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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
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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
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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
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
7dc3eb73 31/* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
9267464d 32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
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33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
34
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
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37#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
38 defined(_STDC_C99)
86a3cabf 39# define HAS_C99 1
86a3cabf
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40#endif
41
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42/* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
44
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45/* Note that from here --> to <-- the same logic is
46 * repeated in makedef.pl, so be certain to update
47 * both places when editing. */
48
6f4183fe 49#ifdef USE_ITHREADS
acfe0abc 50# if !defined(MULTIPLICITY)
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51# define MULTIPLICITY
52# endif
53#endif
54
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55#ifdef PERL_GLOBAL_STRUCT_PRIVATE
56# ifndef PERL_GLOBAL_STRUCT
57# define PERL_GLOBAL_STRUCT
58# endif
59#endif
97aff369 60
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61#ifdef PERL_GLOBAL_STRUCT
62# ifndef MULTIPLICITY
63# define MULTIPLICITY
64# endif
65#endif
66
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67#ifdef MULTIPLICITY
68# ifndef PERL_IMPLICIT_CONTEXT
69# define PERL_IMPLICIT_CONTEXT
70# endif
71#endif
72
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73/* undef WIN32 when building on Cygwin (for libwin32) - gph */
74#ifdef __CYGWIN__
75# undef WIN32
76# undef _WIN32
77#endif
78
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79#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
80# ifndef SYMBIAN
81# define SYMBIAN
82# endif
83#endif
84
a0fd4948 85#ifdef __SYMBIAN32__
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86# include "symbian/symbian_proto.h"
87#endif
88
89/* Any stack-challenged places. The limit varies (and often
90 * is configurable), but using more than a kilobyte of stack
91 * is usually dubious in these systems. */
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92#if defined(__SYMBIAN32__)
93/* Symbian: need to work around the SDK features. *
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94 * On WINS: MS VC5 generates calls to _chkstk, *
95 * if a "large" stack frame is allocated. *
96 * gcc on MARM does not generate calls like these. */
97# define USE_HEAP_INSTEAD_OF_STACK
98#endif
99
dd134d2c 100/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 101/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 102#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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103# define USE_REENTRANT_API
104#endif
105
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106/* <--- here ends the logic shared by perl.h and makedef.pl */
107
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108/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
109#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
110# define USING_MSVC6
111#endif
112
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113#undef START_EXTERN_C
114#undef END_EXTERN_C
115#undef EXTERN_C
116#ifdef __cplusplus
117# define START_EXTERN_C extern "C" {
118# define END_EXTERN_C }
119# define EXTERN_C extern "C"
120#else
121# define START_EXTERN_C
122# define END_EXTERN_C
123# define EXTERN_C extern
124#endif
125
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126/* Fallback definitions in case we don't have definitions from config.h.
127 This should only matter for systems that don't use Configure and
128 haven't been modified to define PERL_STATIC_INLINE yet.
129*/
130#if !defined(PERL_STATIC_INLINE)
131# ifdef HAS_STATIC_INLINE
132# define PERL_STATIC_INLINE static inline
133# else
134# define PERL_STATIC_INLINE static
135# endif
136#endif
137
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138#ifdef PERL_GLOBAL_STRUCT
139# ifndef PERL_GET_VARS
140# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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142# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
143# ifndef PERLIO_FUNCS_CONST
144# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
145# endif
146# else
147# define PERL_GET_VARS() PL_VarsPtr
148# endif
149# endif
150#endif
151
5aaab254 152#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
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153
154#ifdef PERL_GLOBAL_STRUCT
155# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
156#else
157# define dVAR dNOOP
158#endif
159
c5be433b 160#ifdef PERL_IMPLICIT_CONTEXT
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161# ifndef MULTIPLICITY
162# define MULTIPLICITY
c5be433b 163# endif
e8dda941 164# define tTHX PerlInterpreter*
5aaab254 165# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 166# define aTHX my_perl
9399a70c 167# define aTHXa(a) aTHX = (tTHX)a
27da23d5 168# ifdef PERL_GLOBAL_STRUCT
e8dda941 169# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 170# else
e8dda941 171# define dTHXa(a) pTHX = (tTHX)a
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172# endif
173# ifdef PERL_GLOBAL_STRUCT
174# define dTHX dVAR; pTHX = PERL_GET_THX
175# else
176# define dTHX pTHX = PERL_GET_THX
177# endif
c5be433b 178# define pTHX_ pTHX,
c5be433b 179# define aTHX_ aTHX,
4373e329 180# define pTHX_1 2
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181# define pTHX_2 3
182# define pTHX_3 4
183# define pTHX_4 5
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184# define pTHX_5 6
185# define pTHX_6 7
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186# define pTHX_7 8
187# define pTHX_8 9
188# define pTHX_9 10
a6fc70e5 189# define pTHX_12 13
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190# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191# define PERL_TRACK_MEMPOOL
192# endif
193#else
194# undef PERL_TRACK_MEMPOOL
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195#endif
196
76e3520e 197#define STATIC static
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198
199#ifndef PERL_CORE
200/* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
203 * cargo-culted them.
204 */
76e3520e 205#define CPERLscope(x) x
565764a8 206#define CPERLarg void
76e3520e 207#define CPERLarg_
e3b8966e 208#define _CPERLarg
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209#define PERL_OBJECT_THIS
210#define _PERL_OBJECT_THIS
211#define PERL_OBJECT_THIS_
312caa8e 212#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 213#define MEMBER_TO_FPTR(name) name
16c91539 214#endif /* !PERL_CORE */
76e3520e 215
16c91539 216#define CALLRUNOPS PL_runops
f9f4320a 217
3ab4a224 218#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 219
16c91539 220#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 223 (strbeg),(minend),(sv),(data),(flags))
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224#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
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226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
16c91539 228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 229
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230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
16c91539 234 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
16c91539 276 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 277
00f254e2 278#if defined(USE_ITHREADS)
f9f4320a 279#define CALLREGDUPE(prog,param) \
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280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
16c91539 283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 284 : (REGEXP *)NULL)
f9f4320a 285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
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289
290
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291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
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297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
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308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5 317#endif
00f254e2 318
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319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
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321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
322 * or variables/arguments that are used only in certain configurations.
349b520e 323 */
53c1dcc0 324#ifndef PERL_UNUSED_ARG
c99ffe5e 325# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 326# include <note.h>
53c1dcc0 327# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 328# else
a730e3f2 329# define PERL_UNUSED_ARG(x) ((void)sizeof(x))
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330# endif
331#endif
53c1dcc0 332#ifndef PERL_UNUSED_VAR
a730e3f2 333# define PERL_UNUSED_VAR(x) ((void)sizeof(x))
53c1dcc0 334#endif
ad73156c 335
23491f1d 336#if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
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337# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
338#else
339# define PERL_UNUSED_CONTEXT
340#endif
341
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342/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
343 * g++ allows them but seems to have problems with them
344 * (insane errors ensue).
345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
346 */
347#if defined(PERL_GCC_PEDANTIC) || \
348 (defined(__GNUC__) && defined(__cplusplus) && \
349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
350# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
351# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
352# endif
353#endif
354
ffea512f 355/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
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356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
357 *
358 * The main reason for this is that the combination of gcc -Wunused-result
359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
360 * be silenced with casting to void. This causes trouble when the system
361 * header files use the attribute.
362 *
363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
364 * is there for a good reason: you might lose success/failure information,
365 * or leak resources, or changes in resources.
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366 *
367 * But sometimes you just want to ignore the return value, e.g. on
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368 * codepaths soon ending up in abort, or in "best effort" attempts,
369 * or in situations where there is no good way to handle failures.
ffea512f 370 *
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371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
372 * another possibility is that you can capture the return value
373 * and use PERL_UNUSED_VAR on that.
ffea512f 374 *
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375 * The __typeof__() is used instead of typeof() since typeof() is not
376 * available under strict C89, and because of compilers masquerading
377 * as gcc (clang and icc), we want exactly the gcc extension
378 * __typeof__ and nothing else.
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379 */
380#ifndef PERL_UNUSED_RESULT
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381# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
382# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
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383# else
384# define PERL_UNUSED_RESULT(v) ((void)(v))
385# endif
386#endif
387
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388/* on gcc (and clang), specify that a warning should be temporarily
389 * ignored; e.g.
390 *
391 * GCC_DIAG_IGNORE(-Wmultichar);
392 * char b = 'ab';
393 * GCC_DIAG_RESTORE;
394 *
395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
396 *
397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
398 * clang only pretends to be GCC 4.2, but still supports push/pop.
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399 *
400 * Note on usage: on non-gcc (or lookalike, like clang) compilers
401 * one cannot use these at file (global) level without warnings
402 * since they are defined as empty, which leads into the terminating
403 * semicolon being left alone on a line:
404 * ;
405 * which makes compilers mildly cranky. Therefore at file level one
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406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
407 * the semicolons.
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408 *
409 * (A dead-on-arrival solution would be to try to define the macros as
410 * NOOP or dNOOP, those don't work both inside functions and outside.)
