, 130, 131, 132, 133, 134, 135,
4211 136, 137, 138, 139, 140, 141, 142, 143,
4212 144, 145, 146, 147, 148, 149, 150, 151,
4213 152, 153, 154, 155, 156, 157, 158, 159,
4214 160, 161, 162, 163, 164, 165, 166, 167,
4215 168, 169, 170, 171, 172, 173, 174, 175,
4216 176, 177, 178, 179, 180, 181, 182, 183,
4217 184, 185, 186, 187, 188, 189, 190, 191,
4218 192, 193, 194, 195, 196, 197, 198, 199,
4219 200, 201, 202, 203, 204, 205, 206, 207,
4220 208, 209, 210, 211, 212, 213, 214, 215,
4221 216, 217, 218, 219, 220, 221, 222, 223,
4222 224, 225, 226, 227, 228, 229, 230, 231,
4223 232, 233, 234, 235, 236, 237, 238, 239,
4224 240, 241, 242, 243, 244, 245, 246, 247,
4225 248, 249, 250, 251, 252, 253, 254, 255
4226};
3871f40b
KW		 4227EXTCONST unsigned char PL_fold_latin1[] = {
4228 /* Full latin1 complement folding, except for three problematic code points:
4229 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4230 * fold complements outside the Latin1 range, so can't match something
4231 * that isn't in utf8.
4232 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4233 * not one, so can't be represented in this table.
4234 *
4235 * All have to be specially handled */
4236 0, 1, 2, 3, 4, 5, 6, 7,
4237 8, 9, 10, 11, 12, 13, 14, 15,
4238 16, 17, 18, 19, 20, 21, 22, 23,
4239 24, 25, 26, 27, 28, 29, 30, 31,
4240 32, 33, 34, 35, 36, 37, 38, 39,
4241 40, 41, 42, 43, 44, 45, 46, 47,
4242 48, 49, 50, 51, 52, 53, 54, 55,
4243 56, 57, 58, 59, 60, 61, 62, 63,
4244 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4245 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4246 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4247 'x', 'y', 'z', 91, 92, 93, 94, 95,
4248 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4249 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4250 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4251 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4252 128, 129, 130, 131, 132, 133, 134, 135,
4253 136, 137, 138, 139, 140, 141, 142, 143,
4254 144, 145, 146, 147, 148, 149, 150, 151,
4255 152, 153, 154, 155, 156, 157, 158, 159,
4256 160, 161, 162, 163, 164, 165, 166, 167,
4257 168, 169, 170, 171, 172, 173, 174, 175,
4258 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4259 184, 185, 186, 187, 188, 189, 190, 191,
4260 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4261 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4262 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4263 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4264 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4265 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4266 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4267 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4268 255 /* y with diaeresis */
4269};
00f254e2
KW		 4270#endif /* !EBCDIC, but still in DOINIT */
4271
4272/* If these tables are accessed through ebcdic, the access will be converted to
4273 * latin1 first */
4274EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4275 0, 1, 2, 3, 4, 5, 6, 7,
4276 8, 9, 10, 11, 12, 13, 14, 15,
4277 16, 17, 18, 19, 20, 21, 22, 23,
4278 24, 25, 26, 27, 28, 29, 30, 31,
4279 32, 33, 34, 35, 36, 37, 38, 39,
4280 40, 41, 42, 43, 44, 45, 46, 47,
4281 48, 49, 50, 51, 52, 53, 54, 55,
4282 56, 57, 58, 59, 60, 61, 62, 63,
4283 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4284 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4285 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4286 'x', 'y', 'z', 91, 92, 93, 94, 95,
4287 96, 97, 98, 99, 100, 101, 102, 103,
4288 104, 105, 106, 107, 108, 109, 110, 111,
4289 112, 113, 114, 115, 116, 117, 118, 119,
4290 120, 121, 122, 123, 124, 125, 126, 127,
4291 128, 129, 130, 131, 132, 133, 134, 135,
4292 136, 137, 138, 139, 140, 141, 142, 143,
4293 144, 145, 146, 147, 148, 149, 150, 151,
4294 152, 153, 154, 155, 156, 157, 158, 159,
4295 160, 161, 162, 163, 164, 165, 166, 167,
4296 168, 169, 170, 171, 172, 173, 174, 175,
4297 176, 177, 178, 179, 180, 181, 182, 183,
4298 184, 185, 186, 187, 188, 189, 190, 191,
4299 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4300 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4301 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4302 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4303 224, 225, 226, 227, 228, 229, 230, 231,
4304 232, 233, 234, 235, 236, 237, 238, 239,
4305 240, 241, 242, 243, 244, 245, 246, 247,
4306 248, 249, 250, 251, 252, 253, 254, 255
4307};
4308
4309/* upper and title case of latin1 characters, modified so that the three tricky
4310 * ones are mapped to 255 (which is one of the three) */
4311EXTCONST unsigned char PL_mod_latin1_uc[] = {
4312 0, 1, 2, 3, 4, 5, 6, 7,
4313 8, 9, 10, 11, 12, 13, 14, 15,
4314 16, 17, 18, 19, 20, 21, 22, 23,
4315 24, 25, 26, 27, 28, 29, 30, 31,
4316 32, 33, 34, 35, 36, 37, 38, 39,
4317 40, 41, 42, 43, 44, 45, 46, 47,
4318 48, 49, 50, 51, 52, 53, 54, 55,
4319 56, 57, 58, 59, 60, 61, 62, 63,
4320 64, 65, 66, 67, 68, 69, 70, 71,
4321 72, 73, 74, 75, 76, 77, 78, 79,
4322 80, 81, 82, 83, 84, 85, 86, 87,
4323 88, 89, 90, 91, 92, 93, 94, 95,
4324 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4325 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4326 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4327 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4328 128, 129, 130, 131, 132, 133, 134, 135,
4329 136, 137, 138, 139, 140, 141, 142, 143,
4330 144, 145, 146, 147, 148, 149, 150, 151,
4331 152, 153, 154, 155, 156, 157, 158, 159,
4332 160, 161, 162, 163, 164, 165, 166, 167,
4333 168, 169, 170, 171, 172, 173, 174, 175,
4334 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4335 184, 185, 186, 187, 188, 189, 190, 191,
4336 192, 193, 194, 195, 196, 197, 198, 199,
4337 200, 201, 202, 203, 204, 205, 206, 207,
4338 208, 209, 210, 211, 212, 213, 214, 215,
