This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Removed OP_IN_REGISTER and related defines.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
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11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
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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
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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)
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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
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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__
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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
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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
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/*
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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
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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)
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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
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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
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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), \
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229 (strend),(flags),(data))
230#define CALLREG_INTUIT_STRING(prog) \
16c91539 231 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 232
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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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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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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))
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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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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) \
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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
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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))
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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
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332# endif
333#endif
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334#ifndef PERL_UNUSED_VAR
335# define PERL_UNUSED_VAR(x) ((void)x)
336#endif
ad73156c 337
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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. */
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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_
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362# define aTHX
363# define aTHX_
9399a70c 364# define aTHXa(a) NOOP
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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
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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)
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384# define pTHXo pTHX
385# define pTHXo_ pTHX_
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386# define aTHXo aTHX
387# define aTHXo_ aTHX_
c5be433b 388# define dTHXo dTHX
71d280e3 389# define dTHXoa(x) dTHXa(x)
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390#endif
391
392#ifndef pTHXx
5aaab254 393# define pTHXx PerlInterpreter *my_perl
0cb96387 394# define pTHXx_ pTHXx,
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395# define aTHXx my_perl
396# define aTHXx_ aTHXx,
c5be433b 397# define dTHXx dTHX
22c35a8c 398#endif
71be2cbc 399
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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
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415#endif
416
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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
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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
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430# ifdef __cplusplus
431# define PERL_XS_EXPORT_C extern "C"
432# else
433# define PERL_XS_EXPORT_C
434# endif
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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
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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
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448#endif
449
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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
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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
468 /* Now which other defined()s do we need here ??? */
1400a53b 469# if (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803
PP
470# define STMT_START if (1)
471# define STMT_END else (void)0
472# else
473# define STMT_START do
474# define STMT_END while (0)
475# endif
476# endif
477#endif
478
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JH
479#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
480# define BYTEORDER 0x1234
79072805
LW
481#endif
482
483/* Overall memory policy? */
484#ifndef CONSERVATIVE
485# define LIBERAL 1
486#endif
487
8ada0baa
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488#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
489#define ASCIIish
490#else
491#undef ASCIIish
492#endif
493
79072805
LW
494/*
495 * The following contortions are brought to you on behalf of all the
496 * standards, semi-standards, de facto standards, not-so-de-facto standards
497 * of the world, as well as all the other botches anyone ever thought of.
498 * The basic theory is that if we work hard enough here, the rest of the
499 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
500 */
ac58e20f 501
ee0007ab 502/* define this once if either system, instead of cluttering up the src */
7c458fae 503#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
504#define DOSISH 1
505#endif
506
739a0b84 507#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
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508# define STANDARD_C 1
509#endif
510
8d87852b 511#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
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512# define DONT_DECLARE_STD 1
513#endif
514
352d5a3a 515#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 516# define VOL volatile
663a0e37 517#else
79072805 518# define VOL
663a0e37
LW
519#endif
520
284167a5
SM
521/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
522 * you get a perl without taint support, but doubtlessly with a lesser
523 * degree of support. Do not do so unless you know exactly what it means
524 * technically, have a good reason to do so, and know exactly how the
525 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
526 * a potential security risk due to flat out ignoring the security-relevant
527 * taint flags. This being said, a perl without taint support compiled in
528 * has marginal run-time performance benefits.
529 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
530 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
531 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
532 *
533 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 534 * voids your nonexistent warranty!
284167a5
SM
535 */
536#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
537# define NO_TAINT_SUPPORT 1
538#endif
539
540/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
541 * operations into no-ops for a very modest speed-up. Enable only if you
542 * know what you're doing: tests and CPAN modules' tests are bound to fail.
543 */
544#if NO_TAINT_SUPPORT
545# define TAINT NOOP
546# define TAINT_NOT NOOP
547# define TAINT_IF(c) NOOP
548# define TAINT_ENV() NOOP
549# define TAINT_PROPER(s) NOOP
550# define TAINT_set(s) NOOP
551# define TAINT_get 0
552# define TAINTING_get 0
553# define TAINTING_set(s) NOOP
554# define TAINT_WARN_get 0
555# define TAINT_WARN_set(s) NOOP
556#else
557# define TAINT (PL_tainted = TRUE)
558# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
559# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
560# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
561# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
562# define TAINT_set(s) (PL_tainted = (s))
563# define TAINT_get (PL_tainted)
564# define TAINTING_get (PL_tainting)
565# define TAINTING_set(s) (PL_tainting = (s))
566# define TAINT_WARN_get (PL_taint_warn)
567# define TAINT_WARN_set(s) (PL_taint_warn = (s))
568#endif
a687059c 569
20be6587
DM
570/* flags used internally only within pp_subst and pp_substcont */
571#ifdef PERL_CORE
572# define SUBST_TAINT_STR 1 /* string tainted */
573# define SUBST_TAINT_PAT 2 /* pattern tainted */
574# define SUBST_TAINT_REPL 4 /* replacement tainted */
575# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
576# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
577#endif
578
d460ef45 579/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
580 defines move there? If so, I could simplify this a lot. --AD 9/96.
581*/
582/* Process group stuff changed from traditional BSD to POSIX.
583 perlfunc.pod documents the traditional BSD-style syntax, so we'll
584 try to preserve that, if possible.
585*/
586#ifdef HAS_SETPGID
587# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 588#else
a6e633de
PP
589# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
590# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
591# else
592# ifdef HAS_SETPGRP2 /* DG/UX */
593# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
594# endif
595# endif
596#endif
597#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
598# define HAS_SETPGRP /* Well, effectively it does . . . */
599#endif
600
601/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
602 our life easier :-) so we'll try it.
603*/
604#ifdef HAS_GETPGID
605# define BSD_GETPGRP(pid) getpgid((pid))
606#else
607# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
608# define BSD_GETPGRP(pid) getpgrp((pid))
609# else
610# ifdef HAS_GETPGRP2 /* DG/UX */
611# define BSD_GETPGRP(pid) getpgrp2((pid))
612# endif
613# endif
614#endif
615#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
616# define HAS_GETPGRP /* Well, effectively it does . . . */
617#endif
618
d460ef45 619/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
620 have different behaviors, but perl.h used to define USE_BSDPGRP
621 (prior to 5.003_05) so some extension might depend on it.
622*/
623#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
624# ifndef USE_BSDPGRP
625# define USE_BSDPGRP
626# endif
663a0e37
LW
627#endif
628
486ec47a 629/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
630 pthread.h must be included before all other header files.
631*/
3db8f154 632#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
633# include <pthread.h>
634#endif
635
760ac839
LW
636#ifndef _TYPES_ /* If types.h defines this it's easy. */
637# ifndef major /* Does everyone's types.h define this? */
638# include <sys/types.h>
c07a80fd 639# endif
663a0e37
LW
640#endif
641
760ac839
LW
642#ifdef __cplusplus
643# ifndef I_STDARG
644# define I_STDARG 1
645# endif
646#endif
647
648#ifdef I_STDARG
649# include <stdarg.h>
650#else
651# ifdef I_VARARGS
652# include <varargs.h>
653# endif
654#endif
655
4633a7c4 656#ifdef USE_NEXT_CTYPE
0c30d9ec 657
092bebab
JH
658#if NX_CURRENT_COMPILER_RELEASE >= 500
659# include <bsd/ctypes.h>
660#else
661# if NX_CURRENT_COMPILER_RELEASE >= 400
662# include <objc/NXCType.h>
663# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
664# include <appkit/NXCType.h>
665# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
666#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
667
668#else /* !USE_NEXT_CTYPE */
fe14fcc3 669#include <ctype.h>
0c30d9ec 670#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
671
672#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
673#undef METHOD
a0d0e21e
LW
674#endif
675
12ae5dfc
JH
676#ifdef PERL_MICRO
677# define NO_LOCALE
678#endif
679
4633a7c4 680#ifdef I_LOCALE
36477c24 681# include <locale.h>
4633a7c4
LW
682#endif
683
36477c24
PP
684#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
685# define USE_LOCALE
ccd65d51
KW
686# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
687 capability */
36477c24
PP
688# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
689 && defined(HAS_STRXFRM)
690# define USE_LOCALE_COLLATE
691# endif
692# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
693# define USE_LOCALE_CTYPE
694# endif
695# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
696# define USE_LOCALE_NUMERIC
697# endif
fa9b773e
KW
698# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
699# define USE_LOCALE_MESSAGES
700# endif
701# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
702# define USE_LOCALE_MONETARY
703# endif
36477c24 704#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 705
fe14fcc3 706#include <setjmp.h>
79072805 707
a0d0e21e 708#ifdef I_SYS_PARAM
79072805
LW
709# ifdef PARAM_NEEDS_TYPES
710# include <sys/types.h>
711# endif
712# include <sys/param.h>
352d5a3a 713#endif
79072805 714
79072805 715/* Use all the "standard" definitions? */
a0d0e21e 716#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 717# include <stdlib.h>
ff68c719 718#endif
03a14243 719
3f270f98
JH
720/* If this causes problems, set i_unistd=undef in the hint file. */
721#ifdef I_UNISTD
722# include <unistd.h>
723#endif
724
de8ca8af
NT
725/* for WCOREDUMP */
726#ifdef I_SYS_WAIT
727# include <sys/wait.h>
728#endif
729
9969cdde 730#ifdef __SYMBIAN32__
27da23d5
JH
731# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
732#endif
733
21e89b5f 734#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 735EXTERN_C int syscall(int, ...);
2ef53570
JH
736#endif
737
21e89b5f 738#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 739EXTERN_C int usleep(unsigned int);
2ef53570
JH
740#endif
741
1109a392
MHM
742#ifdef PERL_CORE
743
744/* macros for correct constant construction */
745# if INTSIZE >= 2
746# define U16_CONST(x) ((U16)x##U)
747# else
748# define U16_CONST(x) ((U16)x##UL)
749# endif
750
751# if INTSIZE >= 4
752# define U32_CONST(x) ((U32)x##U)
753# else
754# define U32_CONST(x) ((U32)x##UL)
755# endif
756
757# ifdef HAS_QUAD
758# if INTSIZE >= 8
759# define U64_CONST(x) ((U64)x##U)
760# elif LONGSIZE >= 8
761# define U64_CONST(x) ((U64)x##UL)
762# elif QUADKIND == QUAD_IS_LONG_LONG
763# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
764# elif QUADKIND == QUAD_IS___INT64
765# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
766# else /* best guess we can make */
767# define U64_CONST(x) ((U64)x##UL)
768# endif
769# endif
770
771/* byte-swapping functions for big-/little-endian conversion */
772# define _swab_16_(x) ((U16)( \
773 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
774 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
775
776# define _swab_32_(x) ((U32)( \
777 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
778 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
779 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
780 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
781
782# ifdef HAS_QUAD
783# define _swab_64_(x) ((U64)( \
784 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
785 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
786 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
787 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
788 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
789 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
790 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
791 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
792# endif
793
9c17f24a
NC
794/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
795 at least on FreeBSD. YMMV, so experiment. */
796#ifndef PERL_ARENA_SIZE
797#define PERL_ARENA_SIZE 4080
798#endif
799
ccb2c8b8 800/* Maximum level of recursion */
2b9dff67
RGS
801#ifndef PERL_SUB_DEPTH_WARN
802#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
803#endif
804
1109a392
MHM
805#endif /* PERL_CORE */
806
bdf3085f
NC
807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
7459f06b
NC
810# ifndef PERL_DONT_CREATE_GVSV
811# define PERL_DONT_CREATE_GVSV
812# endif
bdf3085f
NC
813#endif
814
ca0c25f6
NC
815#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
816#define PERL_USES_PL_PIDSTATUS
817#endif
818
739a0b84 819#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
820#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
821#endif
822
c31fac66
GS
823#define MEM_SIZE Size_t
824
1936d2a7
NC
825/* Round all values passed to malloc up, by default to a multiple of
826 sizeof(size_t)
827*/
828#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
829#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
830#endif
831
f1200559
WH
832/* sv_grow() will expand strings by at least a certain percentage of
833 the previously *used* length to avoid excessive calls to realloc().