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411 */
412
57d4b8c5 413#if defined(__clang__) || defined(__clang) || \
d28ce8b4 414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
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415# define GCC_DIAG_PRAGMA(x) _Pragma (#x)
416/* clang has "clang diagnostic" pragmas, but also understands gcc. */
b56aac20 417# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
c1d6452f 418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
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419# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
420#else
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421# define GCC_DIAG_IGNORE(w)
422# define GCC_DIAG_RESTORE
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423#endif
424
6f207bd3 425#define NOOP /*EMPTY*/(void)0
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426/* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429/* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
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431#ifdef __cplusplus
432#define dNOOP (void)0
433#else
64a8239e 434#define dNOOP extern int Perl___notused(void)
7db66e12 435#endif
71be2cbc 436
0cb96387 437#ifndef pTHX
a78adc84 438/* Don't bother defining tTHX ; using it outside
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439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
440 */
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441# define pTHX void
442# define pTHX_
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443# define aTHX
444# define aTHX_
9399a70c 445# define aTHXa(a) NOOP
0cb96387
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446# define dTHXa(a) dNOOP
447# define dTHX dNOOP
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448# define pTHX_1 1
449# define pTHX_2 2
450# define pTHX_3 3
451# define pTHX_4 4
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452# define pTHX_5 5
453# define pTHX_6 6
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454# define pTHX_7 7
455# define pTHX_8 8
456# define pTHX_9 9
a6fc70e5 457# define pTHX_12 12
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458#endif
459
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460#ifndef dVAR
461# define dVAR dNOOP
462#endif
463
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464/* these are only defined for compatibility; should not be used internally */
465#if !defined(pTHXo) && !defined(PERL_CORE)
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466# define pTHXo pTHX
467# define pTHXo_ pTHX_
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468# define aTHXo aTHX
469# define aTHXo_ aTHX_
c5be433b 470# define dTHXo dTHX
71d280e3 471# define dTHXoa(x) dTHXa(x)
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472#endif
473
474#ifndef pTHXx
5aaab254 475# define pTHXx PerlInterpreter *my_perl
0cb96387 476# define pTHXx_ pTHXx,
0cb96387
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477# define aTHXx my_perl
478# define aTHXx_ aTHXx,
c5be433b 479# define dTHXx dTHX
22c35a8c 480#endif
71be2cbc 481
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482/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485#ifdef PERL_IMPLICIT_SYS
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486# ifdef PERL_GLOBAL_STRUCT_PRIVATE
487# define dTHXs dVAR; dTHX
488# else
489# define dTHXs dTHX
490# endif
1de7c2ac 491#else
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JH
492# ifdef PERL_GLOBAL_STRUCT_PRIVATE
493# define dTHXs dVAR
494# else
495# define dTHXs dNOOP
496# endif
1de7c2ac
GS
497#endif
498
27da23d5
JH
499/* Some platforms require marking function declarations
500 * for them to be exportable. Used in perlio.h, proto.h
501 * is handled either by the makedef.pl or by defining the
502 * PERL_CALLCONV to be something special. See also the
503 * definition of XS() in XSUB.h. */
504#ifndef PERL_EXPORT_C
a0c21aa1
JH
505# ifdef __cplusplus
506# define PERL_EXPORT_C extern "C"
507# else
508# define PERL_EXPORT_C extern
509# endif
27da23d5
JH
510#endif
511#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH
512# ifdef __cplusplus
513# define PERL_XS_EXPORT_C extern "C"
514# else
515# define PERL_XS_EXPORT_C
516# endif
27da23d5
JH
517#endif
518
5b692037
JH
519#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
520# ifndef PERL_USE_GCC_BRACE_GROUPS
521# define PERL_USE_GCC_BRACE_GROUPS
522# endif
523#endif
524
728e2803
PP
525/*
526 * STMT_START { statements; } STMT_END;
527 * can be used as a single statement, as in
528 * if (x) STMT_START { ... } STMT_END; else ...
529 *
530 * Trying to select a version that gives no warnings...
531 */
532#if !(defined(STMT_START) && defined(STMT_END))
5b692037 533# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 534# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
535# define STMT_END )
536# else
728e2803
PP
537# define STMT_START do
538# define STMT_END while (0)
728e2803
PP
539# endif
540#endif
541
d6f9c181
JH
542#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
543# define BYTEORDER 0x1234
79072805
LW
544#endif
545
546/* Overall memory policy? */
547#ifndef CONSERVATIVE
548# define LIBERAL 1
549#endif
550
8ada0baa
JH
551#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
552#define ASCIIish
553#else
554#undef ASCIIish
555#endif
556
79072805
LW
557/*
558 * The following contortions are brought to you on behalf of all the
559 * standards, semi-standards, de facto standards, not-so-de-facto standards
560 * of the world, as well as all the other botches anyone ever thought of.
561 * The basic theory is that if we work hard enough here, the rest of the
562 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
563 */
ac58e20f 564
ee0007ab 565/* define this once if either system, instead of cluttering up the src */
7c458fae 566#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
567#define DOSISH 1
568#endif
569
739a0b84 570#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW
571# define STANDARD_C 1
572#endif
573
8d87852b 574#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
575# define DONT_DECLARE_STD 1
576#endif
577
352d5a3a 578#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 579# define VOL volatile
663a0e37 580#else
79072805 581# define VOL
663a0e37
LW
582#endif
583
284167a5
SM
584/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
585 * you get a perl without taint support, but doubtlessly with a lesser
586 * degree of support. Do not do so unless you know exactly what it means
587 * technically, have a good reason to do so, and know exactly how the
588 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
589 * a potential security risk due to flat out ignoring the security-relevant
590 * taint flags. This being said, a perl without taint support compiled in
591 * has marginal run-time performance benefits.
592 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
593 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
594 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
595 *
596 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 597 * voids your nonexistent warranty!
284167a5 598 */
dc6d7f5c 599#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
SM
600# define NO_TAINT_SUPPORT 1
601#endif
602
603/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
604 * operations into no-ops for a very modest speed-up. Enable only if you
605 * know what you're doing: tests and CPAN modules' tests are bound to fail.
606 */
dc6d7f5c 607#ifdef NO_TAINT_SUPPORT
284167a5
SM
608# define TAINT NOOP
609# define TAINT_NOT NOOP
610# define TAINT_IF(c) NOOP
611# define TAINT_ENV() NOOP
612# define TAINT_PROPER(s) NOOP
613# define TAINT_set(s) NOOP
614# define TAINT_get 0
615# define TAINTING_get 0
616# define TAINTING_set(s) NOOP
617# define TAINT_WARN_get 0
618# define TAINT_WARN_set(s) NOOP
619#else
620# define TAINT (PL_tainted = TRUE)
621# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
622# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
623# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
624# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
625# define TAINT_set(s) (PL_tainted = (s))
626# define TAINT_get (PL_tainted)
627# define TAINTING_get (PL_tainting)
628# define TAINTING_set(s) (PL_tainting = (s))
629# define TAINT_WARN_get (PL_taint_warn)
630# define TAINT_WARN_set(s) (PL_taint_warn = (s))
631#endif
a687059c 632
20be6587
DM
633/* flags used internally only within pp_subst and pp_substcont */
634#ifdef PERL_CORE
635# define SUBST_TAINT_STR 1 /* string tainted */
636# define SUBST_TAINT_PAT 2 /* pattern tainted */
637# define SUBST_TAINT_REPL 4 /* replacement tainted */
638# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
639# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
640#endif
641
d460ef45 642/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
643 defines move there? If so, I could simplify this a lot. --AD 9/96.
644*/
645/* Process group stuff changed from traditional BSD to POSIX.
646 perlfunc.pod documents the traditional BSD-style syntax, so we'll
647 try to preserve that, if possible.
648*/
649#ifdef HAS_SETPGID
650# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 651#else
a6e633de
PP
652# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
653# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
654# else
655# ifdef HAS_SETPGRP2 /* DG/UX */
656# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
657# endif
658# endif
659#endif
660#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
661# define HAS_SETPGRP /* Well, effectively it does . . . */
662#endif
663
664/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
665 our life easier :-) so we'll try it.
666*/
667#ifdef HAS_GETPGID
668# define BSD_GETPGRP(pid) getpgid((pid))
669#else
670# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
671# define BSD_GETPGRP(pid) getpgrp((pid))
672# else
673# ifdef HAS_GETPGRP2 /* DG/UX */
674# define BSD_GETPGRP(pid) getpgrp2((pid))
675# endif
676# endif
677#endif
678#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
679# define HAS_GETPGRP /* Well, effectively it does . . . */
680#endif
681
d460ef45 682/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
683 have different behaviors, but perl.h used to define USE_BSDPGRP
684 (prior to 5.003_05) so some extension might depend on it.
685*/
686#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
687# ifndef USE_BSDPGRP
688# define USE_BSDPGRP
689# endif
663a0e37
LW
690#endif
691
486ec47a 692/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
693 pthread.h must be included before all other header files.
694*/
3db8f154 695#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
696# include <pthread.h>
697#endif
698
58ab9e8b 699#include <sys/types.h>
663a0e37 700
760ac839
LW
701#ifdef __cplusplus
702# ifndef I_STDARG
703# define I_STDARG 1
704# endif
705#endif
706
707#ifdef I_STDARG
708# include <stdarg.h>
709#else
710# ifdef I_VARARGS
711# include <varargs.h>
712# endif
713#endif
714
27db2737
JH
715#ifdef I_STDINT
716# include <stdint.h>
717#endif
718
fe14fcc3 719#include <ctype.h>
a0d0e21e
LW
720
721#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
722#undef METHOD
a0d0e21e
LW
723#endif
724
12ae5dfc
JH
725#ifdef PERL_MICRO
726# define NO_LOCALE
727#endif
728
4633a7c4 729#ifdef I_LOCALE
36477c24 730# include <locale.h>
4633a7c4
LW
731#endif
732
36477c24
PP
733#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
734# define USE_LOCALE
ccd65d51
KW
735# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
736 capability */
36477c24
PP
737# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
738 && defined(HAS_STRXFRM)
739# define USE_LOCALE_COLLATE
740# endif
741# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
742# define USE_LOCALE_CTYPE
743# endif
744# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
745# define USE_LOCALE_NUMERIC
746# endif
fa9b773e
KW
747# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
748# define USE_LOCALE_MESSAGES
749# endif
750# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
751# define USE_LOCALE_MONETARY
752# endif
56e45410
KW
753# if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
754# define USE_LOCALE_TIME
755# endif
b385bb4d
KW
756# ifndef WIN32 /* No wrapper except on Windows */
757# define my_setlocale(a,b) setlocale(a,b)
758# endif
36477c24 759#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 760
fe14fcc3 761#include <setjmp.h>
79072805 762
a0d0e21e 763#ifdef I_SYS_PARAM
79072805
LW
764# ifdef PARAM_NEEDS_TYPES
765# include <sys/types.h>
766# endif
767# include <sys/param.h>
352d5a3a 768#endif
79072805 769
ce3470dc
AD
770/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
771 value something like 199306. This may be useful if no more-specific
772 feature test is available.