4339 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4340 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4341 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4342 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4343 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4344};
4345#else /* ! DOINIT */
44f2fc15 4346#ifndef EBCDIC
22c35a8c 4347EXTCONST unsigned char PL_fold[];
3871f40b 4348EXTCONST unsigned char PL_fold_latin1[];
44f2fc15 4349#endif
00f254e2
KW		 4350EXTCONST unsigned char PL_mod_latin1_uc[];
4351EXTCONST unsigned char PL_latin1_lc[];
79072805
LW		 4352#endif
4353
27da23d5 4354#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4355#ifdef DOINIT
27da23d5 4356EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4357 0, 1, 2, 3, 4, 5, 6, 7,
4358 8, 9, 10, 11, 12, 13, 14, 15,
4359 16, 17, 18, 19, 20, 21, 22, 23,
4360 24, 25, 26, 27, 28, 29, 30, 31,
4361 32, 33, 34, 35, 36, 37, 38, 39,
4362 40, 41, 42, 43, 44, 45, 46, 47,
4363 48, 49, 50, 51, 52, 53, 54, 55,
4364 56, 57, 58, 59, 60, 61, 62, 63,
4365 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4366 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4367 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4368 'x', 'y', 'z', 91, 92, 93, 94, 95,
4369 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4370 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4371 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4372 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4373 128, 129, 130, 131, 132, 133, 134, 135,
4374 136, 137, 138, 139, 140, 141, 142, 143,
4375 144, 145, 146, 147, 148, 149, 150, 151,
4376 152, 153, 154, 155, 156, 157, 158, 159,
4377 160, 161, 162, 163, 164, 165, 166, 167,
4378 168, 169, 170, 171, 172, 173, 174, 175,
4379 176, 177, 178, 179, 180, 181, 182, 183,
4380 184, 185, 186, 187, 188, 189, 190, 191,
4381 192, 193, 194, 195, 196, 197, 198, 199,
4382 200, 201, 202, 203, 204, 205, 206, 207,
4383 208, 209, 210, 211, 212, 213, 214, 215,
4384 216, 217, 218, 219, 220, 221, 222, 223,
4385 224, 225, 226, 227, 228, 229, 230, 231,
4386 232, 233, 234, 235, 236, 237, 238, 239,
4387 240, 241, 242, 243, 244, 245, 246, 247,
4388 248, 249, 250, 251, 252, 253, 254, 255
4389};
4390#else
27da23d5 4391EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4392#endif
27da23d5 4393#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4394
4395#ifdef DOINIT
9d116dd7 4396#ifdef EBCDIC
27da23d5 4397EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4398 1, 2, 84, 151, 154, 155, 156, 157,
4399 165, 246, 250, 3, 158, 7, 18, 29,
4400 40, 51, 62, 73, 85, 96, 107, 118,
4401 129, 140, 147, 148, 149, 150, 152, 153,
4402 255, 6, 8, 9, 10, 11, 12, 13,
4403 14, 15, 24, 25, 26, 27, 28, 226,
4404 29, 30, 31, 32, 33, 43, 44, 45,
4405 46, 47, 48, 49, 50, 76, 77, 78,
4406 79, 80, 81, 82, 83, 84, 85, 86,
4407 87, 94, 95, 234, 181, 233, 187, 190,
4408 180, 96, 97, 98, 99, 100, 101, 102,
4409 104, 112, 182, 174, 236, 232, 229, 103,
4410 228, 226, 114, 115, 116, 117, 118, 119,
4411 120, 121, 122, 235, 176, 230, 194, 162,
4412 130, 131, 132, 133, 134, 135, 136, 137,
4413 138, 139, 201, 205, 163, 217, 220, 224,
4414 5, 248, 227, 244, 242, 255, 241, 231,
4415 240, 253, 16, 197, 19, 20, 21, 187,
4416 23, 169, 210, 245, 237, 249, 247, 239,
4417 168, 252, 34, 196, 36, 37, 38, 39,
4418 41, 42, 251, 254, 238, 223, 221, 213,
4419 225, 177, 52, 53, 54, 55, 56, 57,
4420 58, 59, 60, 61, 63, 64, 65, 66,
4421 67, 68, 69, 70, 71, 72, 74, 75,
4422 205, 208, 186, 202, 200, 218, 198, 179,
4423 178, 214, 88, 89, 90, 91, 92, 93,
4424 217, 166, 170, 207, 199, 209, 206, 204,
4425 160, 212, 105, 106, 108, 109, 110, 111,
4426 203, 113, 216, 215, 192, 175, 193, 243,
4427 172, 161, 123, 124, 125, 126, 127, 128,
4428 222, 219, 211, 195, 188, 193, 185, 184,
4429 191, 183, 141, 142, 143, 144, 145, 146
4430};
4431#else /* ascii rather than ebcdic */
22c35a8c 4432EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4433 1, 2, 84, 151, 154, 155, 156, 157,
4434 165, 246, 250, 3, 158, 7, 18, 29,
4435 40, 51, 62, 73, 85, 96, 107, 118,
4436 129, 140, 147, 148, 149, 150, 152, 153,
4437 255, 182, 224, 205, 174, 176, 180, 217,
4438 233, 232, 236, 187, 235, 228, 234, 226,
4439 222, 219, 211, 195, 188, 193, 185, 184,
4440 191, 183, 201, 229, 181, 220, 194, 162,
4441 163, 208, 186, 202, 200, 218, 198, 179,
4442 178, 214, 166, 170, 207, 199, 209, 206,
4443 204, 160, 212, 216, 215, 192, 175, 173,
4444 243, 172, 161, 190, 203, 189, 164, 230,
4445 167, 248, 227, 244, 242, 255, 241, 231,
4446 240, 253, 169, 210, 245, 237, 249, 247,
4447 239, 168, 252, 251, 254, 238, 223, 221,
4448 213, 225, 177, 197, 171, 196, 159, 4,
4449 5, 6, 8, 9, 10, 11, 12, 13,
4450 14, 15, 16, 17, 19, 20, 21, 22,
4451 23, 24, 25, 26, 27, 28, 30, 31,
4452 32, 33, 34, 35, 36, 37, 38, 39,
4453 41, 42, 43, 44, 45, 46, 47, 48,
4454 49, 50, 52, 53, 54, 55, 56, 57,
4455 58, 59, 60, 61, 63, 64, 65, 66,
4456 67, 68, 69, 70, 71, 72, 74, 75,
4457 76, 77, 78, 79, 80, 81, 82, 83,
4458 86, 87, 88, 89, 90, 91, 92, 93,
4459 94, 95, 97, 98, 99, 100, 101, 102,
4460 103, 104, 105, 106, 108, 109, 110, 111,
4461 112, 113, 114, 115, 116, 117, 119, 120,
4462 121, 122, 123, 124, 125, 126, 127, 128,
4463 130, 131, 132, 133, 134, 135, 136, 137,
4464 138, 139, 141, 142, 143, 144, 145, 146
4465};
9d116dd7 4466#endif
79072805 4467#else
22c35a8c 4468EXTCONST unsigned char PL_freq[];
79072805
LW		 4469#endif
4470
b0812ba3
DM		 4471/* Although only used for debugging, these constants must be available in
4472 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4473 * which has DEBUGGING enabled always */
8990e307 4474#ifdef DOINIT
27da23d5 4475EXTCONST char* const PL_block_type[] = {
8990e307 4476 "NULL",
d01136d6 4477 "WHEN",
8990e307 4478 "BLOCK",
0d863452 4479 "GIVEN",
d01136d6
BS		 4480 "LOOP_FOR",
4481 "LOOP_PLAIN",
4482 "LOOP_LAZYSV",
4483 "LOOP_LAZYIV",
76753e7f
NC		 4484 "SUB",
4485 "FORMAT",
4486 "EVAL",
4487 "SUBST"
8990e307
LW		 4488};
4489#else
22c35a8c 4490EXTCONST char* PL_block_type[];
8990e307 4491#endif
8990e307 4492
b75885fd
NC		 4493/* These are all the compile time options that affect binary compatibility.