834 The default is 25% of the current length.
835*/
836#ifndef PERL_STRLEN_EXPAND_SHIFT
837# define PERL_STRLEN_EXPAND_SHIFT 2
838#endif
839
51371543
GS
840#if defined(STANDARD_C) && defined(I_STDDEF)
841# include <stddef.h>
842# define STRUCT_OFFSET(s,m) offsetof(s,m)
843#else
844# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
845#endif
846
9969cdde 847#ifndef __SYMBIAN32__
27da23d5
JH
848# if defined(I_STRING) || defined(__cplusplus)
849# include <string.h>
850# else
851# include <strings.h>
852# endif
51371543
GS
853#endif
854
55497cff
PP
855/* This comes after <stdlib.h> so we don't try to change the standard
856 * library prototypes; we'll use our own in proto.h instead. */
03a14243 857
4633a7c4 858#ifdef MYMALLOC
86058a2d 859# ifdef PERL_POLLUTE_MALLOC
ee13e175 860# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
861# define Perl_malloc malloc
862# define Perl_calloc calloc
863# define Perl_realloc realloc
864# define Perl_mfree free
ee13e175 865# endif
86058a2d
GS
866# else
867# define EMBEDMYMALLOC /* for compatibility */
868# endif
827e134a 869
651b9576
GS
870# define safemalloc Perl_malloc
871# define safecalloc Perl_calloc
872# define saferealloc Perl_realloc
873# define safefree Perl_mfree
22f7c9c9
JH
874# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
875 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
876 code; \
877 } STMT_END
878# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
879 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
880# define panic_write2(s) write(2, s, strlen(s))
881# define CHECK_MALLOC_TAINT(newval) \
882 CHECK_MALLOC_TOO_LATE_FOR_( \
883 if (newval) { \
884 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
885 exit(1); })
22f7c9c9 886# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 887 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
888 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
889 }} STMT_END;
f2517201
GS
890#else /* MYMALLOC */
891# define safemalloc safesysmalloc
892# define safecalloc safesyscalloc
893# define saferealloc safesysrealloc
894# define safefree safesysfree
22f7c9c9
JH
895# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
896# define CHECK_MALLOC_TAINT(newval) ((void)0)
897# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 898#endif /* MYMALLOC */
4633a7c4 899
fe13d51d 900/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 901#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH
902#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
903#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
904#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
905
a0d0e21e
LW
906#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
907#define strchr index
908#define strrchr rindex
909#endif
910
16d20bd9
AD
911#ifdef I_MEMORY
912# include <memory.h>
913#endif
914
fe14fcc3 915#ifdef HAS_MEMCPY
85e6fe83 916# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 917# ifndef memcpy
20ce7b12 918 extern char * memcpy (char*, char*, int);
ee0007ab
LW
919# endif
920# endif
921#else
922# ifndef memcpy
923# ifdef HAS_BCOPY
924# define memcpy(d,s,l) bcopy(s,d,l)
925# else
926# define memcpy(d,s,l) my_bcopy(s,d,l)
927# endif
928# endif
929#endif /* HAS_MEMCPY */
fe14fcc3 930
ee0007ab 931#ifdef HAS_MEMSET
85e6fe83 932# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 933# ifndef memset
20ce7b12 934 extern char *memset (char*, int, int);
ee0007ab
LW
935# endif
936# endif
ee0007ab 937#else
12ae5dfc 938# undef memset
fc36a67e 939# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
940#endif /* HAS_MEMSET */
941
85e6fe83 942#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 943# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
944# define memmove(d,s,l) bcopy(s,d,l)
945# else
2304df62 946# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 947# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 948# else
79072805 949# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 950# endif
352d5a3a 951# endif
d9d8d8de 952#endif
ee0007ab 953
36477c24
PP
954#if defined(mips) && defined(ultrix) && !defined(__STDC__)
955# undef HAS_MEMCMP
956#endif
957
958#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 959# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 960# ifndef memcmp
20ce7b12 961 extern int memcmp (char*, char*, int);
ee0007ab
LW
962# endif
963# endif
36477c24 964# ifdef BUGGY_MSC
7e4e8c89 965# pragma function(memcmp)
36477c24 966# endif
ee0007ab
LW
967#else
968# ifndef memcmp
ecfc5424 969# define memcmp my_memcmp
352d5a3a 970# endif
36477c24 971#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 972
fc36a67e 973#ifndef memzero
c635e13b
PP
974# ifdef HAS_MEMSET
975# define memzero(d,l) memset(d,0,l)
79072805 976# else
c635e13b
PP
977# ifdef HAS_BZERO
978# define memzero(d,l) bzero(d,l)
79072805 979# else
fc36a67e 980# define memzero(d,l) my_bzero(d,l)
79072805
LW
981# endif
982# endif
d9d8d8de 983#endif
378cc40b 984
2f42fcb0 985#ifndef PERL_MICRO
0f27ced1
JH
986#ifndef memchr
987# ifndef HAS_MEMCHR
988# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
989# endif
990#endif
2f42fcb0 991#endif
0f27ced1 992
36477c24
PP
993#ifndef HAS_BCMP
994# ifndef bcmp
995# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 996# endif
36477c24 997#endif /* !HAS_BCMP */
378cc40b 998
ae986130 999#ifdef I_NETINET_IN
79072805 1000# include <netinet/in.h>
ae986130
LW
1001#endif
1002
28e8609d
JH
1003#ifdef I_ARPA_INET
1004# include <arpa/inet.h>
1005#endif
1006
84902520
TB
1007#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1008/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1009 * (the neo-BSD seem to do this). */
1010# undef SF_APPEND
1011#endif
1012
1aef975c 1013#ifdef I_SYS_STAT
84902520 1014# include <sys/stat.h>
1aef975c 1015#endif
79072805 1016
287a962e
JD
1017/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1018 This definition should ideally go into win32/win32.h, but S_IFIFO is
1019 used later here in perl.h before win32/win32.h is being included. */
1020#if !defined(S_IFIFO) && defined(_S_IFIFO)
1021# define S_IFIFO _S_IFIFO
1022#endif
1023
cc3315ba 1024/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1025 like UTekV) are broken, sometimes giving false positives. Undefine
1026 them here and let the code below set them to proper values.
1027
1028 The ghs macro stands for GreenHills Software C-1.8.5 which
1029 is the C compiler for sysV88 and the various derivatives.
1030 This header file bug is corrected in gcc-2.5.8 and later versions.
1031 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1032
cc3315ba 1033#if defined(m88k) && defined(ghs)
79072805
LW
1034# undef S_ISDIR
1035# undef S_ISCHR
1036# undef S_ISBLK
1037# undef S_ISREG
1038# undef S_ISFIFO
1039# undef S_ISLNK
ee0007ab 1040#endif
135863df 1041
663a0e37
LW
1042#ifdef I_TIME
1043# include <time.h>
ffed7fef 1044#endif
663a0e37 1045
fe14fcc3 1046#ifdef I_SYS_TIME
85e6fe83 1047# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1048# define KERNEL
1049# endif
1050# include <sys/time.h>
85e6fe83 1051# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1052# undef KERNEL
1053# endif
a687059c 1054#endif
135863df 1055
55497cff 1056#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1057# include <sys/times.h>
d9d8d8de 1058#endif
8d063cd8 1059
fe14fcc3 1060#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1061# undef HAS_STRERROR
663a0e37
LW
1062#endif
1063
1064#include <errno.h>
1e743fda 1065
acfe0abc 1066#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1067# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1068#endif
1069
8cfab5ff 1070/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1071 * This is important for using IPv6.
8cfab5ff
JH
1072 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1073 * a bad idea since it breaks send() and recv(). */
1074#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1075# define _SOCKADDR_LEN
1076#endif
1077
da70cfc6 1078#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1079# include <sys/socket.h>
1080# if defined(USE_SOCKS) && defined(I_SOCKS)
1081# if !defined(INCLUDE_PROTOTYPES)
1082# define INCLUDE_PROTOTYPES /* for <socks.h> */
1083# define PERL_SOCKS_NEED_PROTOTYPES
1084# endif
1085# include <socks.h>
1086# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1087# undef INCLUDE_PROTOTYPES
1088# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1089# endif
d460ef45 1090# endif
1e743fda 1091# ifdef I_NETDB
2986a63f
JH
1092# ifdef NETWARE
1093# include<stdio.h>
1094# endif
1e743fda
JH
1095# include <netdb.h>
1096# endif
1097# ifndef ENOTSOCK
1098# ifdef I_NET_ERRNO
1099# include <net/errno.h>
1100# endif
1101# endif
1102#endif
1103
fa0a29af 1104/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1105 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1106 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1107#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1108# if defined(__THROW) && defined(__GLIBC__)
1109int sockatmark(int) __THROW;
1110# else
2ef53570 1111int sockatmark(int);
29820b6d 1112# endif
2ef53570
JH
1113#endif
1114
7e827271 1115#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH
1116EXTERN_C int fchdir(int);
1117EXTERN_C int flock(int, int);
1118EXTERN_C int fseeko(FILE *, off_t, int);
1119EXTERN_C off_t ftello(FILE *);
1120#endif
1121
7e827271 1122#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1123EXTERN_C char *crypt(const char *, const char *);
7e827271 1124EXTERN_C char **environ;
1ccb7c8d
JH
1125#endif
1126
83a6ff2e 1127#if defined(__cplusplus)
944c4fda 1128# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
b91fbb93 1129EXTERN_C char **environ;
83a6ff2e 1130# elif defined(__CYGWIN__)
667e2948
SP
1131EXTERN_C char *crypt(const char *, const char *);
1132#endif
83a6ff2e 1133#endif
667e2948 1134
1e743fda
JH
1135#ifdef SETERRNO
1136# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1137#endif
f86702cc
PP
1138
1139#ifdef VMS
1140# define SETERRNO(errcode,vmserrcode) \
1141 STMT_START { \
1142 set_errno(errcode); \
1143 set_vaxc_errno(vmserrcode); \
1144 } STMT_END
4ee39169
CS
1145# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1146# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1147# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1148# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1149
93189314
JH
1150# define LIB_INVARG LIB$_INVARG
1151# define RMS_DIR RMS$_DIR
1152# define RMS_FAC RMS$_FAC
1153# define RMS_FEX RMS$_FEX
1154# define RMS_FNF RMS$_FNF
1155# define RMS_IFI RMS$_IFI
1156# define RMS_ISI RMS$_ISI
1157# define RMS_PRV RMS$_PRV
1158# define SS_ACCVIO SS$_ACCVIO
1159# define SS_DEVOFFLINE SS$_DEVOFFLINE
1160# define SS_IVCHAN SS$_IVCHAN
1161# define SS_NORMAL SS$_NORMAL
748a9306 1162#else
93189314
JH
1163# define LIB_INVARG 0
1164# define RMS_DIR 0
1165# define RMS_FAC 0
1166# define RMS_FEX 0
1167# define RMS_FNF 0
1168# define RMS_IFI 0
1169# define RMS_ISI 0
1170# define RMS_PRV 0
1171# define SS_ACCVIO 0
1172# define SS_DEVOFFLINE 0
1173# define SS_IVCHAN 0
1174# define SS_NORMAL 0
748a9306 1175#endif
ed6116ce 1176
6ca940a9
TC
1177#ifdef WIN32
1178# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1179# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1180# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1181# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1182#endif
1183
1184#ifdef OS2
1185# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1186# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1187# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1188# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1189#endif
1190
1191#ifndef SETERRNO
1192# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1193#endif
1194
1195#ifndef dSAVEDERRNO
1196# define dSAVEDERRNO int saved_errno
1197# define dSAVE_ERRNO int saved_errno = errno
1198# define SAVE_ERRNO (saved_errno = errno)
1199# define RESTORE_ERRNO (errno = saved_errno)
1200#endif
1201
f5fa9033 1202#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1203
1204#define CLEAR_ERRSV() STMT_START { \
1205 if (!GvSV(PL_errgv)) { \
1206 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1207 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1208 SvREFCNT_dec(GvSV(PL_errgv)); \
1209 GvSV(PL_errgv) = newSVpvs(""); \
1210 } else { \
1211 SV *const errsv = GvSV(PL_errgv); \
1212 sv_setpvs(errsv, ""); \
1213 if (SvMAGICAL(errsv)) { \
1214 mg_free(errsv); \
1215 } \
1216 SvPOK_only(errsv); \
1217 } \
1218 } STMT_END
1219
1220
414bf5ae
MHM
1221#ifdef PERL_CORE
1222# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1223# define DEFSV_set(sv) \
1224 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1225# define SAVE_DEFSV \
1226 ( \
1227 save_gp(PL_defgv, 0), \
1228 GvINTRO_off(PL_defgv), \
1229 SAVEGENERICSV(GvSV(PL_defgv)), \
1230 GvSV(PL_defgv) = NULL \
1231 )
414bf5ae
MHM
1232#else
1233# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1234# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1235# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1236#endif
38a03e6e 1237
98eae8f5
GS
1238#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1239
55497cff 1240#ifndef errno
5ff3f7a4
GS
1241 extern int errno; /* ANSI allows errno to be an lvalue expr.
1242 * For example in multithreaded environments
1243 * something like this might happen:
1244 * extern int *_errno(void);
1245 * #define errno (*_errno()) */
d9d8d8de 1246#endif
663a0e37 1247
2304df62 1248#ifdef HAS_STRERROR
b3e384bf 1249# ifndef DONT_DECLARE_STD
a0d0e21e 1250# ifdef VMS
20ce7b12 1251 char *strerror (int,...);
a0d0e21e 1252# else
20ce7b12 1253 char *strerror (int);
a0d0e21e 1254# endif
b3e384bf
KW
1255# endif
1256# ifndef Strerror
1257# define Strerror strerror
1258# endif
2304df62
AD
1259#else
1260# ifdef HAS_SYS_ERRLIST
79072805
LW
1261 extern int sys_nerr;
1262 extern char *sys_errlist[];
2304df62
AD
1263# ifndef Strerror
1264# define Strerror(e) \
79072805 1265 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1266# endif
79072805 1267# endif
35c8bce7 1268#endif
663a0e37 1269
2304df62 1270#ifdef I_SYS_IOCTL
79072805
LW
1271# ifndef _IOCTL_
1272# include <sys/ioctl.h>
1273# endif
a687059c
LW
1274#endif
1275
ee0007ab 1276#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1277# ifdef HAS_SOCKETPAIR
1278# undef HAS_SOCKETPAIR
1279# endif
2304df62
AD
1280# ifdef I_NDBM
1281# undef I_NDBM
79072805 1282# endif
a687059c
LW
1283#endif
1284
02fc2eee
NC
1285#ifndef HAS_SOCKETPAIR
1286# ifdef HAS_SOCKET
1287# define socketpair Perl_my_socketpair
1288# endif
1289#endif
1290
a687059c 1291#if INTSIZE == 2
79072805
LW
1292# define htoni htons
1293# define ntohi ntohs
a687059c 1294#else
79072805
LW
1295# define htoni htonl
1296# define ntohi ntohl
a687059c
LW
1297#endif
1298
a0d0e21e 1299/* Configure already sets Direntry_t */
35c8bce7 1300#if defined(I_DIRENT)
663a0e37 1301# include <dirent.h>
8f1f23e8
W
1302 /* NeXT needs dirent + sys/dir.h */
1303# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1304# include <sys/dir.h>
1305# endif
ae986130 1306#else
fe14fcc3 1307# ifdef I_SYS_NDIR
79a0689e 1308# include <sys/ndir.h>
663a0e37 1309# else
fe14fcc3 1310# ifdef I_SYS_DIR
79a0689e
LW
1311# ifdef hp9000s500
1312# include <ndir.h> /* may be wrong in the future */
1313# else
1314# include <sys/dir.h>
1315# endif
663a0e37
LW
1316# endif
1317# endif
4633a7c4 1318#endif
a687059c 1319
c623bd54
LW
1320/*
1321 * The following gobbledygook brought to you on behalf of __STDC__.