773*/
774#if defined(BSD)
775# ifndef BSDish
776# define BSDish
777# endif
778#endif
779
79072805 780/* Use all the "standard" definitions? */
a0d0e21e 781#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 782# include <stdlib.h>
ff68c719 783#endif
03a14243 784
3f270f98
JH
785/* If this causes problems, set i_unistd=undef in the hint file. */
786#ifdef I_UNISTD
787# include <unistd.h>
788#endif
789
de8ca8af
NT
790/* for WCOREDUMP */
791#ifdef I_SYS_WAIT
792# include <sys/wait.h>
793#endif
794
9969cdde 795#ifdef __SYMBIAN32__
27da23d5
JH
796# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
797#endif
798
21e89b5f 799#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 800EXTERN_C int syscall(int, ...);
2ef53570
JH
801#endif
802
21e89b5f 803#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 804EXTERN_C int usleep(unsigned int);
2ef53570
JH
805#endif
806
1109a392
MHM
807#ifdef PERL_CORE
808
809/* macros for correct constant construction */
810# if INTSIZE >= 2
811# define U16_CONST(x) ((U16)x##U)
812# else
813# define U16_CONST(x) ((U16)x##UL)
814# endif
815
816# if INTSIZE >= 4
817# define U32_CONST(x) ((U32)x##U)
818# else
819# define U32_CONST(x) ((U32)x##UL)
820# endif
821
822# ifdef HAS_QUAD
823# if INTSIZE >= 8
824# define U64_CONST(x) ((U64)x##U)
825# elif LONGSIZE >= 8
826# define U64_CONST(x) ((U64)x##UL)
827# elif QUADKIND == QUAD_IS_LONG_LONG
828# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
829# elif QUADKIND == QUAD_IS___INT64
830# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
831# else /* best guess we can make */
832# define U64_CONST(x) ((U64)x##UL)
833# endif
834# endif
835
836/* byte-swapping functions for big-/little-endian conversion */
837# define _swab_16_(x) ((U16)( \
838 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
839 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
840
841# define _swab_32_(x) ((U32)( \
842 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
843 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
844 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
845 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
846
847# ifdef HAS_QUAD
848# define _swab_64_(x) ((U64)( \
849 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
850 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
851 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
852 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
853 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
854 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
855 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
856 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
857# endif
858
9c17f24a
NC
859/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
860 at least on FreeBSD. YMMV, so experiment. */
861#ifndef PERL_ARENA_SIZE
862#define PERL_ARENA_SIZE 4080
863#endif
864
ccb2c8b8 865/* Maximum level of recursion */
2b9dff67
RGS
866#ifndef PERL_SUB_DEPTH_WARN
867#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
868#endif
869
1109a392
MHM
870#endif /* PERL_CORE */
871
bdf3085f
NC
872/* We no longer default to creating a new SV for GvSV.
873 Do this before embed. */
874#ifndef PERL_CREATE_GVSV
7459f06b
NC
875# ifndef PERL_DONT_CREATE_GVSV
876# define PERL_DONT_CREATE_GVSV
877# endif
bdf3085f
NC
878#endif
879
ca0c25f6
NC
880#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
881#define PERL_USES_PL_PIDSTATUS
882#endif
883
739a0b84 884#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
885#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
886#endif
887
c31fac66
GS
888#define MEM_SIZE Size_t
889
1936d2a7
NC
890/* Round all values passed to malloc up, by default to a multiple of
891 sizeof(size_t)
892*/
893#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
894#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
895#endif
896
f1200559
WH
897/* sv_grow() will expand strings by at least a certain percentage of
898 the previously *used* length to avoid excessive calls to realloc().
899 The default is 25% of the current length.
900*/
901#ifndef PERL_STRLEN_EXPAND_SHIFT
902# define PERL_STRLEN_EXPAND_SHIFT 2
903#endif
904
3800c318 905#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS
906# include <stddef.h>
907# define STRUCT_OFFSET(s,m) offsetof(s,m)
908#else
909# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF
910#endif
911
912/* ptrdiff_t is C11, so undef it under pedantic builds */
913#ifdef PERL_GCC_PEDANTIC
914# undef HAS_PTRDIFF_T
51371543
GS
915#endif
916
9969cdde 917#ifndef __SYMBIAN32__
27da23d5
JH
918# if defined(I_STRING) || defined(__cplusplus)
919# include <string.h>
920# else
921# include <strings.h>
922# endif
51371543
GS
923#endif
924
55497cff
PP
925/* This comes after <stdlib.h> so we don't try to change the standard
926 * library prototypes; we'll use our own in proto.h instead. */
03a14243 927
4633a7c4 928#ifdef MYMALLOC
86058a2d 929# ifdef PERL_POLLUTE_MALLOC
ee13e175 930# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
931# define Perl_malloc malloc
932# define Perl_calloc calloc
933# define Perl_realloc realloc
934# define Perl_mfree free
ee13e175 935# endif
86058a2d
GS
936# else
937# define EMBEDMYMALLOC /* for compatibility */
938# endif
827e134a 939
651b9576
GS
940# define safemalloc Perl_malloc
941# define safecalloc Perl_calloc
942# define saferealloc Perl_realloc
943# define safefree Perl_mfree
22f7c9c9
JH
944# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
945 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
946 code; \
947 } STMT_END
948# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
949 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
950# define panic_write2(s) write(2, s, strlen(s))
951# define CHECK_MALLOC_TAINT(newval) \
952 CHECK_MALLOC_TOO_LATE_FOR_( \
953 if (newval) { \
acfd4d8e 954 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 955 exit(1); })
22f7c9c9 956# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 957 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
958 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
959 }} STMT_END;
f2517201
GS
960#else /* MYMALLOC */
961# define safemalloc safesysmalloc
962# define safecalloc safesyscalloc
963# define saferealloc safesysrealloc
964# define safefree safesysfree
22f7c9c9
JH
965# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
966# define CHECK_MALLOC_TAINT(newval) ((void)0)
967# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 968#endif /* MYMALLOC */
4633a7c4 969
fe13d51d 970/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 971#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
972#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
973#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
974#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
975
a0d0e21e
LW
976#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
977#define strchr index
978#define strrchr rindex
979#endif
980
16d20bd9
AD
981#ifdef I_MEMORY
982# include <memory.h>
983#endif
984
fe14fcc3 985#ifdef HAS_MEMCPY
85e6fe83 986# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 987# ifndef memcpy
20ce7b12 988 extern char * memcpy (char*, char*, int);
ee0007ab
LW
989# endif
990# endif
991#else
992# ifndef memcpy
993# ifdef HAS_BCOPY
994# define memcpy(d,s,l) bcopy(s,d,l)
995# else
996# define memcpy(d,s,l) my_bcopy(s,d,l)
997# endif
998# endif
999#endif /* HAS_MEMCPY */
fe14fcc3 1000
ee0007ab 1001#ifdef HAS_MEMSET
85e6fe83 1002# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1003# ifndef memset
20ce7b12 1004 extern char *memset (char*, int, int);
ee0007ab
LW
1005# endif
1006# endif
ee0007ab 1007#else
12ae5dfc 1008# undef memset
fc36a67e 1009# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
1010#endif /* HAS_MEMSET */
1011
85e6fe83 1012#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1013# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
1014# define memmove(d,s,l) bcopy(s,d,l)
1015# else
2304df62 1016# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1017# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1018# else
79072805 1019# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1020# endif
352d5a3a 1021# endif
d9d8d8de 1022#endif
ee0007ab 1023
36477c24
PP
1024#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1025# undef HAS_MEMCMP
1026#endif
1027
1028#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1029# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1030# ifndef memcmp
20ce7b12 1031 extern int memcmp (char*, char*, int);
ee0007ab
LW
1032# endif
1033# endif
1034#else
1035# ifndef memcmp
ecfc5424 1036# define memcmp my_memcmp
352d5a3a 1037# endif
36477c24 1038#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1039
fc36a67e 1040#ifndef memzero
c635e13b
PP
1041# ifdef HAS_MEMSET
1042# define memzero(d,l) memset(d,0,l)
79072805 1043# else
c635e13b
PP
1044# ifdef HAS_BZERO
1045# define memzero(d,l) bzero(d,l)
79072805 1046# else
fc36a67e 1047# define memzero(d,l) my_bzero(d,l)
79072805
LW
1048# endif
1049# endif
d9d8d8de 1050#endif
378cc40b 1051
2f42fcb0 1052#ifndef PERL_MICRO
0f27ced1
JH
1053#ifndef memchr
1054# ifndef HAS_MEMCHR
1055# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1056# endif
1057#endif
2f42fcb0 1058#endif
0f27ced1 1059
36477c24
PP
1060#ifndef HAS_BCMP
1061# ifndef bcmp
1062# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1063# endif
36477c24 1064#endif /* !HAS_BCMP */
378cc40b 1065
ae986130 1066#ifdef I_NETINET_IN
79072805 1067# include <netinet/in.h>
ae986130
LW
1068#endif
1069
28e8609d
JH
1070#ifdef I_ARPA_INET
1071# include <arpa/inet.h>
1072#endif
1073
1aef975c 1074#ifdef I_SYS_STAT
84902520 1075# include <sys/stat.h>
1aef975c 1076#endif
79072805 1077
287a962e
JD
1078/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1079 This definition should ideally go into win32/win32.h, but S_IFIFO is
1080 used later here in perl.h before win32/win32.h is being included. */
1081#if !defined(S_IFIFO) && defined(_S_IFIFO)
1082# define S_IFIFO _S_IFIFO
1083#endif
1084
cc3315ba 1085/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1086 like UTekV) are broken, sometimes giving false positives. Undefine
1087 them here and let the code below set them to proper values.
1088
1089 The ghs macro stands for GreenHills Software C-1.8.5 which
1090 is the C compiler for sysV88 and the various derivatives.
1091 This header file bug is corrected in gcc-2.5.8 and later versions.
1092 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1093
cc3315ba 1094#if defined(m88k) && defined(ghs)
79072805
LW
1095# undef S_ISDIR
1096# undef S_ISCHR
1097# undef S_ISBLK
1098# undef S_ISREG
1099# undef S_ISFIFO
1100# undef S_ISLNK
ee0007ab 1101#endif
135863df 1102
663a0e37
LW
1103#ifdef I_TIME
1104# include <time.h>
ffed7fef 1105#endif
663a0e37 1106
fe14fcc3 1107#ifdef I_SYS_TIME
85e6fe83 1108# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1109# define KERNEL
1110# endif
1111# include <sys/time.h>
85e6fe83 1112# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1113# undef KERNEL
1114# endif
a687059c 1115#endif
135863df 1116
55497cff 1117#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1118# include <sys/times.h>
d9d8d8de 1119#endif
8d063cd8 1120
fe14fcc3 1121#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1122# undef HAS_STRERROR
663a0e37
LW
1123#endif
1124
1125#include <errno.h>
1e743fda 1126
acfe0abc 1127#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1128# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1129#endif
1130
8cfab5ff 1131/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1132 * This is important for using IPv6.