4494 Other compile time options that are binary compatible are in perl.c
4495 Both are combined for the output of perl -V
4496 However, this string will be embedded in any shared perl library, which will
4497 allow us add a comparison check in perlmain.c in the near future. */
4498#ifdef DOINIT
4499EXTCONST char PL_bincompat_options[] =
4500# ifdef DEBUG_LEAKING_SCALARS
4501 " DEBUG_LEAKING_SCALARS"
4502# endif
4503# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4504 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4505# endif
eba804b9
NC		 4506# ifdef FCRYPT
4507 " FCRYPT"
4508# endif
4509# ifdef HAS_TIMES
4510 " HAS_TIMES"
4511# endif
4512# ifdef HAVE_INTERP_INTERN
426f6eb2 4513 " HAVE_INTERP_INTERN"
eba804b9 4514# endif
b75885fd
NC		 4515# ifdef MULTIPLICITY
4516 " MULTIPLICITY"
4517# endif
4518# ifdef MYMALLOC
4519 " MYMALLOC"
4520# endif
eba804b9
NC		 4521# ifdef PERLIO_LAYERS
4522 " PERLIO_LAYERS"
4523# endif
b75885fd
NC		 4524# ifdef PERL_DEBUG_READONLY_OPS
4525 " PERL_DEBUG_READONLY_OPS"
4526# endif
4527# ifdef PERL_GLOBAL_STRUCT
4528 " PERL_GLOBAL_STRUCT"
4529# endif
4530# ifdef PERL_IMPLICIT_CONTEXT
4531 " PERL_IMPLICIT_CONTEXT"
4532# endif
4533# ifdef PERL_IMPLICIT_SYS
4534 " PERL_IMPLICIT_SYS"
4535# endif
4536# ifdef PERL_MAD
4537 " PERL_MAD"
4538# endif
eba804b9
NC		 4539# ifdef PERL_MICRO
4540 " PERL_MICRO"
4541# endif
b75885fd
NC		 4542# ifdef PERL_NEED_APPCTX
4543 " PERL_NEED_APPCTX"
4544# endif
4545# ifdef PERL_NEED_TIMESBASE
4546 " PERL_NEED_TIMESBASE"
4547# endif
4548# ifdef PERL_OLD_COPY_ON_WRITE
4549 " PERL_OLD_COPY_ON_WRITE"
4550# endif
4551# ifdef PERL_POISON
4552 " PERL_POISON"
4553# endif
5b50f57e
FC		 4554# ifdef PERL_SAWAMPERSAND
4555 " PERL_SAWAMPERSAND"
4556# endif
b75885fd
NC		 4557# ifdef PERL_TRACK_MEMPOOL
4558 " PERL_TRACK_MEMPOOL"
4559# endif
4560# ifdef PERL_USES_PL_PIDSTATUS
4561 " PERL_USES_PL_PIDSTATUS"
4562# endif
b75885fd
NC		 4563# ifdef USE_64_BIT_ALL
4564 " USE_64_BIT_ALL"
4565# endif
4566# ifdef USE_64_BIT_INT
4567 " USE_64_BIT_INT"
4568# endif
c7b392fa
NC		 4569# ifdef USE_IEEE
4570 " USE_IEEE"
4571# endif
b75885fd
NC		 4572# ifdef USE_ITHREADS
4573 " USE_ITHREADS"
4574# endif
4575# ifdef USE_LARGE_FILES
4576 " USE_LARGE_FILES"
4577# endif
eba804b9
NC		 4578# ifdef USE_LOCALE_COLLATE
4579 " USE_LOCALE_COLLATE"
4580# endif
4581# ifdef USE_LOCALE_NUMERIC
4582 " USE_LOCALE_NUMERIC"
4583# endif
b75885fd
NC		 4584# ifdef USE_LONG_DOUBLE
4585 " USE_LONG_DOUBLE"
4586# endif
4587# ifdef USE_PERLIO
4588 " USE_PERLIO"
4589# endif
4590# ifdef USE_REENTRANT_API
4591 " USE_REENTRANT_API"
4592# endif
4593# ifdef USE_SFIO
4594 " USE_SFIO"
4595# endif
4596# ifdef USE_SOCKS
4597 " USE_SOCKS"
4598# endif
4f575702
CB		 4599# ifdef VMS_DO_SOCKETS
4600 " VMS_DO_SOCKETS"
4f575702 4601# endif
e8b231c6
CB		 4602# ifdef VMS_SHORTEN_LONG_SYMBOLS
4603 " VMS_SHORTEN_LONG_SYMBOLS"
4604# endif
ad5e438d
NC		 4605# ifdef VMS_WE_ARE_CASE_SENSITIVE
4606 " VMS_SYMBOL_CASE_AS_IS"
4607# endif
a68dd89e 4608 "";
b75885fd
NC		 4609#else
4610EXTCONST char PL_bincompat_options[];
4611#endif
4612
ca7b837b
SM		 4613#ifndef PERL_SET_PHASE
4614# define PERL_SET_PHASE(new_phase) \
cb3f8189 4615 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 4616 PL_phase = new_phase;
4617#endif
4618
9ebf26ad
FR		 4619/* The interpreter phases. If these ever change, PL_phase_names right below will
4620 * need to be updated accordingly. */
4621enum perl_phase {
4622 PERL_PHASE_CONSTRUCT = 0,
4623 PERL_PHASE_START = 1,
4624 PERL_PHASE_CHECK = 2,
4625 PERL_PHASE_INIT = 3,
4626 PERL_PHASE_RUN = 4,
4627 PERL_PHASE_END = 5,
4628 PERL_PHASE_DESTRUCT = 6
4629};
4630
4631#ifdef DOINIT
4632EXTCONST char *const PL_phase_names[] = {
4633 "CONSTRUCT",
4634 "START",
4635 "CHECK",
4636 "INIT",
4637 "RUN",
4638 "END",
4639 "DESTRUCT"
4640};
4641#else
4642EXTCONST char *const PL_phase_names[];
4643#endif
4644
627364f1
FR		 4645#ifndef PERL_CORE
4646/* Do not use this macro. It only exists for extensions that rely on PL_dirty
4647 * instead of using the newer PL_phase, which provides everything PL_dirty
4648 * provided, and more. */
4649# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 4650
4651# define PL_amagic_generation PL_na
627364f1
FR		 4652#endif /* !PERL_CORE */
4653
73c4f7a1
GS		 4654END_EXTERN_C
4655
79072805
LW		 4656/*****************************************************************************/
4657/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4658/*****************************************************************************/
8990e307 4659/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4660
d4c3c482 4661#ifdef __Lynx__
9cffb111
OS		 4662/* LynxOS defines these in scsi.h which is included via ioctl.h */
4663#ifdef FORMAT
4664#undef FORMAT
4665#endif
4666#ifdef SPACE
4667#undef SPACE
4668#endif
d4c3c482 4669#endif
9cffb111 4670
fb73857a 4671#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4672
79072805
LW		 4673typedef enum {
4674 XOPERATOR,
4675 XTERM,
79072805 4676 XREF,
8990e307 4677 XSTATE,
a0d0e21e 4678 XBLOCK,
09bef843
SB		 4679 XATTRBLOCK,
4680 XATTRTERM,
6f33ba73
RGS		 4681 XTERMBLOCK,
4682 XTERMORDORDOR /* evil hack */
27308ded 4683 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4684} expectation;
4685
d5ec2987
NC		 4686/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
4687 special and there is no need for HINT_PRIVATE_MASK for COPs
4688 However, bitops store HINT_INTEGER in their op_private. */
9cfe5470
RGS		 4689#define HINT_INTEGER 0x00000001 /* integer pragma */
4690#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4691#define HINT_LOCALE 0x00000004 /* locale pragma */
4692#define HINT_BYTES 0x00000008 /* bytes pragma */
66cbab2c 4693#define HINT_LOCALE_NOT_CHARS 0x00000010 /* locale ':not_characters' pragma */
894ea76b
FC		 4694
4695#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
4696#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
4697#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 4698
4699#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4700#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4701#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 4702#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 4703