1322 * (I could just use #ifndef __STDC__, but this is more bulletproof
1323 * in the face of half-implementations.)
1324 */
1325
21e89b5f 1326#if defined(I_SYSMODE)
ca6e1c26
JH
1327#include <sys/mode.h>
1328#endif
1329
c623bd54
LW
1330#ifndef S_IFMT
1331# ifdef _S_IFMT
1332# define S_IFMT _S_IFMT
1333# else
1334# define S_IFMT 0170000
1335# endif
1336#endif
1337
1338#ifndef S_ISDIR
1339# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1340#endif
1341
1342#ifndef S_ISCHR
1343# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1344#endif
1345
1346#ifndef S_ISBLK
fe14fcc3
LW
1347# ifdef S_IFBLK
1348# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1349# else
1350# define S_ISBLK(m) (0)
1351# endif
c623bd54
LW
1352#endif
1353
1354#ifndef S_ISREG
1355# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1356#endif
1357
1358#ifndef S_ISFIFO
fe14fcc3
LW
1359# ifdef S_IFIFO
1360# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1361# else
1362# define S_ISFIFO(m) (0)
1363# endif
c623bd54
LW
1364#endif
1365
1366#ifndef S_ISLNK
1367# ifdef _S_ISLNK
1368# define S_ISLNK(m) _S_ISLNK(m)
1369# else
1370# ifdef _S_IFLNK
1371# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1372# else
1373# ifdef S_IFLNK
1374# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1375# else
1376# define S_ISLNK(m) (0)
1377# endif
1378# endif
1379# endif
1380#endif
1381
1382#ifndef S_ISSOCK
1383# ifdef _S_ISSOCK
1384# define S_ISSOCK(m) _S_ISSOCK(m)
1385# else
1386# ifdef _S_IFSOCK
1387# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1388# else
1389# ifdef S_IFSOCK
1390# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1391# else
1392# define S_ISSOCK(m) (0)
1393# endif
1394# endif
1395# endif
1396#endif
1397
1398#ifndef S_IRUSR
1399# ifdef S_IREAD
1400# define S_IRUSR S_IREAD
1401# define S_IWUSR S_IWRITE
1402# define S_IXUSR S_IEXEC
1403# else
1404# define S_IRUSR 0400
1405# define S_IWUSR 0200
1406# define S_IXUSR 0100
1407# endif
fac7cdfc 1408#endif
1409
1410#ifndef S_IRGRP
1411# ifdef S_IRUSR
1412# define S_IRGRP (S_IRUSR>>3)
1413# define S_IWGRP (S_IWUSR>>3)
1414# define S_IXGRP (S_IXUSR>>3)
1415# else
1416# define S_IRGRP 0040
1417# define S_IWGRP 0020
1418# define S_IXGRP 0010
1419# endif
1420#endif
1421
1422#ifndef S_IROTH
1423# ifdef S_IRUSR
1424# define S_IROTH (S_IRUSR>>6)
1425# define S_IWOTH (S_IWUSR>>6)
1426# define S_IXOTH (S_IXUSR>>6)
1427# else
1428# define S_IROTH 0040
1429# define S_IWOTH 0020
1430# define S_IXOTH 0010
1431# endif
c623bd54
LW
1432#endif
1433
1434#ifndef S_ISUID
1435# define S_ISUID 04000
1436#endif
1437
1438#ifndef S_ISGID
1439# define S_ISGID 02000
1440#endif
1441
ca6e1c26
JH
1442#ifndef S_IRWXU
1443# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1444#endif
ca6e1c26
JH
1445
1446#ifndef S_IRWXG
1447# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1448#endif
ca6e1c26
JH
1449
1450#ifndef S_IRWXO
1451# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1452#endif
ca6e1c26 1453
b6c36746 1454/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1455 * which would get included through <sys/file.h >, but that is 3000
1456 * lines in the future. --jhi */
1457
b6c36746 1458#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1459# define S_IREAD S_IRUSR
1460#endif
1461
b6c36746 1462#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1463# define S_IWRITE S_IWUSR
1464#endif
1465
1466#ifndef S_IEXEC
1467# define S_IEXEC S_IXUSR
1468#endif
1469
a0d0e21e 1470#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1471# define SLOPPYDIVIDE
1472#endif
1473
748a9306
LW
1474#ifdef UV
1475#undef UV
1476#endif
1477
ce582cee
NC
1478/* For the times when you want the return value of sprintf, and you want it
1479 to be the length. Can't have a thread variable passed in, because C89 has
1480 no varargs macros.
1481*/
1482#ifdef SPRINTF_RETURNS_STRLEN
1483# define my_sprintf sprintf
1484#else
1485# define my_sprintf Perl_my_sprintf
1486#endif
1487
5b692037
JH
1488/*
1489 * If we have v?snprintf() and the C99 variadic macros, we can just
1490 * use just the v?snprintf(). It is nice to try to trap the buffer
1491 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1492 * gcc statement expressions, then use the function wrappers which try
1493 * to trap the overflow. If we can use the gcc statement expressions,
1494 * we can try that even with the version that uses the C99 variadic
1495 * macros.
5b692037
JH
1496 */
1497
1208b3dd
JH
1498/* Note that we do not check against snprintf()/vsnprintf() returning
1499 * negative values because that is non-standard behaviour and we use
1500 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1501 * that should be true only if the snprintf()/vsnprintf() are true
1502 * to the standard. */
1503
dfeee9b1 1504#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1505# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1506# 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 1507# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1508# else
1509# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1510# endif
1511#else
1512# define my_snprintf Perl_my_snprintf
1208b3dd 1513# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1514#endif
1515
dfeee9b1 1516#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1517# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1518# 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 1519# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1520# else
1521# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1522# endif
1523#else
1524# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1525# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1526#endif
d9fad198 1527
a6cc4119
SP
1528#ifdef HAS_STRLCAT
1529# define my_strlcat strlcat
1530#else
1531# define my_strlcat Perl_my_strlcat
1532#endif
1533
1534#ifdef HAS_STRLCPY
1535# define my_strlcpy strlcpy
1536#else
1537# define my_strlcpy Perl_my_strlcpy
1538#endif
1539
05f13f53 1540/*
27d4fb96
PP
1541 The IV type is supposed to be long enough to hold any integral
1542 value or a pointer.
1543 --Andy Dougherty August 1996
1544*/
1545
a22e52b9
JH
1546typedef IVTYPE IV;
1547typedef UVTYPE UV;
8175356b 1548
10cc9d2a 1549#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1550# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1551# define IV_MAX INT64_MAX
1552# define IV_MIN INT64_MIN
1553# define UV_MAX UINT64_MAX
cae7ae48
JH
1554# ifndef UINT64_MIN
1555# define UINT64_MIN 0
1556# endif
5ff3f7a4
GS
1557# define UV_MIN UINT64_MIN
1558# else
1559# define IV_MAX PERL_QUAD_MAX
1560# define IV_MIN PERL_QUAD_MIN
1561# define UV_MAX PERL_UQUAD_MAX
1562# define UV_MIN PERL_UQUAD_MIN
1563# endif
cf2093f6
JH
1564# define IV_IS_QUAD
1565# define UV_IS_QUAD
79072805 1566#else
8175356b 1567# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1568# define IV_MAX INT32_MAX
1569# define IV_MIN INT32_MIN
716026f9
DL
1570# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1571# define UV_MAX UINT32_MAX
1572# else
1573# define UV_MAX 4294967295U
1574# endif
cae7ae48
JH
1575# ifndef UINT32_MIN
1576# define UINT32_MIN 0
1577# endif
5ff3f7a4
GS
1578# define UV_MIN UINT32_MIN
1579# else
1580# define IV_MAX PERL_LONG_MAX
1581# define IV_MIN PERL_LONG_MIN
1582# define UV_MAX PERL_ULONG_MAX
1583# define UV_MIN PERL_ULONG_MIN
1584# endif
8175356b 1585# if IVSIZE == 8
cf2093f6
JH
1586# define IV_IS_QUAD
1587# define UV_IS_QUAD
de1c2614
JH
1588# ifndef HAS_QUAD
1589# define HAS_QUAD
1590# endif
cf2093f6
JH
1591# else
1592# undef IV_IS_QUAD
1593# undef UV_IS_QUAD
9ea40801 1594#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1595/* We think that removing this decade-old undef this will cause too much
1596 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1597 However, we do need HAS_QUAD in the core for use by the drand48 code,
1598 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1599# undef HAS_QUAD
e25d460c 1600#endif
cf2093f6 1601# endif
79072805 1602#endif
d7d93a81 1603
9a543cee
FC
1604#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1605
cae7ae48 1606#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1607#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1608
28e5dec8 1609#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1610#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1611#endif
1612
d460ef45 1613/*
26bb67e2
JH
1614 * The macros INT2PTR and NUM2PTR are (despite their names)
1615 * bi-directional: they will convert int/float to or from pointers.
1616 * However the conversion to int/float are named explicitly:
1617 * PTR2IV, PTR2UV, PTR2NV.
1618 *
1619 * For int conversions we do not need two casts if pointers are
1620 * the same size as IV and UV. Otherwise we need an explicit
1621 * cast (PTRV) to avoid compiler warnings.
1622 */
56431972
RB
1623#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1624# define PTRV UV
1625# define INT2PTR(any,d) (any)(d)
1626#else
d460ef45 1627# if PTRSIZE == LONGSIZE
56431972 1628# define PTRV unsigned long
e91e3b10 1629# define PTR2ul(p) (unsigned long)(p)
42718184 1630# else
56431972 1631# define PTRV unsigned
42718184 1632# endif
e91e3b10
RB
1633#endif
1634
1635#ifndef INT2PTR
56431972 1636# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1637#endif
e91e3b10
RB
1638
1639#ifndef PTR2ul
1640# define PTR2ul(p) INT2PTR(unsigned long,p)
1641#endif
1642
56431972
RB
1643#define NUM2PTR(any,d) (any)(PTRV)(d)
1644#define PTR2IV(p) INT2PTR(IV,p)
1645#define PTR2UV(p) INT2PTR(UV,p)
1646#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1647#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1648
8141890a
JH
1649/* According to strict ANSI C89 one cannot freely cast between
1650 * data pointers and function (code) pointers. There are at least
1651 * two ways around this. One (used below) is to do two casts,
1652 * first the other pointer to an (unsigned) integer, and then
1653 * the integer to the other pointer. The other way would be
1654 * to use unions to "overlay" the pointers. For an example of
1655 * the latter technique, see union dirpu in struct xpvio in sv.h.
1656 * The only feasible use is probably temporarily storing
1657 * function pointers in a data pointer (such as a void pointer). */
1658
e91e3b10
RB
1659#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1660#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1661
65202027 1662#ifdef USE_LONG_DOUBLE
1048ea30
JH
1663# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1664# define LONG_DOUBLE_EQUALS_DOUBLE
1665# endif
68d4903c 1666# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1667# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1668# endif
1669#endif
1670
2d4389e4
JH
1671#ifdef OVR_DBL_DIG
1672/* Use an overridden DBL_DIG */
1673# ifdef DBL_DIG
1674# undef DBL_DIG
1675# endif
1676# define DBL_DIG OVR_DBL_DIG
1677#else
1678/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1679 default value for printing floating point numbers in Gconvert
1680 (see config.h). (It also has other uses, such as figuring out if
1681 a given precision of printing can be done with a double instead of
1682 a long double - Allen).
2d4389e4
JH
1683*/
1684#ifdef I_LIMITS
1685#include <limits.h>
1686#endif
1687#ifdef I_FLOAT
1688#include <float.h>
1689#endif
1690#ifndef HAS_DBL_DIG
1691#define DBL_DIG 15 /* A guess that works lots of places */
1692#endif
1693#endif
1694
1695#ifdef OVR_LDBL_DIG
1696/* Use an overridden LDBL_DIG */
1697# ifdef LDBL_DIG
1698# undef LDBL_DIG
1699# endif
1700# define LDBL_DIG OVR_LDBL_DIG
1701#else
1702/* The following is all to get LDBL_DIG, in order to pick a nice
1703 default value for printing floating point numbers in Gconvert.
