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Make typedef fully typedef
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW
11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW
14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
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21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
d460ef45 25#ifdef PERL_MICRO
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26# include "uconfig.h"
27#else
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28# ifndef USE_CROSS_COMPILE
29# include "config.h"
30# else
31# include "xconfig.h"
32# endif
12ae5dfc 33#endif
0cb96387 34
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35/* See L<perlguts/"The Perl API"> for detailed notes on
36 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
37
ac6bedea
JH
38/* Note that from here --> to <-- the same logic is
39 * repeated in makedef.pl, so be certain to update
40 * both places when editing. */
41
6f4183fe 42#ifdef USE_ITHREADS
acfe0abc 43# if !defined(MULTIPLICITY)
6f4183fe
GS
44# define MULTIPLICITY
45# endif
46#endif
47
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48#ifdef PERL_GLOBAL_STRUCT_PRIVATE
49# ifndef PERL_GLOBAL_STRUCT
50# define PERL_GLOBAL_STRUCT
51# endif
52#endif
97aff369 53
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54#ifdef PERL_GLOBAL_STRUCT
55# ifndef MULTIPLICITY
56# define MULTIPLICITY
57# endif
58#endif
59
97aff369
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60#ifdef MULTIPLICITY
61# ifndef PERL_IMPLICIT_CONTEXT
62# define PERL_IMPLICIT_CONTEXT
63# endif
64#endif
65
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66/* undef WIN32 when building on Cygwin (for libwin32) - gph */
67#ifdef __CYGWIN__
68# undef WIN32
69# undef _WIN32
70#endif
71
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72#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
73# ifndef SYMBIAN
74# define SYMBIAN
75# endif
76#endif
77
a0fd4948 78#ifdef __SYMBIAN32__
27da23d5
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79# include "symbian/symbian_proto.h"
80#endif
81
82/* Any stack-challenged places. The limit varies (and often
83 * is configurable), but using more than a kilobyte of stack
84 * is usually dubious in these systems. */
739a0b84
NC
85#if defined(__SYMBIAN32__)
86/* Symbian: need to work around the SDK features. *
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87 * On WINS: MS VC5 generates calls to _chkstk, *
88 * if a "large" stack frame is allocated. *
89 * gcc on MARM does not generate calls like these. */
90# define USE_HEAP_INSTEAD_OF_STACK
91#endif
92
dd134d2c 93/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 94/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 95#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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96# define USE_REENTRANT_API
97#endif
98
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99/* <--- here ends the logic shared by perl.h and makedef.pl */
100
af28e889 101/*
6239f2da
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102 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
103 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH
104 * __bsdi__ for BSD/OS
105 */
6239f2da 106#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
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107# ifndef BSDish
108# define BSDish
109# endif
110#endif
111
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112/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
113#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
114# define USING_MSVC6
115#endif
116
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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
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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
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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();
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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
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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
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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
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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
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185# define pTHX_2 3
186# define pTHX_3 4
187# define pTHX_4 5
4373e329
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188# define pTHX_5 6
189# define pTHX_6 7
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190# define pTHX_7 8
191# define pTHX_8 9
192# define pTHX_9 10
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193# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
194# define PERL_TRACK_MEMPOOL
195# endif
196#else
197# undef PERL_TRACK_MEMPOOL
c5be433b
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198#endif
199
76e3520e 200#define STATIC static
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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
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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)
a340edde 224#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 225 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 226 (strbeg),(minend),(sv),(data),(flags))
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227#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
228 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (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))
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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))
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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))
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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))
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256
257#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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259
260#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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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))
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268
269#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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271
272#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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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
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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
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292
293
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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
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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
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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
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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
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357/* Don't bother defining tTHX and sTHX; using them outside
358 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
359 */
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360# define pTHX void
361# define pTHX_
0cb96387
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362# define aTHX
363# define aTHX_
9399a70c 364# define aTHXa(a) NOOP
0cb96387
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365# define dTHXa(a) dNOOP
366# define dTHX dNOOP
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367# define pTHX_1 1
368# define pTHX_2 2
369# define pTHX_3 3
370# define pTHX_4 4
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371# define pTHX_5 5
372# define pTHX_6 6
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373# define pTHX_7 7
374# define pTHX_8 8
375# define pTHX_9 9
0cb96387
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376#endif
377
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378#ifndef dVAR
379# define dVAR dNOOP
380#endif
381
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382/* these are only defined for compatibility; should not be used internally */
383#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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384# define pTHXo pTHX
385# define pTHXo_ pTHX_
0cb96387
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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
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404# ifdef PERL_GLOBAL_STRUCT_PRIVATE
405# define dTHXs dVAR; dTHX
406# else
407# define dTHXs dTHX
408# endif
1de7c2ac 409#else
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410# ifdef PERL_GLOBAL_STRUCT_PRIVATE
411# define dTHXs dVAR
412# else
413# define dTHXs dNOOP
414# endif
1de7c2ac
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415#endif
416
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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
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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
e5afc1ae 437/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 438 * g++ allows them but seems to have problems with them
70aab261
RB
439 * (insane errors ensue).
440 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
441 */
442#if defined(PERL_GCC_PEDANTIC) || \
443 (defined(__GNUC__) && defined(__cplusplus) && \
444 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 445# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
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446# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
447# endif
5dc8bdac
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448#endif
449
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JH
450#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
451# ifndef PERL_USE_GCC_BRACE_GROUPS
452# define PERL_USE_GCC_BRACE_GROUPS
453# endif
454#endif
455
728e2803
PP
456/*
457 * STMT_START { statements; } STMT_END;
458 * can be used as a single statement, as in
459 * if (x) STMT_START { ... } STMT_END; else ...
460 *
461 * Trying to select a version that gives no warnings...
462 */
463#if !(defined(STMT_START) && defined(STMT_END))
5b692037 464# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 465# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
466# define STMT_END )
467# else
728e2803
PP
468# define STMT_START do
469# define STMT_END while (0)
728e2803
PP
470# endif
471#endif
472
d6f9c181
JH
473#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
474# define BYTEORDER 0x1234
79072805
LW
475#endif
476
477/* Overall memory policy? */
478#ifndef CONSERVATIVE
479# define LIBERAL 1
480#endif
481
8ada0baa
JH
482#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
483#define ASCIIish
484#else
485#undef ASCIIish
486#endif
487
79072805
LW
488/*
489 * The following contortions are brought to you on behalf of all the
490 * standards, semi-standards, de facto standards, not-so-de-facto standards
491 * of the world, as well as all the other botches anyone ever thought of.
492 * The basic theory is that if we work hard enough here, the rest of the
493 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
494 */
ac58e20f 495
ee0007ab 496/* define this once if either system, instead of cluttering up the src */
7c458fae 497#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
498#define DOSISH 1
499#endif
500
739a0b84 501#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
502# define STANDARD_C 1
503#endif
504
8d87852b 505#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
506# define DONT_DECLARE_STD 1
507#endif
508
352d5a3a 509#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 510# define VOL volatile
663a0e37 511#else
79072805 512# define VOL
663a0e37
LW
513#endif
514
284167a5
SM
515/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
516 * you get a perl without taint support, but doubtlessly with a lesser
517 * degree of support. Do not do so unless you know exactly what it means
518 * technically, have a good reason to do so, and know exactly how the
519 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
520 * a potential security risk due to flat out ignoring the security-relevant
521 * taint flags. This being said, a perl without taint support compiled in
522 * has marginal run-time performance benefits.
523 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
524 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
525 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
526 *
527 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 528 * voids your nonexistent warranty!
284167a5
SM
529 */
530#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
531# define NO_TAINT_SUPPORT 1
532#endif
533
534/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
535 * operations into no-ops for a very modest speed-up. Enable only if you
536 * know what you're doing: tests and CPAN modules' tests are bound to fail.
537 */
538#if NO_TAINT_SUPPORT
539# define TAINT NOOP
540# define TAINT_NOT NOOP
541# define TAINT_IF(c) NOOP
542# define TAINT_ENV() NOOP
543# define TAINT_PROPER(s) NOOP
544# define TAINT_set(s) NOOP
545# define TAINT_get 0
546# define TAINTING_get 0
547# define TAINTING_set(s) NOOP
548# define TAINT_WARN_get 0
549# define TAINT_WARN_set(s) NOOP
550#else
551# define TAINT (PL_tainted = TRUE)
552# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
553# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
554# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
555# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
556# define TAINT_set(s) (PL_tainted = (s))
557# define TAINT_get (PL_tainted)
558# define TAINTING_get (PL_tainting)
559# define TAINTING_set(s) (PL_tainting = (s))
560# define TAINT_WARN_get (PL_taint_warn)
561# define TAINT_WARN_set(s) (PL_taint_warn = (s))
562#endif
a687059c 563
20be6587
DM
564/* flags used internally only within pp_subst and pp_substcont */
565#ifdef PERL_CORE
566# define SUBST_TAINT_STR 1 /* string tainted */
567# define SUBST_TAINT_PAT 2 /* pattern tainted */
568# define SUBST_TAINT_REPL 4 /* replacement tainted */
569# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
570# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
571#endif
572
d460ef45 573/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
574 defines move there? If so, I could simplify this a lot. --AD 9/96.
575*/
576/* Process group stuff changed from traditional BSD to POSIX.
577 perlfunc.pod documents the traditional BSD-style syntax, so we'll
578 try to preserve that, if possible.
579*/
580#ifdef HAS_SETPGID
581# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 582#else
a6e633de
PP
583# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
584# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
585# else
586# ifdef HAS_SETPGRP2 /* DG/UX */
587# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
588# endif
589# endif
590#endif
591#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
592# define HAS_SETPGRP /* Well, effectively it does . . . */
593#endif
594
595/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
596 our life easier :-) so we'll try it.
597*/
598#ifdef HAS_GETPGID
599# define BSD_GETPGRP(pid) getpgid((pid))
600#else
601# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
602# define BSD_GETPGRP(pid) getpgrp((pid))
603# else
604# ifdef HAS_GETPGRP2 /* DG/UX */
605# define BSD_GETPGRP(pid) getpgrp2((pid))
606# endif
607# endif
608#endif
609#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
610# define HAS_GETPGRP /* Well, effectively it does . . . */
611#endif
612
d460ef45 613/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
614 have different behaviors, but perl.h used to define USE_BSDPGRP
615 (prior to 5.003_05) so some extension might depend on it.
616*/
617#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
618# ifndef USE_BSDPGRP
619# define USE_BSDPGRP
620# endif
663a0e37
LW
621#endif
622
486ec47a 623/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
624 pthread.h must be included before all other header files.
625*/
3db8f154 626#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
627# include <pthread.h>
628#endif
629
58ab9e8b 630#include <sys/types.h>
663a0e37 631
760ac839
LW
632#ifdef __cplusplus
633# ifndef I_STDARG
634# define I_STDARG 1
635# endif
636#endif
637
638#ifdef I_STDARG
639# include <stdarg.h>
640#else
641# ifdef I_VARARGS
642# include <varargs.h>
643# endif
644#endif
645
4633a7c4 646#ifdef USE_NEXT_CTYPE
0c30d9ec 647
092bebab
JH
648#if NX_CURRENT_COMPILER_RELEASE >= 500
649# include <bsd/ctypes.h>
650#else
651# if NX_CURRENT_COMPILER_RELEASE >= 400
652# include <objc/NXCType.h>
653# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
654# include <appkit/NXCType.h>
655# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
656#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
657
658#else /* !USE_NEXT_CTYPE */
fe14fcc3 659#include <ctype.h>
0c30d9ec 660#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
661
662#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
663#undef METHOD
a0d0e21e
LW
664#endif
665
12ae5dfc
JH
666#ifdef PERL_MICRO
667# define NO_LOCALE
668#endif
669
4633a7c4 670#ifdef I_LOCALE
36477c24 671# include <locale.h>
4633a7c4
LW
672#endif
673
36477c24
PP
674#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
675# define USE_LOCALE
ccd65d51
KW
676# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
677 capability */
36477c24
PP
678# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
679 && defined(HAS_STRXFRM)
680# define USE_LOCALE_COLLATE
681# endif
682# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
683# define USE_LOCALE_CTYPE
684# endif
685# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
686# define USE_LOCALE_NUMERIC
687# endif
fa9b773e
KW
688# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
689# define USE_LOCALE_MESSAGES
690# endif
691# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
692# define USE_LOCALE_MONETARY
693# endif
36477c24 694#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 695
fe14fcc3 696#include <setjmp.h>
79072805 697
a0d0e21e 698#ifdef I_SYS_PARAM
79072805
LW
699# ifdef PARAM_NEEDS_TYPES
700# include <sys/types.h>
701# endif
702# include <sys/param.h>
352d5a3a 703#endif
79072805 704
79072805 705/* Use all the "standard" definitions? */
a0d0e21e 706#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 707# include <stdlib.h>
ff68c719 708#endif
03a14243 709
3f270f98
JH
710/* If this causes problems, set i_unistd=undef in the hint file. */
711#ifdef I_UNISTD
712# include <unistd.h>
713#endif
714
de8ca8af
NT
715/* for WCOREDUMP */
716#ifdef I_SYS_WAIT
717# include <sys/wait.h>
718#endif
719
9969cdde 720#ifdef __SYMBIAN32__
27da23d5
JH
721# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
722#endif
723
21e89b5f 724#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 725EXTERN_C int syscall(int, ...);
2ef53570
JH
726#endif
727
21e89b5f 728#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 729EXTERN_C int usleep(unsigned int);
2ef53570
JH
730#endif
731
1109a392
MHM
732#ifdef PERL_CORE
733
734/* macros for correct constant construction */
735# if INTSIZE >= 2
736# define U16_CONST(x) ((U16)x##U)
737# else
738# define U16_CONST(x) ((U16)x##UL)
739# endif
740
741# if INTSIZE >= 4
742# define U32_CONST(x) ((U32)x##U)
743# else
744# define U32_CONST(x) ((U32)x##UL)
745# endif
746
747# ifdef HAS_QUAD
748# if INTSIZE >= 8
749# define U64_CONST(x) ((U64)x##U)
750# elif LONGSIZE >= 8
751# define U64_CONST(x) ((U64)x##UL)
752# elif QUADKIND == QUAD_IS_LONG_LONG
753# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
754# elif QUADKIND == QUAD_IS___INT64
755# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
756# else /* best guess we can make */
757# define U64_CONST(x) ((U64)x##UL)
758# endif
759# endif
760
761/* byte-swapping functions for big-/little-endian conversion */
762# define _swab_16_(x) ((U16)( \
763 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
764 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
765
766# define _swab_32_(x) ((U32)( \
767 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
768 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
769 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
770 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
771
772# ifdef HAS_QUAD
773# define _swab_64_(x) ((U64)( \
774 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
775 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
776 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
777 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
778 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
779 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
780 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
781 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
782# endif
783
9c17f24a
NC
784/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
785 at least on FreeBSD. YMMV, so experiment. */
786#ifndef PERL_ARENA_SIZE
787#define PERL_ARENA_SIZE 4080
788#endif
789
ccb2c8b8 790/* Maximum level of recursion */
2b9dff67
RGS
791#ifndef PERL_SUB_DEPTH_WARN
792#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
793#endif
794
1109a392
MHM
795#endif /* PERL_CORE */
796
bdf3085f
NC
797/* We no longer default to creating a new SV for GvSV.