9cfe5470 4704/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4705#define HINT_NEW_INTEGER 0x00001000
4706#define HINT_NEW_FLOAT 0x00002000
4707#define HINT_NEW_BINARY 0x00004000
4708#define HINT_NEW_STRING 0x00008000
4709#define HINT_NEW_RE 0x00010000
4710#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 4711#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
4712#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 4713
9cfe5470
RGS		 4714#define HINT_RE_TAINT 0x00100000 /* re pragma */
4715#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4716
9cfe5470
RGS		 4717#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4718#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4719
e46c382e
YK		 4720#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
4721
1e215989
FC		 4722#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
4723
a803b9b4
FC		 4724#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
4725
894ea76b
FC		 4726 /* Note: Used for NATIVE_HINTS, currently
4727 defined by vms/vmsish.h:
4728 0x40000000
4729 0x80000000
4730 */
d1718a7c 4731
0239f47c 4732/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 4733#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4734#define HINT_SORT_QUICKSORT 0x00000001
4735#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4736#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4737
d3b97530
DM		 4738/* flags for PL_sawampersand */
4739
4740#define SAWAMPERSAND_LEFT 1 /* saw $` */
4741#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
4742#define SAWAMPERSAND_RIGHT 4 /* saw $' */
4743
1a904fc8
FC		 4744#ifndef PERL_SAWAMPERSAND
4745# define PL_sawampersand \
4746 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
4747#endif
4748
8bfdd7d9 4749/* Various states of the input record separator SV (rs) */
d4cce5f1 4750#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4751#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4752#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4753#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4754
128e8167 4755/* A struct for keeping various DEBUGGING related stuff,
ce333219 4756 * neatly packed. Currently only scratch variables for
128e8167
JH		 4757 * constructing debug output are included. Needed always,
4758 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4759struct perl_debug_pad {
4760 SV pad[3];
4761};
4762
4763#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4764#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4765 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4766 PERL_DEBUG_PAD(i))
ce333219 4767
56953603 4768/* Enable variables which are pointers to functions */
16c91539
BM		 4769typedef void (*peep_t)(pTHX_ OP* o);
4770typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
4771typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 4772 char* strend, char* strbeg, I32 minend,
4773 SV* screamer, void* data, U32 flags);
16c91539 4774typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 4775 char *strpos, char *strend,
4776 U32 flags,
9f61653a 4777 re_scream_pos_data *d);
16c91539
BM		 4778typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
4779typedef void (*regfree_t) (pTHX_ struct regexp* r);
4780typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 4781typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 4782
c76ac1ee 4783typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 4784typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 4785typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 4786typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 4787typedef void (*XSINIT_t) (pTHX);
4788typedef void (*ATEXIT_t) (pTHX_ void*);
4789typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4790
16c91539
BM		 4791typedef OP* (*Perl_ppaddr_t)(pTHX);
4792typedef OP* (*Perl_check_t) (pTHX_ OP*);
4793typedef void(*Perl_ophook_t)(pTHX_ OP*);
4794typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 4795typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 4796
d67594ff
FC		 4797typedef void(*globhook_t)(pTHX);
4798
88e1f1a2
JV		 4799#define KEYWORD_PLUGIN_DECLINE 0
4800#define KEYWORD_PLUGIN_STMT 1
4801#define KEYWORD_PLUGIN_EXPR 2
22239a37 4802
58a50f62
GS		 4803/* Interpreter exitlist entry */
4804typedef struct exitlistentry {
acfe0abc 4805 void (*fn) (pTHX_ void*);
58a50f62
GS		 4806 void *ptr;
4807} PerlExitListEntry;
4808
aadb217d
JH		 4809/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4810/* These have to be before perlvars.h */
4811#if !defined(HAS_SIGACTION) && defined(VMS)
4812# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4813#endif
4814/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4815#if defined(KILL_BY_SIGPRC)
4816# define FAKE_DEFAULT_SIGNAL_HANDLERS
4817#endif
4818
8c1cc017
NC		 4819#if !defined(MULTIPLICITY)
4820
4821struct interpreter {
4822 char broiled;
22239a37
NIS		 4823};
4824
8c1cc017 4825#else
22239a37 4826
d460ef45 4827/* If we have multiple interpreters define a struct
d4cce5f1 4828 holding variables which must be per-interpreter
d460ef45 4829 If we don't have threads anything that would have
d4cce5f1
NIS		 4830 be per-thread is per-interpreter.
4831*/
4832
8c1cc017 4833/* Set up PERLVAR macros for populating structs */
115ff745 4834# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 4835
4836/* 'var' is an array of length 'n' */
115ff745 4837# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 4838
4839/* initialize 'var' to init' */
115ff745 4840# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 4841
4842/* like PERLVARI, but make 'var' a const */
115ff745 4843# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 4844
79072805 4845struct interpreter {
7766f137 4846# include "intrpvar.h"
49f531da 4847};
d4cce5f1 4848
724cf8d6
NC		 4849EXTCONST U16 PL_interp_size
4850 INIT(sizeof(struct interpreter));
4851
4852# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
4853 STRUCT_OFFSET(struct interpreter, member) + \
4854 sizeof(((struct interpreter*)0)->member)
4855
4856/* This will be useful for subsequent releases, because this has to be the
4857 same in your libperl as in main(), else you have a mismatch and must abort.