1704 (see config.h)
1705*/
68d4903c
JH
1706# ifdef I_LIMITS
1707# include <limits.h>
1708# endif
1709# ifdef I_FLOAT
1710# include <float.h>
1711# endif
1712# ifndef HAS_LDBL_DIG
1713# if LONG_DOUBLESIZE == 10
1714# define LDBL_DIG 18 /* assume IEEE */
1715# else
1716# if LONG_DOUBLESIZE == 12
1717# define LDBL_DIG 18 /* gcc? */
1718# else
1719# if LONG_DOUBLESIZE == 16
1720# define LDBL_DIG 33 /* assume IEEE */
1721# else
1722# if LONG_DOUBLESIZE == DOUBLESIZE
1723# define LDBL_DIG DBL_DIG /* bummer */
1724# endif
1725# endif
1726# endif
1727# endif
1728# endif
2d4389e4
JH
1729#endif
1730
20f6aaab
AS
1731/*
1732 * This is for making sure we have a good DBL_MAX value, if possible,
1733 * either for usage as NV_MAX or for usage in figuring out if we can
1734 * fit a given long double into a double, if bug-fixing makes it
1735 * necessary to do so. - Allen <allens@cpan.org>
1736 */
1737
205f51d8
AS
1738#ifdef I_LIMITS
1739# include <limits.h>
20f6aaab
AS
1740#endif
1741
205f51d8
AS
1742#ifdef I_VALUES
1743# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1744# include <values.h>
1745# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1746# define DBL_MAX MAXDOUBLE
1747# endif
1748# if defined(MINDOUBLE) && !defined(DBL_MIN)
1749# define DBL_MIN MINDOUBLE
1750# endif
1751# endif
1752#endif /* defined(I_VALUES) */
1753
a22e52b9 1754typedef NVTYPE NV;
8175356b 1755
792d8dab
JH
1756#ifdef I_IEEEFP
1757# include <ieeefp.h>
1758#endif
923fc586 1759
65202027 1760#ifdef USE_LONG_DOUBLE
923fc586
JH
1761# ifdef I_SUNMATH
1762# include <sunmath.h>
1763# endif
2d4389e4 1764# define NV_DIG LDBL_DIG
d6c14000
JH
1765# ifdef LDBL_MANT_DIG
1766# define NV_MANT_DIG LDBL_MANT_DIG
1767# endif
06fc1729
JH
1768# ifdef LDBL_MIN
1769# define NV_MIN LDBL_MIN
1770# endif
1771# ifdef LDBL_MAX
1772# define NV_MAX LDBL_MAX
1773# endif
1774# ifdef LDBL_MIN_10_EXP
1775# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1776# endif
1777# ifdef LDBL_MAX_10_EXP
1778# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1779# endif
1780# ifdef LDBL_EPSILON
1781# define NV_EPSILON LDBL_EPSILON
1782# endif
f4a14a62
JH
1783# ifdef LDBL_MAX
1784# define NV_MAX LDBL_MAX
20f6aaab 1785/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1786# else
1787# ifdef HUGE_VALL
1788# define NV_MAX HUGE_VALL
1789# else
1790# ifdef HUGE_VAL
1791# define NV_MAX ((NV)HUGE_VAL)
1792# endif
1793# endif
1794# endif
68d4903c 1795# ifdef HAS_SQRTL
68d4903c
JH
1796# define Perl_cos cosl
1797# define Perl_sin sinl
1798# define Perl_sqrt sqrtl
1799# define Perl_exp expl
1800# define Perl_log logl
1801# define Perl_atan2 atan2l
1802# define Perl_pow powl
1803# define Perl_floor floorl
1bbae031 1804# define Perl_ceil ceill
68d4903c
JH
1805# define Perl_fmod fmodl
1806# endif
a3540c92
JH
1807/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1808# ifdef HAS_MODFL
1809# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1810/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1811 prototype in <math.h> */
1812# ifndef HAS_MODFL_PROTO
a221a8a5 1813EXTERN_C long double modfl(long double, long double *);
51997bc3 1814# endif
03476e8e
JH
1815# else
1816# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1817 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1818# define Perl_modf(x,y) Perl_my_modfl(x,y)
1819# endif
a3540c92
JH
1820# endif
1821# ifdef HAS_FREXPL
dff3e0b8 1822# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1823# else
1824# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1825 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1826# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1827# endif
a3540c92 1828# endif
38dbb4c5 1829# ifndef Perl_isnan
758a5d79
JH
1830# ifdef HAS_ISNANL
1831# define Perl_isnan(x) isnanl(x)
1832# endif
1833# endif
1834# ifndef Perl_isinf
1835# ifdef HAS_FINITEL
1836# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1837# endif
1838# endif
65202027 1839#else
2d4389e4 1840# define NV_DIG DBL_DIG
d6c14000
JH
1841# ifdef DBL_MANT_DIG
1842# define NV_MANT_DIG DBL_MANT_DIG
1843# endif
06fc1729
JH
1844# ifdef DBL_MIN
1845# define NV_MIN DBL_MIN
1846# endif
1847# ifdef DBL_MAX
1848# define NV_MAX DBL_MAX
1849# endif
1850# ifdef DBL_MIN_10_EXP
1851# define NV_MIN_10_EXP DBL_MIN_10_EXP
1852# endif
1853# ifdef DBL_MAX_10_EXP
1854# define NV_MAX_10_EXP DBL_MAX_10_EXP
1855# endif
1856# ifdef DBL_EPSILON
1857# define NV_EPSILON DBL_EPSILON
1858# endif
205f51d8 1859# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1860# define NV_MAX DBL_MAX
1861# define NV_MIN DBL_MIN
1862# else
1863# ifdef HUGE_VAL
1864# define NV_MAX HUGE_VAL
1865# endif
1866# endif
65202027
DS
1867# define Perl_cos cos
1868# define Perl_sin sin
1869# define Perl_sqrt sqrt
1870# define Perl_exp exp
1871# define Perl_log log
1872# define Perl_atan2 atan2
1873# define Perl_pow pow
1874# define Perl_floor floor
1bbae031 1875# define Perl_ceil ceil
65202027 1876# define Perl_fmod fmod
a3540c92 1877# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1878# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1879#endif
1880
1881/* rumor has it that Win32 has _fpclass() */
1882
205f51d8
AS
1883/* SGI has fpclassl... but not with the same result values,
1884 * and it's via a typedef (not via #define), so will need to redo Configure
1885 * to use. Not worth the trouble, IMO, at least until the below is used
1886 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1887 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1888 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1889
758a5d79
JH
1890#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1891# ifdef I_IEEFP
1892# include <ieeefp.h>
1893# endif
1894# ifdef I_FP
1895# include <fp.h>
1896# endif
1897# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1898# define Perl_fp_class() fpclassl(x)
1899# else
1900# define Perl_fp_class() fpclass(x)
1901# endif
1902# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1903# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1904# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1905# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1906# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1907# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1908# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1909# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1910# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1911# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1912# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1913# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1914# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1915# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1916# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1917#endif
1918
21e89b5f 1919#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1920# include <math.h>
1921# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1922# include <fp_class.h>
1923# endif
1924# define Perl_fp_class(x) fp_class(x)
1925# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1926# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1927# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1928# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1929# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1930# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1931# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1932# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1933# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1934# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1935# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1936# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1937# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1938# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1939# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1940#endif
1941
1942#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1943# include <math.h>
1944# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1945# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1946# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1947# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1948# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1949# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1950#endif
1951
1952#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1953# include <math.h>
1954# ifndef _cplusplus
1955# define Perl_fp_class(x) class(x)
1956# else
1957# define Perl_fp_class(x) _class(x)
1958# endif
1959# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1960# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1961# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1962# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1963# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1964# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1965# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1966# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1967# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1968# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1969# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1970# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1971# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1972# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1973# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1974#endif
1975
1976/* rumor has it that Win32 has _isnan() */
1977
1978#ifndef Perl_isnan
a3540c92 1979# ifdef HAS_ISNAN
758a5d79
JH
1980# define Perl_isnan(x) isnan((NV)x)
1981# else
1982# ifdef Perl_fp_class_nan
1983# define Perl_isnan(x) Perl_fp_class_nan(x)
1984# else
1985# ifdef HAS_UNORDERED
1986# define Perl_isnan(x) unordered((x), 0.0)
1987# else
1988# define Perl_isnan(x) ((x)!=(x))
1989# endif
1990# endif
1991# endif
1992#endif
1993
ca6c63e1
JH
1994#ifdef UNDER_CE
1995int isnan(double d);
1996#endif
1997
758a5d79
JH
1998#ifndef Perl_isinf
1999# ifdef HAS_ISINF
2000# define Perl_isinf(x) isinf((NV)x)
a3540c92 2001# else
758a5d79
JH
2002# ifdef Perl_fp_class_inf
2003# define Perl_isinf(x) Perl_fp_class_inf(x)
2004# else
2005# define Perl_isinf(x) ((x)==NV_INF)
2006# endif
2007# endif
2008#endif
2009
2010#ifndef Perl_isfinite
2011# ifdef HAS_FINITE
2012# define Perl_isfinite(x) finite((NV)x)
2013# else
2014# ifdef HAS_ISFINITE
2015# define Perl_isfinite(x) isfinite(x)
2016# else
2017# ifdef Perl_fp_class_finite
2018# define Perl_isfinite(x) Perl_fp_class_finite(x)
2019# else
2020# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2021# endif
2022# endif
a3540c92 2023# endif
65202027
DS
2024#endif
2025
a36244b7
JH
2026/* The default is to use Perl's own atof() implementation (in numeric.c).
2027 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2028 * it is however best to use the native implementation of atof.
2029 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2030 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2031 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2032 * you may need to be using a different function than atof! */
a36244b7
JH
2033
2034#ifndef USE_PERL_ATOF
2035# ifndef _UNICOS
2036# define USE_PERL_ATOF
2037# endif
2038#else
2039# if USE_PERL_ATOF == 0
2040# undef USE_PERL_ATOF
2041# endif
2042#endif
2043
2044#ifdef USE_PERL_ATOF
2045# define Perl_atof(s) Perl_my_atof(s)
2046# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2047#else
2048# define Perl_atof(s) (NV)atof(s)
2049# define Perl_atof2(s, n) ((n) = atof(s))
2050#endif
cf2093f6 2051
d460ef45 2052/* Previously these definitions used hardcoded figures.
760ac839
LW
2053 * It is hoped these formula are more portable, although
2054 * no data one way or another is presently known to me.
2055 * The "PERL_" names are used because these calculated constants
2056 * do not meet the ANSI requirements for LONG_MAX, etc., which
2057 * need to be constants acceptable to #if - kja
2058 * define PERL_LONG_MAX 2147483647L
2059 * define PERL_LONG_MIN (-LONG_MAX - 1)
2060 * define PERL ULONG_MAX 4294967295L
2061 */
2062
2063#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2064# include <limits.h>
760ac839 2065#endif
205f51d8 2066/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2067 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2068
99abf803
PP
2069/*
2070 * Try to figure out max and min values for the integral types. THE CORRECT
2071 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2072 * following hacks are used if neither limits.h or values.h provide them:
2073 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2074 * for types < int: (unsigned TYPE)~(unsigned)0
2075 * The argument to ~ must be unsigned so that later signed->unsigned
2076 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2077 * and it must not be smaller than int because ~ does integral promotion.
2078 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2079 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2080 * The latter is a hack which happens to work on some machines but
2081 * does *not* catch any random system, or things like integer types
2082 * with NaN if that is possible.
2083 *
2084 * All of the types are explicitly cast to prevent accidental loss of
2085 * numeric range, and in the hope that they will be less likely to confuse
2086 * over-eager optimizers.
2087 *
2088 */
27d4fb96 2089
99abf803
PP
2090#define PERL_UCHAR_MIN ((unsigned char)0)
2091
2092#ifdef UCHAR_MAX
2093# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2094#else
99abf803
PP
2095# ifdef MAXUCHAR
2096# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2097# else
99abf803 2098# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2099# endif
2100#endif
d460ef45 2101
99abf803
PP
2102/*
2103 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2104 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2105 * depending on local options. Until Configure detects this (or at least
2106 * detects whether the "signed" keyword is available) the CHAR ranges
2107 * will not be included. UCHAR functions normally.