8cfab5ff
JH
1133 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1134 * a bad idea since it breaks send() and recv(). */
1135#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1136# define _SOCKADDR_LEN
1137#endif
1138
da70cfc6 1139#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1140# include <sys/socket.h>
1141# if defined(USE_SOCKS) && defined(I_SOCKS)
1142# if !defined(INCLUDE_PROTOTYPES)
1143# define INCLUDE_PROTOTYPES /* for <socks.h> */
1144# define PERL_SOCKS_NEED_PROTOTYPES
1145# endif
1146# include <socks.h>
1147# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1148# undef INCLUDE_PROTOTYPES
1149# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1150# endif
d460ef45 1151# endif
1e743fda 1152# ifdef I_NETDB
2986a63f
JH
1153# ifdef NETWARE
1154# include<stdio.h>
1155# endif
1e743fda
JH
1156# include <netdb.h>
1157# endif
1158# ifndef ENOTSOCK
1159# ifdef I_NET_ERRNO
1160# include <net/errno.h>
1161# endif
1162# endif
1163#endif
1164
fa0a29af 1165/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1166 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1167 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1168#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1169# if defined(__THROW) && defined(__GLIBC__)
1170int sockatmark(int) __THROW;
1171# else
2ef53570 1172int sockatmark(int);
29820b6d 1173# endif
2ef53570
JH
1174#endif
1175
7e827271 1176#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
1177EXTERN_C int fchdir(int);
1178EXTERN_C int flock(int, int);
1179EXTERN_C int fseeko(FILE *, off_t, int);
1180EXTERN_C off_t ftello(FILE *);
1181#endif
1182
7e827271 1183#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1184EXTERN_C char *crypt(const char *, const char *);
7e827271 1185EXTERN_C char **environ;
1ccb7c8d
JH
1186#endif
1187
83a6ff2e 1188#if defined(__cplusplus)
ce3470dc 1189# if defined(BSDish)
b91fbb93 1190EXTERN_C char **environ;
83a6ff2e 1191# elif defined(__CYGWIN__)
667e2948
SP
1192EXTERN_C char *crypt(const char *, const char *);
1193#endif
83a6ff2e 1194#endif
667e2948 1195
1e743fda
JH
1196#ifdef SETERRNO
1197# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1198#endif
f86702cc
PP
1199
1200#ifdef VMS
1201# define SETERRNO(errcode,vmserrcode) \
1202 STMT_START { \
1203 set_errno(errcode); \
1204 set_vaxc_errno(vmserrcode); \
1205 } STMT_END
4ee39169
CS
1206# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1207# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1208# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1209# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1210
93189314
JH
1211# define LIB_INVARG LIB$_INVARG
1212# define RMS_DIR RMS$_DIR
1213# define RMS_FAC RMS$_FAC
1214# define RMS_FEX RMS$_FEX
1215# define RMS_FNF RMS$_FNF
1216# define RMS_IFI RMS$_IFI
1217# define RMS_ISI RMS$_ISI
1218# define RMS_PRV RMS$_PRV
1219# define SS_ACCVIO SS$_ACCVIO
1220# define SS_DEVOFFLINE SS$_DEVOFFLINE
1221# define SS_IVCHAN SS$_IVCHAN
1222# define SS_NORMAL SS$_NORMAL
8a9f18be 1223# define SS_NOPRIV SS$_NOPRIV
748a9306 1224#else
93189314
JH
1225# define LIB_INVARG 0
1226# define RMS_DIR 0
1227# define RMS_FAC 0
1228# define RMS_FEX 0
1229# define RMS_FNF 0
1230# define RMS_IFI 0
1231# define RMS_ISI 0
1232# define RMS_PRV 0
1233# define SS_ACCVIO 0
1234# define SS_DEVOFFLINE 0
1235# define SS_IVCHAN 0
1236# define SS_NORMAL 0
8a9f18be 1237# define SS_NOPRIV 0
748a9306 1238#endif
ed6116ce 1239
6ca940a9
TC
1240#ifdef WIN32
1241# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1242# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1243# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1244# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1245#endif
1246
1247#ifdef OS2
1248# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1249# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1250# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1251# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1252#endif
1253
1254#ifndef SETERRNO
1255# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1256#endif
1257
1258#ifndef dSAVEDERRNO
1259# define dSAVEDERRNO int saved_errno
1260# define dSAVE_ERRNO int saved_errno = errno
1261# define SAVE_ERRNO (saved_errno = errno)
1262# define RESTORE_ERRNO (errno = saved_errno)
1263#endif
1264
f5fa9033 1265#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1266
1267#define CLEAR_ERRSV() STMT_START { \
1268 if (!GvSV(PL_errgv)) { \
1269 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1270 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1271 SvREFCNT_dec(GvSV(PL_errgv)); \
1272 GvSV(PL_errgv) = newSVpvs(""); \
1273 } else { \
1274 SV *const errsv = GvSV(PL_errgv); \
1275 sv_setpvs(errsv, ""); \
1276 if (SvMAGICAL(errsv)) { \
1277 mg_free(errsv); \
1278 } \
1279 SvPOK_only(errsv); \
1280 } \
1281 } STMT_END
1282
1283
414bf5ae
MHM
1284#ifdef PERL_CORE
1285# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1286# define DEFSV_set(sv) \
1287 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1288# define SAVE_DEFSV \
1289 ( \
1290 save_gp(PL_defgv, 0), \
1291 GvINTRO_off(PL_defgv), \
1292 SAVEGENERICSV(GvSV(PL_defgv)), \
1293 GvSV(PL_defgv) = NULL \
1294 )
414bf5ae
MHM
1295#else
1296# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1297# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1298# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1299#endif
38a03e6e 1300
55497cff 1301#ifndef errno
5ff3f7a4
GS
1302 extern int errno; /* ANSI allows errno to be an lvalue expr.
1303 * For example in multithreaded environments
1304 * something like this might happen:
1305 * extern int *_errno(void);
1306 * #define errno (*_errno()) */
d9d8d8de 1307#endif
663a0e37 1308
7e996671
KW
1309#define UNKNOWN_ERRNO_MSG "(unknown)"
1310
2304df62 1311#ifdef HAS_STRERROR
b3e384bf 1312# ifndef DONT_DECLARE_STD
a0d0e21e 1313# ifdef VMS
20ce7b12 1314 char *strerror (int,...);
a0d0e21e 1315# else
20ce7b12 1316 char *strerror (int);
a0d0e21e 1317# endif
b3e384bf
KW
1318# endif
1319# ifndef Strerror
1320# define Strerror strerror
1321# endif
2304df62
AD
1322#else
1323# ifdef HAS_SYS_ERRLIST
79072805
LW
1324 extern int sys_nerr;
1325 extern char *sys_errlist[];
2304df62
AD
1326# ifndef Strerror
1327# define Strerror(e) \
7e996671 1328 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1329# endif
79072805 1330# endif
35c8bce7 1331#endif
663a0e37 1332
2304df62 1333#ifdef I_SYS_IOCTL
79072805
LW
1334# ifndef _IOCTL_
1335# include <sys/ioctl.h>
1336# endif
a687059c
LW
1337#endif
1338
ee0007ab 1339#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1340# ifdef HAS_SOCKETPAIR
1341# undef HAS_SOCKETPAIR
1342# endif
2304df62
AD
1343# ifdef I_NDBM
1344# undef I_NDBM
79072805 1345# endif
a687059c
LW
1346#endif
1347
02fc2eee
NC
1348#ifndef HAS_SOCKETPAIR
1349# ifdef HAS_SOCKET
1350# define socketpair Perl_my_socketpair
1351# endif
1352#endif
1353
a687059c 1354#if INTSIZE == 2
79072805
LW
1355# define htoni htons
1356# define ntohi ntohs
a687059c 1357#else
79072805
LW
1358# define htoni htonl
1359# define ntohi ntohl
a687059c
LW
1360#endif
1361
a0d0e21e 1362/* Configure already sets Direntry_t */
35c8bce7 1363#if defined(I_DIRENT)
663a0e37 1364# include <dirent.h>
ae986130 1365#else
fe14fcc3 1366# ifdef I_SYS_NDIR
79a0689e 1367# include <sys/ndir.h>
663a0e37 1368# else
fe14fcc3 1369# ifdef I_SYS_DIR
79a0689e
LW
1370# ifdef hp9000s500
1371# include <ndir.h> /* may be wrong in the future */
1372# else
1373# include <sys/dir.h>
1374# endif
663a0e37
LW
1375# endif
1376# endif
4633a7c4 1377#endif
a687059c 1378
c623bd54
LW
1379/*
1380 * The following gobbledygook brought to you on behalf of __STDC__.
1381 * (I could just use #ifndef __STDC__, but this is more bulletproof
1382 * in the face of half-implementations.)