798 Do this before embed. */
799#ifndef PERL_CREATE_GVSV
7459f06b
NC
800# ifndef PERL_DONT_CREATE_GVSV
801# define PERL_DONT_CREATE_GVSV
802# endif
bdf3085f
NC
803#endif
804
ca0c25f6
NC
805#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
806#define PERL_USES_PL_PIDSTATUS
807#endif
808
739a0b84 809#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
810#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
811#endif
812
c31fac66
GS
813#define MEM_SIZE Size_t
814
1936d2a7
NC
815/* Round all values passed to malloc up, by default to a multiple of
816 sizeof(size_t)
817*/
818#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
819#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
820#endif
821
f1200559
WH
822/* sv_grow() will expand strings by at least a certain percentage of
823 the previously *used* length to avoid excessive calls to realloc().
824 The default is 25% of the current length.
825*/
826#ifndef PERL_STRLEN_EXPAND_SHIFT
827# define PERL_STRLEN_EXPAND_SHIFT 2
828#endif
829
51371543
GS
830#if defined(STANDARD_C) && defined(I_STDDEF)
831# include <stddef.h>
832# define STRUCT_OFFSET(s,m) offsetof(s,m)
833#else
834# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
835#endif
836
9969cdde 837#ifndef __SYMBIAN32__
27da23d5
JH
838# if defined(I_STRING) || defined(__cplusplus)
839# include <string.h>
840# else
841# include <strings.h>
842# endif
51371543
GS
843#endif
844
55497cff
PP
845/* This comes after <stdlib.h> so we don't try to change the standard
846 * library prototypes; we'll use our own in proto.h instead. */
03a14243 847
4633a7c4 848#ifdef MYMALLOC
86058a2d 849# ifdef PERL_POLLUTE_MALLOC
ee13e175 850# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
851# define Perl_malloc malloc
852# define Perl_calloc calloc
853# define Perl_realloc realloc
854# define Perl_mfree free
ee13e175 855# endif
86058a2d
GS
856# else
857# define EMBEDMYMALLOC /* for compatibility */
858# endif
827e134a 859
651b9576
GS
860# define safemalloc Perl_malloc
861# define safecalloc Perl_calloc
862# define saferealloc Perl_realloc
863# define safefree Perl_mfree
22f7c9c9
JH
864# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
865 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
866 code; \
867 } STMT_END
868# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
869 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
870# define panic_write2(s) write(2, s, strlen(s))
871# define CHECK_MALLOC_TAINT(newval) \
872 CHECK_MALLOC_TOO_LATE_FOR_( \
873 if (newval) { \
874 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
875 exit(1); })
22f7c9c9 876# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 877 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
878 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
879 }} STMT_END;
f2517201
GS
880#else /* MYMALLOC */
881# define safemalloc safesysmalloc
882# define safecalloc safesyscalloc
883# define saferealloc safesysrealloc
884# define safefree safesysfree
22f7c9c9
JH
885# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
886# define CHECK_MALLOC_TAINT(newval) ((void)0)
887# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 888#endif /* MYMALLOC */
4633a7c4 889
fe13d51d 890/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 891#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
892#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
893#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
894#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
895
a0d0e21e
LW
896#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
897#define strchr index
898#define strrchr rindex
899#endif
900
16d20bd9
AD
901#ifdef I_MEMORY
902# include <memory.h>
903#endif
904
fe14fcc3 905#ifdef HAS_MEMCPY
85e6fe83 906# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 907# ifndef memcpy
20ce7b12 908 extern char * memcpy (char*, char*, int);
ee0007ab
LW
909# endif
910# endif
911#else
912# ifndef memcpy
913# ifdef HAS_BCOPY
914# define memcpy(d,s,l) bcopy(s,d,l)
915# else
916# define memcpy(d,s,l) my_bcopy(s,d,l)
917# endif
918# endif
919#endif /* HAS_MEMCPY */
fe14fcc3 920
ee0007ab 921#ifdef HAS_MEMSET
85e6fe83 922# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 923# ifndef memset
20ce7b12 924 extern char *memset (char*, int, int);
ee0007ab
LW
925# endif
926# endif
ee0007ab 927#else
12ae5dfc 928# undef memset
fc36a67e 929# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
930#endif /* HAS_MEMSET */
931
85e6fe83 932#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 933# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
934# define memmove(d,s,l) bcopy(s,d,l)
935# else
2304df62 936# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 937# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 938# else
79072805 939# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 940# endif
352d5a3a 941# endif
d9d8d8de 942#endif
ee0007ab 943
36477c24
PP
944#if defined(mips) && defined(ultrix) && !defined(__STDC__)
945# undef HAS_MEMCMP
946#endif
947
948#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 949# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 950# ifndef memcmp
20ce7b12 951 extern int memcmp (char*, char*, int);
ee0007ab
LW
952# endif
953# endif
954#else
955# ifndef memcmp
ecfc5424 956# define memcmp my_memcmp
352d5a3a 957# endif
36477c24 958#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 959
fc36a67e 960#ifndef memzero
c635e13b
PP
961# ifdef HAS_MEMSET
962# define memzero(d,l) memset(d,0,l)
79072805 963# else
c635e13b
PP
964# ifdef HAS_BZERO
965# define memzero(d,l) bzero(d,l)
79072805 966# else
fc36a67e 967# define memzero(d,l) my_bzero(d,l)
79072805
LW
968# endif
969# endif
d9d8d8de 970#endif
378cc40b 971
2f42fcb0 972#ifndef PERL_MICRO
0f27ced1
JH
973#ifndef memchr
974# ifndef HAS_MEMCHR
975# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
976# endif
977#endif
2f42fcb0 978#endif
0f27ced1 979
36477c24
PP
980#ifndef HAS_BCMP
981# ifndef bcmp
982# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 983# endif
36477c24 984#endif /* !HAS_BCMP */
378cc40b 985
ae986130 986#ifdef I_NETINET_IN
79072805 987# include <netinet/in.h>
ae986130
LW
988#endif
989
28e8609d
JH
990#ifdef I_ARPA_INET
991# include <arpa/inet.h>
992#endif
993
84902520
TB
994#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
995/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
996 * (the neo-BSD seem to do this). */
997# undef SF_APPEND
998#endif
999
1aef975c 1000#ifdef I_SYS_STAT
84902520 1001# include <sys/stat.h>
1aef975c 1002#endif
79072805 1003
287a962e
JD
1004/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1005 This definition should ideally go into win32/win32.h, but S_IFIFO is
1006 used later here in perl.h before win32/win32.h is being included. */
1007#if !defined(S_IFIFO) && defined(_S_IFIFO)
1008# define S_IFIFO _S_IFIFO
1009#endif
1010
cc3315ba 1011/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1012 like UTekV) are broken, sometimes giving false positives. Undefine
1013 them here and let the code below set them to proper values.
1014
1015 The ghs macro stands for GreenHills Software C-1.8.5 which
1016 is the C compiler for sysV88 and the various derivatives.
1017 This header file bug is corrected in gcc-2.5.8 and later versions.
1018 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1019
cc3315ba 1020#if defined(m88k) && defined(ghs)
79072805
LW
1021# undef S_ISDIR
1022# undef S_ISCHR
1023# undef S_ISBLK
1024# undef S_ISREG
1025# undef S_ISFIFO
1026# undef S_ISLNK
ee0007ab 1027#endif
135863df 1028
663a0e37
LW
1029#ifdef I_TIME
1030# include <time.h>
ffed7fef 1031#endif
663a0e37 1032
fe14fcc3 1033#ifdef I_SYS_TIME
85e6fe83 1034# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1035# define KERNEL
1036# endif
1037# include <sys/time.h>
85e6fe83 1038# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1039# undef KERNEL
1040# endif
a687059c 1041#endif
135863df 1042
55497cff 1043#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1044# include <sys/times.h>
d9d8d8de 1045#endif
8d063cd8 1046
fe14fcc3 1047#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1048# undef HAS_STRERROR
663a0e37
LW
1049#endif
1050
1051#include <errno.h>
1e743fda 1052
acfe0abc 1053#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1054# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1055#endif
1056
8cfab5ff 1057/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1058 * This is important for using IPv6.
8cfab5ff
JH
1059 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1060 * a bad idea since it breaks send() and recv(). */
1061#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1062# define _SOCKADDR_LEN
1063#endif
1064
da70cfc6 1065#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1066# include <sys/socket.h>
1067# if defined(USE_SOCKS) && defined(I_SOCKS)
1068# if !defined(INCLUDE_PROTOTYPES)
1069# define INCLUDE_PROTOTYPES /* for <socks.h> */
1070# define PERL_SOCKS_NEED_PROTOTYPES
1071# endif
1072# include <socks.h>
1073# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1074# undef INCLUDE_PROTOTYPES
1075# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1076# endif
d460ef45 1077# endif
1e743fda 1078# ifdef I_NETDB
2986a63f
JH
1079# ifdef NETWARE
1080# include<stdio.h>
1081# endif
1e743fda
JH
1082# include <netdb.h>
1083# endif
1084# ifndef ENOTSOCK
1085# ifdef I_NET_ERRNO
1086# include <net/errno.h>
1087# endif
1088# endif
1089#endif
1090
fa0a29af 1091/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1092 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1093 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1094#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1095# if defined(__THROW) && defined(__GLIBC__)
1096int sockatmark(int) __THROW;
1097# else
2ef53570 1098int sockatmark(int);
29820b6d 1099# endif
2ef53570
JH
1100#endif
1101
7e827271 1102#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
1103EXTERN_C int fchdir(int);
1104EXTERN_C int flock(int, int);
1105EXTERN_C int fseeko(FILE *, off_t, int);
1106EXTERN_C off_t ftello(FILE *);
1107#endif
1108
7e827271 1109#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1110EXTERN_C char *crypt(const char *, const char *);
7e827271 1111EXTERN_C char **environ;
1ccb7c8d
JH
1112#endif
1113
83a6ff2e 1114#if defined(__cplusplus)
944c4fda 1115# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1116EXTERN_C char **environ;
83a6ff2e 1117# elif defined(__CYGWIN__)
667e2948
SP
1118EXTERN_C char *crypt(const char *, const char *);
1119#endif
83a6ff2e 1120#endif
667e2948 1121
1e743fda
JH
1122#ifdef SETERRNO
1123# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1124#endif
f86702cc
PP
1125
1126#ifdef VMS
1127# define SETERRNO(errcode,vmserrcode) \
1128 STMT_START { \
1129 set_errno(errcode); \
1130 set_vaxc_errno(vmserrcode); \
1131 } STMT_END
4ee39169
CS
1132# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1133# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1134# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1135# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1136
93189314
JH
1137# define LIB_INVARG LIB$_INVARG
1138# define RMS_DIR RMS$_DIR
1139# define RMS_FAC RMS$_FAC
1140# define RMS_FEX RMS$_FEX
1141# define RMS_FNF RMS$_FNF
1142# define RMS_IFI RMS$_IFI
1143# define RMS_ISI RMS$_ISI
1144# define RMS_PRV RMS$_PRV
1145# define SS_ACCVIO SS$_ACCVIO
1146# define SS_DEVOFFLINE SS$_DEVOFFLINE
1147# define SS_IVCHAN SS$_IVCHAN
1148# define SS_NORMAL SS$_NORMAL
748a9306 1149#else
93189314
JH
1150# define LIB_INVARG 0
1151# define RMS_DIR 0
1152# define RMS_FAC 0
1153# define RMS_FEX 0
1154# define RMS_FNF 0
1155# define RMS_IFI 0
1156# define RMS_ISI 0
1157# define RMS_PRV 0
1158# define SS_ACCVIO 0
1159# define SS_DEVOFFLINE 0
1160# define SS_IVCHAN 0
1161# define SS_NORMAL 0
748a9306 1162#endif
ed6116ce 1163
6ca940a9
TC
1164#ifdef WIN32
1165# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1166# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1167# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1168# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1169#endif
1170
1171#ifdef OS2
1172# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1173# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1174# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1175# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1176#endif
1177
1178#ifndef SETERRNO
1179# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1180#endif
1181
1182#ifndef dSAVEDERRNO
1183# define dSAVEDERRNO int saved_errno
1184# define dSAVE_ERRNO int saved_errno = errno
1185# define SAVE_ERRNO (saved_errno = errno)
1186# define RESTORE_ERRNO (errno = saved_errno)
1187#endif
1188
f5fa9033 1189#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1190
1191#define CLEAR_ERRSV() STMT_START { \
1192 if (!GvSV(PL_errgv)) { \
1193 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1194 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1195 SvREFCNT_dec(GvSV(PL_errgv)); \
1196 GvSV(PL_errgv) = newSVpvs(""); \
1197 } else { \
1198 SV *const errsv = GvSV(PL_errgv); \
1199 sv_setpvs(errsv, ""); \
1200 if (SvMAGICAL(errsv)) { \
1201 mg_free(errsv); \
1202 } \
1203 SvPOK_only(errsv); \
1204 } \
1205 } STMT_END
1206
1207
414bf5ae
MHM
1208#ifdef PERL_CORE
1209# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1210# define DEFSV_set(sv) \
1211 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1212# define SAVE_DEFSV \
1213 ( \
1214 save_gp(PL_defgv, 0), \
1215 GvINTRO_off(PL_defgv), \
1216 SAVEGENERICSV(GvSV(PL_defgv)), \
1217 GvSV(PL_defgv) = NULL \
1218 )
414bf5ae
MHM
1219#else
1220# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1221# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1222# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1223#endif
38a03e6e 1224
98eae8f5
GS
1225#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1226
55497cff 1227#ifndef errno
5ff3f7a4
GS
1228 extern int errno; /* ANSI allows errno to be an lvalue expr.