2108 * - kja
2109 */
27d4fb96 2110
99abf803
PP
2111#define PERL_USHORT_MIN ((unsigned short)0)
2112
2113#ifdef USHORT_MAX
2114# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2115#else
99abf803
PP
2116# ifdef MAXUSHORT
2117# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2118# else
ef2f54b0
CB
2119# ifdef USHRT_MAX
2120# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2121# else
2122# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2123# endif
27d4fb96
PP
2124# endif
2125#endif
2126
27d4fb96 2127#ifdef SHORT_MAX
99abf803 2128# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2129#else
2130# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2131# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2132# else
ef2f54b0
CB
2133# ifdef SHRT_MAX
2134# define PERL_SHORT_MAX ((short)SHRT_MAX)
2135# else
2136# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2137# endif
27d4fb96
PP
2138# endif
2139#endif
2140
2141#ifdef SHORT_MIN
99abf803 2142# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2143#else
2144# ifdef MINSHORT
99abf803 2145# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2146# else
ef2f54b0
CB
2147# ifdef SHRT_MIN
2148# define PERL_SHORT_MIN ((short)SHRT_MIN)
2149# else
2150# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2151# endif
27d4fb96
PP
2152# endif
2153#endif
2154
99abf803
PP
2155#ifdef UINT_MAX
2156# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2157#else
99abf803
PP
2158# ifdef MAXUINT
2159# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2160# else
99abf803 2161# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2162# endif
2163#endif
2164
99abf803 2165#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2166
2167#ifdef INT_MAX
99abf803 2168# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2169#else
2170# ifdef MAXINT /* Often used in <values.h> */
99abf803 2171# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2172# else
99abf803 2173# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2174# endif
2175#endif
2176
2177#ifdef INT_MIN
99abf803 2178# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2179#else
2180# ifdef MININT
99abf803 2181# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2182# else
2183# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2184# endif
2185#endif
2186
99abf803
PP
2187#ifdef ULONG_MAX
2188# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2189#else
99abf803
PP
2190# ifdef MAXULONG
2191# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2192# else
99abf803 2193# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2194# endif
2195#endif
2196
99abf803 2197#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2198
760ac839 2199#ifdef LONG_MAX
99abf803 2200# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2201#else
2202# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2203# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2204# else
99abf803 2205# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2206# endif
2207#endif
2208
2209#ifdef LONG_MIN
99abf803 2210# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2211#else
2212# ifdef MINLONG
99abf803 2213# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2214# else
27d4fb96 2215# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2216# endif
2217#endif
2218
d7d93a81 2219#ifdef UV_IS_QUAD
99abf803 2220
99abf803 2221# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2222# define PERL_UQUAD_MIN ((UV)0)
99abf803 2223# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2224# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2225
79072805
LW
2226#endif
2227
830247a4 2228struct RExC_state_t;
8e11feef 2229struct _reg_trie_data;
880b20b6 2230
ee0007ab 2231typedef MEM_SIZE STRLEN;
450a55e4 2232
598921a7
NC
2233#ifdef PERL_MAD
2234typedef struct token TOKEN;
2235typedef struct madprop MADPROP;
2236typedef struct nexttoken NEXTTOKE;
2237#endif
79072805
LW
2238typedef struct op OP;
2239typedef struct cop COP;
2240typedef struct unop UNOP;
2241typedef struct binop BINOP;
2242typedef struct listop LISTOP;
2243typedef struct logop LOGOP;
79072805
LW
2244typedef struct pmop PMOP;
2245typedef struct svop SVOP;
7934575e 2246typedef struct padop PADOP;
79072805 2247typedef struct pvop PVOP;
79072805
LW
2248typedef struct loop LOOP;
2249
7aef8e5b 2250#ifdef PERL_CORE
8be227ab
FC
2251typedef struct opslab OPSLAB;
2252typedef struct opslot OPSLOT;
2253#endif
2254
52db365a 2255typedef struct block_hooks BHK;
1830b3d9 2256typedef struct custom_op XOP;
52db365a 2257
cd1541b2
NC
2258typedef struct interpreter PerlInterpreter;
2259
d2b3f365 2260/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2261#if defined(__sgi)
d2b3f365 2262# define STRUCT_SV perl_sv
b8d3c5db
JH
2263#else
2264# define STRUCT_SV sv
2265#endif
2266typedef struct STRUCT_SV SV;
79072805
LW
2267typedef struct av AV;
2268typedef struct hv HV;
2269typedef struct cv CV;
d2f13c59 2270typedef struct p5rx REGEXP;
79072805 2271typedef struct gp GP;
0c30d9ec 2272typedef struct gv GV;
8990e307 2273typedef struct io IO;
c09156bb 2274typedef struct context PERL_CONTEXT;
79072805
LW
2275typedef struct block BLOCK;
2276
2277typedef struct magic MAGIC;
2278typedef struct xpv XPV;
2279typedef struct xpviv XPVIV;
ff68c719 2280typedef struct xpvuv XPVUV;
79072805
LW
2281typedef struct xpvnv XPVNV;
2282typedef struct xpvmg XPVMG;
2283typedef struct xpvlv XPVLV;
d361b004 2284typedef struct xpvinvlist XINVLIST;
79072805
LW
2285typedef struct xpvav XPVAV;
2286typedef struct xpvhv XPVHV;
2287typedef struct xpvgv XPVGV;
2288typedef struct xpvcv XPVCV;
2289typedef struct xpvbm XPVBM;
2290typedef struct xpvfm XPVFM;
8990e307 2291typedef struct xpvio XPVIO;
79072805
LW
2292typedef struct mgvtbl MGVTBL;
2293typedef union any ANY;
5f7fde29
GS
2294typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2295typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2296typedef struct clone_params CLONE_PARAMS;
2297
35e035cc 2298/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2299 * so hide the type. */
2300typedef struct padlist PADLIST;
67634234 2301typedef AV PAD;
35e035cc
FC
2302typedef AV PADNAMELIST;
2303typedef SV PADNAME;
67634234 2304
13b0f67d
DM
2305/* enable PERL_NEW_COPY_ON_WRITE by default */
2306#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2307# define PERL_NEW_COPY_ON_WRITE
2308#endif
07d01d6e 2309
db2c6cb3
FC
2310#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2311# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2312# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2313# else
2314# define PERL_ANY_COW
2315# endif
9f351b45
DM
2316#else
2317# define PERL_SAWAMPERSAND
db2c6cb3
FC
2318#endif
2319
378cc40b 2320#include "handy.h"
a0d0e21e 2321
6b8eaf93 2322#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2323# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2324# define USE_64_BIT_RAWIO /* implicit */
2325# endif
4564133c
JH
2326#endif
2327
6b8eaf93
JH
2328/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2329 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2330 * however, because operating systems like to do that themself. */
2331#ifndef FSEEKSIZE
2332# ifdef HAS_FSEEKO
2333# define FSEEKSIZE LSEEKSIZE
2334# else
2335# define FSEEKSIZE LONGSIZE
d460ef45 2336# endif
6b8eaf93
JH
2337#endif
2338
2339#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2340# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2341# define USE_64_BIT_STDIO /* implicit */
2342# endif
2343#endif
4564133c 2344
09458382 2345#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2346# ifdef HAS_OFF64_T
2347# undef Off_t
2348# define Off_t off64_t
2349# undef LSEEKSIZE
2350# define LSEEKSIZE 8
5ff3f7a4 2351# endif
d9b3e12d
JH
2352/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2353 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2354 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2355# if defined(USE_OPEN64)
2356# define open open64
5ff3f7a4 2357# endif
d9b3e12d
JH
2358# if defined(USE_LSEEK64)
2359# define lseek lseek64
6b8eaf93
JH
2360# else
2361# if defined(USE_LLSEEK)
2362# define lseek llseek
2363# endif
d9b3e12d
JH
2364# endif
2365# if defined(USE_STAT64)
2366# define stat stat64
2367# endif
2368# if defined(USE_FSTAT64)
2369# define fstat fstat64
2370# endif
2371# if defined(USE_LSTAT64)
2372# define lstat lstat64
2373# endif
2374# if defined(USE_FLOCK64)
2375# define flock flock64
2376# endif
2377# if defined(USE_LOCKF64)
2378# define lockf lockf64
2379# endif
2380# if defined(USE_FCNTL64)
2381# define fcntl fcntl64
2382# endif
2383# if defined(USE_TRUNCATE64)
2384# define truncate truncate64
2385# endif
2386# if defined(USE_FTRUNCATE64)
2387# define ftruncate ftruncate64
2388# endif
2389#endif
2390
2391#ifdef USE_64_BIT_STDIO
2392# ifdef HAS_FPOS64_T
2393# undef Fpos_t
2394# define Fpos_t fpos64_t
2395# endif
2396/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2397 * will trigger defines like the ones below. Some 64-bit environments,
2398 * however, do not. */
2399# if defined(USE_FOPEN64)
2400# define fopen fopen64
2401# endif
2402# if defined(USE_FSEEK64)
6b8eaf93 2403# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2404# endif
2405# if defined(USE_FTELL64)
6b8eaf93 2406# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2407# endif
2408# if defined(USE_FSETPOS64)
2409# define fsetpos fsetpos64
2410# endif
2411# if defined(USE_FGETPOS64)
2412# define fgetpos fgetpos64
2413# endif
2414# if defined(USE_TMPFILE64)
2415# define tmpfile tmpfile64
2416# endif
2417# if defined(USE_FREOPEN64)
2418# define freopen freopen64
5ff3f7a4
GS
2419# endif
2420#endif
2421
e37778c2 2422#if defined(OS2)
2c2d71f5
JH
2423# include "iperlsys.h"
2424#endif
2425
748a9306 2426#ifdef DOSISH
19848b3f
JH
2427# if defined(OS2)
2428# include "os2ish.h"
2429# else
2430# include "dosish.h"
2431# endif
2432# define ISHISH "dos"
2433#endif
2434
2435#if defined(VMS)
748a9306 2436# include "vmsish.h"
19848b3f
JH
2437# define ISHISH "vms"
2438#endif
2439
2440#if defined(PLAN9)
2441# include "./plan9/plan9ish.h"
2442# define ISHISH "plan9"
2443#endif
2444
19848b3f 2445#if defined(__VOS__)
196918b0
PG
2446# ifdef __GNUC__
2447# include "./vos/vosish.h"
2448# else
2449# include "vos/vosish.h"
2450# endif
19848b3f
JH
2451# define ISHISH "vos"
2452#endif
2453
9969cdde 2454#ifdef __SYMBIAN32__
27da23d5 2455# include "symbian/symbianish.h"
27da23d5
JH
2456# define ISHISH "symbian"
2457#endif
2458
19848b3f 2459
df00ff3b
IW
2460#if defined(__HAIKU__)
2461# include "haiku/haikuish.h"
2462# define ISHISH "haiku"
efca5cc6
JH
2463#endif
2464
19848b3f
JH
2465#ifndef ISHISH
2466# include "unixish.h"
2467# define ISHISH "unix"
13b6e58c
JH
2468#endif
2469
2946a158
JH
2470/* NSIG logic from Configure --> */
2471/* Strange style to avoid deeply-nested #if/#else/#endif */
2472#ifndef NSIG
2473# ifdef _NSIG
2474# define NSIG (_NSIG)
2475# endif
2476#endif
2477
2478#ifndef NSIG
2479# ifdef SIGMAX
2480# define NSIG (SIGMAX+1)
2481# endif
2482#endif
2483
2484#ifndef NSIG
2485# ifdef SIG_MAX
2486# define NSIG (SIG_MAX+1)
2487# endif
2488#endif
2489
2490#ifndef NSIG
2491# ifdef _SIG_MAX
2492# define NSIG (_SIG_MAX+1)
2493# endif
2494#endif
2495
2496#ifndef NSIG
2497# ifdef MAXSIG
2498# define NSIG (MAXSIG+1)
2499# endif
2500#endif
2501
2502#ifndef NSIG
2503# ifdef MAX_SIG
2504# define NSIG (MAX_SIG+1)
2505# endif
2506#endif
2507
2508#ifndef NSIG
2509# ifdef SIGARRAYSIZE
2510# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2511# endif
2512#endif
2513
2514#ifndef NSIG
2515# ifdef _sys_nsig
2516# define NSIG (_sys_nsig) /* Solaris 2.5 */
2517# endif
2518#endif
2519
2520/* Default to some arbitrary number that's big enough to get most
2521 of the common signals.
2522*/
2523#ifndef NSIG
2524# define NSIG 50
2525#endif
2526/* <-- NSIG logic from Configure */
2527
13b6e58c
JH
2528#ifndef NO_ENVIRON_ARRAY
2529# define USE_ENVIRON_ARRAY
2530#endif
32f822de 2531
c77b533b
JH
2532/*
2533 * initialise to avoid floating-point exceptions from overflow, etc
2534 */
2535#ifndef PERL_FPU_INIT
2536# ifdef HAS_FPSETMASK
2537# if HAS_FLOATINGPOINT_H
2538# include <floatingpoint.h>
2539# endif
ad3a8c67
NC
2540/* Some operating systems have this as a macro, which in turn expands to a comma
2541 expression, and the last sub-expression is something that gets calculated,
2542 and then they have the gall to warn that a value computed is not used. Hence
2543 cast to void. */
2544# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2545# else
2f42fcb0 2546# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2547# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2548# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2549# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2550# else
2551# define PERL_FPU_INIT
2f42fcb0 2552
7014c407 2553# endif
c77b533b
JH
2554# endif
2555#endif
b35112e7
CS
2556#ifndef PERL_FPU_PRE_EXEC
2557# define PERL_FPU_PRE_EXEC {
2558# define PERL_FPU_POST_EXEC }
2559#endif
c77b533b 2560
cbec8ebe
DM
2561#ifndef PERL_SYS_INIT3_BODY
2562# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2563#endif
2564
eb533572 2565/*
4ad9e498 2566=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2567Provides system-specific tune up of the C runtime environment necessary to
2568run Perl interpreters. This should be called only once, before creating
2569any Perl interpreters.
2570
4ad9e498 2571=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2572Provides system-specific tune up of the C runtime environment necessary to
2573run Perl interpreters. This should be called only once, before creating
2574any Perl interpreters.
2575
2576=for apidoc Am|void|PERL_SYS_TERM|
2577Provides system-specific clean up of the C runtime environment after
2578running Perl interpreters. This should be called only once, after
2579freeing any remaining Perl interpreters.