4858*/
d399cf59
NC		 4859EXTCONST U16 PL_interp_size_5_18_0
4860 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 4861
4862
8c1cc017
NC		 4863# ifdef PERL_GLOBAL_STRUCT
4864/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
4865 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
4866
4867struct perl_vars {
4868# include "perlvars.h"
49f531da 4869};
8c1cc017 4870
724cf8d6
NC		 4871EXTCONST U16 PL_global_struct_size
4872 INIT(sizeof(struct perl_vars));
4873
8c1cc017
NC		 4874# ifdef PERL_CORE
4875# ifndef PERL_GLOBAL_STRUCT_PRIVATE
4876EXT struct perl_vars PL_Vars;
4877EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
4878# undef PERL_GET_VARS
4879# define PERL_GET_VARS() PL_VarsPtr
4880# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
4881# else /* PERL_CORE */
4882# if !defined(__GNUC__) || !defined(WIN32)
4883EXT
4884# endif /* WIN32 */
4885struct perl_vars *PL_VarsPtr;
4886# define PL_Vars (*((PL_VarsPtr) \
4887 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4888# endif /* PERL_CORE */
4889# endif /* PERL_GLOBAL_STRUCT */
79072805 4890
22239a37 4891/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 4892# undef PERLVAR
4893# undef PERLVARA
4894# undef PERLVARI
4895# undef PERLVARIC
8c1cc017
NC		 4896
4897#endif /* MULTIPLICITY */
79072805 4898
f7fe979e 4899struct tempsym; /* defined in pp_pack.c */
49704364 4900
22239a37 4901#include "thread.h"
79072805 4902#include "pp.h"
864dbfa3
GS		 4903
4904#ifndef PERL_CALLCONV
a0c21aa1
JH		 4905# ifdef __cplusplus
4906# define PERL_CALLCONV extern "C"
4907# else
4908# define PERL_CALLCONV
4909# endif
d460ef45 4910#endif
12a2785c
DD		 4911#ifndef PERL_CALLCONV_NO_RET
4912# define PERL_CALLCONV_NO_RET PERL_CALLCONV
4913#endif
4914
98c015b7
DD		 4915/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
4916 dont have a noreturn as a declaration specifier
4917*/
4918#ifndef PERL_STATIC_NO_RET
4919# define PERL_STATIC_NO_RET STATIC
4920#endif
4921/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
4922 builds that dont have a noreturn as a declaration specifier
4923*/
4924#ifndef PERL_STATIC_INLINE_NO_RET
4925# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
4926#endif
4927
4928
0cb96387
GS		 4929#undef PERL_CKDEF
4930#undef PERL_PPDEF
0159f81b
JH		 4931#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4932#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4933
158cfab6
JD		 4934#ifdef MYMALLOC
4935# include "malloc_ctl.h"
4936#endif
4937
7766f137 4938#include "proto.h"
864dbfa3 4939
0cb96387 4940/* this has structure inits, so it cannot be included before here */
acfe0abc 4941#include "opcode.h"
864dbfa3 4942
d4cce5f1
NIS		 4943/* The following must follow proto.h as #defines mess up syntax */
4944
22c35a8c
GS		 4945#if !defined(PERL_FOR_X2P)
4946# include "embedvar.h"
4947#endif
598921a7
NC		 4948#ifndef PERL_MAD
4949# undef PL_madskills
4950# undef PL_xmlfp
4951# define PL_madskills 0
4952# define PL_xmlfp 0
4953#endif
d4cce5f1 4954
d460ef45 4955/* Now include all the 'global' variables
d4cce5f1 4956 * If we don't have threads or multiple interpreters
d460ef45 4957 * these include variables that would have been their struct-s
d4cce5f1 4958 */
d460ef45 4959
115ff745
NC		 4960#define PERLVAR(prefix,var,type) EXT type PL_##var;
4961#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
4962#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
4963#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 4964
acfe0abc 4965#if !defined(MULTIPLICITY)
7766f137 4966START_EXTERN_C
066ef5b5 4967# include "intrpvar.h"
7766f137 4968END_EXTERN_C
22239a37
NIS		 4969#endif
4970
24792b8d
NC		 4971#ifdef PERL_CORE
4972/* All core uses now exterminated. Ensure no zombies can return: */
4973# undef PL_na
4974#endif
4975
f9293c5b
NC		 4976/* Now all the config stuff is setup we can include embed.h
4977 In particular, need the relevant *ish file included already, as it may
4978 define HAVE_INTERP_INTERN */
4979#include "embed.h"
4980#ifndef PERL_MAD
4981# undef op_getmad
4982# define op_getmad(arg,pegop,slot) NOOP
acfe0abc 4983#endif
22239a37 4984
c5be433b
GS		 4985#ifndef PERL_GLOBAL_STRUCT
4986START_EXTERN_C
4987
4988# include "perlvars.h"
4989
4990END_EXTERN_C
4991#endif
4992
d4cce5f1 4993#undef PERLVAR
51371543 4994#undef PERLVARA
d4cce5f1 4995#undef PERLVARI
0f3f18a6 4996#undef PERLVARIC
79072805 4997
73c4f7a1
GS		 4998START_EXTERN_C
4999
af2f0da9
NC		 5000/* dummy variables that hold pointers to both runops functions, thus forcing
5001 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5002
5003EXTCONST runops_proc_t PL_runops_std
5004 INIT(Perl_runops_standard);
5005EXTCONST runops_proc_t PL_runops_dbg
5006 INIT(Perl_runops_debug);
5007
bc028b6b
JH		 5008/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5009 * magic vtables const, but this is incompatible with SWIG which
5010 * does want to modify the vtables. */
5011#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5012# define EXT_MGVTBL EXTCONST MGVTBL
5013#else
5014# define EXT_MGVTBL EXT MGVTBL
5015#endif
5016
82ff486e 5017#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5018#define PERL_MAGIC_VALUE_MAGIC 0x80
5019#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5020#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5021 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5022#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5023 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5024
8b09643d 5025#include "mg_vtable.h"
6f83ef0e
NC		 5026
5027#ifdef DOINIT
5028EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5029# ifdef PERL_MICRO
5030# include "umg_data.h"
5031# else
5032# include "mg_data.h"
5033# endif
6f83ef0e
NC		 5034;
5035#else
5036EXTCONST U8 PL_magic_data[256];
5037#endif
5038
f1fb8741
DM		 5039#ifdef DOINIT
5040 /* NL BD IV NV PV PI PN MG RX GV LV AV HV CV FM IO */
5041EXTCONST bool
5042PL_valid_types_IVX[] = { 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5043EXTCONST bool
5044PL_valid_types_NVX[] = { 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
5045EXTCONST bool
8d919b0a 5046PL_valid_types_PVX[] = { 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741
DM		 5047EXTCONST bool
5048PL_valid_types_RV[] = { 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
5049EXTCONST bool
5050PL_valid_types_IV_set[] = { 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
5051EXTCONST bool
5052PL_valid_types_NV_set[] = { 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
5053
5054#else
5055
5056EXTCONST bool PL_valid_types_IVX[];
5057EXTCONST bool PL_valid_types_NVX[];
5058EXTCONST bool PL_valid_types_PVX[];
5059EXTCONST bool PL_valid_types_RV[];
5060EXTCONST bool PL_valid_types_IV_set[];
5061EXTCONST bool PL_valid_types_NV_set[];
5062
5063#endif
5064
c7627e6d
NC		 5065#ifndef PERL_NO_INLINE_FUNCTIONS
5066/* Static inline funcs that depend on includes and declarations above.
5067 Some of these reference functions in the perl object files, and some
5068 compilers aren't smart enough to eliminate unused static inline
5069 functions, so including this file in source code can cause link errors
5070 even if the source code uses none of the functions. Hence including these
5071 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5072 (obviously) result in unworkable XS code, but allows simple probing code
5073 to continue to work, because it permits tests to include the perl headers
5074 for definitions without creating a link dependency on the perl library
5075 (which may not exist yet).
5076*/
5077
5078# include "inline.h"
5079#endif
f1fb8741 5080
bab3dc31 5081#include "overload.h"
a0d0e21e 5082
73c4f7a1
GS		 5083END_EXTERN_C
5084
a6006777 5085struct am_table {
8978b4ac
NC		 5086 U8 flags;
5087 U8 fallback;
5088 U16 spare;
eb160463 5089 U32 was_ok_sub;
9bd87817 5090 CV* table[NofAMmeth];
a0d0e21e 5091};
a6006777 5092struct am_table_short {
8978b4ac
NC		 5093 U8 flags;
5094 U8 fallback;
5095 U16 spare;
eb160463 5096 U32 was_ok_sub;
a6006777 5097};
a0d0e21e 5098typedef struct am_table AMT;
a6006777 5099typedef struct am_table_short AMTS;
a0d0e21e
LW		 5100
5101#define AMGfallNEVER 1
5102#define AMGfallNO 2
5103#define AMGfallYES 3
5104
a6006777 5105#define AMTf_AMAGIC 1
5106#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5107#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5108#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5109
32251b26 5110#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5111
5112/*
5113 * some compilers like to redefine cos et alia as faster
5114 * (and less accurate?) versions called F_cos et cetera (Quidquid
5115 * latine dictum sit, altum viditur.) This trick collides with
5116 * the Perl overloading (amg). The following #defines fool both.