1229 * For example in multithreaded environments
1230 * something like this might happen:
1231 * extern int *_errno(void);
1232 * #define errno (*_errno()) */
d9d8d8de 1233#endif
663a0e37 1234
2304df62 1235#ifdef HAS_STRERROR
b3e384bf 1236# ifndef DONT_DECLARE_STD
a0d0e21e 1237# ifdef VMS
20ce7b12 1238 char *strerror (int,...);
a0d0e21e 1239# else
20ce7b12 1240 char *strerror (int);
a0d0e21e 1241# endif
b3e384bf
KW
1242# endif
1243# ifndef Strerror
1244# define Strerror strerror
1245# endif
2304df62
AD
1246#else
1247# ifdef HAS_SYS_ERRLIST
79072805
LW
1248 extern int sys_nerr;
1249 extern char *sys_errlist[];
2304df62
AD
1250# ifndef Strerror
1251# define Strerror(e) \
79072805 1252 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1253# endif
79072805 1254# endif
35c8bce7 1255#endif
663a0e37 1256
2304df62 1257#ifdef I_SYS_IOCTL
79072805
LW
1258# ifndef _IOCTL_
1259# include <sys/ioctl.h>
1260# endif
a687059c
LW
1261#endif
1262
ee0007ab 1263#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1264# ifdef HAS_SOCKETPAIR
1265# undef HAS_SOCKETPAIR
1266# endif
2304df62
AD
1267# ifdef I_NDBM
1268# undef I_NDBM
79072805 1269# endif
a687059c
LW
1270#endif
1271
02fc2eee
NC
1272#ifndef HAS_SOCKETPAIR
1273# ifdef HAS_SOCKET
1274# define socketpair Perl_my_socketpair
1275# endif
1276#endif
1277
a687059c 1278#if INTSIZE == 2
79072805
LW
1279# define htoni htons
1280# define ntohi ntohs
a687059c 1281#else
79072805
LW
1282# define htoni htonl
1283# define ntohi ntohl
a687059c
LW
1284#endif
1285
a0d0e21e 1286/* Configure already sets Direntry_t */
35c8bce7 1287#if defined(I_DIRENT)
663a0e37 1288# include <dirent.h>
8f1f23e8
W
1289 /* NeXT needs dirent + sys/dir.h */
1290# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1291# include <sys/dir.h>
1292# endif
ae986130 1293#else
fe14fcc3 1294# ifdef I_SYS_NDIR
79a0689e 1295# include <sys/ndir.h>
663a0e37 1296# else
fe14fcc3 1297# ifdef I_SYS_DIR
79a0689e
LW
1298# ifdef hp9000s500
1299# include <ndir.h> /* may be wrong in the future */
1300# else
1301# include <sys/dir.h>
1302# endif
663a0e37
LW
1303# endif
1304# endif
4633a7c4 1305#endif
a687059c 1306
c623bd54
LW
1307/*
1308 * The following gobbledygook brought to you on behalf of __STDC__.
1309 * (I could just use #ifndef __STDC__, but this is more bulletproof
1310 * in the face of half-implementations.)
1311 */
1312
21e89b5f 1313#if defined(I_SYSMODE)
ca6e1c26
JH
1314#include <sys/mode.h>
1315#endif
1316
c623bd54
LW
1317#ifndef S_IFMT
1318# ifdef _S_IFMT
1319# define S_IFMT _S_IFMT
1320# else
1321# define S_IFMT 0170000
1322# endif
1323#endif
1324
1325#ifndef S_ISDIR
1326# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1327#endif
1328
1329#ifndef S_ISCHR
1330# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1331#endif
1332
1333#ifndef S_ISBLK
fe14fcc3
LW
1334# ifdef S_IFBLK
1335# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1336# else
1337# define S_ISBLK(m) (0)
1338# endif
c623bd54
LW
1339#endif
1340
1341#ifndef S_ISREG
1342# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1343#endif
1344
1345#ifndef S_ISFIFO
fe14fcc3
LW
1346# ifdef S_IFIFO
1347# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1348# else
1349# define S_ISFIFO(m) (0)
1350# endif
c623bd54
LW
1351#endif
1352
1353#ifndef S_ISLNK
1354# ifdef _S_ISLNK
1355# define S_ISLNK(m) _S_ISLNK(m)
1356# else
1357# ifdef _S_IFLNK
1358# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1359# else
1360# ifdef S_IFLNK
1361# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1362# else
1363# define S_ISLNK(m) (0)
1364# endif
1365# endif
1366# endif
1367#endif
1368
1369#ifndef S_ISSOCK
1370# ifdef _S_ISSOCK
1371# define S_ISSOCK(m) _S_ISSOCK(m)
1372# else
1373# ifdef _S_IFSOCK
1374# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1375# else
1376# ifdef S_IFSOCK
1377# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1378# else
1379# define S_ISSOCK(m) (0)
1380# endif
1381# endif
1382# endif
1383#endif
1384
1385#ifndef S_IRUSR
1386# ifdef S_IREAD
1387# define S_IRUSR S_IREAD
1388# define S_IWUSR S_IWRITE
1389# define S_IXUSR S_IEXEC
1390# else
1391# define S_IRUSR 0400
1392# define S_IWUSR 0200
1393# define S_IXUSR 0100
1394# endif
fac7cdfc 1395#endif
1396
1397#ifndef S_IRGRP
1398# ifdef S_IRUSR
1399# define S_IRGRP (S_IRUSR>>3)
1400# define S_IWGRP (S_IWUSR>>3)
1401# define S_IXGRP (S_IXUSR>>3)
1402# else
1403# define S_IRGRP 0040
1404# define S_IWGRP 0020
1405# define S_IXGRP 0010
1406# endif
1407#endif
1408
1409#ifndef S_IROTH
1410# ifdef S_IRUSR
1411# define S_IROTH (S_IRUSR>>6)
1412# define S_IWOTH (S_IWUSR>>6)
1413# define S_IXOTH (S_IXUSR>>6)
1414# else
1415# define S_IROTH 0040
1416# define S_IWOTH 0020
1417# define S_IXOTH 0010
1418# endif
c623bd54
LW
1419#endif
1420
1421#ifndef S_ISUID
1422# define S_ISUID 04000
1423#endif
1424
1425#ifndef S_ISGID
1426# define S_ISGID 02000
1427#endif
1428
ca6e1c26
JH
1429#ifndef S_IRWXU
1430# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1431#endif
ca6e1c26
JH
1432
1433#ifndef S_IRWXG
1434# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1435#endif
ca6e1c26
JH
1436
1437#ifndef S_IRWXO
1438# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1439#endif
ca6e1c26 1440
b6c36746 1441/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1442 * which would get included through <sys/file.h >, but that is 3000
1443 * lines in the future. --jhi */
1444
b6c36746 1445#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1446# define S_IREAD S_IRUSR
1447#endif
1448
b6c36746 1449#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1450# define S_IWRITE S_IWUSR
1451#endif
1452
1453#ifndef S_IEXEC
1454# define S_IEXEC S_IXUSR
1455#endif
1456
a0d0e21e 1457#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1458# define SLOPPYDIVIDE
1459#endif
1460
748a9306
LW
1461#ifdef UV
1462#undef UV
1463#endif
1464
ce582cee
NC
1465/* For the times when you want the return value of sprintf, and you want it
1466 to be the length. Can't have a thread variable passed in, because C89 has
1467 no varargs macros.
1468*/
1469#ifdef SPRINTF_RETURNS_STRLEN
1470# define my_sprintf sprintf
1471#else
1472# define my_sprintf Perl_my_sprintf
1473#endif
1474
5b692037
JH
1475/*
1476 * If we have v?snprintf() and the C99 variadic macros, we can just
1477 * use just the v?snprintf(). It is nice to try to trap the buffer
1478 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1479 * gcc statement expressions, then use the function wrappers which try
1480 * to trap the overflow. If we can use the gcc statement expressions,
1481 * we can try that even with the version that uses the C99 variadic
1482 * macros.
5b692037
JH
1483 */
1484
1208b3dd
JH
1485/* Note that we do not check against snprintf()/vsnprintf() returning
1486 * negative values because that is non-standard behaviour and we use
1487 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1488 * that should be true only if the snprintf()/vsnprintf() are true
1489 * to the standard. */
1490
dfeee9b1 1491#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1492# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1493# 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 1494# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1495# else
1496# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1497# endif
1498#else
1499# define my_snprintf Perl_my_snprintf
1208b3dd 1500# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1501#endif
1502
dfeee9b1 1503#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1504# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1505# 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 1506# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1507# else
1508# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1509# endif
1510#else
1511# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1512# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1513#endif
d9fad198 1514
a6cc4119
SP
1515#ifdef HAS_STRLCAT
1516# define my_strlcat strlcat
1517#else
1518# define my_strlcat Perl_my_strlcat
1519#endif
1520
1521#ifdef HAS_STRLCPY
1522# define my_strlcpy strlcpy
1523#else
1524# define my_strlcpy Perl_my_strlcpy
1525#endif
1526
05f13f53 1527/*
27d4fb96
PP
1528 The IV type is supposed to be long enough to hold any integral
1529 value or a pointer.
1530 --Andy Dougherty August 1996
1531*/
1532
a22e52b9
JH
1533typedef IVTYPE IV;
1534typedef UVTYPE UV;
8175356b 1535
10cc9d2a 1536#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1537# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1538# define IV_MAX INT64_MAX
1539# define IV_MIN INT64_MIN
1540# define UV_MAX UINT64_MAX
cae7ae48
JH
1541# ifndef UINT64_MIN
1542# define UINT64_MIN 0
1543# endif
5ff3f7a4
GS
1544# define UV_MIN UINT64_MIN
1545# else
1546# define IV_MAX PERL_QUAD_MAX
1547# define IV_MIN PERL_QUAD_MIN
1548# define UV_MAX PERL_UQUAD_MAX
1549# define UV_MIN PERL_UQUAD_MIN
1550# endif
cf2093f6
JH
1551# define IV_IS_QUAD
1552# define UV_IS_QUAD
79072805 1553#else
8175356b 1554# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1555# define IV_MAX INT32_MAX
1556# define IV_MIN INT32_MIN
716026f9
DL
1557# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1558# define UV_MAX UINT32_MAX
1559# else
1560# define UV_MAX 4294967295U
1561# endif
cae7ae48
JH
1562# ifndef UINT32_MIN
1563# define UINT32_MIN 0
1564# endif
5ff3f7a4
GS
1565# define UV_MIN UINT32_MIN
1566# else
1567# define IV_MAX PERL_LONG_MAX
1568# define IV_MIN PERL_LONG_MIN
1569# define UV_MAX PERL_ULONG_MAX
1570# define UV_MIN PERL_ULONG_MIN
1571# endif
8175356b 1572# if IVSIZE == 8
cf2093f6
JH
1573# define IV_IS_QUAD
1574# define UV_IS_QUAD
de1c2614
JH
1575# ifndef HAS_QUAD
1576# define HAS_QUAD
1577# endif
cf2093f6
JH
1578# else
1579# undef IV_IS_QUAD
1580# undef UV_IS_QUAD
9ea40801 1581#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1582/* We think that removing this decade-old undef this will cause too much
1583 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1584 However, we do need HAS_QUAD in the core for use by the drand48 code,
1585 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1586# undef HAS_QUAD
e25d460c 1587#endif
cf2093f6 1588# endif
79072805 1589#endif
d7d93a81 1590
9a543cee
FC
1591#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1592
cae7ae48 1593#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1594#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1595
28e5dec8 1596#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1597#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1598#endif
1599
d460ef45 1600/*
26bb67e2
JH
1601 * The macros INT2PTR and NUM2PTR are (despite their names)
1602 * bi-directional: they will convert int/float to or from pointers.
1603 * However the conversion to int/float are named explicitly:
1604 * PTR2IV, PTR2UV, PTR2NV.
1605 *
1606 * For int conversions we do not need two casts if pointers are
1607 * the same size as IV and UV. Otherwise we need an explicit
1608 * cast (PTRV) to avoid compiler warnings.
1609 */
56431972
RB
1610#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1611# define PTRV UV
1612# define INT2PTR(any,d) (any)(d)
1613#else
d460ef45 1614# if PTRSIZE == LONGSIZE
56431972 1615# define PTRV unsigned long
e91e3b10 1616# define PTR2ul(p) (unsigned long)(p)
42718184 1617# else
56431972 1618# define PTRV unsigned
42718184 1619# endif
e91e3b10
RB
1620#endif
1621
1622#ifndef INT2PTR
56431972 1623# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1624#endif
e91e3b10
RB
1625
1626#ifndef PTR2ul
1627# define PTR2ul(p) INT2PTR(unsigned long,p)
1628#endif
1629
56431972
RB
1630#define NUM2PTR(any,d) (any)(PTRV)(d)
1631#define PTR2IV(p) INT2PTR(IV,p)
1632#define PTR2UV(p) INT2PTR(UV,p)
1633#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1634#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1635
8141890a
JH
1636/* According to strict ANSI C89 one cannot freely cast between
1637 * data pointers and function (code) pointers. There are at least
1638 * two ways around this. One (used below) is to do two casts,
1639 * first the other pointer to an (unsigned) integer, and then
1640 * the integer to the other pointer. The other way would be
1641 * to use unions to "overlay" the pointers. For an example of
1642 * the latter technique, see union dirpu in struct xpvio in sv.h.