2580
2581=cut
2582 */
2583
cbec8ebe
DM
2584#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2585#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2586#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2587
be708cc0
JH
2588#ifndef PERL_WRITE_MSG_TO_CONSOLE
2589# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2590#endif
2591
0f31cffe
GS
2592#ifndef MAXPATHLEN
2593# ifdef PATH_MAX
b990c8b2
JH
2594# ifdef _POSIX_PATH_MAX
2595# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2596/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2597 * included the null byte or not. Later amendments of POSIX,
2598 * XPG4, the Austin Group, and the Single UNIX Specification
2599 * all explicitly include the null byte in the PATH_MAX.
2600 * Ditto for _POSIX_PATH_MAX. */
2601# define MAXPATHLEN PATH_MAX
b990c8b2 2602# else
09448d78 2603# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2604# endif
2605# else
2606# define MAXPATHLEN (PATH_MAX+1)
2607# endif
0f31cffe 2608# else
d552bce8 2609# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2610# endif
2611#endif
2612
c80263a8
SH
2613/* In case Configure was not used (we are using a "canned config"
2614 * such as Win32, or a cross-compilation setup, for example) try going
2615 * by the gcc major and minor versions. One useful URL is
2616 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2617 * but contrary to this information warn_unused_result seems
2618 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2619 * Also, when building extensions with an installed perl, this allows
2620 * the user to upgrade gcc and get the right attributes, rather than
2621 * relying on the list generated at Configure time. --AD
c80263a8
SH
2622 * Set these up now otherwise we get confused when some of the <*thread.h>
2623 * includes below indirectly pull in <perlio.h> (which needs to know if we
2624 * have HASATTRIBUTE_FORMAT).
2625 */
2626
4d7c7898 2627#ifndef PERL_MICRO
fc2007d4 2628#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2629# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2630# define HASATTRIBUTE_DEPRECATED
2631# endif
c80263a8
SH
2632# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2633# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2634# if defined __MINGW32__
2635# define PRINTF_FORMAT_NULL_OK
2636# endif
c80263a8
SH
2637# endif
2638# if __GNUC__ >= 3 /* 3.0 -> */
2639# define HASATTRIBUTE_MALLOC
2640# endif
2641# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2642# define HASATTRIBUTE_NONNULL
2643# endif
2644# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2645# define HASATTRIBUTE_NORETURN
2646# endif
2647# if __GNUC__ >= 3 /* gcc 3.0 -> */
2648# define HASATTRIBUTE_PURE
2649# endif
42bf5550 2650# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2651# define HASATTRIBUTE_UNUSED
2652# endif
d324fe49
AD
2653# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2654# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2655# endif
c80263a8
SH
2656# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2657# define HASATTRIBUTE_WARN_UNUSED_RESULT
2658# endif
2659#endif
00f254e2 2660#endif /* #ifndef PERL_MICRO */
c80263a8 2661
3db8f154 2662/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2663 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2664 * this results in many functions being undeclared which bothers C++
2665 * May make sense to have threads after "*ish.h" anyway
2666 */
2667
3db8f154 2668#if defined(USE_ITHREADS)
2986a63f
JH
2669# ifdef NETWARE
2670# include <nw5thread.h>
2671# else
32f822de
GS
2672# ifdef WIN32
2673# include <win32thread.h>
2674# else
dd96f567
IZ
2675# ifdef OS2
2676# include "os2thread.h"
2677# else
7f3d1cf1 2678# ifdef I_MACH_CTHREADS
bdd66968 2679# include <mach/cthreads.h>
8f1f23e8 2680# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2681# define MUTEX_INIT_CALLS_MALLOC
2682# endif
7f3d1cf1
BH
2683typedef cthread_t perl_os_thread;
2684typedef mutex_t perl_mutex;
2685typedef condition_t perl_cond;
2686typedef void * perl_key;
2687# else /* Posix threads */
1f5ae88c
JH
2688# ifdef I_PTHREAD
2689# include <pthread.h>
2690# endif
7f3d1cf1
BH
2691typedef pthread_t perl_os_thread;
2692typedef pthread_mutex_t perl_mutex;
2693typedef pthread_cond_t perl_cond;
2694typedef pthread_key_t perl_key;
2695# endif /* I_MACH_CTHREADS */
dd96f567 2696# endif /* OS2 */
32f822de 2697# endif /* WIN32 */
ef4abe76 2698# endif /* NETWARE */
3db8f154 2699#endif /* USE_ITHREADS */
c5be433b 2700
66a93824 2701#if defined(WIN32)
1feb2720 2702# include "win32.h"
c5be433b
GS
2703#endif
2704
2986a63f
JH
2705#ifdef NETWARE
2706# include "netware.h"
2707#endif
2708
e5218da5 2709#define STATUS_UNIX PL_statusvalue
68dc0745 2710#ifdef VMS
6b88bc9c 2711# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2712/*
2713 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2714 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2715 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2716 * be updated also.
2717 */
2718# include <stsdef.h>
2719# include <ssdef.h>
2720/* Presume this because if VMS changes it, it will require a new
2721 * set of APIs for waiting on children for binary compatibility.
2722 */
2723# define child_offset_bits (8)
2724# ifndef C_FAC_POSIX
2725# define C_FAC_POSIX 0x35A000
2726# endif
2727
2728/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2729 * platform from the existing UNIX or Native status values.
2730 */
2731
37038d91 2732# define STATUS_EXIT \
7a7fd8e0
JM
2733 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2734 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2735
7a7fd8e0 2736
fb38d079
JM
2737/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2738 * exit code and shifts the UNIX value over the correct number of bits to
2739 * be a child status. Usually the number of bits is 8, but that could be
2740 * platform dependent. The NATIVE status code is presumed to have either
2741 * from a child process.
7a7fd8e0
JM
2742 */
2743
fb38d079
JM
2744/* This is complicated. The child processes return a true native VMS
2745 status which must be saved. But there is an assumption in Perl that
2746 the UNIX child status has some relationship to errno values, so
00f254e2 2747 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2748 In order to get the string translation correct, for the error, errno
2749 must be EVMSERR, but that generates a different text message
2750 than what the test programs are expecting. So an errno value must
2751 be derived from the native status value when an error occurs.
2752 That will hide the true native status message. With this version of
2753 perl, the true native child status can always be retrieved so that
2754 is not a problem. But in this case, Pl_statusvalue and errno may
2755 have different values in them.
2756 */
7a7fd8e0 2757
fb38d079 2758# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2759 STMT_START { \
2fbb330f
JM
2760 I32 evalue = (I32)n; \
2761 if (evalue == EVMSERR) { \
2762 PL_statusvalue_vms = vaxc$errno; \
2763 PL_statusvalue = evalue; \
7a7fd8e0 2764 } else { \
2fbb330f 2765 PL_statusvalue_vms = evalue; \
fb38d079 2766 if (evalue == -1) { \
3280af22 2767 PL_statusvalue = -1; \
7a7fd8e0
JM
2768 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2769 } else \
fb38d079 2770 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2771 set_vaxc_errno(evalue); \
fb38d079
JM
2772 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2773 set_errno(EVMSERR); \
2774 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2775 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2776 } \
68dc0745 2777 } STMT_END
7a7fd8e0 2778
68dc0745 2779# ifdef VMSISH_STATUS
e5218da5 2780# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2781# else
e5218da5 2782# define STATUS_CURRENT STATUS_UNIX
68dc0745 2783# endif
7a7fd8e0
JM
2784
2785 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2786 * the NATIVE status to an equivalent value. Can not be used to translate
2787 * exit code values as exit code values are not guaranteed to have any
2788 * relationship at all to errno values.
2789 * This is used when Perl is forcing errno to have a specific value.
2790 */
e5218da5 2791# define STATUS_UNIX_SET(n) \
68dc0745 2792 STMT_START { \
7a7fd8e0 2793 I32 evalue = (I32)n; \
0968cdad 2794 PL_statusvalue = evalue; \
3280af22 2795 if (PL_statusvalue != -1) { \
0968cdad
JM
2796 if (PL_statusvalue != EVMSERR) { \
2797 PL_statusvalue &= 0xFFFF; \
2798 if (MY_POSIX_EXIT) \
2799 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2800 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2801 } \
2802 else { \
2803 PL_statusvalue_vms = vaxc$errno; \
2804 } \
68dc0745 2805 } \
0968cdad
JM
2806 else PL_statusvalue_vms = SS$_ABORT; \
2807 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2808 } STMT_END
2809
2810 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2811 * the NATIVE error status based on it.
2812 *
2813 * When in the default mode to comply with the Perl VMS documentation,
2814 * 0 is a success and any other code sets the NATIVE status to a failure
2815 * code of SS$_ABORT.
fb38d079
JM
2816 *
2817 * In the new POSIX EXIT mode, native status will be set so that the
2818 * actual exit code will can be retrieved by the calling program or
2819 * shell.
2820 *
2821 * If the exit code is not clearly a UNIX parent or child exit status,
2822 * it will be passed through as a VMS status.
7a7fd8e0
JM
2823 */
2824
fb38d079 2825# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2826 STMT_START { \
2827 I32 evalue = (I32)n; \
2828 PL_statusvalue = evalue; \
e08e1e1d
JM
2829 if (MY_POSIX_EXIT) { \
2830 if (evalue <= 0xFF00) { \
2831 if (evalue > 0xFF) \
2832 evalue = (evalue >> child_offset_bits) & 0xFF; \
2833 PL_statusvalue_vms = \
2834 (C_FAC_POSIX | (evalue << 3 ) | \
2835 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2836 } else /* forgive them Perl, for they have sinned */ \
2837 PL_statusvalue_vms = evalue; \
2838 } else { \
2839 if (evalue == 0) \
2840 PL_statusvalue_vms = SS$_NORMAL; \
2841 else if (evalue <= 0xFF00) \
2842 PL_statusvalue_vms = SS$_ABORT; \
2843 else { /* forgive them Perl, for they have sinned */ \
2844 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2845 else PL_statusvalue_vms = vaxc$errno; \
2846 /* And obviously used a VMS status value instead of UNIX */ \
2847 PL_statusvalue = EVMSERR; \
2848 } \
2849 set_vaxc_errno(PL_statusvalue_vms); \
2850 } \
68dc0745 2851 } STMT_END
fb38d079 2852
e08e1e1d 2853
6ac6a52b
JM
2854 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2855 * and sets the NATIVE error status based on it. This special case
2856 * is needed to maintain compatibility with past VMS behavior.
2857 *
2858 * In the default mode on VMS, this number is passed through as
2859 * both the NATIVE and UNIX status. Which makes it different
2860 * that the STATUS_UNIX_EXIT_SET.
2861 *
2862 * In the new POSIX EXIT mode, native status will be set so that the
2863 * actual exit code will can be retrieved by the calling program or
2864 * shell.
2865 *
1a3aec58
JM
2866 * A POSIX exit code is from 0 to 255. If the exit code is higher
2867 * than this, it needs to be assumed that it is a VMS exit code and
2868 * passed through.
6ac6a52b
JM
2869 */
2870
2871# define STATUS_EXIT_SET(n) \
2872 STMT_START { \
2873 I32 evalue = (I32)n; \
2874 PL_statusvalue = evalue; \
2875 if (MY_POSIX_EXIT) \
1a3aec58
JM
2876 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2877 PL_statusvalue_vms = \
2878 (C_FAC_POSIX | (evalue << 3 ) | \
2879 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2880 else \
2881 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2882 set_vaxc_errno(PL_statusvalue_vms); \
2883 } STMT_END
2884
fb38d079
JM
2885
2886 /* This macro forces a success status */
7a7fd8e0
JM
2887# define STATUS_ALL_SUCCESS \
2888 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2889
2890 /* This macro forces a failure status */
7a7fd8e0
JM
2891# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2892 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2893 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2894
68dc0745 2895#else
e5218da5 2896# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2897# if defined(WCOREDUMP)
37038d91 2898# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2899 STMT_START { \
2900 PL_statusvalue_posix = (n); \
2901 if (PL_statusvalue_posix == -1) \
2902 PL_statusvalue = -1; \
2903 else { \
2904 PL_statusvalue = \
2905 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2906 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2907 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2908 } \
2909 } STMT_END
2910# elif defined(WIFEXITED)
37038d91 2911# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2912 STMT_START { \
2913 PL_statusvalue_posix = (n); \
2914 if (PL_statusvalue_posix == -1) \
2915 PL_statusvalue = -1; \
2916 else { \
2917 PL_statusvalue = \
2918 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2919 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2920 } \
2921 } STMT_END
2922# else
37038d91 2923# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2924 STMT_START { \
2925 PL_statusvalue_posix = (n); \
2926 if (PL_statusvalue_posix == -1) \
2927 PL_statusvalue = -1; \
2928 else { \
2929 PL_statusvalue = \
2930 PL_statusvalue_posix & 0xFFFF; \
2931 } \
2932 } STMT_END
2933# endif
2934# define STATUS_UNIX_SET(n) \
68dc0745 2935 STMT_START { \
3280af22
NIS
2936 PL_statusvalue = (n); \
2937 if (PL_statusvalue != -1) \
2938 PL_statusvalue &= 0xFFFF; \
68dc0745 2939 } STMT_END
7a7fd8e0 2940# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2941# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2942# define STATUS_CURRENT STATUS_UNIX
37038d91 2943# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2944# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2945# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2946#endif
2947
cc3604b1
GS
2948/* flags in PL_exit_flags for nature of exit() */
2949#define PERL_EXIT_EXPECTED 0x01
31d77e54 2950#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2951#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2952#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2953
b79b76e0 2954#ifndef PERL_CORE
a7cb1f99 2955/* format to use for version numbers in file/directory names */
273cf8d1 2956/* XXX move to Configure? */
b79b76e0
NC
2957/* This was only ever used for the current version, and that can be done at
2958 compile time, as PERL_FS_VERSION, so should we just delete it? */
2959# ifndef PERL_FS_VER_FMT
2960# define PERL_FS_VER_FMT "%d.%d.%d"
2961# endif
2962#endif
2963
2964#ifndef PERL_FS_VERSION
2965# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2966#endif
2967
45bc9206 2968/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2969 * performance issue, so we allow people to disable it. Also, if
2970 * we are using stdio, there are broken implementations of fflush(NULL)
2971 * out there, Solaris being the most prominent.