1383 */
1384
21e89b5f 1385#if defined(I_SYSMODE)
ca6e1c26
JH
1386#include <sys/mode.h>
1387#endif
1388
c623bd54
LW
1389#ifndef S_IFMT
1390# ifdef _S_IFMT
1391# define S_IFMT _S_IFMT
1392# else
1393# define S_IFMT 0170000
1394# endif
1395#endif
1396
1397#ifndef S_ISDIR
1398# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1399#endif
1400
1401#ifndef S_ISCHR
1402# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1403#endif
1404
1405#ifndef S_ISBLK
fe14fcc3
LW
1406# ifdef S_IFBLK
1407# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1408# else
1409# define S_ISBLK(m) (0)
1410# endif
c623bd54
LW
1411#endif
1412
1413#ifndef S_ISREG
1414# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1415#endif
1416
1417#ifndef S_ISFIFO
fe14fcc3
LW
1418# ifdef S_IFIFO
1419# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1420# else
1421# define S_ISFIFO(m) (0)
1422# endif
c623bd54
LW
1423#endif
1424
1425#ifndef S_ISLNK
1426# ifdef _S_ISLNK
1427# define S_ISLNK(m) _S_ISLNK(m)
1428# else
1429# ifdef _S_IFLNK
1430# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1431# else
1432# ifdef S_IFLNK
1433# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1434# else
1435# define S_ISLNK(m) (0)
1436# endif
1437# endif
1438# endif
1439#endif
1440
1441#ifndef S_ISSOCK
1442# ifdef _S_ISSOCK
1443# define S_ISSOCK(m) _S_ISSOCK(m)
1444# else
1445# ifdef _S_IFSOCK
1446# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1447# else
1448# ifdef S_IFSOCK
1449# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1450# else
1451# define S_ISSOCK(m) (0)
1452# endif
1453# endif
1454# endif
1455#endif
1456
1457#ifndef S_IRUSR
1458# ifdef S_IREAD
1459# define S_IRUSR S_IREAD
1460# define S_IWUSR S_IWRITE
1461# define S_IXUSR S_IEXEC
1462# else
1463# define S_IRUSR 0400
1464# define S_IWUSR 0200
1465# define S_IXUSR 0100
1466# endif
fac7cdfc 1467#endif
1468
1469#ifndef S_IRGRP
1470# ifdef S_IRUSR
1471# define S_IRGRP (S_IRUSR>>3)
1472# define S_IWGRP (S_IWUSR>>3)
1473# define S_IXGRP (S_IXUSR>>3)
1474# else
1475# define S_IRGRP 0040
1476# define S_IWGRP 0020
1477# define S_IXGRP 0010
1478# endif
1479#endif
1480
1481#ifndef S_IROTH
1482# ifdef S_IRUSR
1483# define S_IROTH (S_IRUSR>>6)
1484# define S_IWOTH (S_IWUSR>>6)
1485# define S_IXOTH (S_IXUSR>>6)
1486# else
1487# define S_IROTH 0040
1488# define S_IWOTH 0020
1489# define S_IXOTH 0010
1490# endif
c623bd54
LW
1491#endif
1492
1493#ifndef S_ISUID
1494# define S_ISUID 04000
1495#endif
1496
1497#ifndef S_ISGID
1498# define S_ISGID 02000
1499#endif
1500
ca6e1c26
JH
1501#ifndef S_IRWXU
1502# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1503#endif
ca6e1c26
JH
1504
1505#ifndef S_IRWXG
1506# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1507#endif
ca6e1c26
JH
1508
1509#ifndef S_IRWXO
1510# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1511#endif
ca6e1c26 1512
b6c36746 1513/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1514 * which would get included through <sys/file.h >, but that is 3000
1515 * lines in the future. --jhi */
1516
b6c36746 1517#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1518# define S_IREAD S_IRUSR
1519#endif
1520
b6c36746 1521#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1522# define S_IWRITE S_IWUSR
1523#endif
1524
1525#ifndef S_IEXEC
1526# define S_IEXEC S_IXUSR
1527#endif
1528
a0d0e21e 1529#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1530# define SLOPPYDIVIDE
1531#endif
1532
748a9306
LW
1533#ifdef UV
1534#undef UV
1535#endif
1536
ce582cee
NC
1537/* For the times when you want the return value of sprintf, and you want it
1538 to be the length. Can't have a thread variable passed in, because C89 has
1539 no varargs macros.
1540*/
1541#ifdef SPRINTF_RETURNS_STRLEN
1542# define my_sprintf sprintf
1543#else
1544# define my_sprintf Perl_my_sprintf
1545#endif
1546
5b692037
JH
1547/*
1548 * If we have v?snprintf() and the C99 variadic macros, we can just
1549 * use just the v?snprintf(). It is nice to try to trap the buffer
1550 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1551 * gcc statement expressions, then use the function wrappers which try
1552 * to trap the overflow. If we can use the gcc statement expressions,
1553 * we can try that even with the version that uses the C99 variadic
1554 * macros.
5b692037
JH
1555 */
1556
1208b3dd
JH
1557/* Note that we do not check against snprintf()/vsnprintf() returning
1558 * negative values because that is non-standard behaviour and we use
1559 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1560 * that should be true only if the snprintf()/vsnprintf() are true
1561 * to the standard. */
1562
e8549682
JH
1563#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
1564
a4eca1d4
JH
1565#ifdef USE_QUADMATH
1566# define my_snprintf Perl_my_snprintf
1567# define PERL_MY_SNPRINTF_GUARDED
1568#else
dfeee9b1 1569#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1570# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1571# define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1208b3dd 1572# define PERL_MY_SNPRINTF_GUARDED
5b692037 1573# else
e8549682 1574# define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
5b692037
JH
1575# endif
1576#else
1577# define my_snprintf Perl_my_snprintf
1208b3dd 1578# define PERL_MY_SNPRINTF_GUARDED
5b692037 1579#endif
a4eca1d4 1580#endif
5b692037 1581
a4eca1d4
JH
1582/* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1583 * dies if called under USE_QUADMATH. */
dfeee9b1 1584#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1585# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1586# define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1208b3dd 1587# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1588# else
e8549682 1589# define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
5b692037
JH
1590# endif
1591#else
1592# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1593# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1594#endif
d9fad198 1595
e8549682
JH
1596/* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1597 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1598 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1599 * completely ignore it: otherwise you cannot know whether your output
1600 * was too long.)
1601 *
1602 * int len = my_sprintf(buf, max, ...);
1603 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1604 *
1605 * The trick is that in certain platforms [a] the my_sprintf() already
1606 * contains the sanity check, while in certain platforms [b] it needs
1607 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1608 * platforms the POST_GUARD actually does nothing since the check has
1609 * already been done. Watch out for the max being the same in both calls.
1610 *
1611 * If you actually use the snprintf/vsnprintf return value already,
1612 * you assumedly are checking its validity somehow. But you can
1613 * insert the POST_GUARD() also in that case. */
1614
1615#ifndef PERL_MY_SNPRINTF_GUARDED
1616# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1617#else
1618# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1619#endif
1620
1621#ifndef PERL_MY_VSNPRINTF_GUARDED
1622# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1623#else
1624# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1625#endif
1626
a6cc4119
SP
1627#ifdef HAS_STRLCAT
1628# define my_strlcat strlcat
1629#else
1630# define my_strlcat Perl_my_strlcat
1631#endif
1632
1633#ifdef HAS_STRLCPY
1634# define my_strlcpy strlcpy
1635#else
1636# define my_strlcpy Perl_my_strlcpy
1637#endif
1638
05f13f53 1639/*
27d4fb96
PP
1640 The IV type is supposed to be long enough to hold any integral
1641 value or a pointer.
1642 --Andy Dougherty August 1996
1643*/
1644
a22e52b9
JH
1645typedef IVTYPE IV;
1646typedef UVTYPE UV;
8175356b 1647
10cc9d2a 1648#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1649# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1650# define IV_MAX INT64_MAX
1651# define IV_MIN INT64_MIN
1652# define UV_MAX UINT64_MAX
cae7ae48
JH
1653# ifndef UINT64_MIN
1654# define UINT64_MIN 0
1655# endif
5ff3f7a4
GS
1656# define UV_MIN UINT64_MIN
1657# else
1658# define IV_MAX PERL_QUAD_MAX
1659# define IV_MIN PERL_QUAD_MIN
1660# define UV_MAX PERL_UQUAD_MAX
1661# define UV_MIN PERL_UQUAD_MIN
1662# endif
cf2093f6
JH
1663# define IV_IS_QUAD
1664# define UV_IS_QUAD
79072805 1665#else
8175356b 1666# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1667# define IV_MAX INT32_MAX
1668# define IV_MIN INT32_MIN
716026f9
DL
1669# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1670# define UV_MAX UINT32_MAX
1671# else
1672# define UV_MAX 4294967295U
1673# endif
cae7ae48
JH
1674# ifndef UINT32_MIN
1675# define UINT32_MIN 0
1676# endif
5ff3f7a4
GS
1677# define UV_MIN UINT32_MIN
1678# else
1679# define IV_MAX PERL_LONG_MAX
1680# define IV_MIN PERL_LONG_MIN
1681# define UV_MAX PERL_ULONG_MAX
1682# define UV_MIN PERL_ULONG_MIN
1683# endif
8175356b 1684# if IVSIZE == 8
cf2093f6
JH
1685# define IV_IS_QUAD
1686# define UV_IS_QUAD
de1c2614
JH
1687# ifndef HAS_QUAD
1688# define HAS_QUAD
1689# endif
cf2093f6
JH
1690# else
1691# undef IV_IS_QUAD
1692# undef UV_IS_QUAD
9ea40801 1693#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1694/* We think that removing this decade-old undef this will cause too much
1695 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1696 However, we do need HAS_QUAD in the core for use by the drand48 code,
1697 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1698# undef HAS_QUAD
e25d460c 1699#endif
cf2093f6 1700# endif
79072805 1701#endif
d7d93a81 1702
6313e544
JH
1703#define Size_t_MAX (~(Size_t)0)
1704#define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
9a543cee 1705
cae7ae48 1706#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1707#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1708
28e5dec8 1709#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1710#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1711#endif
1712
d460ef45 1713/*
26bb67e2
JH
1714 * The macros INT2PTR and NUM2PTR are (despite their names)
1715 * bi-directional: they will convert int/float to or from pointers.
1716 * However the conversion to int/float are named explicitly:
1717 * PTR2IV, PTR2UV, PTR2NV.
1718 *
1719 * For int conversions we do not need two casts if pointers are
1720 * the same size as IV and UV. Otherwise we need an explicit
1721 * cast (PTRV) to avoid compiler warnings.
1722 */
56431972
RB
1723#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1724# define PTRV UV
1725# define INT2PTR(any,d) (any)(d)
1726#else
d460ef45 1727# if PTRSIZE == LONGSIZE
56431972 1728# define PTRV unsigned long
e91e3b10 1729# define PTR2ul(p) (unsigned long)(p)
42718184 1730# else
56431972 1731# define PTRV unsigned
42718184 1732# endif
e91e3b10
RB
1733#endif
1734
1735#ifndef INT2PTR
56431972 1736# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1737#endif
e91e3b10
RB
1738
1739#ifndef PTR2ul
1740# define PTR2ul(p) INT2PTR(unsigned long,p)
1741#endif
1742
56431972
RB
1743#define NUM2PTR(any,d) (any)(PTRV)(d)
1744#define PTR2IV(p) INT2PTR(IV,p)
1745#define PTR2UV(p) INT2PTR(UV,p)
1746#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1747#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1748
8141890a
JH
1749/* According to strict ANSI C89 one cannot freely cast between
1750 * data pointers and function (code) pointers. There are at least
1751 * two ways around this. One (used below) is to do two casts,
1752 * first the other pointer to an (unsigned) integer, and then
1753 * the integer to the other pointer. The other way would be
1754 * to use unions to "overlay" the pointers. For an example of
1755 * the latter technique, see union dirpu in struct xpvio in sv.h.