1643 * The only feasible use is probably temporarily storing
1644 * function pointers in a data pointer (such as a void pointer). */
1645
e91e3b10
RB
1646#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1647#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1648
65202027 1649#ifdef USE_LONG_DOUBLE
1048ea30
JH
1650# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1651# define LONG_DOUBLE_EQUALS_DOUBLE
1652# endif
68d4903c 1653# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1654# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1655# endif
1656#endif
1657
2d4389e4
JH
1658#ifdef OVR_DBL_DIG
1659/* Use an overridden DBL_DIG */
1660# ifdef DBL_DIG
1661# undef DBL_DIG
1662# endif
1663# define DBL_DIG OVR_DBL_DIG
1664#else
1665/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1666 default value for printing floating point numbers in Gconvert
1667 (see config.h). (It also has other uses, such as figuring out if
1668 a given precision of printing can be done with a double instead of
1669 a long double - Allen).
2d4389e4
JH
1670*/
1671#ifdef I_LIMITS
1672#include <limits.h>
1673#endif
1674#ifdef I_FLOAT
1675#include <float.h>
1676#endif
1677#ifndef HAS_DBL_DIG
1678#define DBL_DIG 15 /* A guess that works lots of places */
1679#endif
1680#endif
1681
1682#ifdef OVR_LDBL_DIG
1683/* Use an overridden LDBL_DIG */
1684# ifdef LDBL_DIG
1685# undef LDBL_DIG
1686# endif
1687# define LDBL_DIG OVR_LDBL_DIG
1688#else
1689/* The following is all to get LDBL_DIG, in order to pick a nice
1690 default value for printing floating point numbers in Gconvert.
1691 (see config.h)
1692*/
68d4903c
JH
1693# ifdef I_LIMITS
1694# include <limits.h>
1695# endif
1696# ifdef I_FLOAT
1697# include <float.h>
1698# endif
1699# ifndef HAS_LDBL_DIG
1700# if LONG_DOUBLESIZE == 10
1701# define LDBL_DIG 18 /* assume IEEE */
1702# else
1703# if LONG_DOUBLESIZE == 12
1704# define LDBL_DIG 18 /* gcc? */
1705# else
1706# if LONG_DOUBLESIZE == 16
1707# define LDBL_DIG 33 /* assume IEEE */
1708# else
1709# if LONG_DOUBLESIZE == DOUBLESIZE
1710# define LDBL_DIG DBL_DIG /* bummer */
1711# endif
1712# endif
1713# endif
1714# endif
1715# endif
2d4389e4
JH
1716#endif
1717
20f6aaab
AS
1718/*
1719 * This is for making sure we have a good DBL_MAX value, if possible,
1720 * either for usage as NV_MAX or for usage in figuring out if we can
1721 * fit a given long double into a double, if bug-fixing makes it
1722 * necessary to do so. - Allen <allens@cpan.org>
1723 */
1724
205f51d8
AS
1725#ifdef I_LIMITS
1726# include <limits.h>
20f6aaab
AS
1727#endif
1728
205f51d8
AS
1729#ifdef I_VALUES
1730# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1731# include <values.h>
1732# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1733# define DBL_MAX MAXDOUBLE
1734# endif
1735# if defined(MINDOUBLE) && !defined(DBL_MIN)
1736# define DBL_MIN MINDOUBLE
1737# endif
1738# endif
1739#endif /* defined(I_VALUES) */
1740
a22e52b9 1741typedef NVTYPE NV;
8175356b 1742
792d8dab
JH
1743#ifdef I_IEEEFP
1744# include <ieeefp.h>
1745#endif
923fc586 1746
65202027 1747#ifdef USE_LONG_DOUBLE
923fc586
JH
1748# ifdef I_SUNMATH
1749# include <sunmath.h>
1750# endif
2d4389e4 1751# define NV_DIG LDBL_DIG
d6c14000
JH
1752# ifdef LDBL_MANT_DIG
1753# define NV_MANT_DIG LDBL_MANT_DIG
1754# endif
06fc1729
JH
1755# ifdef LDBL_MIN
1756# define NV_MIN LDBL_MIN
1757# endif
1758# ifdef LDBL_MAX
1759# define NV_MAX LDBL_MAX
1760# endif
1761# ifdef LDBL_MIN_10_EXP
1762# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1763# endif
1764# ifdef LDBL_MAX_10_EXP
1765# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1766# endif
1767# ifdef LDBL_EPSILON
1768# define NV_EPSILON LDBL_EPSILON
1769# endif
f4a14a62
JH
1770# ifdef LDBL_MAX
1771# define NV_MAX LDBL_MAX
20f6aaab 1772/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1773# else
1774# ifdef HUGE_VALL
1775# define NV_MAX HUGE_VALL
1776# else
1777# ifdef HUGE_VAL
1778# define NV_MAX ((NV)HUGE_VAL)
1779# endif
1780# endif
1781# endif
68d4903c 1782# ifdef HAS_SQRTL
68d4903c
JH
1783# define Perl_cos cosl
1784# define Perl_sin sinl
1785# define Perl_sqrt sqrtl
1786# define Perl_exp expl
1787# define Perl_log logl
1788# define Perl_atan2 atan2l
1789# define Perl_pow powl
1790# define Perl_floor floorl
1bbae031 1791# define Perl_ceil ceill
68d4903c
JH
1792# define Perl_fmod fmodl
1793# endif
a3540c92
JH
1794/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1795# ifdef HAS_MODFL
1796# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1797/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1798 prototype in <math.h> */
1799# ifndef HAS_MODFL_PROTO
a221a8a5 1800EXTERN_C long double modfl(long double, long double *);
51997bc3 1801# endif
03476e8e
JH
1802# else
1803# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1804 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1805# define Perl_modf(x,y) Perl_my_modfl(x,y)
1806# endif
a3540c92
JH
1807# endif
1808# ifdef HAS_FREXPL
dff3e0b8 1809# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1810# else
1811# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1812 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1813# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1814# endif
a3540c92 1815# endif
38dbb4c5 1816# ifndef Perl_isnan
758a5d79
JH
1817# ifdef HAS_ISNANL
1818# define Perl_isnan(x) isnanl(x)
1819# endif
1820# endif
1821# ifndef Perl_isinf
1822# ifdef HAS_FINITEL
1823# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1824# endif
1825# endif
65202027 1826#else
2d4389e4 1827# define NV_DIG DBL_DIG
d6c14000
JH
1828# ifdef DBL_MANT_DIG
1829# define NV_MANT_DIG DBL_MANT_DIG
1830# endif
06fc1729
JH
1831# ifdef DBL_MIN
1832# define NV_MIN DBL_MIN
1833# endif
1834# ifdef DBL_MAX
1835# define NV_MAX DBL_MAX
1836# endif
1837# ifdef DBL_MIN_10_EXP
1838# define NV_MIN_10_EXP DBL_MIN_10_EXP
1839# endif
1840# ifdef DBL_MAX_10_EXP
1841# define NV_MAX_10_EXP DBL_MAX_10_EXP
1842# endif
1843# ifdef DBL_EPSILON
1844# define NV_EPSILON DBL_EPSILON
1845# endif
205f51d8 1846# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1847# define NV_MAX DBL_MAX
1848# define NV_MIN DBL_MIN
1849# else
1850# ifdef HUGE_VAL
1851# define NV_MAX HUGE_VAL
1852# endif
1853# endif
65202027
DS
1854# define Perl_cos cos
1855# define Perl_sin sin
1856# define Perl_sqrt sqrt
1857# define Perl_exp exp
1858# define Perl_log log
1859# define Perl_atan2 atan2
1860# define Perl_pow pow
1861# define Perl_floor floor
1bbae031 1862# define Perl_ceil ceil
65202027 1863# define Perl_fmod fmod
a3540c92 1864# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1865# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1866#endif
1867
1868/* rumor has it that Win32 has _fpclass() */
1869
205f51d8
AS
1870/* SGI has fpclassl... but not with the same result values,
1871 * and it's via a typedef (not via #define), so will need to redo Configure
1872 * to use. Not worth the trouble, IMO, at least until the below is used
1873 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1874 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1875 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1876
758a5d79
JH
1877#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1878# ifdef I_IEEFP
1879# include <ieeefp.h>
1880# endif
1881# ifdef I_FP
1882# include <fp.h>
1883# endif
1884# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1885# define Perl_fp_class() fpclassl(x)
1886# else
1887# define Perl_fp_class() fpclass(x)
1888# endif
1889# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1890# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1891# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1892# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1893# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1894# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1895# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1896# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1897# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1898# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1899# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1900# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1901# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1902# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1903# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1904#endif
1905
21e89b5f 1906#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1907# include <math.h>
1908# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1909# include <fp_class.h>
1910# endif
1911# define Perl_fp_class(x) fp_class(x)
1912# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1913# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1914# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1915# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1916# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1917# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1918# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1919# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1920# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1921# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1922# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1923# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1924# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1925# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1926# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1927#endif
1928
1929#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1930# include <math.h>
1931# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1932# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1933# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1934# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1935# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1936# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1937#endif
1938
1939#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1940# include <math.h>
1941# ifndef _cplusplus
1942# define Perl_fp_class(x) class(x)
1943# else
1944# define Perl_fp_class(x) _class(x)
1945# endif
1946# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1947# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1948# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1949# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1950# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1951# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1952# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1953# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1954# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1955# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1956# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1957# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1958# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1959# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1960# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1961#endif
1962
1963/* rumor has it that Win32 has _isnan() */
1964
1965#ifndef Perl_isnan
a3540c92 1966# ifdef HAS_ISNAN
758a5d79
JH
1967# define Perl_isnan(x) isnan((NV)x)
1968# else
1969# ifdef Perl_fp_class_nan
1970# define Perl_isnan(x) Perl_fp_class_nan(x)
1971# else
1972# ifdef HAS_UNORDERED
1973# define Perl_isnan(x) unordered((x), 0.0)
1974# else
1975# define Perl_isnan(x) ((x)!=(x))
1976# endif
1977# endif
1978# endif
1979#endif
1980
ca6c63e1
JH
1981#ifdef UNDER_CE
1982int isnan(double d);
1983#endif
1984
758a5d79
JH
1985#ifndef Perl_isinf
1986# ifdef HAS_ISINF
1987# define Perl_isinf(x) isinf((NV)x)
a3540c92 1988# else
758a5d79
JH
1989# ifdef Perl_fp_class_inf
1990# define Perl_isinf(x) Perl_fp_class_inf(x)
1991# else
1992# define Perl_isinf(x) ((x)==NV_INF)
1993# endif
1994# endif
1995#endif
1996
1997#ifndef Perl_isfinite
1998# ifdef HAS_FINITE
1999# define Perl_isfinite(x) finite((NV)x)
2000# else
2001# ifdef HAS_ISFINITE
2002# define Perl_isfinite(x) isfinite(x)
2003# else
2004# ifdef Perl_fp_class_finite
2005# define Perl_isfinite(x) Perl_fp_class_finite(x)
2006# else
2007# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2008# endif
2009# endif
a3540c92 2010# endif
65202027
DS
2011#endif
2012
a36244b7
JH
2013/* The default is to use Perl's own atof() implementation (in numeric.c).
2014 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2015 * it is however best to use the native implementation of atof.
2016 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2017 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2018 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2019 * you may need to be using a different function than atof! */
a36244b7
JH
2020
2021#ifndef USE_PERL_ATOF
2022# ifndef _UNICOS
2023# define USE_PERL_ATOF
2024# endif
2025#else
2026# if USE_PERL_ATOF == 0
2027# undef USE_PERL_ATOF
2028# endif
2029#endif
2030
2031#ifdef USE_PERL_ATOF
2032# define Perl_atof(s) Perl_my_atof(s)
2033# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2034#else
2035# define Perl_atof(s) (NV)atof(s)
2036# define Perl_atof2(s, n) ((n) = atof(s))
2037#endif
cf2093f6 2038
d460ef45 2039/* Previously these definitions used hardcoded figures.
760ac839
LW
2040 * It is hoped these formula are more portable, although
2041 * no data one way or another is presently known to me.
2042 * The "PERL_" names are used because these calculated constants
2043 * do not meet the ANSI requirements for LONG_MAX, etc., which
2044 * need to be constants acceptable to #if - kja
2045 * define PERL_LONG_MAX 2147483647L
2046 * define PERL_LONG_MIN (-LONG_MAX - 1)
2047 * define PERL ULONG_MAX 4294967295L
2048 */
2049
2050#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2051# include <limits.h>
760ac839 2052#endif
205f51d8 2053/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2054 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2055
99abf803
PP
2056/*
2057 * Try to figure out max and min values for the integral types. THE CORRECT
2058 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2059 * following hacks are used if neither limits.h or values.h provide them:
2060 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2061 * for types < int: (unsigned TYPE)~(unsigned)0
2062 * The argument to ~ must be unsigned so that later signed->unsigned
2063 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2064 * and it must not be smaller than int because ~ does integral promotion.
2065 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2066 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2067 * The latter is a hack which happens to work on some machines but
2068 * does *not* catch any random system, or things like integer types
2069 * with NaN if that is possible.
2070 *
2071 * All of the types are explicitly cast to prevent accidental loss of
2072 * numeric range, and in the hope that they will be less likely to confuse
2073 * over-eager optimizers.