5117 */
5118
5119#ifdef _FASTMATH
5120# ifdef atan2
5121# define F_atan2_amg atan2_amg
5122# endif
5123# ifdef cos
5124# define F_cos_amg cos_amg
5125# endif
5126# ifdef exp
5127# define F_exp_amg exp_amg
5128# endif
5129# ifdef log
5130# define F_log_amg log_amg
5131# endif
5132# ifdef pow
5133# define F_pow_amg pow_amg
5134# endif
5135# ifdef sin
5136# define F_sin_amg sin_amg
5137# endif
5138# ifdef sqrt
5139# define F_sqrt_amg sqrt_amg
5140# endif
5141#endif /* _FASTMATH */
5142
83ee9e09
GS		 5143#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5144 PERLDBf_NOOPT | PERLDBf_INTER | \
5145 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5146 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5147 PERLDBf_SAVESRC)
925cfbb8 5148 /* No _NONAME, _GOTO */
83ee9e09
GS		 5149#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5150#define PERLDBf_LINE 0x02 /* Keep line # */
5151#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5152#define PERLDBf_INTER 0x08 /* Preserve more data for
5153 later inspections */
5154#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5155#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5156#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5157#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5158#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5159#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5160#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5161#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5162#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5163
3280af22
NIS		 5164#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
5165#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
5166#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
5167#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
5168#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
5169#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
5170#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
5171#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 5172#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
5173#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
b8fcbefe 5174#define PERLDB_SAVESRC (PL_perldb && (PL_perldb & PERLDBf_SAVESRC))
c30d8139
NC		 5175#define PERLDB_SAVESRC_NOSUBS (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_NOSUBS))
5176#define PERLDB_SAVESRC_INVALID (PL_perldb && (PL_perldb & PERLDBf_SAVESRC_INVALID))
bbce6d69 5177
36477c24 5178#ifdef USE_LOCALE_NUMERIC
bbce6d69 5179
36477c24 5180#define SET_NUMERIC_STANDARD() \
ff4fed7c 5181 set_numeric_standard();
36477c24 5182
5183#define SET_NUMERIC_LOCAL() \
ff4fed7c 5184 set_numeric_local();
bbce6d69 5185
66cbab2c
KW		 5186/* Returns non-zero If the plain locale pragma without a parameter is in effect
5187 */
a98fe34d 5188#define IN_LOCALE_RUNTIME (CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c
KW		 5189
5190/* Returns non-zero If either form of the locale pragma is in effect */
5191#define IN_SOME_LOCALE_FORM_RUNTIME \
5192 (CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
5193
2de3dbcc 5194#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
66cbab2c
KW		 5195#define IN_SOME_LOCALE_FORM_COMPILETIME \
5196 (PL_hints & (HINT_LOCALE|HINT_LOCALE_NOT_CHARS))
2de3dbcc
JH		 5197
5198#define IN_LOCALE \
923e4eb5 5199 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
66cbab2c
KW		 5200#define IN_SOME_LOCALE_FORM \
5201 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5202 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5203
f93f4e46 5204#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 5205 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 5206 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 5207
5208#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 5209 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 5210 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 5211
5212#define RESTORE_NUMERIC_LOCAL() \
5213 if (was_local) SET_NUMERIC_LOCAL();
5214
5215#define RESTORE_NUMERIC_STANDARD() \
5216 if (was_standard) SET_NUMERIC_STANDARD();
5217
5b877257 5218#define Atof my_atof
097ee67d 5219
36477c24 5220#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5221
097ee67d
JH		 5222#define SET_NUMERIC_STANDARD() /**/
5223#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5224#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5225#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5226#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 5227#define RESTORE_NUMERIC_LOCAL() /**/
5228#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 5229#define Atof my_atof
ad3e0f90 5230#define IN_LOCALE_RUNTIME 0
d40eae8f 5231#define IN_LOCALE_COMPILETIME 0
bbce6d69 5232
36477c24 5233#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5234
85b76970
SH		 5235#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5236 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5237# ifdef __hpux
5238# define strtoll __strtoll /* secret handshake */
5239# endif
c623ac67
GS		 5240# ifdef WIN64
5241# define strtoll _strtoi64 /* secret handshake */
5242# endif
079290de
GS		 5243# if !defined(Strtol) && defined(HAS_STRTOLL)
5244# define Strtol strtoll
ad551343 5245# endif
28e5dec8
JH		 5246# if !defined(Strtol) && defined(HAS_STRTOQ)
5247# define Strtol strtoq
5248# endif
ff935051 5249/* is there atoq() anywhere? */
15b99d39 5250#endif
079290de
GS		 5251#if !defined(Strtol) && defined(HAS_STRTOL)
5252# define Strtol strtol
5253#endif
5254#ifndef Atol
5255/* It would be more fashionable to use Strtol() to define atol()
5256 * (as is done for Atoul(), see below) but for backward compatibility
5257 * we just assume atol(). */
85b76970
SH		 5258# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5259 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5260# ifdef WIN64
5261# define atoll _atoi64 /* secret handshake */
5262# endif
76b882ba
JH		 5263# define Atol atoll
5264# else
5265# define Atol atol
5266# endif
cf2093f6
JH		 5267#endif
5268
85b76970
SH		 5269#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5270 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5271# ifdef __hpux
5272# define strtoull __strtoull /* secret handshake */
5273# endif
c623ac67
GS		 5274# ifdef WIN64
5275# define strtoull _strtoui64 /* secret handshake */
5276# endif
ad551343 5277# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5278# define Strtoul strtoull
15b99d39 5279# endif
079290de
GS		 5280# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5281# define Strtoul strtouq
5282# endif
76d49b1c 5283/* is there atouq() anywhere? */
ad551343 5284#endif
079290de
GS		 5285#if !defined(Strtoul) && defined(HAS_STRTOUL)
5286# define Strtoul strtoul
cf2093f6 5287#endif
a5523c5b
JH		 5288#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5289# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5290#endif
079290de 5291#ifndef Atoul
d4c19fe8 5292# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5293#endif
cf2093f6 5294
760ac839 5295
06d86050
GS		 5296/* if these never got defined, they need defaults */
5297#ifndef PERL_SET_CONTEXT
5298# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5299#endif
5300
5301#ifndef PERL_GET_CONTEXT
5302# define PERL_GET_CONTEXT PERL_GET_INTERP
5303#endif
5304
5305#ifndef PERL_GET_THX
5306# define PERL_GET_THX ((void*)NULL)
5307#endif
5308
5309#ifndef PERL_SET_THX
5310# define PERL_SET_THX(t) NOOP
5311#endif
5312
a868473f
NIS		 5313#ifndef PERL_SCRIPT_MODE
5314#define PERL_SCRIPT_MODE "r"
5315#endif
5316
fba3b22e 5317/*
da927450
JH		 5318 * Some operating systems are stingy with stack allocation,
5319 * so perl may have to guard against stack overflow.