45bc9206
GS
2972 */
2973#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2974# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2975# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2976# else
2977# ifdef FFLUSH_ALL
2978# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2979# else
c5be433b 2980# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2981# endif
66fe083f 2982# endif
45bc9206
GS
2983#endif
2984
7766f137
GS
2985#ifndef PERL_WAIT_FOR_CHILDREN
2986# define PERL_WAIT_FOR_CHILDREN NOOP
2987#endif
2988
ba869deb 2989/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2990#ifndef PERL_SET_INTERP
2991# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2992#endif
2993
2994#ifndef PERL_GET_INTERP
2995# define PERL_GET_INTERP (PL_curinterp)
2996#endif
2997
54aff467 2998#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2999# ifdef MULTIPLICITY
ba869deb 3000# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3001# endif
ba869deb
GS
3002# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3003#endif
3004
00f254e2 3005/*
8896765a 3006 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3007 All that is required is that the perl source does not
00f254e2
KW
3008 use "%-p" or "%-<number>p" or "%<number>p" formats.
3009 These formats will still work in perl code.
486ec47a 3010 See comments in sv.c for further details.
8896765a 3011
8896765a 3012 Robin Barker 2005-07-14
f46d31f2 3013
00f254e2 3014 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3015*/
8896765a
RB
3016
3017#ifndef SVf_
63ce7bf0 3018# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3019#endif
3020
8896765a 3021#ifndef SVf
104abab4 3022# define SVf "-p"
d2560b70
RB
3023#endif
3024
014ead4b 3025#ifndef SVf32
8896765a 3026# define SVf32 SVf_(32)
014ead4b
RB
3027#endif
3028
3029#ifndef SVf256
8896765a
RB
3030# define SVf256 SVf_(256)
3031#endif
3032
be2597df
MHM
3033#define SVfARG(p) ((void*)(p))
3034
20023040
FC
3035#ifndef HEKf
3036# define HEKf "2p"
3037#endif
3038
b8fa5213
FC
3039/* Not ideal, but we cannot easily include a number in an already-numeric
3040 * format sequence. */
3041#ifndef HEKf256
3042# define HEKf256 "3p"
3043#endif
3044
20023040
FC
3045#define HEKfARG(p) ((void*)(p))
3046
b17a0679
FC
3047/* Takes three arguments: is_utf8, length, str */
3048#ifndef UTF8f
3049# define UTF8f "d%"UVuf"%4p"
3050#endif
3051#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3052
f46d31f2 3053#ifdef PERL_CORE
486ec47a 3054/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3055# undef UVf
3056#else
170cd9e9
NC
3057# ifndef UVf
3058# define UVf UVuf
3059# endif
d2560b70
RB
3060#endif
3061
fcdf39cf
RGS
3062#ifdef HASATTRIBUTE_DEPRECATED
3063# define __attribute__deprecated__ __attribute__((deprecated))
3064#endif
0dbb1585
AL
3065#ifdef HASATTRIBUTE_FORMAT
3066# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3067#endif
3068#ifdef HASATTRIBUTE_MALLOC
77785eea 3069# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3070#endif
0dbb1585 3071#ifdef HASATTRIBUTE_NONNULL
abb2c242 3072# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3073#endif
0dbb1585 3074#ifdef HASATTRIBUTE_NORETURN
abb2c242 3075# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3076#endif
0dbb1585 3077#ifdef HASATTRIBUTE_PURE
abb2c242 3078# define __attribute__pure__ __attribute__((pure))
f22be1b8 3079#endif
0dbb1585
AL
3080#ifdef HASATTRIBUTE_UNUSED
3081# define __attribute__unused__ __attribute__((unused))
3082#endif
3083#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3084# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3085#endif
3086
0dbb1585 3087/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3088#ifndef __attribute__deprecated__
3089# define __attribute__deprecated__
3090#endif
0dbb1585
AL
3091#ifndef __attribute__format__
3092# define __attribute__format__(x,y,z)
3093#endif
f22be1b8 3094#ifndef __attribute__malloc__
abb2c242 3095# define __attribute__malloc__
f22be1b8
JH
3096#endif
3097#ifndef __attribute__nonnull__
abb2c242 3098# define __attribute__nonnull__(a)
f22be1b8
JH
3099#endif
3100#ifndef __attribute__noreturn__
abb2c242 3101# define __attribute__noreturn__
f22be1b8
JH
3102#endif
3103#ifndef __attribute__pure__
abb2c242 3104# define __attribute__pure__
f22be1b8 3105#endif
0dbb1585
AL
3106#ifndef __attribute__unused__
3107# define __attribute__unused__
3108#endif
f22be1b8 3109#ifndef __attribute__warn_unused_result__
abb2c242
JH
3110# define __attribute__warn_unused_result__
3111#endif
3112
0dbb1585
AL
3113/* For functions that are marked as __attribute__noreturn__, it's not
3114 appropriate to call return. In either case, include the lint directive.
3115 */
3116#ifdef HASATTRIBUTE_NORETURN
118e2215 3117# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */
0dbb1585 3118#else
118e2215 3119# define NORETURN_FUNCTION_END assert(0); /* NOTREACHED */ return 0
abb2c242
JH
3120#endif
3121
cdfeb707
RB
3122/* Some OS warn on NULL format to printf */
3123#ifdef PRINTF_FORMAT_NULL_OK
3124# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3125#else
00f254e2 3126# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3127#endif
3128
635aebb7 3129#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3130# define EXPECT(expr,val) __builtin_expect(expr,val)
3131#else
3132# define EXPECT(expr,val) (expr)
3133#endif
6d5abc62
NC
3134#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3135#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3136#ifdef HAS_BUILTIN_CHOOSE_EXPR
3137/* placeholder */
3138#endif
b37c2d43 3139
3fc1aec6
PP
3140/* Some unistd.h's give a prototype for pause() even though
3141 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3142 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3143*/
3144#ifdef HAS_PAUSE
3145#define Pause pause
3146#else
3147#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3148#endif
3149
3150#ifndef IOCPARM_LEN
3151# ifdef IOCPARM_MASK
61f1c44b 3152 /* on BSDish systems we're safe */
748a9306
LW
3153# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3154# else
61f1c44b 3155# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3156 /* on Linux systems we're safe; except when we're not [perl #38223] */
3157# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3158# else
748a9306 3159 /* otherwise guess at what's safe */
61f1c44b
JVD
3160# define IOCPARM_LEN(x) 256
3161# endif
748a9306 3162# endif
a0d0e21e
LW
3163#endif
3164
1761cee5 3165#if defined(__CYGWIN__)
521e0776
GS
3166/* USEMYBINMODE
3167 * This symbol, if defined, indicates that the program should
16fe6d59 3168 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3169 * that a file is in "binary" mode -- that is, that no translation
3170 * of bytes occurs on read or write operations.
3171 */
36894f0b 3172# define USEMYBINMODE /**/
77a40698 3173# include <io.h> /* for setmode() prototype */
16fe6d59 3174# define my_binmode(fp, iotype, mode) \
77a40698 3175 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3176#endif
3177
88d10794
JH
3178#ifdef __CYGWIN__
3179void init_os_extras(void);
3180#endif
3181
cea2e8a9
GS
3182#ifdef UNION_ANY_DEFINITION
3183UNION_ANY_DEFINITION;
3184#else
3185union any {
3186 void* any_ptr;
3187 I32 any_i32;
3188 IV any_iv;
c6bf6a65 3189 UV any_uv;
cea2e8a9 3190 long any_long;
9febdf04 3191 bool any_bool;
c76ac1ee 3192 void (*any_dptr) (void*);
acfe0abc 3193 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3194};
3195#endif
3196
acfe0abc 3197typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3198
3199#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3200#define FILTER_DATA(idx) \
3201 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3202#define FILTER_ISREADER(idx) \
3203 (PL_parser && PL_parser->rsfp_filters \
3204 && idx >= AvFILLp(PL_parser->rsfp_filters))
3205#define PERL_FILTER_EXISTS(i) \
3206 (PL_parser && PL_parser->rsfp_filters \
3207 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3208
c5078cac
JH
3209#if defined(_AIX) && !defined(_AIX43)
3210#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3211/* We cannot include <crypt.h> to get the struct crypt_data
3212 * because of setkey prototype problems when threading */
3213typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3214 /* From OSF, Not needed in AIX
3215 char C[28], D[28];
3216 */
3217 char E[48];
3218 char KS[16][48];
3219 char block[66];
3220 char iobuf[16];
3221} CRYPTD;
3222#endif /* threading */
3223#endif /* AIX */
3224
e37778c2 3225#if !defined(OS2)
2c2d71f5
JH
3226# include "iperlsys.h"
3227#endif
504f80c1 3228
9c12f1e5 3229#ifdef __LIBCATAMOUNT__
00f254e2 3230#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3231#undef HAS_GROUP
3232#define FAKE_BIT_BUCKET
3233#endif
3234
d10dc2ae
JH
3235/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3236 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3237 * defined by Configure, despite their names being similar to the
3238 * other defines like USE_ITHREADS. Configure in fact knows nothing
3239 * about the randomised hashes. Therefore to enable/disable the hash
3240 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3241#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3242# define USE_HASH_SEED
504f80c1
JH
3243#endif
3244
598921a7
NC
3245/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3246 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3247 * it's not really needed.
3248 */
3249#if defined(WIN32)
3250# define YYTOKENTYPE
3251#endif
3252#include "perly.h"
3253
3254#ifdef PERL_MAD
3255struct nexttoken {
3256 YYSTYPE next_val; /* value of next token, if any */
3257 I32 next_type; /* type of next token */
3258 MADPROP *next_mad; /* everything else about that token */
3259};
3260#endif
3261
654eccd5
JD
3262/* macros to define bit-fields in structs. */
3263#ifndef PERL_BITFIELD8
3264# define PERL_BITFIELD8 unsigned
3265#endif
3266#ifndef PERL_BITFIELD16
3267# define PERL_BITFIELD16 unsigned
3268#endif
3269#ifndef PERL_BITFIELD32
3270# define PERL_BITFIELD32 unsigned
3271#endif
3272
79072805 3273#include "sv.h"
288b8c02 3274#include "regexp.h"
378cc40b 3275#include "util.h"
8d063cd8 3276#include "form.h"
79072805 3277#include "gv.h"
dd2155a4 3278#include "pad.h"
79072805 3279#include "cv.h"
abdd5c84 3280#include "opnames.h"
79072805 3281#include "op.h"
b3ca2e83 3282#include "hv.h"
79072805
LW
3283#include "cop.h"
3284#include "av.h"
79072805
LW
3285#include "mg.h"
3286#include "scope.h"
4438c4b7 3287#include "warnings.h"
a0ed51b3 3288#include "utf8.h"
8d063cd8 3289
0d7d409d
DM
3290/* these would be in doio.h if there was such a file */
3291#define my_stat() my_stat_flags(SV_GMAGIC)
3292#define my_lstat() my_lstat_flags(SV_GMAGIC)
3293
20f4945e 3294/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3295#undef _XPV_HEAD
3296#undef _XPVMG_HEAD
3297#undef _XPVCV_COMMON
7fae4e64
GS
3298
3299typedef struct _sublex_info SUBLEXINFO;
3300struct _sublex_info {
651b5b28
NC
3301 U8 super_state; /* lexer state to save */
3302 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3303 OP *sub_op; /* "lex_op" to use */
7cc34111 3304 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3305};
3306
199e78b7
DM
3307#include "parser.h"
3308
455ece5e 3309typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3310
2c2d71f5 3311struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3312struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e 3313
5f7fde29
GS
3314struct ptr_tbl_ent {
3315 struct ptr_tbl_ent* next;
53c1dcc0 3316 const void* oldval;
5f7fde29 3317 void* newval;
d18c6117
GS
3318};
3319
5f7fde29
GS
3320struct ptr_tbl {
3321 struct ptr_tbl_ent** tbl_ary;
3322 UV tbl_max;
3323 UV tbl_items;
db93c0c4
NC
3324 struct ptr_tbl_arena *tbl_arena;
3325 struct ptr_tbl_ent *tbl_arena_next;
3326 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3327};
3328
fe14fcc3
LW
3329#if defined(htonl) && !defined(HAS_HTONL)
3330#define HAS_HTONL
ae986130 3331#endif
fe14fcc3
LW
3332#if defined(htons) && !defined(HAS_HTONS)
3333#define HAS_HTONS
ae986130 3334#endif
fe14fcc3
LW
3335#if defined(ntohl) && !defined(HAS_NTOHL)
3336#define HAS_NTOHL
ae986130 3337#endif
fe14fcc3
LW
3338#if defined(ntohs) && !defined(HAS_NTOHS)
3339#define HAS_NTOHS
ae986130 3340#endif
fe14fcc3 3341#ifndef HAS_HTONL
fe14fcc3
LW
3342#define HAS_HTONS
3343#define HAS_HTONL
3344#define HAS_NTOHS
3345#define HAS_NTOHL
8e2d7c44
NC
3346# if (BYTEORDER & 0xffff) == 0x4321
3347/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3348 re-order their values. However, to behave identically to the alternative
3349 implementations, they should truncate to the correct size. */
3350# define ntohl(x) ((x)&0xFFFFFFFF)
3351# define htonl(x) ntohl(x)
3352# define ntohs(x) ((x)&0xFFFF)
3353# define htons(x) ntohs(x)
e4b03fed
NC
3354# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3355
3356/* Note that we can't straight out declare our own htonl and htons because
3357 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3358 to avoid the overhead of initialising the socket subsystem, but the headers
3359 that *declare* the various functions are still seen. If we declare our own
3360 htonl etc they will clash with the declarations in the Win32 headers. */
3361
3362PERL_STATIC_INLINE U32
3363my_swap32(const U32 x) {
3364 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3365 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3366}
3367
3368PERL_STATIC_INLINE U16
3369my_swap16(const U16 x) {
3370 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3371}
3372
3373# define htonl(x) my_swap32(x)
3374# define ntohl(x) my_swap32(x)
3375# define ntohs(x) my_swap16(x)
3376# define htons(x) my_swap16(x)
8e2d7c44 3377# else
691a44df
NC
3378# error "Unsupported byteorder"
3379/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3380 the error message. Please check the value of the macro BYTEORDER, as defined
3381 in config.h. The values of BYTEORDER we expect are
3382
3383 big endian little endian
3384 32 bit 0x4321 0x1234
3385 64 bit 0x87654321 0x12345678
3386
3387 If you have a system with a different byte order, please see
3388 pod/perlhack.pod for how to submit a patch to add supporting code.