2074 *
2075 */
27d4fb96 2076
99abf803
PP
2077#define PERL_UCHAR_MIN ((unsigned char)0)
2078
2079#ifdef UCHAR_MAX
2080# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2081#else
99abf803
PP
2082# ifdef MAXUCHAR
2083# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2084# else
99abf803 2085# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2086# endif
2087#endif
d460ef45 2088
99abf803
PP
2089/*
2090 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2091 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2092 * depending on local options. Until Configure detects this (or at least
2093 * detects whether the "signed" keyword is available) the CHAR ranges
2094 * will not be included. UCHAR functions normally.
2095 * - kja
2096 */
27d4fb96 2097
99abf803
PP
2098#define PERL_USHORT_MIN ((unsigned short)0)
2099
2100#ifdef USHORT_MAX
2101# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2102#else
99abf803
PP
2103# ifdef MAXUSHORT
2104# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2105# else
ef2f54b0
CB
2106# ifdef USHRT_MAX
2107# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2108# else
2109# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2110# endif
27d4fb96
PP
2111# endif
2112#endif
2113
27d4fb96 2114#ifdef SHORT_MAX
99abf803 2115# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2116#else
2117# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2118# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2119# else
ef2f54b0
CB
2120# ifdef SHRT_MAX
2121# define PERL_SHORT_MAX ((short)SHRT_MAX)
2122# else
2123# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2124# endif
27d4fb96
PP
2125# endif
2126#endif
2127
2128#ifdef SHORT_MIN
99abf803 2129# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2130#else
2131# ifdef MINSHORT
99abf803 2132# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2133# else
ef2f54b0
CB
2134# ifdef SHRT_MIN
2135# define PERL_SHORT_MIN ((short)SHRT_MIN)
2136# else
2137# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2138# endif
27d4fb96
PP
2139# endif
2140#endif
2141
99abf803
PP
2142#ifdef UINT_MAX
2143# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2144#else
99abf803
PP
2145# ifdef MAXUINT
2146# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2147# else
99abf803 2148# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2149# endif
2150#endif
2151
99abf803 2152#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2153
2154#ifdef INT_MAX
99abf803 2155# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2156#else
2157# ifdef MAXINT /* Often used in <values.h> */
99abf803 2158# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2159# else
99abf803 2160# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2161# endif
2162#endif
2163
2164#ifdef INT_MIN
99abf803 2165# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2166#else
2167# ifdef MININT
99abf803 2168# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2169# else
2170# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2171# endif
2172#endif
2173
99abf803
PP
2174#ifdef ULONG_MAX
2175# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2176#else
99abf803
PP
2177# ifdef MAXULONG
2178# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2179# else
99abf803 2180# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2181# endif
2182#endif
2183
99abf803 2184#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2185
760ac839 2186#ifdef LONG_MAX
99abf803 2187# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2188#else
2189# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2190# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2191# else
99abf803 2192# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2193# endif
2194#endif
2195
2196#ifdef LONG_MIN
99abf803 2197# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2198#else
2199# ifdef MINLONG
99abf803 2200# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2201# else
27d4fb96 2202# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2203# endif
2204#endif
2205
d7d93a81 2206#ifdef UV_IS_QUAD
99abf803 2207
99abf803 2208# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2209# define PERL_UQUAD_MIN ((UV)0)
99abf803 2210# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2211# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2212
79072805
LW
2213#endif
2214
ee0007ab 2215typedef MEM_SIZE STRLEN;
450a55e4 2216
598921a7
NC
2217#ifdef PERL_MAD
2218typedef struct token TOKEN;
2219typedef struct madprop MADPROP;
2220typedef struct nexttoken NEXTTOKE;
2221#endif
79072805
LW
2222typedef struct op OP;
2223typedef struct cop COP;
2224typedef struct unop UNOP;
2225typedef struct binop BINOP;
2226typedef struct listop LISTOP;
2227typedef struct logop LOGOP;
79072805
LW
2228typedef struct pmop PMOP;
2229typedef struct svop SVOP;
7934575e 2230typedef struct padop PADOP;
79072805 2231typedef struct pvop PVOP;
79072805
LW
2232typedef struct loop LOOP;
2233
7aef8e5b 2234#ifdef PERL_CORE
8be227ab
FC
2235typedef struct opslab OPSLAB;
2236typedef struct opslot OPSLOT;
2237#endif
2238
52db365a 2239typedef struct block_hooks BHK;
1830b3d9 2240typedef struct custom_op XOP;
52db365a 2241
cd1541b2
NC
2242typedef struct interpreter PerlInterpreter;
2243
d2b3f365 2244/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2245#if defined(__sgi)
d2b3f365 2246# define STRUCT_SV perl_sv
b8d3c5db
JH
2247#else
2248# define STRUCT_SV sv
2249#endif
2250typedef struct STRUCT_SV SV;
79072805
LW
2251typedef struct av AV;
2252typedef struct hv HV;
2253typedef struct cv CV;
d2f13c59 2254typedef struct p5rx REGEXP;
79072805 2255typedef struct gp GP;
0c30d9ec 2256typedef struct gv GV;
8990e307 2257typedef struct io IO;
c09156bb 2258typedef struct context PERL_CONTEXT;
79072805
LW
2259typedef struct block BLOCK;
2260
2261typedef struct magic MAGIC;
2262typedef struct xpv XPV;
2263typedef struct xpviv XPVIV;
ff68c719 2264typedef struct xpvuv XPVUV;
79072805
LW
2265typedef struct xpvnv XPVNV;
2266typedef struct xpvmg XPVMG;
2267typedef struct xpvlv XPVLV;
d361b004 2268typedef struct xpvinvlist XINVLIST;
79072805
LW
2269typedef struct xpvav XPVAV;
2270typedef struct xpvhv XPVHV;
2271typedef struct xpvgv XPVGV;
2272typedef struct xpvcv XPVCV;
2273typedef struct xpvbm XPVBM;
2274typedef struct xpvfm XPVFM;
8990e307 2275typedef struct xpvio XPVIO;
79072805
LW
2276typedef struct mgvtbl MGVTBL;
2277typedef union any ANY;
5f7fde29
GS
2278typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2279typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2280typedef struct clone_params CLONE_PARAMS;
2281
35e035cc 2282/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2283 * so hide the type. */
2284typedef struct padlist PADLIST;
67634234 2285typedef AV PAD;
35e035cc
FC
2286typedef AV PADNAMELIST;
2287typedef SV PADNAME;
67634234 2288
13b0f67d
DM
2289/* enable PERL_NEW_COPY_ON_WRITE by default */
2290#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2291# define PERL_NEW_COPY_ON_WRITE
2292#endif
07d01d6e 2293
db2c6cb3
FC
2294#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2295# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2296# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2297# else
2298# define PERL_ANY_COW
2299# endif
9f351b45
DM
2300#else
2301# define PERL_SAWAMPERSAND
db2c6cb3
FC
2302#endif
2303
378cc40b 2304#include "handy.h"
a0d0e21e 2305
6b8eaf93 2306#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2307# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2308# define USE_64_BIT_RAWIO /* implicit */
2309# endif
4564133c
JH
2310#endif
2311
6b8eaf93
JH
2312/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2313 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2314 * however, because operating systems like to do that themself. */
2315#ifndef FSEEKSIZE
2316# ifdef HAS_FSEEKO
2317# define FSEEKSIZE LSEEKSIZE
2318# else
2319# define FSEEKSIZE LONGSIZE
d460ef45 2320# endif
6b8eaf93
JH
2321#endif
2322
2323#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2324# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2325# define USE_64_BIT_STDIO /* implicit */
2326# endif
2327#endif
4564133c 2328
09458382 2329#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2330# ifdef HAS_OFF64_T
2331# undef Off_t
2332# define Off_t off64_t
2333# undef LSEEKSIZE
2334# define LSEEKSIZE 8
5ff3f7a4 2335# endif
d9b3e12d
JH
2336/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2337 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2338 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2339# if defined(USE_OPEN64)
2340# define open open64
5ff3f7a4 2341# endif
d9b3e12d
JH
2342# if defined(USE_LSEEK64)
2343# define lseek lseek64
6b8eaf93
JH
2344# else
2345# if defined(USE_LLSEEK)
2346# define lseek llseek
2347# endif
d9b3e12d
JH
2348# endif
2349# if defined(USE_STAT64)
2350# define stat stat64
2351# endif
2352# if defined(USE_FSTAT64)
2353# define fstat fstat64
2354# endif
2355# if defined(USE_LSTAT64)
2356# define lstat lstat64
2357# endif
2358# if defined(USE_FLOCK64)
2359# define flock flock64
2360# endif
2361# if defined(USE_LOCKF64)
2362# define lockf lockf64
2363# endif
2364# if defined(USE_FCNTL64)
2365# define fcntl fcntl64
2366# endif
2367# if defined(USE_TRUNCATE64)
2368# define truncate truncate64
2369# endif
2370# if defined(USE_FTRUNCATE64)
2371# define ftruncate ftruncate64
2372# endif
2373#endif
2374
2375#ifdef USE_64_BIT_STDIO
2376# ifdef HAS_FPOS64_T
2377# undef Fpos_t
2378# define Fpos_t fpos64_t
2379# endif
2380/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2381 * will trigger defines like the ones below. Some 64-bit environments,
2382 * however, do not. */
2383# if defined(USE_FOPEN64)
2384# define fopen fopen64
2385# endif
2386# if defined(USE_FSEEK64)
6b8eaf93 2387# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2388# endif
2389# if defined(USE_FTELL64)
6b8eaf93 2390# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2391# endif
2392# if defined(USE_FSETPOS64)
2393# define fsetpos fsetpos64
2394# endif
2395# if defined(USE_FGETPOS64)
2396# define fgetpos fgetpos64
2397# endif
2398# if defined(USE_TMPFILE64)
2399# define tmpfile tmpfile64
2400# endif
2401# if defined(USE_FREOPEN64)
2402# define freopen freopen64
5ff3f7a4
GS
2403# endif
2404#endif
2405
e37778c2 2406#if defined(OS2)
2c2d71f5
JH
2407# include "iperlsys.h"
2408#endif
2409
748a9306 2410#ifdef DOSISH
19848b3f
JH
2411# if defined(OS2)
2412# include "os2ish.h"
2413# else
2414# include "dosish.h"
2415# endif
009819bb 2416#elif defined(VMS)
748a9306 2417# include "vmsish.h"
009819bb 2418#elif defined(PLAN9)
19848b3f 2419# include "./plan9/plan9ish.h"
009819bb 2420#elif defined(__VOS__)
196918b0
PG
2421# ifdef __GNUC__
2422# include "./vos/vosish.h"
2423# else
2424# include "vos/vosish.h"
2425# endif
009819bb 2426#elif defined(__SYMBIAN32__)
27da23d5 2427# include "symbian/symbianish.h"
009819bb 2428#elif defined(__HAIKU__)
df00ff3b 2429# include "haiku/haikuish.h"
009819bb 2430#else
19848b3f 2431# include "unixish.h"
13b6e58c
JH
2432#endif
2433
2946a158
JH
2434/* NSIG logic from Configure --> */
2435/* Strange style to avoid deeply-nested #if/#else/#endif */
2436#ifndef NSIG
2437# ifdef _NSIG
2438# define NSIG (_NSIG)
2439# endif
2440#endif
2441
2442#ifndef NSIG
2443# ifdef SIGMAX
2444# define NSIG (SIGMAX+1)
2445# endif
2446#endif
2447
2448#ifndef NSIG
2449# ifdef SIG_MAX
2450# define NSIG (SIG_MAX+1)
2451# endif
2452#endif
2453
2454#ifndef NSIG
2455# ifdef _SIG_MAX
2456# define NSIG (_SIG_MAX+1)
2457# endif
2458#endif
2459
2460#ifndef NSIG
2461# ifdef MAXSIG
2462# define NSIG (MAXSIG+1)
2463# endif
2464#endif
2465
2466#ifndef NSIG
2467# ifdef MAX_SIG
2468# define NSIG (MAX_SIG+1)
2469# endif
2470#endif
2471
2472#ifndef NSIG
2473# ifdef SIGARRAYSIZE
2474# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2475# endif
2476#endif
2477
2478#ifndef NSIG
2479# ifdef _sys_nsig
2480# define NSIG (_sys_nsig) /* Solaris 2.5 */
2481# endif
2482#endif
2483
2484/* Default to some arbitrary number that's big enough to get most
2485 of the common signals.
2486*/
2487#ifndef NSIG
2488# define NSIG 50
2489#endif
2490/* <-- NSIG logic from Configure */
2491
13b6e58c
JH
2492#ifndef NO_ENVIRON_ARRAY
2493# define USE_ENVIRON_ARRAY
2494#endif
32f822de 2495
c77b533b
JH
2496/*
2497 * initialise to avoid floating-point exceptions from overflow, etc
2498 */
2499#ifndef PERL_FPU_INIT
2500# ifdef HAS_FPSETMASK
2501# if HAS_FLOATINGPOINT_H
2502# include <floatingpoint.h>
2503# endif
ad3a8c67
NC
2504/* Some operating systems have this as a macro, which in turn expands to a comma
2505 expression, and the last sub-expression is something that gets calculated,
2506 and then they have the gall to warn that a value computed is not used. Hence
2507 cast to void. */
2508# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2509# else
2f42fcb0 2510# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2511# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2512# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2513# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2514# else
2515# define PERL_FPU_INIT
2f42fcb0 2516
7014c407 2517# endif
c77b533b
JH
2518# endif
2519#endif
b35112e7
CS
2520#ifndef PERL_FPU_PRE_EXEC
2521# define PERL_FPU_PRE_EXEC {
2522# define PERL_FPU_POST_EXEC }
2523#endif
c77b533b 2524
cbec8ebe
DM
2525#ifndef PERL_SYS_INIT3_BODY
2526# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2527#endif
2528
eb533572 2529/*
4ad9e498 2530=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2531Provides system-specific tune up of the C runtime environment necessary to
2532run Perl interpreters. This should be called only once, before creating
2533any Perl interpreters.