5320 */
5321#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5322#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5323#endif
5324
5325/*
5326 * Some nonpreemptive operating systems find it convenient to
5327 * check for asynchronous conditions after each op execution.
5328 * Keep this check simple, or it may slow down execution
5329 * massively.
5330 */
ce08f86c 5331
1d615522 5332#ifndef PERL_MICRO
4ffa73a3 5333# ifndef PERL_ASYNC_CHECK
16c91539 5334# define PERL_ASYNC_CHECK() if (PL_sig_pending) PL_signalhook(aTHX)
4ffa73a3 5335# endif
ce08f86c
NIS		 5336#endif
5337
da927450 5338#ifndef PERL_ASYNC_CHECK
1d615522 5339# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5340#endif
5341
5342/*
5343 * On some operating systems, a memory allocation may succeed,
5344 * but put the process too close to the system's comfort limit.
5345 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5346 * it to NULL.
5347 */
5348#ifndef PERL_ALLOC_CHECK
c2af87cb 5349#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5350#endif
5351
bd89102f
AD		 5352#ifdef HAS_SEM
5353# include <sys/ipc.h>
5354# include <sys/sem.h>
5355# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5356 union semun {
dbba660d
TC		 5357 int val;
5358 struct semid_ds *buf;
5359 unsigned short *array;
bd89102f
AD		 5360 };
5361# endif
5362# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5363# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5364 union gccbug_semun {
5365 int val;
5366 struct semid_ds *buf;
5367 unsigned short *array;
5368 char __dummy[5];
5369 };
5370# define semun gccbug_semun
5371# endif
bd89102f
AD		 5372# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5373# else
5374# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5375# ifdef EXTRA_F_IN_SEMUN_BUF
5376# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5377# else
5378# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5379# endif
bd89102f
AD		 5380# endif
5381# endif
bd89102f 5382#endif
49f531da 5383
89ca4ac7
JH		 5384/*
5385 * Boilerplate macros for initializing and accessing interpreter-local
5386 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 5387 * this, if you want to make the extension thread-safe. See
5388 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
5389 * and perlxs.pod for more.
89ca4ac7
JH		 5390 *
5391 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5392 * 1. #define MY_CXT_KEY to a unique string, e.g.
5393 * "DynaLoader::_guts" XS_VERSION
f16dd614 5394 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5395 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5396 * all the data that needs to be interpreter-local.
5397 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5398 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5399 * (typically put in the BOOT: section).
5400 * 5. Use the members of the my_cxt_t structure everywhere as
5401 * MY_CXT.member.
5402 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5403 * access MY_CXT.
5404 */
5405
fc958cd2 5406#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 5407
4eddb856 5408/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 5409 * right after the definition (i.e. at file scope). The non-threads
5410 * case below uses it to declare the data as static. */
00ab59c9
DM		 5411# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5412# define START_MY_CXT
5413# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
5414# define MY_CXT_INIT_ARG MY_CXT_KEY
5415# else
5416# define START_MY_CXT static int my_cxt_index = -1;
5417# define MY_CXT_INDEX my_cxt_index
5418# define MY_CXT_INIT_ARG &my_cxt_index
5419# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 5420
5421/* Creates and zeroes the per-interpreter data.
5422 * (We allocate my_cxtp in a Perl SV so that it will be released when
5423 * the interpreter goes away.) */
00ab59c9 5424# define MY_CXT_INIT \
53d44271 5425 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5426 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5427 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 5428# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 5429 my_cxt_t *my_cxtp = \
9f6df31a
Z		 5430 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
5431 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 5432
5433/* This declaration should be used within all functions that use the
5434 * interpreter-local data. */
00ab59c9 5435# define dMY_CXT \
53d44271 5436 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 5437# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 5438 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
5439
5440/* Clones the per-interpreter data. */
00ab59c9 5441# define MY_CXT_CLONE \
53d44271
JH		 5442 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5443 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
5444 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
5445
53d44271 5446
89ca4ac7 5447/* This macro must be used to access members of the my_cxt_t structure.
870598ae 5448 * e.g. MY_CXT.some_data */
00ab59c9 5449# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 5450
5451/* Judicious use of these macros can reduce the number of times dMY_CXT
5452 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 5453# define pMY_CXT my_cxt_t *my_cxtp
5454# define pMY_CXT_ pMY_CXT,
5455# define _pMY_CXT ,pMY_CXT
5456# define aMY_CXT my_cxtp
5457# define aMY_CXT_ aMY_CXT,
5458# define _aMY_CXT ,aMY_CXT
89ca4ac7 5459
f16dd614 5460#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 5461
00ab59c9
DM		 5462# define START_MY_CXT static my_cxt_t my_cxt;
5463# define dMY_CXT_SV dNOOP
5464# define dMY_CXT dNOOP
5465# define dMY_CXT_INTERP(my_perl) dNOOP
5466# define MY_CXT_INIT NOOP
5467# define MY_CXT_CLONE NOOP
5468# define MY_CXT my_cxt
5469
5470# define pMY_CXT void
5471# define pMY_CXT_
5472# define _pMY_CXT
5473# define aMY_CXT
5474# define aMY_CXT_
5475# define _aMY_CXT
89ca4ac7 5476
f16dd614 5477#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5478
9a34ef1d
GS		 5479#ifdef I_FCNTL
5480# include <fcntl.h>
9a34ef1d
GS		 5481#endif
5482
9cffb111
OS		 5483#ifdef __Lynx__
5484# include <fcntl.h>
5485#endif
5486
9a34ef1d
GS		 5487#ifdef I_SYS_FILE
5488# include <sys/file.h>
5489#endif
5490
fa0a29af 5491#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5492int flock(int fd, int op);
5493#endif
5494
fe52b3b7
GS		 5495#ifndef O_RDONLY
5496/* Assume UNIX defaults */
5497# define O_RDONLY 0000
5498# define O_WRONLY 0001
5499# define O_RDWR 0002
5500# define O_CREAT 0100
5501#endif
9a34ef1d 5502
16fe6d59
GS		 5503#ifndef O_BINARY
5504# define O_BINARY 0
5505#endif
5506
5507#ifndef O_TEXT
5508# define O_TEXT 0
5509#endif
5510
6ce75a77
JH		 5511#if O_TEXT != O_BINARY
5512 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5513 * that is, you are somehow DOSish. */
b6c36746
NC		 5514# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
5515 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5516 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5517 /* VOS has O_TEXT != O_BINARY, and they have effect,
5518 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5519 /* If you have O_TEXT different from your O_BINARY but you still are