3389*/
3390# endif
a687059c
LW
3391#endif
3392
988174c1
LW
3393/*
3394 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3395 * -DWS
3396 */
5ae72479 3397#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3398/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3399 re-order their values. However, to behave identically to the alternative
3400 implementations, they should truncate to the correct size. */
3401# define vtohl(x) ((x)&0xFFFFFFFF)
3402# define vtohs(x) ((x)&0xFFFF)
3403# define htovl(x) vtohl(x)
3404# define htovs(x) vtohs(x)
545872c5 3405#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3406# define vtohl(x) ((((x)&0xFF)<<24) \
3407 +(((x)>>24)&0xFF) \
3408 +(((x)&0x0000FF00)<<8) \
3409 +(((x)&0x00FF0000)>>8) )
3410# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3411# define htovl(x) vtohl(x)
3412# define htovs(x) vtohs(x)
545872c5
NC
3413#else
3414# error "Unsupported byteorder"
3415/* If you have need for current perl on PDP-11 or similar, and can help test
3416 that blead keeps working on a mixed-endian system, then see
3417 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3418#endif
988174c1 3419
3bb7c1b4
JH
3420/* *MAX Plus 1. A floating point value.
3421 Hopefully expressed in a way that dodgy floating point can't mess up.
3422 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3423 is added to it
3424 May find that some broken compiler will want the value cast to I32.
3425 [after the shift, as signed >> may not be as secure as unsigned >>]
3426*/
3427#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3428#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3429/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3430 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3431 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3432*/
3433#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3434
3bb7c1b4
JH
3435#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3436#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3437#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3438
3439/* This may look like unnecessary jumping through hoops, but converting
3440 out of range floating point values to integers *is* undefined behaviour,
3441 and it is starting to bite.
3442*/
3443#ifndef CAST_INLINE
65202027 3444#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3445#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3446#define I_V(what) (cast_iv((NV)(what)))
3447#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3448#else
3449#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3450 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3451 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3452#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3453 : ((n) < U32_MAX_P1 ? (U32) (n) \
3454 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3455#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3456 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3457 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3458#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3459 : ((n) < UV_MAX_P1 ? (UV) (n) \
3460 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3461#endif
3462
3463#define U_S(what) ((U16)U_32(what))
3464#define U_I(what) ((unsigned int)U_32(what))
3465#define U_L(what) U_32(what)
ed6116ce 3466
ed140128
AD
3467#ifdef HAS_SIGNBIT
3468# define Perl_signbit signbit
3469#endif
3470
2d4389e4
JH
3471/* These do not care about the fractional part, only about the range. */
3472#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3473#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3474
25da4f38
IZ
3475/* Used with UV/IV arguments: */
3476 /* XXXX: need to speed it up */
3477#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3478#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3479
352d5a3a
LW
3480#ifndef MAXSYSFD
3481# define MAXSYSFD 2
3482#endif
ee0007ab 3483
79072805 3484#ifndef __cplusplus
e37d7e38 3485#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3486Uid_t getuid (void);
3487Uid_t geteuid (void);
3488Gid_t getgid (void);
3489Gid_t getegid (void);
79072805 3490#endif
e1caacb4 3491#endif
8d063cd8 3492
0c30d9ec 3493#ifndef Perl_debug_log
bf49b057
GS
3494# define Perl_debug_log PerlIO_stderr()
3495#endif
3496
3497#ifndef Perl_error_log
3498# define Perl_error_log (PL_stderrgv \
6b78add2 3499 && isGV(PL_stderrgv) \
01bb7c6d 3500 && GvIOp(PL_stderrgv) \
42de951c 3501 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3502 ? IoOFP(GvIOp(PL_stderrgv)) \
3503 : PerlIO_stderr())
0c30d9ec 3504#endif
3967c732 3505
aea4f609
DM
3506
3507#define DEBUG_p_FLAG 0x00000001 /* 1 */
3508#define DEBUG_s_FLAG 0x00000002 /* 2 */
3509#define DEBUG_l_FLAG 0x00000004 /* 4 */
3510#define DEBUG_t_FLAG 0x00000008 /* 8 */
3511#define DEBUG_o_FLAG 0x00000010 /* 16 */
3512#define DEBUG_c_FLAG 0x00000020 /* 32 */
3513#define DEBUG_P_FLAG 0x00000040 /* 64 */
3514#define DEBUG_m_FLAG 0x00000080 /* 128 */
3515#define DEBUG_f_FLAG 0x00000100 /* 256 */
3516#define DEBUG_r_FLAG 0x00000200 /* 512 */
3517#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3518#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3519/* U is reserved for Unofficial, exploratory hacking */
3520#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3521#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3522#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3523#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3524#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3525#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3526#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3527#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3528#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3529#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3530#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3531#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3532#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3533#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3534#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3535
3536#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3537#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3538 that something was done? */
aea4f609 3539
bd16a5f0
IZ
3540# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3541# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3542# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3543# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3544# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3545# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3546# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3547# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3548# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3549# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3550# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3551# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3552# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3553# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3554# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3555# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3556# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3557# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3558# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3559# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3560# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3561# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3562# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3563# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3564# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3565# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3566# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3567# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3568# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3569
3967c732 3570#ifdef DEBUGGING
aea4f609 3571
bd16a5f0
IZ
3572# define DEBUG_p_TEST DEBUG_p_TEST_
3573# define DEBUG_s_TEST DEBUG_s_TEST_
3574# define DEBUG_l_TEST DEBUG_l_TEST_
3575# define DEBUG_t_TEST DEBUG_t_TEST_
3576# define DEBUG_o_TEST DEBUG_o_TEST_
3577# define DEBUG_c_TEST DEBUG_c_TEST_
3578# define DEBUG_P_TEST DEBUG_P_TEST_
3579# define DEBUG_m_TEST DEBUG_m_TEST_
3580# define DEBUG_f_TEST DEBUG_f_TEST_
3581# define DEBUG_r_TEST DEBUG_r_TEST_
3582# define DEBUG_x_TEST DEBUG_x_TEST_
3583# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3584# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3585# define DEBUG_H_TEST DEBUG_H_TEST_
3586# define DEBUG_X_TEST DEBUG_X_TEST_
3587# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3588# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3589# define DEBUG_T_TEST DEBUG_T_TEST_
3590# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3591# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3592# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3593# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3594# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3595# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3596# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3597# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3598# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3599# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3600# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3601
488b0c7a
JH
3602# define PERL_DEB(a) a
3603# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3604# define DEBUG_p(a) if (DEBUG_p_TEST) a
3605# define DEBUG_s(a) if (DEBUG_s_TEST) a
3606# define DEBUG_l(a) if (DEBUG_l_TEST) a
3607# define DEBUG_t(a) if (DEBUG_t_TEST) a
3608# define DEBUG_o(a) if (DEBUG_o_TEST) a
3609# define DEBUG_c(a) if (DEBUG_c_TEST) a
3610# define DEBUG_P(a) if (DEBUG_P_TEST) a
3611
969058bb
VK
3612 /* Temporarily turn off memory debugging in case the a
3613 * does memory allocation, either directly or indirectly. */
acfe0abc 3614# define DEBUG_m(a) \
0b250b9e 3615 STMT_START { \
aea4f609 3616 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3617 } STMT_END
aea4f609 3618
5f80b19c
AMS
3619# define DEBUG__(t, a) \
3620 STMT_START { \
3621 if (t) STMT_START {a;} STMT_END; \
3622 } STMT_END
3623
3624# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3625#ifndef PERL_EXT_RE_BUILD
5f80b19c 3626# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3627#else
3628# define DEBUG_r(a) STMT_START {a;} STMT_END
3629#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3630# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3631# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3632# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3633# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3634# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3635# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3636# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3637# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3638# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3639
56967202 3640# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3641# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3642# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3643# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3644# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3645# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3646# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3647# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3648# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3649
3650#else /* DEBUGGING */
3651
3652# define DEBUG_p_TEST (0)
3653# define DEBUG_s_TEST (0)
3654# define DEBUG_l_TEST (0)
3655# define DEBUG_t_TEST (0)
3656# define DEBUG_o_TEST (0)
3657# define DEBUG_c_TEST (0)
3658# define DEBUG_P_TEST (0)
3659# define DEBUG_m_TEST (0)
3660# define DEBUG_f_TEST (0)
3661# define DEBUG_r_TEST (0)
3662# define DEBUG_x_TEST (0)
3663# define DEBUG_u_TEST (0)
88d2d28a 3664# define DEBUG_U_TEST (0)
aea4f609
DM
3665# define DEBUG_H_TEST (0)
3666# define DEBUG_X_TEST (0)
3667# define DEBUG_D_TEST (0)
56967202 3668# define DEBUG_S_TEST (0)
aea4f609 3669# define DEBUG_T_TEST (0)
04932ac8 3670# define DEBUG_R_TEST (0)
1045810a 3671# define DEBUG_J_TEST (0)
d6721266 3672# define DEBUG_v_TEST (0)
46187eeb 3673# define DEBUG_C_TEST (0)
ecae49c0
NC
3674# define DEBUG_A_TEST (0)
3675# define DEBUG_q_TEST (0)
d7c0d282 3676# define DEBUG_M_TEST (0)
cc8773c0 3677# define DEBUG_B_TEST (0)
7949c6f5
JC
3678# define DEBUG_Xv_TEST (0)
3679# define DEBUG_Uv_TEST (0)
ad9e76a8 3680# define DEBUG_Pv_TEST (0)
aea4f609 3681
488b0c7a
JH
3682# define PERL_DEB(a)
3683# define PERL_DEBUG(a)
aea4f609
DM
3684# define DEBUG_p(a)
3685# define DEBUG_s(a)
3686# define DEBUG_l(a)
3687# define DEBUG_t(a)
3688# define DEBUG_o(a)
3689# define DEBUG_c(a)
3690# define DEBUG_P(a)
3691# define DEBUG_m(a)
3692# define DEBUG_f(a)
3693# define DEBUG_r(a)
3694# define DEBUG_x(a)
3695# define DEBUG_u(a)
88d2d28a 3696# define DEBUG_U(a)
aea4f609
DM
3697# define DEBUG_H(a)
3698# define DEBUG_X(a)
3699# define DEBUG_D(a)
56967202 3700# define DEBUG_S(a)
aea4f609 3701# define DEBUG_T(a)
04932ac8 3702# define DEBUG_R(a)
d6721266 3703# define DEBUG_v(a)
46187eeb 3704# define DEBUG_C(a)
ecae49c0
NC
3705# define DEBUG_A(a)
3706# define DEBUG_q(a)
d7c0d282 3707# define DEBUG_M(a)
cc8773c0 3708# define DEBUG_B(a)
7949c6f5
JC
3709# define DEBUG_Xv(a)
3710# define DEBUG_Uv(a)
ad9e76a8 3711# define DEBUG_Pv(a)
aea4f609
DM
3712#endif /* DEBUGGING */
3713
3714
b4ab917c 3715#define DEBUG_SCOPE(where) \
d9f81b50 3716 DEBUG_l( \
1c98cc53
DM
3717 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
3718 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 3719 __FILE__, __LINE__));
b4ab917c 3720
de84dc04
NC
3721#if defined(DEBUGGING) && defined(I_ASSERT)
3722# include <assert.h>
3723#endif
3724
3725/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 3726 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 3727
de84dc04 3728#define Perl_assert(what) PERL_DEB( \
2b057284 3729 ((what) ? ((void) 0) : \
67eb4d30 3730 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3731 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3732 (void) 0)))
de84dc04
NC
3733
3734#ifndef assert
3735# define assert(what) Perl_assert(what)