1756 * The only feasible use is probably temporarily storing
1757 * function pointers in a data pointer (such as a void pointer). */
1758
e91e3b10
RB
1759#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1760#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1761
65202027 1762#ifdef USE_LONG_DOUBLE
1048ea30
JH
1763# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1764# define LONG_DOUBLE_EQUALS_DOUBLE
1765# endif
68d4903c 1766# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1767# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1768# endif
1769#endif
1770
2d4389e4
JH
1771#ifdef OVR_DBL_DIG
1772/* Use an overridden DBL_DIG */
1773# ifdef DBL_DIG
1774# undef DBL_DIG
1775# endif
1776# define DBL_DIG OVR_DBL_DIG
1777#else
1778/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1779 default value for printing floating point numbers in Gconvert
1780 (see config.h). (It also has other uses, such as figuring out if
1781 a given precision of printing can be done with a double instead of
1782 a long double - Allen).
2d4389e4
JH
1783*/
1784#ifdef I_LIMITS
1785#include <limits.h>
1786#endif
1787#ifdef I_FLOAT
1788#include <float.h>
1789#endif
1790#ifndef HAS_DBL_DIG
1791#define DBL_DIG 15 /* A guess that works lots of places */
1792#endif
1793#endif
1794
1795#ifdef OVR_LDBL_DIG
1796/* Use an overridden LDBL_DIG */
1797# ifdef LDBL_DIG
1798# undef LDBL_DIG
1799# endif
1800# define LDBL_DIG OVR_LDBL_DIG
1801#else
1802/* The following is all to get LDBL_DIG, in order to pick a nice
1803 default value for printing floating point numbers in Gconvert.
1804 (see config.h)
1805*/
68d4903c
JH
1806# ifdef I_LIMITS
1807# include <limits.h>
1808# endif
1809# ifdef I_FLOAT
1810# include <float.h>
1811# endif
1812# ifndef HAS_LDBL_DIG
1813# if LONG_DOUBLESIZE == 10
1814# define LDBL_DIG 18 /* assume IEEE */
1815# else
1816# if LONG_DOUBLESIZE == 12
1817# define LDBL_DIG 18 /* gcc? */
1818# else
1819# if LONG_DOUBLESIZE == 16
1820# define LDBL_DIG 33 /* assume IEEE */
1821# else
1822# if LONG_DOUBLESIZE == DOUBLESIZE
1823# define LDBL_DIG DBL_DIG /* bummer */
1824# endif
1825# endif
1826# endif
1827# endif
1828# endif
2d4389e4
JH
1829#endif
1830
20f6aaab
AS
1831/*
1832 * This is for making sure we have a good DBL_MAX value, if possible,
1833 * either for usage as NV_MAX or for usage in figuring out if we can
1834 * fit a given long double into a double, if bug-fixing makes it
1835 * necessary to do so. - Allen <allens@cpan.org>
1836 */
1837
205f51d8
AS
1838#ifdef I_LIMITS
1839# include <limits.h>
20f6aaab
AS
1840#endif
1841
205f51d8
AS
1842#ifdef I_VALUES
1843# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1844# include <values.h>
1845# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1846# define DBL_MAX MAXDOUBLE
1847# endif
1848# if defined(MINDOUBLE) && !defined(DBL_MIN)
1849# define DBL_MIN MINDOUBLE
1850# endif
1851# endif
1852#endif /* defined(I_VALUES) */
1853
a22e52b9 1854typedef NVTYPE NV;
8175356b 1855
792d8dab
JH
1856#ifdef I_IEEEFP
1857# include <ieeefp.h>
1858#endif
923fc586 1859
c32c3de1
JH
1860#ifdef USING_MSVC6
1861/* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1862 * and for example NaN < IV_MIN. */
bcd8bfa9
JH
1863# define NAN_COMPARE_BROKEN
1864#endif
1865#if defined(__DECC) && defined(__osf__)
1866/* Also Tru64 cc has broken NaN comparisons. */
1867# define NAN_COMPARE_BROKEN
c32c3de1
JH
1868#endif
1869
65202027 1870#ifdef USE_LONG_DOUBLE
923fc586
JH
1871# ifdef I_SUNMATH
1872# include <sunmath.h>
1873# endif
05b4a618
JH
1874# if defined(USE_QUADMATH) && defined(I_QUADMATH)
1875# include <quadmath.h>
d6c14000 1876# endif
05b4a618
JH
1877# ifdef FLT128_DIG
1878# define NV_DIG FLT128_DIG
1879# define NV_MANT_DIG FLT128_MANT_DIG
1880# define NV_MIN FLT128_MIN
1881# define NV_MAX FLT128_MAX
1882# define NV_MIN_EXP FLT128_MIN_EXP
1883# define NV_MAX_EXP FLT128_MAX_EXP
1884# define NV_EPSILON FLT128_EPSILON
1885# define NV_MIN_10_EXP FLT128_MIN_10_EXP
1886# define NV_MAX_10_EXP FLT128_MAX_10_EXP
1887# define NV_INF HUGE_VALQ
1888# define NV_NAN nanq("0")
1889# elif defined(LDBL_DIG)
1890# define NV_DIG LDBL_DIG
1891# ifdef LDBL_MANT_DIG
1892# define NV_MANT_DIG LDBL_MANT_DIG
1893# endif
1894# ifdef LDBL_MIN
1895# define NV_MIN LDBL_MIN
1896# endif
1897# ifdef LDBL_MAX
1898# define NV_MAX LDBL_MAX
1899# endif
1900# ifdef LDBL_MIN_EXP
1901# define NV_MIN_EXP LDBL_MIN_EXP
1902# endif
1903# ifdef LDBL_MAX_EXP
1904# define NV_MAX_EXP LDBL_MAX_EXP
1905# endif
1906# ifdef LDBL_MIN_10_EXP
1907# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1908# endif
1909# ifdef LDBL_MAX_10_EXP
1910# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1911# endif
1912# ifdef LDBL_EPSILON
1913# define NV_EPSILON LDBL_EPSILON
1914# endif
1915# ifdef LDBL_MAX
1916# define NV_MAX LDBL_MAX
20f6aaab 1917/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62 1918# else
05b4a618
JH
1919# ifdef HUGE_VALL
1920# define NV_MAX HUGE_VALL
f4a14a62
JH
1921# endif
1922# endif
1923# endif
05b4a618
JH
1924# if defined(USE_QUADMATH) && defined(I_QUADMATH)
1925# define Perl_acos acosq
1926# define Perl_asin asinq
1927# define Perl_atan atanq
1928# define Perl_atan2 atan2q
1929# define Perl_ceil ceilq
1930# define Perl_cos cosq
1931# define Perl_cosh coshq
1932# define Perl_exp expq
1933/* no Perl_fabs, but there's PERL_ABS */
1934# define Perl_floor floorq
1935# define Perl_fmod fmodq
1936# define Perl_log logq
1937# define Perl_log10 log10q
1938# define Perl_pow powq
1939# define Perl_sin sinq
1940# define Perl_sinh sinhq
1941# define Perl_sqrt sqrtq
1942# define Perl_tan tanq
1943# define Perl_tanh tanhq
1944# define Perl_modf(x,y) modfq(x,y)
1945# define Perl_frexp(x,y) frexpq(x,y)
1946# define Perl_ldexp(x, y) ldexpq(x,y)
1947# define Perl_isinf(x) isinfq(x)
1948# define Perl_isnan(x) isnanq(x)
1949# define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
1950# elif defined(HAS_SQRTL)
8a00eddc
JH
1951# define Perl_acos acosl
1952# define Perl_asin asinl
1953# define Perl_atan atanl
940e3d56
JH
1954# define Perl_atan2 atan2l
1955# define Perl_ceil ceill
1956# define Perl_cos cosl
8a00eddc 1957# define Perl_cosh coshl
940e3d56 1958# define Perl_exp expl
55da5e5b 1959/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH
1960# define Perl_floor floorl
1961# define Perl_fmod fmodl
1962# define Perl_log logl
8a00eddc 1963# define Perl_log10 log10l
940e3d56
JH
1964# define Perl_pow powl
1965# define Perl_sin sinl
8a00eddc 1966# define Perl_sinh sinhl
940e3d56 1967# define Perl_sqrt sqrtl
8a00eddc
JH
1968# define Perl_tan tanl
1969# define Perl_tanh tanhl
68d4903c 1970# endif
a3540c92 1971/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
05b4a618
JH
1972# ifndef Perl_modf
1973# ifdef HAS_MODFL
1974# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1975/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1976 prototype in <math.h> */
05b4a618 1977# ifndef HAS_MODFL_PROTO
a221a8a5 1978EXTERN_C long double modfl(long double, long double *);
05b4a618
JH
1979# endif
1980# elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
55954f19 1981 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e 1982# define Perl_modf(x,y) Perl_my_modfl(x,y)
05b4a618 1983# endif
a3540c92 1984# endif
05b4a618
JH
1985# ifndef Perl_frexp
1986# ifdef HAS_FREXPL
1987# define Perl_frexp(x,y) frexpl(x,y)
1988# else
1989# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1990extern long double Perl_my_frexpl(long double x, int *e);
1991# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1992# endif
03476e8e 1993# endif
a3540c92 1994# endif
05b4a618
JH
1995# ifndef Perl_ldexp
1996# ifdef HAS_LDEXPL
1997# define Perl_ldexp(x, y) ldexpl(x,y)
1998# else
1999# if defined(HAS_SCALBNL) && FLT_RADIX == 2
2000# define Perl_ldexp(x,y) scalbnl(x,y)
2001# endif
98181445
JH
2002# endif
2003# endif
38dbb4c5 2004# ifndef Perl_isnan
e4c957f4 2005# if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
758a5d79
JH
2006# define Perl_isnan(x) isnanl(x)
2007# endif
2008# endif
2009# ifndef Perl_isinf
e4c957f4 2010# if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
87190886 2011# define Perl_isinf(x) isinfl(x)
bcd8bfa9 2012# elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2013# define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
a3540c92
JH
2014# endif
2015# endif
e38461cc
JH
2016# ifndef Perl_isfinite
2017# define Perl_isfinite(x) Perl_isfinitel(x)
2018# endif
65202027 2019#else
2d4389e4 2020# define NV_DIG DBL_DIG
d6c14000
JH
2021# ifdef DBL_MANT_DIG
2022# define NV_MANT_DIG DBL_MANT_DIG
2023# endif
06fc1729
JH
2024# ifdef DBL_MIN
2025# define NV_MIN DBL_MIN
2026# endif
2027# ifdef DBL_MAX
2028# define NV_MAX DBL_MAX
2029# endif
40bca5ae
JH
2030# ifdef DBL_MIN_EXP
2031# define NV_MIN_EXP DBL_MIN_EXP
2032# endif
2033# ifdef DBL_MAX_EXP
2034# define NV_MAX_EXP DBL_MAX_EXP
2035# endif
06fc1729
JH
2036# ifdef DBL_MIN_10_EXP
2037# define NV_MIN_10_EXP DBL_MIN_10_EXP
2038# endif
2039# ifdef DBL_MAX_10_EXP
2040# define NV_MAX_10_EXP DBL_MAX_10_EXP
2041# endif
2042# ifdef DBL_EPSILON
2043# define NV_EPSILON DBL_EPSILON
2044# endif
205f51d8 2045# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
2046# define NV_MAX DBL_MAX
2047# define NV_MIN DBL_MIN
2048# else
2049# ifdef HUGE_VAL
2050# define NV_MAX HUGE_VAL
2051# endif
2052# endif
940e3d56 2053
55da5e5b 2054/* These math interfaces are C89. */
8a00eddc
JH
2055# define Perl_acos acos
2056# define Perl_asin asin
2057# define Perl_atan atan
940e3d56
JH
2058# define Perl_atan2 atan2
2059# define Perl_ceil ceil
2060# define Perl_cos cos
8a00eddc 2061# define Perl_cosh cosh
940e3d56 2062# define Perl_exp exp
55da5e5b 2063/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH
2064# define Perl_floor floor
2065# define Perl_fmod fmod
2066# define Perl_log log
8a00eddc 2067# define Perl_log10 log10
940e3d56
JH
2068# define Perl_pow pow
2069# define Perl_sin sin
8a00eddc 2070# define Perl_sinh sinh
940e3d56 2071# define Perl_sqrt sqrt
8a00eddc
JH
2072# define Perl_tan tan
2073# define Perl_tanh tanh
940e3d56
JH
2074
2075# define Perl_modf(x,y) modf(x,y)
2076# define Perl_frexp(x,y) frexp(x,y)
2077# define Perl_ldexp(x,y) ldexp(x,y)
2078
1a322af2
JH
2079# ifndef Perl_isnan
2080# ifdef HAS_ISNAN
2081# define Perl_isnan(x) isnan(x)
2082# endif
2083# endif
2084# ifndef Perl_isinf
2085# if defined(HAS_ISINF)
2086# define Perl_isinf(x) isinf(x)
bcd8bfa9 2087# elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2088# define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1a322af2
JH
2089# endif
2090# endif
2091# ifndef Perl_isfinite
2092# ifdef HAS_ISFINITE
2093# define Perl_isfinite(x) isfinite(x)
2094# elif defined(HAS_FINITE)
2095# define Perl_isfinite(x) finite(x)
2096# endif
2097# endif
758a5d79
JH
2098#endif
2099
30404d48
JH
2100/* fpclassify(): C99. It is supposed to be a macro that switches on
2101* the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2102#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2103# include <math.h>
25c46df8
JH
2104# if defined(FP_INFINITE) && defined(FP_NAN)
2105# define Perl_fp_class(x) fpclassify(x)
2106# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2107# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2108# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2109# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2110# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2111# elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2112/* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2113 * actually not the C99 fpclassify, with its own set of return defines. */
2114# define Perl_fp_class(x) fpclassify(x)