5520 * not a CRLF shop. */
35990314 5521# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5522# else
5523 /* If you really are DOSish. */
5524# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5525# endif
5526#endif
5527
4bc88a62
PS		 5528#ifdef I_LIBUTIL
5529# include <libutil.h> /* setproctitle() in some FreeBSDs */
5530#endif
5531
b4748376 5532#ifndef EXEC_ARGV_CAST
360ea906 5533#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 5534#endif
5535
dd5dc04f
JH		 5536#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5537 int). value returned in pointed-
5538 to UV */
5539#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5540#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5541#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5542#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5543#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5544
5545#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5546
53305cf1
NC		 5547/* Input flags: */
5548#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5549#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5550#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 5551#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
5552 numbers which are <= UV_MAX */
53305cf1
NC		 5553/* Output flags: */
5554#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5555
2c4f7f0e
DM		 5556/* to let user control profiling */
5557#ifdef PERL_GPROF_CONTROL
5558extern void moncontrol(int);
5559#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5560#else
5561#define PERL_GPROF_MONCONTROL(x)
5562#endif
5563
ae0e3d3b
JH		 5564#ifdef UNDER_CE
5565#include "wince.h"
5566#endif
5567
5568/* ISO 6429 NEL - C1 control NExt Line */
5569/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 5570#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 5571
5572/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5573#define UNICODE_LINE_SEPA_0 0xE2
5574#define UNICODE_LINE_SEPA_1 0x80
5575#define UNICODE_LINE_SEPA_2 0xA8
5576#define UNICODE_PARA_SEPA_0 0xE2
5577#define UNICODE_PARA_SEPA_1 0x80
5578#define UNICODE_PARA_SEPA_2 0xA9
5579
479b2847
GS		 5580#ifndef PIPESOCK_MODE
5581# define PIPESOCK_MODE
5582#endif
5583
460c8493
IZ		 5584#ifndef SOCKET_OPEN_MODE
5585# define SOCKET_OPEN_MODE PIPESOCK_MODE
5586#endif
5587
5588#ifndef PIPE_OPEN_MODE
5589# define PIPE_OPEN_MODE PIPESOCK_MODE
5590#endif
5591
7e8c5dac
HS		 5592#define PERL_MAGIC_UTF8_CACHESIZE 2
5593
a05d7ebb
JH		 5594#define PERL_UNICODE_STDIN_FLAG 0x0001
5595#define PERL_UNICODE_STDOUT_FLAG 0x0002
5596#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5597#define PERL_UNICODE_IN_FLAG 0x0008
5598#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5599#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5600#define PERL_UNICODE_LOCALE_FLAG 0x0040
5601#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 5602#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 5603
06e66572
JH		 5604#define PERL_UNICODE_STD_FLAG \
5605 (PERL_UNICODE_STDIN_FLAG | \
5606 PERL_UNICODE_STDOUT_FLAG | \
5607 PERL_UNICODE_STDERR_FLAG)
5608
5609#define PERL_UNICODE_INOUT_FLAG \
5610 (PERL_UNICODE_IN_FLAG | \
5611 PERL_UNICODE_OUT_FLAG)
5612
5613#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5614 (PERL_UNICODE_STD_FLAG | \
5615 PERL_UNICODE_INOUT_FLAG | \
5616 PERL_UNICODE_LOCALE_FLAG)
5617
5a22a2bb 5618#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 5619
5620#define PERL_UNICODE_STDIN 'I'
5621#define PERL_UNICODE_STDOUT 'O'
5622#define PERL_UNICODE_STDERR 'E'
5623#define PERL_UNICODE_STD 'S'
5624#define PERL_UNICODE_IN 'i'
5625#define PERL_UNICODE_OUT 'o'
5626#define PERL_UNICODE_INOUT 'D'
5627#define PERL_UNICODE_ARGV 'A'
5628#define PERL_UNICODE_LOCALE 'L'
5629#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 5630#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 5631
4ffa73a3
JH		 5632#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5633
32fdb065 5634/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5635 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5636#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5637
3c0f78ca
JH		 5638#if defined(__DECC) && defined(__osf__)
5639#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5640#endif
5641
e4dba786
NC		 5642#define do_open(g, n, l, a, rm, rp, sf) \
5643 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5644#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5645# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5646#endif
15871fce
NC		 5647#ifdef OS2
5648# define do_aexec Perl_do_aexec
5649#else
5650# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5651#endif
e4dba786 5652
2f3efc97
JH		 5653#if defined(OEMVS)
5654#define NO_ENV_ARRAY_IN_MAIN
5655#endif
5656
00f254e2
KW		 5657/* These are used by Perl_pv_escape() and Perl_pv_pretty()
5658 * are here so that they are available throughout the core
10edeb5d
JH		 5659 * NOTE that even though some are for _escape and some for _pretty
5660 * there must not be any clashes as the flags from _pretty are
5661 * passed straight through to _escape.
5662 */
5663
5664#define PERL_PV_ESCAPE_QUOTE 0x0001
5665#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
5666
95b611b0 5667#define PERL_PV_PRETTY_ELLIPSES 0x0002
10edeb5d
JH		 5668#define PERL_PV_PRETTY_LTGT 0x0004
5669
5670#define PERL_PV_ESCAPE_FIRSTCHAR 0x0008
5671
00f254e2 5672#define PERL_PV_ESCAPE_UNI 0x0100
10edeb5d 5673#define PERL_PV_ESCAPE_UNI_DETECT 0x0200
681f01c2 5674#define PERL_PV_ESCAPE_NONASCII 0x0400
10edeb5d
JH		 5675
5676#define PERL_PV_ESCAPE_ALL 0x1000
5677#define PERL_PV_ESCAPE_NOBACKSLASH 0x2000
5678#define PERL_PV_ESCAPE_NOCLEAR 0x4000
44a2ac75 5679#define PERL_PV_ESCAPE_RE 0x8000
10edeb5d 5680
881a015e
NC		 5681#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
5682
10edeb5d 5683/* used by pv_display in dump.c*/
95b611b0 5684#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 5685#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 5686
5687/*
5688
5689 (KEEP THIS LAST IN perl.h!)
5690
5691 Mention
d460ef45 5692
43999f95 5693 NV_PRESERVES_UV
fe749a9f 5694
fe749a9f
JH		 5695 HAS_MKSTEMP
5696 HAS_MKSTEMPS
5697 HAS_MKDTEMP
5698
49dabb45
JH		 5699 HAS_GETCWD
5700
d59b5429 5701 HAS_MMAP
fe749a9f
JH		 5702 HAS_MPROTECT
5703 HAS_MSYNC
1e8c3fde 5704 HAS_MADVISE
fe749a9f
JH		 5705 HAS_MUNMAP
5706 I_SYSMMAN
5707 Mmap_t
5708
6b4667fc
A		 5709 NVef
5710 NVff
5711 NVgf
5712
4e0554ec 5713 HAS_UALARM
2d736872 5714 HAS_USLEEP
4e0554ec
JH		 5715
5716 HAS_SETITIMER
5717 HAS_GETITIMER
5718
5719 HAS_SENDMSG
5720 HAS_RECVMSG
5721 HAS_READV
5722 HAS_WRITEV
5723 I_SYSUIO
5724 HAS_STRUCT_MSGHDR
5725 HAS_STRUCT_CMSGHDR
5726
2765b840 5727 HAS_NL_LANGINFO
0a7020c9 5728
ae0e3d3b 5729 HAS_DIRFD
2765b840 5730
10edeb5d 5731 so that Configure picks them up.
ab3bbdeb 5732
10edeb5d 5733 (KEEP THIS LAST IN perl.h!)
3df15adc 5734
10edeb5d 5735*/
3df15adc 5736
85e6fe83 5737#endif /* Include guard */
e9a8c099
MHM		 5738
5739/*
5740 * Local variables:
5741 * c-indentation-style: bsd
5742 * c-basic-offset: 4
14d04a33 5743 * indent-tabs-mode: nil
e9a8c099
MHM		 5744 * End:
5745 *
14d04a33 5746 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 5747 */
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