2534
4ad9e498 2535=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2536Provides system-specific tune up of the C runtime environment necessary to
2537run Perl interpreters. This should be called only once, before creating
2538any Perl interpreters.
2539
2540=for apidoc Am|void|PERL_SYS_TERM|
2541Provides system-specific clean up of the C runtime environment after
2542running Perl interpreters. This should be called only once, after
2543freeing any remaining Perl interpreters.
2544
2545=cut
2546 */
2547
cbec8ebe
DM
2548#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2549#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2550#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2551
be708cc0
JH
2552#ifndef PERL_WRITE_MSG_TO_CONSOLE
2553# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2554#endif
2555
0f31cffe
GS
2556#ifndef MAXPATHLEN
2557# ifdef PATH_MAX
b990c8b2
JH
2558# ifdef _POSIX_PATH_MAX
2559# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2560/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2561 * included the null byte or not. Later amendments of POSIX,
2562 * XPG4, the Austin Group, and the Single UNIX Specification
2563 * all explicitly include the null byte in the PATH_MAX.
2564 * Ditto for _POSIX_PATH_MAX. */
2565# define MAXPATHLEN PATH_MAX
b990c8b2 2566# else
09448d78 2567# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2568# endif
2569# else
2570# define MAXPATHLEN (PATH_MAX+1)
2571# endif
0f31cffe 2572# else
d552bce8 2573# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2574# endif
2575#endif
2576
c80263a8
SH
2577/* In case Configure was not used (we are using a "canned config"
2578 * such as Win32, or a cross-compilation setup, for example) try going
2579 * by the gcc major and minor versions. One useful URL is
2580 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2581 * but contrary to this information warn_unused_result seems
2582 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2583 * Also, when building extensions with an installed perl, this allows
2584 * the user to upgrade gcc and get the right attributes, rather than
2585 * relying on the list generated at Configure time. --AD
c80263a8
SH
2586 * Set these up now otherwise we get confused when some of the <*thread.h>
2587 * includes below indirectly pull in <perlio.h> (which needs to know if we
2588 * have HASATTRIBUTE_FORMAT).
2589 */
2590
4d7c7898 2591#ifndef PERL_MICRO
fc2007d4 2592#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2593# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2594# define HASATTRIBUTE_DEPRECATED
2595# endif
c80263a8
SH
2596# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2597# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2598# if defined __MINGW32__
2599# define PRINTF_FORMAT_NULL_OK
2600# endif
c80263a8
SH
2601# endif
2602# if __GNUC__ >= 3 /* 3.0 -> */
2603# define HASATTRIBUTE_MALLOC
2604# endif
2605# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2606# define HASATTRIBUTE_NONNULL
2607# endif
2608# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2609# define HASATTRIBUTE_NORETURN
2610# endif
2611# if __GNUC__ >= 3 /* gcc 3.0 -> */
2612# define HASATTRIBUTE_PURE
2613# endif
42bf5550 2614# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2615# define HASATTRIBUTE_UNUSED
2616# endif
d324fe49
AD
2617# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2618# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2619# endif
c80263a8
SH
2620# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2621# define HASATTRIBUTE_WARN_UNUSED_RESULT
2622# endif
2623#endif
00f254e2 2624#endif /* #ifndef PERL_MICRO */
c80263a8 2625
3db8f154 2626/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2627 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2628 * this results in many functions being undeclared which bothers C++
2629 * May make sense to have threads after "*ish.h" anyway
2630 */
2631
3db8f154 2632#if defined(USE_ITHREADS)
2986a63f
JH
2633# ifdef NETWARE
2634# include <nw5thread.h>
2635# else
32f822de
GS
2636# ifdef WIN32
2637# include <win32thread.h>
2638# else
dd96f567
IZ
2639# ifdef OS2
2640# include "os2thread.h"
2641# else
7f3d1cf1 2642# ifdef I_MACH_CTHREADS
bdd66968 2643# include <mach/cthreads.h>
8f1f23e8 2644# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2645# define MUTEX_INIT_CALLS_MALLOC
2646# endif
7f3d1cf1
BH
2647typedef cthread_t perl_os_thread;
2648typedef mutex_t perl_mutex;
2649typedef condition_t perl_cond;
2650typedef void * perl_key;
2651# else /* Posix threads */
1f5ae88c
JH
2652# ifdef I_PTHREAD
2653# include <pthread.h>
2654# endif
7f3d1cf1
BH
2655typedef pthread_t perl_os_thread;
2656typedef pthread_mutex_t perl_mutex;
2657typedef pthread_cond_t perl_cond;
2658typedef pthread_key_t perl_key;
2659# endif /* I_MACH_CTHREADS */
dd96f567 2660# endif /* OS2 */
32f822de 2661# endif /* WIN32 */
ef4abe76 2662# endif /* NETWARE */
3db8f154 2663#endif /* USE_ITHREADS */
c5be433b 2664
66a93824 2665#if defined(WIN32)
1feb2720 2666# include "win32.h"
c5be433b
GS
2667#endif
2668
2986a63f
JH
2669#ifdef NETWARE
2670# include "netware.h"
2671#endif
2672
e5218da5 2673#define STATUS_UNIX PL_statusvalue
68dc0745 2674#ifdef VMS
6b88bc9c 2675# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2676/*
2677 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2678 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2679 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2680 * be updated also.
2681 */
2682# include <stsdef.h>
2683# include <ssdef.h>
2684/* Presume this because if VMS changes it, it will require a new
2685 * set of APIs for waiting on children for binary compatibility.
2686 */
2687# define child_offset_bits (8)
2688# ifndef C_FAC_POSIX
2689# define C_FAC_POSIX 0x35A000
2690# endif
2691
2692/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2693 * platform from the existing UNIX or Native status values.
2694 */
2695
37038d91 2696# define STATUS_EXIT \
7a7fd8e0
JM
2697 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2698 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2699
7a7fd8e0 2700
fb38d079
JM
2701/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2702 * exit code and shifts the UNIX value over the correct number of bits to
2703 * be a child status. Usually the number of bits is 8, but that could be
2704 * platform dependent. The NATIVE status code is presumed to have either
2705 * from a child process.
7a7fd8e0
JM
2706 */
2707
fb38d079
JM
2708/* This is complicated. The child processes return a true native VMS
2709 status which must be saved. But there is an assumption in Perl that
2710 the UNIX child status has some relationship to errno values, so
00f254e2 2711 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2712 In order to get the string translation correct, for the error, errno
2713 must be EVMSERR, but that generates a different text message
2714 than what the test programs are expecting. So an errno value must
2715 be derived from the native status value when an error occurs.
2716 That will hide the true native status message. With this version of
2717 perl, the true native child status can always be retrieved so that
2718 is not a problem. But in this case, Pl_statusvalue and errno may
2719 have different values in them.
2720 */
7a7fd8e0 2721
fb38d079 2722# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2723 STMT_START { \
2fbb330f
JM
2724 I32 evalue = (I32)n; \
2725 if (evalue == EVMSERR) { \
2726 PL_statusvalue_vms = vaxc$errno; \
2727 PL_statusvalue = evalue; \
7a7fd8e0 2728 } else { \
2fbb330f 2729 PL_statusvalue_vms = evalue; \
fb38d079 2730 if (evalue == -1) { \
3280af22 2731 PL_statusvalue = -1; \
7a7fd8e0
JM
2732 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2733 } else \
fb38d079 2734 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2735 set_vaxc_errno(evalue); \
fb38d079
JM
2736 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2737 set_errno(EVMSERR); \
2738 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2739 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2740 } \
68dc0745 2741 } STMT_END
7a7fd8e0 2742
68dc0745 2743# ifdef VMSISH_STATUS
e5218da5 2744# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2745# else
e5218da5 2746# define STATUS_CURRENT STATUS_UNIX
68dc0745 2747# endif
7a7fd8e0
JM
2748
2749 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2750 * the NATIVE status to an equivalent value. Can not be used to translate
2751 * exit code values as exit code values are not guaranteed to have any
2752 * relationship at all to errno values.
2753 * This is used when Perl is forcing errno to have a specific value.
2754 */
e5218da5 2755# define STATUS_UNIX_SET(n) \
68dc0745 2756 STMT_START { \
7a7fd8e0 2757 I32 evalue = (I32)n; \
0968cdad 2758 PL_statusvalue = evalue; \
3280af22 2759 if (PL_statusvalue != -1) { \
0968cdad
JM
2760 if (PL_statusvalue != EVMSERR) { \
2761 PL_statusvalue &= 0xFFFF; \
2762 if (MY_POSIX_EXIT) \
2763 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2764 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2765 } \
2766 else { \
2767 PL_statusvalue_vms = vaxc$errno; \
2768 } \
68dc0745 2769 } \
0968cdad
JM
2770 else PL_statusvalue_vms = SS$_ABORT; \
2771 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2772 } STMT_END
2773
2774 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2775 * the NATIVE error status based on it.
2776 *
2777 * When in the default mode to comply with the Perl VMS documentation,
2778 * 0 is a success and any other code sets the NATIVE status to a failure
2779 * code of SS$_ABORT.
fb38d079
JM
2780 *
2781 * In the new POSIX EXIT mode, native status will be set so that the
2782 * actual exit code will can be retrieved by the calling program or
2783 * shell.
2784 *
2785 * If the exit code is not clearly a UNIX parent or child exit status,
2786 * it will be passed through as a VMS status.
7a7fd8e0
JM
2787 */
2788
fb38d079 2789# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2790 STMT_START { \
2791 I32 evalue = (I32)n; \
2792 PL_statusvalue = evalue; \
e08e1e1d
JM
2793 if (MY_POSIX_EXIT) { \
2794 if (evalue <= 0xFF00) { \
2795 if (evalue > 0xFF) \
2796 evalue = (evalue >> child_offset_bits) & 0xFF; \
2797 PL_statusvalue_vms = \
2798 (C_FAC_POSIX | (evalue << 3 ) | \
2799 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2800 } else /* forgive them Perl, for they have sinned */ \
2801 PL_statusvalue_vms = evalue; \
2802 } else { \
2803 if (evalue == 0) \
2804 PL_statusvalue_vms = SS$_NORMAL; \
2805 else if (evalue <= 0xFF00) \
2806 PL_statusvalue_vms = SS$_ABORT; \
2807 else { /* forgive them Perl, for they have sinned */ \
2808 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2809 else PL_statusvalue_vms = vaxc$errno; \
2810 /* And obviously used a VMS status value instead of UNIX */ \
2811 PL_statusvalue = EVMSERR; \
2812 } \
2813 set_vaxc_errno(PL_statusvalue_vms); \
2814 } \
68dc0745 2815 } STMT_END
fb38d079 2816
e08e1e1d 2817
6ac6a52b
JM
2818 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2819 * and sets the NATIVE error status based on it. This special case
2820 * is needed to maintain compatibility with past VMS behavior.
2821 *
2822 * In the default mode on VMS, this number is passed through as
2823 * both the NATIVE and UNIX status. Which makes it different
2824 * that the STATUS_UNIX_EXIT_SET.
2825 *
2826 * In the new POSIX EXIT mode, native status will be set so that the
2827 * actual exit code will can be retrieved by the calling program or
2828 * shell.
2829 *
1a3aec58
JM
2830 * A POSIX exit code is from 0 to 255. If the exit code is higher
2831 * than this, it needs to be assumed that it is a VMS exit code and
2832 * passed through.
6ac6a52b
JM
2833 */
2834
2835# define STATUS_EXIT_SET(n) \
2836 STMT_START { \
2837 I32 evalue = (I32)n; \
2838 PL_statusvalue = evalue; \
2839 if (MY_POSIX_EXIT) \
1a3aec58
JM
2840 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2841 PL_statusvalue_vms = \
2842 (C_FAC_POSIX | (evalue << 3 ) | \
2843 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2844 else \
2845 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2846 set_vaxc_errno(PL_statusvalue_vms); \
2847 } STMT_END
2848
fb38d079
JM
2849
2850 /* This macro forces a success status */
7a7fd8e0
JM
2851# define STATUS_ALL_SUCCESS \
2852 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2853
2854 /* This macro forces a failure status */
7a7fd8e0
JM
2855# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2856 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2857 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2858
68dc0745 2859#else
e5218da5 2860# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2861# if defined(WCOREDUMP)
37038d91 2862# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2863 STMT_START { \
2864 PL_statusvalue_posix = (n); \
2865 if (PL_statusvalue_posix == -1) \
2866 PL_statusvalue = -1; \
2867 else { \
2868 PL_statusvalue = \
2869 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2870 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2871 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2872 } \
2873 } STMT_END
2874# elif defined(WIFEXITED)
37038d91 2875# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2876 STMT_START { \
2877 PL_statusvalue_posix = (n); \
2878 if (PL_statusvalue_posix == -1) \
2879 PL_statusvalue = -1; \
2880 else { \
2881 PL_statusvalue = \
2882 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2883 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2884 } \
2885 } STMT_END
2886# else
37038d91 2887# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2888 STMT_START { \
2889 PL_statusvalue_posix = (n); \
2890 if (PL_statusvalue_posix == -1) \
2891 PL_statusvalue = -1; \
2892 else { \
2893 PL_statusvalue = \
2894 PL_statusvalue_posix & 0xFFFF; \
2895 } \
2896 } STMT_END
2897# endif
2898# define STATUS_UNIX_SET(n) \
68dc0745 2899 STMT_START { \
3280af22
NIS
2900 PL_statusvalue = (n); \
2901 if (PL_statusvalue != -1) \
2902 PL_statusvalue &= 0xFFFF; \
68dc0745 2903 } STMT_END
7a7fd8e0 2904# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2905# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2906# define STATUS_CURRENT STATUS_UNIX
37038d91 2907# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2908# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2909# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2910#endif
2911
cc3604b1
GS
2912/* flags in PL_exit_flags for nature of exit() */
2913#define PERL_EXIT_EXPECTED 0x01
31d77e54 2914#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2915#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2916#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2917
b79b76e0 2918#ifndef PERL_CORE
a7cb1f99 2919/* format to use for version numbers in file/directory names */
273cf8d1 2920/* XXX move to Configure? */
b79b76e0
NC
2921/* This was only ever used for the current version, and that can be done at
2922 compile time, as PERL_FS_VERSION, so should we just delete it? */
2923# ifndef PERL_FS_VER_FMT
2924# define PERL_FS_VER_FMT "%d.%d.%d"
2925# endif
2926#endif
2927
2928#ifndef PERL_FS_VERSION
2929# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2930#endif
2931
45bc9206 2932/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2933 * performance issue, so we allow people to disable it. Also, if
2934 * we are using stdio, there are broken implementations of fflush(NULL)
2935 * out there, Solaris being the most prominent.