2115# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2116# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
82947af8 2117# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
25c46df8
JH
2118# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2119# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1ae51000 2120# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
25c46df8
JH
2121# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2122# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2123# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2124# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2125# else
2126# undef Perl_fp_class /* Unknown set of defines */
2127# endif
30404d48
JH
2128#endif
2129
25c46df8
JH
2130/* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2131 * are identical to the C99 fpclassify(). */
2132#if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2133# include <math.h>
558f3e66
CB
2134# ifdef __VMS
2135 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2136# include <fp.h>
56610b8f
CB
2137 /* oh, and the isnormal macro has a typo in it! */
2138# undef isnormal
2139# define isnormal(x) Perl_fp_class_norm(x)
558f3e66 2140# endif
25c46df8
JH
2141# if defined(FP_INFINITE) && defined(FP_NAN)
2142# define Perl_fp_class(x) fp_classify(x)
2143# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2144# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2145# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2146# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2147# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2148# else
2149# undef Perl_fp_class /* Unknown set of defines */
2150# endif
f279e099 2151#endif
205f51d8 2152
30404d48
JH
2153/* Feel free to check with me for the SGI manpages, SGI testing,
2154 * etcetera, if you want to try getting this to work with IRIX.
2155 *
2156 * - Allen <allens@cpan.org> */
2157
2158/* fpclass(): SysV, at least Solaris and some versions of IRIX. */
758a5d79 2159#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
25c46df8
JH
2160/* Solaris and IRIX have fpclass/fpclassl, but they are using
2161 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2162 * Define some symbols also as cpp symbols so we can detect them. */
2163# if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2164# define FP_PINF FP_PINF
2165# define FP_QNAN FP_QNAN
2166# endif
f279e099 2167# include <math.h>
758a5d79
JH
2168# ifdef I_IEEFP
2169# include <ieeefp.h>
2170# endif
2171# ifdef I_FP
2172# include <fp.h>
2173# endif
2174# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
f279e099 2175# define Perl_fp_class(x) fpclassl(x)
758a5d79 2176# else
f279e099
JH
2177# define Perl_fp_class(x) fpclass(x)
2178# endif
25c46df8 2179# if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
f279e099
JH
2180# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2181# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2182# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2183# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2184# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2185# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2186# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2187# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2188# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2189# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
25c46df8 2190# elif defined(FP_PINF) && defined(FP_QNAN)
f279e099
JH
2191# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2192# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2193# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2194# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2195# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2196# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2197# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2198# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2199# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2200# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
25c46df8
JH
2201# else
2202# undef Perl_fp_class /* Unknown set of defines */
758a5d79 2203# endif
758a5d79
JH
2204#endif
2205
30404d48
JH
2206/* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2207#if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
758a5d79
JH
2208# include <math.h>
2209# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2210# include <fp_class.h>
2211# endif
25c46df8
JH
2212# if defined(FP_POS_INF) && defined(FP_QNAN)
2213# ifdef __irix__ /* XXX Configure test instead */
2214# ifdef USE_LONG_DOUBLE
2215# define Perl_fp_class(x) fp_class_l(x)
2216# else
2217# define Perl_fp_class(x) fp_class_d(x)
2218# endif
f279e099 2219# else
25c46df8
JH
2220# if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2221# define Perl_fp_class(x) fp_classl(x)
2222# else
2223# define Perl_fp_class(x) fp_class(x)
2224# endif
f279e099 2225# endif
25c46df8
JH
2226# if defined(FP_POS_INF) && defined(FP_QNAN)
2227# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2228# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2229# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2230# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2231# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2232# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2233# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2234# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2235# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2236# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
30404d48 2237# else
25c46df8 2238# undef Perl_fp_class /* Unknown set of defines */
30404d48 2239# endif
f279e099 2240# endif
30404d48
JH
2241#endif
2242
052758ae 2243/* class(), _class(): Legacy: AIX. */
758a5d79
JH
2244#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2245# include <math.h>
25c46df8
JH
2246# if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2247# ifndef _cplusplus
2248# define Perl_fp_class(x) class(x)
2249# else
2250# define Perl_fp_class(x) _class(x)
2251# endif
2252# if defined(FP_PLUS_INF) && defined(FP_NANQ)
2253# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2254# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2255# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2256# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2257# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2258# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2259# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2260# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2261# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2262# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2263# else
2264# undef Perl_fp_class /* Unknown set of defines */
2265# endif
758a5d79 2266# endif
30404d48
JH
2267#endif
2268
2269/* Win32: _fpclass(), _isnan(), _finite(). */
796ea9ea
JH
2270#ifdef WIN32
2271# ifndef Perl_isnan
2272# define Perl_isnan(x) _isnan(x)
2273# endif
2274# ifndef Perl_isfinite
2275# define Perl_isfinite(x) _finite(x)
2276# endif
2277# ifndef Perl_fp_class_snan
25c46df8
JH
2278/* No simple way to #define Perl_fp_class because _fpclass()
2279 * returns a set of bits. */
796ea9ea
JH
2280# define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2281# define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
82947af8 2282# define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
796ea9ea
JH
2283# define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2284# define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2285# define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2286# define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2287# define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2288# define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2289# define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2290# define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2291# define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2292# define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2293# define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2294# define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2295# endif
f279e099
JH
2296#endif
2297
2298#if !defined(Perl_fp_class_inf) && \
2299 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2300# define Perl_fp_class_inf(x) \
2301 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2302#endif
2303
2304#if !defined(Perl_fp_class_nan) && \
2305 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2306# define Perl_fp_class_nan(x) \
2307 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2308#endif
2309
2310#if !defined(Perl_fp_class_zero) && \
2311 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2312# define Perl_fp_class_zero(x) \
2313 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2314#endif
2315
2316#if !defined(Perl_fp_class_norm) && \
2317 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2318# define Perl_fp_class_norm(x) \
2319 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2320#endif
2321
2322#if !defined(Perl_fp_class_denorm) && \
2323 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2324# define Perl_fp_class_denorm(x) \
2325 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
796ea9ea 2326#endif
758a5d79 2327
1a322af2
JH
2328#ifdef UNDER_CE
2329int isnan(double d);
2330#endif
2331
758a5d79 2332#ifndef Perl_isnan
1a322af2
JH
2333# ifdef Perl_fp_class_nan
2334# define Perl_isnan(x) Perl_fp_class_nan(x)
758a5d79 2335# else
1a322af2
JH
2336# ifdef HAS_UNORDERED
2337# define Perl_isnan(x) unordered((x), 0.0)
758a5d79 2338# else
1a322af2 2339# define Perl_isnan(x) ((x)!=(x))
758a5d79
JH
2340# endif
2341# endif
2342#endif
2343
1a322af2
JH
2344#ifndef Perl_isinf
2345# ifdef Perl_fp_class_inf
2346# define Perl_isinf(x) Perl_fp_class_inf(x)
2347# endif
ca6c63e1
JH
2348#endif
2349
758a5d79 2350#ifndef Perl_isfinite
25c46df8 2351# if defined(HAS_ISFINITE) && !defined(isfinite)
c496ca58 2352# define Perl_isfinite(x) isfinite((double)(x))
4efd38a4 2353# elif defined(HAS_FINITE)
c496ca58 2354# define Perl_isfinite(x) finite((double)(x))
4efd38a4
JH
2355# elif defined(Perl_fp_class_finite)
2356# define Perl_isfinite(x) Perl_fp_class_finite(x)
758a5d79 2357# else
c496ca58
JH
2358/* For the infinities the multiplication returns nan,
2359 * for the nan the multiplication also returns nan,
2360 * for everything else (that is, finite) zero should be returned. */
4efd38a4 2361# define Perl_isfinite(x) (((x) * 0) == 0)
a3540c92 2362# endif
65202027
DS
2363#endif
2364
25c46df8
JH
2365#ifndef Perl_isinf
2366# if defined(Perl_isfinite) && defined(Perl_isnan)
2367# define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2368# endif
2369#endif
2370
d3685250
JH
2371/* We need Perl_isfinitel (ends with ell) (if available) even when
2372 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2373 * needs that. */
2374#if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2375/* If isfinite() is a macro and looks like we have C99,
2376 * we assume it's the type-aware C99 isfinite(). */
c06e9e3e 2377# if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
d3685250
JH
2378# define Perl_isfinitel(x) isfinite(x)
2379# elif defined(HAS_ISFINITEL)
2380# define Perl_isfinitel(x) isfinitel(x)
2381# elif defined(HAS_FINITEL)
2382# define Perl_isfinitel(x) finitel(x)
2383# elif defined(HAS_INFL) && defined(HAS_NANL)
2384# define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
16334e6e 2385# else
99bf9e32 2386# define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
d3685250
JH
2387# endif
2388#endif
2389
a36244b7
JH
2390/* The default is to use Perl's own atof() implementation (in numeric.c).