45bc9206
GS
2936 */
2937#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2938# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2939# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2940# else
2941# ifdef FFLUSH_ALL
2942# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2943# else
c5be433b 2944# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2945# endif
66fe083f 2946# endif
45bc9206
GS
2947#endif
2948
7766f137
GS
2949#ifndef PERL_WAIT_FOR_CHILDREN
2950# define PERL_WAIT_FOR_CHILDREN NOOP
2951#endif
2952
ba869deb 2953/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2954#ifndef PERL_SET_INTERP
2955# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2956#endif
2957
2958#ifndef PERL_GET_INTERP
2959# define PERL_GET_INTERP (PL_curinterp)
2960#endif
2961
54aff467 2962#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2963# ifdef MULTIPLICITY
ba869deb 2964# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2965# endif
ba869deb
GS
2966# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2967#endif
2968
00f254e2 2969/*
8896765a 2970 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2971 All that is required is that the perl source does not
00f254e2
KW
2972 use "%-p" or "%-<number>p" or "%<number>p" formats.
2973 These formats will still work in perl code.
486ec47a 2974 See comments in sv.c for further details.
8896765a 2975
8896765a 2976 Robin Barker 2005-07-14
f46d31f2 2977
00f254e2 2978 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2979*/
8896765a
RB
2980
2981#ifndef SVf_
63ce7bf0 2982# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
2983#endif
2984
8896765a 2985#ifndef SVf
104abab4 2986# define SVf "-p"
d2560b70
RB
2987#endif
2988
014ead4b 2989#ifndef SVf32
8896765a 2990# define SVf32 SVf_(32)
014ead4b
RB
2991#endif
2992
2993#ifndef SVf256
8896765a
RB
2994# define SVf256 SVf_(256)
2995#endif
2996
be2597df
MHM
2997#define SVfARG(p) ((void*)(p))
2998
20023040
FC
2999#ifndef HEKf
3000# define HEKf "2p"
3001#endif
3002
b8fa5213
FC
3003/* Not ideal, but we cannot easily include a number in an already-numeric
3004 * format sequence. */
3005#ifndef HEKf256
3006# define HEKf256 "3p"
3007#endif
3008
20023040
FC
3009#define HEKfARG(p) ((void*)(p))
3010
b17a0679
FC
3011/* Takes three arguments: is_utf8, length, str */
3012#ifndef UTF8f
3013# define UTF8f "d%"UVuf"%4p"
3014#endif
3015#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3016
f46d31f2 3017#ifdef PERL_CORE
486ec47a 3018/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3019# undef UVf
3020#else
170cd9e9
NC
3021# ifndef UVf
3022# define UVf UVuf
3023# endif
d2560b70
RB
3024#endif
3025
fcdf39cf
RGS
3026#ifdef HASATTRIBUTE_DEPRECATED
3027# define __attribute__deprecated__ __attribute__((deprecated))
3028#endif
0dbb1585
AL
3029#ifdef HASATTRIBUTE_FORMAT
3030# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3031#endif
3032#ifdef HASATTRIBUTE_MALLOC
77785eea 3033# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3034#endif
0dbb1585 3035#ifdef HASATTRIBUTE_NONNULL
abb2c242 3036# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3037#endif
0dbb1585 3038#ifdef HASATTRIBUTE_NORETURN
abb2c242 3039# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3040#endif
0dbb1585 3041#ifdef HASATTRIBUTE_PURE
abb2c242 3042# define __attribute__pure__ __attribute__((pure))
f22be1b8 3043#endif
0dbb1585
AL
3044#ifdef HASATTRIBUTE_UNUSED
3045# define __attribute__unused__ __attribute__((unused))
3046#endif
3047#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3048# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3049#endif
3050
0dbb1585 3051/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3052#ifndef __attribute__deprecated__
3053# define __attribute__deprecated__
3054#endif
0dbb1585
AL
3055#ifndef __attribute__format__
3056# define __attribute__format__(x,y,z)
3057#endif
f22be1b8 3058#ifndef __attribute__malloc__
abb2c242 3059# define __attribute__malloc__
f22be1b8
JH
3060#endif
3061#ifndef __attribute__nonnull__
abb2c242 3062# define __attribute__nonnull__(a)
f22be1b8
JH
3063#endif
3064#ifndef __attribute__noreturn__
abb2c242 3065# define __attribute__noreturn__
f22be1b8
JH
3066#endif
3067#ifndef __attribute__pure__
abb2c242 3068# define __attribute__pure__
f22be1b8 3069#endif
0dbb1585
AL
3070#ifndef __attribute__unused__
3071# define __attribute__unused__
3072#endif
f22be1b8 3073#ifndef __attribute__warn_unused_result__
abb2c242
JH
3074# define __attribute__warn_unused_result__
3075#endif
3076
0dbb1585
AL
3077/* For functions that are marked as __attribute__noreturn__, it's not
3078 appropriate to call return. In either case, include the lint directive.
3079 */
3080#ifdef HASATTRIBUTE_NORETURN
118e2215 3081# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3082#else
118e2215 3083# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3084#endif
3085
cdfeb707
RB
3086/* Some OS warn on NULL format to printf */
3087#ifdef PRINTF_FORMAT_NULL_OK
3088# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3089#else
00f254e2 3090# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3091#endif
3092
635aebb7 3093#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3094# define EXPECT(expr,val) __builtin_expect(expr,val)
3095#else
3096# define EXPECT(expr,val) (expr)
3097#endif
6d5abc62
NC
3098#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3099#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3100#ifdef HAS_BUILTIN_CHOOSE_EXPR
3101/* placeholder */
3102#endif
b37c2d43 3103
3fc1aec6
PP
3104/* Some unistd.h's give a prototype for pause() even though
3105 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3106 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3107*/
3108#ifdef HAS_PAUSE
3109#define Pause pause
3110#else
3111#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3112#endif
3113
3114#ifndef IOCPARM_LEN
3115# ifdef IOCPARM_MASK
61f1c44b 3116 /* on BSDish systems we're safe */
748a9306
LW
3117# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3118# else
61f1c44b 3119# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3120 /* on Linux systems we're safe; except when we're not [perl #38223] */
3121# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3122# else
748a9306 3123 /* otherwise guess at what's safe */
61f1c44b
JVD
3124# define IOCPARM_LEN(x) 256
3125# endif
748a9306 3126# endif
a0d0e21e
LW
3127#endif
3128
1761cee5 3129#if defined(__CYGWIN__)
521e0776
GS
3130/* USEMYBINMODE
3131 * This symbol, if defined, indicates that the program should
16fe6d59 3132 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3133 * that a file is in "binary" mode -- that is, that no translation
3134 * of bytes occurs on read or write operations.
3135 */
36894f0b 3136# define USEMYBINMODE /**/
77a40698 3137# include <io.h> /* for setmode() prototype */
16fe6d59 3138# define my_binmode(fp, iotype, mode) \
77a40698 3139 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3140#endif
3141
88d10794
JH
3142#ifdef __CYGWIN__
3143void init_os_extras(void);
3144#endif
3145
cea2e8a9
GS
3146#ifdef UNION_ANY_DEFINITION
3147UNION_ANY_DEFINITION;
3148#else
3149union any {
3150 void* any_ptr;
3151 I32 any_i32;
3152 IV any_iv;
c6bf6a65 3153 UV any_uv;
cea2e8a9 3154 long any_long;
9febdf04 3155 bool any_bool;
c76ac1ee 3156 void (*any_dptr) (void*);
acfe0abc 3157 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3158};
3159#endif
3160
acfe0abc 3161typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3162
3163#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3164#define FILTER_DATA(idx) \
3165 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3166#define FILTER_ISREADER(idx) \
3167 (PL_parser && PL_parser->rsfp_filters \
3168 && idx >= AvFILLp(PL_parser->rsfp_filters))
3169#define PERL_FILTER_EXISTS(i) \
3170 (PL_parser && PL_parser->rsfp_filters \
3171 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3172
c5078cac
JH
3173#if defined(_AIX) && !defined(_AIX43)
3174#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3175/* We cannot include <crypt.h> to get the struct crypt_data
3176 * because of setkey prototype problems when threading */
3177typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3178 /* From OSF, Not needed in AIX
3179 char C[28], D[28];
3180 */
3181 char E[48];
3182 char KS[16][48];
3183 char block[66];
3184 char iobuf[16];
3185} CRYPTD;
3186#endif /* threading */
3187#endif /* AIX */
3188
e37778c2 3189#if !defined(OS2)
2c2d71f5
JH
3190# include "iperlsys.h"
3191#endif
504f80c1 3192
9c12f1e5 3193#ifdef __LIBCATAMOUNT__
00f254e2 3194#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3195#undef HAS_GROUP
3196#define FAKE_BIT_BUCKET
3197#endif
3198
d10dc2ae
JH
3199/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3200 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3201 * defined by Configure, despite their names being similar to the
3202 * other defines like USE_ITHREADS. Configure in fact knows nothing
3203 * about the randomised hashes. Therefore to enable/disable the hash
3204 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3205#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3206# define USE_HASH_SEED
504f80c1
JH
3207#endif
3208
598921a7
NC
3209/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3210 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3211 * it's not really needed.
3212 */
3213#if defined(WIN32)
3214# define YYTOKENTYPE
3215#endif
3216#include "perly.h"
3217
3218#ifdef PERL_MAD
3219struct nexttoken {
3220 YYSTYPE next_val; /* value of next token, if any */
3221 I32 next_type; /* type of next token */
3222 MADPROP *next_mad; /* everything else about that token */
3223};
3224#endif
3225
654eccd5
JD
3226/* macros to define bit-fields in structs. */
3227#ifndef PERL_BITFIELD8
3228# define PERL_BITFIELD8 unsigned
3229#endif
3230#ifndef PERL_BITFIELD16
3231# define PERL_BITFIELD16 unsigned
3232#endif
3233#ifndef PERL_BITFIELD32
3234# define PERL_BITFIELD32 unsigned
3235#endif
3236
79072805 3237#include "sv.h"
288b8c02 3238#include "regexp.h"
378cc40b 3239#include "util.h"
8d063cd8 3240#include "form.h"
79072805 3241#include "gv.h"
dd2155a4 3242#include "pad.h"
79072805 3243#include "cv.h"
abdd5c84 3244#include "opnames.h"
79072805 3245#include "op.h"
b3ca2e83 3246#include "hv.h"
79072805
LW
3247#include "cop.h"
3248#include "av.h"
79072805
LW
3249#include "mg.h"
3250#include "scope.h"
4438c4b7 3251#include "warnings.h"
a0ed51b3 3252#include "utf8.h"
8d063cd8 3253
0d7d409d
DM
3254/* these would be in doio.h if there was such a file */
3255#define my_stat() my_stat_flags(SV_GMAGIC)
3256#define my_lstat() my_lstat_flags(SV_GMAGIC)
3257
20f4945e 3258/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3259#undef _XPV_HEAD
3260#undef _XPVMG_HEAD
3261#undef _XPVCV_COMMON
7fae4e64
GS
3262
3263typedef struct _sublex_info SUBLEXINFO;
3264struct _sublex_info {
651b5b28
NC
3265 U8 super_state; /* lexer state to save */
3266 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3267 OP *sub_op; /* "lex_op" to use */
7cc34111 3268 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3269};
3270
199e78b7
DM
3271#include "parser.h"
3272
455ece5e 3273typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3274
2c2d71f5 3275struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3276struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
d1d040e5
KW
3277
3278/* A hopefully less confusing name. The sub-classes are all Posix classes only
3279 * used under /l matching */
3280typedef struct regnode_charclass_class regnode_charclass_posixl;
3281
b8f7bb16 3282typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3283typedef struct RExC_state_t RExC_state_t;
3284struct _reg_trie_data;
76e3520e 3285
5f7fde29
GS
3286struct ptr_tbl_ent {
3287 struct ptr_tbl_ent* next;
53c1dcc0 3288 const void* oldval;
5f7fde29 3289 void* newval;
d18c6117
GS
3290};
3291
5f7fde29
GS
3292struct ptr_tbl {
3293 struct ptr_tbl_ent** tbl_ary;
3294 UV tbl_max;
3295 UV tbl_items;
db93c0c4
NC
3296 struct ptr_tbl_arena *tbl_arena;
3297 struct ptr_tbl_ent *tbl_arena_next;
3298 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3299};
3300
fe14fcc3
LW
3301#if defined(htonl) && !defined(HAS_HTONL)
3302#define HAS_HTONL
ae986130 3303#endif
fe14fcc3
LW
3304#if defined(htons) && !defined(HAS_HTONS)
3305#define HAS_HTONS
ae986130 3306#endif
fe14fcc3
LW
3307#if defined(ntohl) && !defined(HAS_NTOHL)
3308#define HAS_NTOHL
ae986130 3309#endif
fe14fcc3
LW
3310#if defined(ntohs) && !defined(HAS_NTOHS)
3311#define HAS_NTOHS
ae986130 3312#endif
fe14fcc3 3313#ifndef HAS_HTONL
fe14fcc3
LW
3314#define HAS_HTONS
3315#define HAS_HTONL
3316#define HAS_NTOHS
3317#define HAS_NTOHL
8e2d7c44
NC
3318# if (BYTEORDER & 0xffff) == 0x4321
3319/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3320 re-order their values. However, to behave identically to the alternative
3321 implementations, they should truncate to the correct size. */
3322# define ntohl(x) ((x)&0xFFFFFFFF)
3323# define htonl(x) ntohl(x)
3324# define ntohs(x) ((x)&0xFFFF)
3325# define htons(x) ntohs(x)
e4b03fed
NC
3326# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3327
3328/* Note that we can't straight out declare our own htonl and htons because
3329 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3330 to avoid the overhead of initialising the socket subsystem, but the headers
3331 that *declare* the various functions are still seen. If we declare our own
3332 htonl etc they will clash with the declarations in the Win32 headers. */
3333
3334PERL_STATIC_INLINE U32
3335my_swap32(const U32 x) {
3336 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3337 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3338}
3339
3340PERL_STATIC_INLINE U16
3341my_swap16(const U16 x) {
3342 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3343}
3344
3345# define htonl(x) my_swap32(x)
3346# define ntohl(x) my_swap32(x)
3347# define ntohs(x) my_swap16(x)
3348# define htons(x) my_swap16(x)
8e2d7c44 3349# else
691a44df
NC
3350# error "Unsupported byteorder"
3351/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3352 the error message. Please check the value of the macro BYTEORDER, as defined
3353 in config.h. The values of BYTEORDER we expect are
3354
3355 big endian little endian
3356 32 bit 0x4321 0x1234
3357 64 bit 0x87654321 0x12345678
3358
3359 If you have a system with a different byte order, please see
3360 pod/perlhack.pod for how to submit a patch to add supporting code.
3361*/
3362# endif
a687059c
LW
3363#endif
3364
988174c1
LW
3365/*
3366 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3367 * -DWS
3368 */
5ae72479 3369#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3370/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3371 re-order their values. However, to behave identically to the alternative
3372 implementations, they should truncate to the correct size. */
3373# define vtohl(x) ((x)&0xFFFFFFFF)
3374# define vtohs(x) ((x)&0xFFFF)
3375# define htovl(x) vtohl(x)
3376# define htovs(x) vtohs(x)
545872c5 3377#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3378# define vtohl(x) ((((x)&0xFF)<<24) \
3379 +(((x)>>24)&0xFF) \
3380 +(((x)&0x0000FF00)<<8) \
3381 +(((x)&0x00FF0000)>>8) )
3382# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3383# define htovl(x) vtohl(x)
3384# define htovs(x) vtohs(x)
545872c5
NC
3385#else
3386# error "Unsupported byteorder"
3387/* If you have need for current perl on PDP-11 or similar, and can help test
3388 that blead keeps working on a mixed-endian system, then see
3389 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3390#endif
988174c1 3391
3bb7c1b4
JH
3392/* *MAX Plus 1. A floating point value.
3393 Hopefully expressed in a way that dodgy floating point can't mess up.
3394 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3395 is added to it
3396 May find that some broken compiler will want the value cast to I32.
3397 [after the shift, as signed >> may not be as secure as unsigned >>]
3398*/
3399#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3400#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3401/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3402 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3403 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3404*/
3405#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3406
3bb7c1b4
JH
3407#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3408#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3409#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3410
3411/* This may look like unnecessary jumping through hoops, but converting
3412 out of range floating point values to integers *is* undefined behaviour,
3413 and it is starting to bite.
3414*/
3415#ifndef CAST_INLINE
65202027 3416#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3417#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3418#define I_V(what) (cast_iv((NV)(what)))
3419#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3420#else
3421#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3422 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3423 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3424#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3425 : ((n) < U32_MAX_P1 ? (U32) (n) \
3426 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3427#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3428 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3429 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3430#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3431 : ((n) < UV_MAX_P1 ? (UV) (n) \
3432 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3433#endif
3434
3435#define U_S(what) ((U16)U_32(what))
3436#define U_I(what) ((unsigned int)U_32(what))
3437#define U_L(what) U_32(what)
ed6116ce 3438
ed140128
AD
3439#ifdef HAS_SIGNBIT
3440# define Perl_signbit signbit
3441#endif
3442
2d4389e4
JH
3443/* These do not care about the fractional part, only about the range. */
3444#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3445#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3446
25da4f38
IZ
3447/* Used with UV/IV arguments: */
3448 /* XXXX: need to speed it up */
3449#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3450#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3451
352d5a3a
LW
3452#ifndef MAXSYSFD
3453# define MAXSYSFD 2
3454#endif
ee0007ab 3455
79072805 3456#ifndef __cplusplus
e37d7e38 3457#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3458Uid_t getuid (void);
3459Uid_t geteuid (void);
3460Gid_t getgid (void);
3461Gid_t getegid (void);
79072805 3462#endif
e1caacb4 3463#endif
8d063cd8 3464
0c30d9ec 3465#ifndef Perl_debug_log
bf49b057
GS
3466# define Perl_debug_log PerlIO_stderr()
3467#endif
3468
3469#ifndef Perl_error_log
3470# define Perl_error_log (PL_stderrgv \
6b78add2 3471 && isGV(PL_stderrgv) \
01bb7c6d 3472 && GvIOp(PL_stderrgv) \
42de951c 3473 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3474 ? IoOFP(GvIOp(PL_stderrgv)) \
3475 : PerlIO_stderr())
0c30d9ec 3476#endif
3967c732 3477
aea4f609
DM
3478
3479#define DEBUG_p_FLAG 0x00000001 /* 1 */
3480#define DEBUG_s_FLAG 0x00000002 /* 2 */
3481#define DEBUG_l_FLAG 0x00000004 /* 4 */
3482#define DEBUG_t_FLAG 0x00000008 /* 8 */
3483#define DEBUG_o_FLAG 0x00000010 /* 16 */
3484#define DEBUG_c_FLAG 0x00000020 /* 32 */
3485#define DEBUG_P_FLAG 0x00000040 /* 64 */
3486#define DEBUG_m_FLAG 0x00000080 /* 128 */
3487#define DEBUG_f_FLAG 0x00000100 /* 256 */
3488#define DEBUG_r_FLAG 0x00000200 /* 512 */
3489#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3490#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3491/* U is reserved for Unofficial, exploratory hacking */
3492#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3493#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3494#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3495#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3496#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3497#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3498#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3499#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3500#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3501#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3502#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3503#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3504#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3505#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3506#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3507
3508#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3509#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3510 that something was done? */
aea4f609 3511
bd16a5f0
IZ
3512# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3513# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3514# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3515# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3516# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3517# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3518# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3519# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3520# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3521# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3522# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3523# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3524# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3525# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3526# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3527# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3528# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3529# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3530# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3531# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3532# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3533# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3534# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3535# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3536# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3537# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3538# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3539# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3540# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3541
3967c732 3542#ifdef DEBUGGING
aea4f609 3543
bd16a5f0
IZ
3544# define DEBUG_p_TEST DEBUG_p_TEST_
3545# define DEBUG_s_TEST DEBUG_s_TEST_
3546# define DEBUG_l_TEST DEBUG_l_TEST_
3547# define DEBUG_t_TEST DEBUG_t_TEST_
3548# define DEBUG_o_TEST DEBUG_o_TEST_
3549# define DEBUG_c_TEST DEBUG_c_TEST_
3550# define DEBUG_P_TEST DEBUG_P_TEST_
3551# define DEBUG_m_TEST DEBUG_m_TEST_
3552# define DEBUG_f_TEST DEBUG_f_TEST_
3553# define DEBUG_r_TEST DEBUG_r_TEST_
3554# define DEBUG_x_TEST DEBUG_x_TEST_
3555# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3556# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3557# define DEBUG_H_TEST DEBUG_H_TEST_
3558# define DEBUG_X_TEST DEBUG_X_TEST_
3559# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3560# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3561# define DEBUG_T_TEST DEBUG_T_TEST_
3562# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3563# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3564# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3565# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3566# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3567# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3568# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3569# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3570# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3571# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3572# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3573
488b0c7a
JH
3574# define PERL_DEB(a) a
3575# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3576# define DEBUG_p(a) if (DEBUG_p_TEST) a
3577# define DEBUG_s(a) if (DEBUG_s_TEST) a
3578# define DEBUG_l(a) if (DEBUG_l_TEST) a
3579# define DEBUG_t(a) if (DEBUG_t_TEST) a
3580# define DEBUG_o(a) if (DEBUG_o_TEST) a
3581# define DEBUG_c(a) if (DEBUG_c_TEST) a
3582# define DEBUG_P(a) if (DEBUG_P_TEST) a
3583
969058bb
VK
3584 /* Temporarily turn off memory debugging in case the a
3585 * does memory allocation, either directly or indirectly. */
acfe0abc 3586# define DEBUG_m(a) \
0b250b9e 3587 STMT_START { \
aea4f609 3588 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3589 } STMT_END
aea4f609 3590
5f80b19c
AMS
3591# define DEBUG__(t, a) \
3592 STMT_START { \
3593 if (t) STMT_START {a;} STMT_END; \
3594 } STMT_END
3595
3596# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3597#ifndef PERL_EXT_RE_BUILD
5f80b19c 3598# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3599#else
3600# define DEBUG_r(a) STMT_START {a;} STMT_END
3601#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3602# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3603# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3604# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3605# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3606# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3607# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3608# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3609# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3610# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3611
56967202 3612# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3613# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3614# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3615# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3616# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3617# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3618# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3619# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3620# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3621
3622#else /* DEBUGGING */
3623
3624# define DEBUG_p_TEST (0)
3625# define DEBUG_s_TEST (0)
3626# define DEBUG_l_TEST (0)
3627# define DEBUG_t_TEST (0)
3628# define DEBUG_o_TEST (0)
3629# define DEBUG_c_TEST (0)
3630# define DEBUG_P_TEST (0)
3631# define DEBUG_m_TEST (0)
3632# define DEBUG_f_TEST (0)
3633# define DEBUG_r_TEST (0)
3634# define DEBUG_x_TEST (0)
3635# define DEBUG_u_TEST (0)
88d2d28a 3636# define DEBUG_U_TEST (0)
aea4f609
DM
3637# define DEBUG_H_TEST (0)
3638# define DEBUG_X_TEST (0)
3639# define DEBUG_D_TEST (0)
56967202 3640# define DEBUG_S_TEST (0)
aea4f609 3641# define DEBUG_T_TEST (0)
04932ac8 3642# define DEBUG_R_TEST (0)
1045810a 3643# define DEBUG_J_TEST (0)
d6721266 3644# define DEBUG_v_TEST (0)
46187eeb 3645# define DEBUG_C_TEST (0)
ecae49c0
NC
3646# define DEBUG_A_TEST (0)
3647# define DEBUG_q_TEST (0)
d7c0d282 3648# define DEBUG_M_TEST (0)
cc8773c0 3649# define DEBUG_B_TEST (0)
7949c6f5
JC
3650# define DEBUG_Xv_TEST (0)
3651# define DEBUG_Uv_TEST (0)
ad9e76a8 3652# define DEBUG_Pv_TEST (0)
aea4f609 3653
488b0c7a
JH
3654# define PERL_DEB(a)
3655# define PERL_DEBUG(a)
aea4f609
DM
3656# define DEBUG_p(a)
3657# define DEBUG_s(a)
3658# define DEBUG_l(a)
3659# define DEBUG_t(a)
3660# define DEBUG_o(a)
3661# define DEBUG_c(a)
3662# define DEBUG_P(a)
3663# define DEBUG_m(a)
3664# define DEBUG_f(a)
3665# define DEBUG_r(a)
3666# define DEBUG_x(a)
3667# define DEBUG_u(a)
88d2d28a 3668# define DEBUG_U(a)
aea4f609
DM
3669# define DEBUG_H(a)
3670# define DEBUG_X(a)
3671# define DEBUG_D(a)
56967202 3672# define DEBUG_S(a)
aea4f609 3673# define DEBUG_T(a)
04932ac8 3674# define DEBUG_R(a)
d6721266 3675# define DEBUG_v(a)
46187eeb 3676# define DEBUG_C(a)
ecae49c0
NC
3677# define DEBUG_A(a)
3678# define DEBUG_q(a)
d7c0d282 3679# define DEBUG_M(a)
cc8773c0 3680# define DEBUG_B(a)
7949c6f5
JC
3681# define DEBUG_Xv(a)
3682# define DEBUG_Uv(a)
ad9e76a8 3683# define DEBUG_Pv(a)
aea4f609
DM
3684#endif /* DEBUGGING */
3685
3686
b4ab917c 3687#define DEBUG_SCOPE(where) \
d9f81b50 3688 DEBUG_l( \
1c98cc53
DM
3689 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3690 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3691 __FILE__, __LINE__));
b4ab917c 3692
de84dc04
NC
3693#if defined(DEBUGGING) && defined(I_ASSERT)
3694# include <assert.h>
3695#endif
3696
3697/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3698 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3699
de84dc04 3700#define Perl_assert(what) PERL_DEB( \
2b057284 3701 ((what) ? ((void) 0) : \
67eb4d30 3702 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3703 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3704 (void) 0)))
de84dc04
NC
3705
3706#ifndef assert
3707# define assert(what) Perl_assert(what)
a446a88f 3708#endif
c7724415
FC
3709#ifdef DEBUGGING
3710# define assert_(what) assert(what),
3711#else
3712# define assert_(what)
3713#endif
8d063cd8 3714
450a55e4 3715struct ufuncs {
24f81a43
DM
3716 I32 (*uf_val)(pTHX_ IV, SV*);
3717 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3718 IV uf_index;
450a55e4
LW
3719};
3720
14befaf4 3721/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
3722 * XS code wanting to be backward compatible can do something
3723 * like the following:
c745e42c 3724
24f81a43 3725#ifndef PERL_MG_UFUNC
24f81a43
DM
3726#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3727#endif
3728
3729static PERL_MG_UFUNC(foo_get, index, val)</