2391 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2392 * it is however best to use the native implementation of atof.
2393 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2394 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2395 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2396 * you may need to be using a different function than atof! */
a36244b7
JH
2397
2398#ifndef USE_PERL_ATOF
2399# ifndef _UNICOS
2400# define USE_PERL_ATOF
2401# endif
2402#else
2403# if USE_PERL_ATOF == 0
2404# undef USE_PERL_ATOF
2405# endif
2406#endif
2407
2408#ifdef USE_PERL_ATOF
2409# define Perl_atof(s) Perl_my_atof(s)
2410# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2411#else
2412# define Perl_atof(s) (NV)atof(s)
2413# define Perl_atof2(s, n) ((n) = atof(s))
2414#endif
cf2093f6 2415
d460ef45 2416/* Previously these definitions used hardcoded figures.
760ac839
LW
2417 * It is hoped these formula are more portable, although
2418 * no data one way or another is presently known to me.
2419 * The "PERL_" names are used because these calculated constants
2420 * do not meet the ANSI requirements for LONG_MAX, etc., which
2421 * need to be constants acceptable to #if - kja
2422 * define PERL_LONG_MAX 2147483647L
2423 * define PERL_LONG_MIN (-LONG_MAX - 1)
2424 * define PERL ULONG_MAX 4294967295L
2425 */
2426
2427#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2428# include <limits.h>
760ac839 2429#endif
205f51d8 2430/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2431 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2432
99abf803
PP
2433/*
2434 * Try to figure out max and min values for the integral types. THE CORRECT
2435 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2436 * following hacks are used if neither limits.h or values.h provide them:
2437 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2438 * for types < int: (unsigned TYPE)~(unsigned)0
2439 * The argument to ~ must be unsigned so that later signed->unsigned
2440 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2441 * and it must not be smaller than int because ~ does integral promotion.
2442 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2443 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2444 * The latter is a hack which happens to work on some machines but
2445 * does *not* catch any random system, or things like integer types
2446 * with NaN if that is possible.
2447 *
2448 * All of the types are explicitly cast to prevent accidental loss of
2449 * numeric range, and in the hope that they will be less likely to confuse
2450 * over-eager optimizers.
2451 *
2452 */
27d4fb96 2453
99abf803
PP
2454#define PERL_UCHAR_MIN ((unsigned char)0)
2455
2456#ifdef UCHAR_MAX
2457# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2458#else
99abf803
PP
2459# ifdef MAXUCHAR
2460# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2461# else
99abf803 2462# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2463# endif
2464#endif
d460ef45 2465
99abf803
PP
2466/*
2467 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2468 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2469 * depending on local options. Until Configure detects this (or at least
2470 * detects whether the "signed" keyword is available) the CHAR ranges
2471 * will not be included. UCHAR functions normally.
2472 * - kja
2473 */
27d4fb96 2474
99abf803
PP
2475#define PERL_USHORT_MIN ((unsigned short)0)
2476
2477#ifdef USHORT_MAX
2478# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2479#else
99abf803
PP
2480# ifdef MAXUSHORT
2481# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2482# else
ef2f54b0
CB
2483# ifdef USHRT_MAX
2484# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2485# else
2486# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2487# endif
27d4fb96
PP
2488# endif
2489#endif
2490
27d4fb96 2491#ifdef SHORT_MAX
99abf803 2492# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2493#else
2494# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2495# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2496# else
ef2f54b0
CB
2497# ifdef SHRT_MAX
2498# define PERL_SHORT_MAX ((short)SHRT_MAX)
2499# else
2500# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2501# endif
27d4fb96
PP
2502# endif
2503#endif
2504
2505#ifdef SHORT_MIN
99abf803 2506# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2507#else
2508# ifdef MINSHORT
99abf803 2509# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2510# else
ef2f54b0
CB
2511# ifdef SHRT_MIN
2512# define PERL_SHORT_MIN ((short)SHRT_MIN)
2513# else
2514# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2515# endif
27d4fb96
PP
2516# endif
2517#endif
2518
99abf803
PP
2519#ifdef UINT_MAX
2520# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2521#else
99abf803
PP
2522# ifdef MAXUINT
2523# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2524# else
99abf803 2525# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2526# endif
2527#endif
2528
99abf803 2529#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2530
2531#ifdef INT_MAX
99abf803 2532# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2533#else
2534# ifdef MAXINT /* Often used in <values.h> */
99abf803 2535# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2536# else
99abf803 2537# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2538# endif
2539#endif
2540
2541#ifdef INT_MIN
99abf803 2542# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2543#else
2544# ifdef MININT
99abf803 2545# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2546# else
2547# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2548# endif
2549#endif
2550
99abf803
PP
2551#ifdef ULONG_MAX
2552# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2553#else
99abf803
PP
2554# ifdef MAXULONG
2555# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2556# else
99abf803 2557# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2558# endif
2559#endif
2560
99abf803 2561#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2562
760ac839 2563#ifdef LONG_MAX
99abf803 2564# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2565#else
2566# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2567# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2568# else
99abf803 2569# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2570# endif
2571#endif
2572
2573#ifdef LONG_MIN
99abf803 2574# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2575#else
2576# ifdef MINLONG
99abf803 2577# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2578# else
27d4fb96 2579# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2580# endif
2581#endif
2582
d7d93a81 2583#ifdef UV_IS_QUAD
99abf803 2584
99abf803 2585# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2586# define PERL_UQUAD_MIN ((UV)0)
99abf803 2587# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2588# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2589
79072805
LW
2590#endif
2591
ee0007ab 2592typedef MEM_SIZE STRLEN;
450a55e4 2593
79072805
LW
2594typedef struct op OP;
2595typedef struct cop COP;
2596typedef struct unop UNOP;
2597typedef struct binop BINOP;
2598typedef struct listop LISTOP;
2599typedef struct logop LOGOP;
79072805
LW
2600typedef struct pmop PMOP;
2601typedef struct svop SVOP;
7934575e 2602typedef struct padop PADOP;
79072805 2603typedef struct pvop PVOP;
79072805
LW
2604typedef struct loop LOOP;
2605
7aef8e5b 2606#ifdef PERL_CORE
8be227ab
FC
2607typedef struct opslab OPSLAB;
2608typedef struct opslot OPSLOT;
2609#endif
2610
52db365a 2611typedef struct block_hooks BHK;
1830b3d9 2612typedef struct custom_op XOP;
52db365a 2613
cd1541b2
NC
2614typedef struct interpreter PerlInterpreter;
2615
d2b3f365 2616/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2617#if defined(__sgi)
d2b3f365 2618# define STRUCT_SV perl_sv
b8d3c5db
JH
2619#else
2620# define STRUCT_SV sv
2621#endif
2622typedef struct STRUCT_SV SV;
79072805
LW
2623typedef struct av AV;
2624typedef struct hv HV;
2625typedef struct cv CV;
d2f13c59 2626typedef struct p5rx REGEXP;
79072805 2627typedef struct gp GP;
0c30d9ec 2628typedef struct gv GV;
8990e307 2629typedef struct io IO;
c09156bb 2630typedef struct context PERL_CONTEXT;
79072805
LW
2631typedef struct block BLOCK;
2632
2633typedef struct magic MAGIC;
2634typedef struct xpv XPV;
2635typedef struct xpviv XPVIV;
ff68c719 2636typedef struct xpvuv XPVUV;
79072805
LW
2637typedef struct xpvnv XPVNV;
2638typedef struct xpvmg XPVMG;
2639typedef struct xpvlv XPVLV;
d361b004 2640typedef struct xpvinvlist XINVLIST;
79072805
LW
2641typedef struct xpvav XPVAV;
2642typedef struct xpvhv XPVHV;
2643typedef struct xpvgv XPVGV;
2644typedef struct xpvcv XPVCV;
2645typedef struct xpvbm XPVBM;
2646typedef struct xpvfm XPVFM;
8990e307 2647typedef struct xpvio XPVIO;
79072805
LW
2648typedef struct mgvtbl MGVTBL;
2649typedef union any ANY;
5f7fde29
GS
2650typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2651typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2652typedef struct clone_params CLONE_PARAMS;
2653
35e035cc 2654/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2655 * so hide the type. */
2656typedef struct padlist PADLIST;
67634234 2657typedef AV PAD;
35e035cc
FC
2658typedef AV PADNAMELIST;
2659typedef SV PADNAME;
67634234 2660
13b0f67d
DM
2661/* enable PERL_NEW_COPY_ON_WRITE by default */
2662#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2663# define PERL_NEW_COPY_ON_WRITE
2664#endif
07d01d6e 2665
db2c6cb3
FC
2666#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2667# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2668# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2669# else
2670# define PERL_ANY_COW
2671# endif
9f351b45
DM
2672#else
2673# define PERL_SAWAMPERSAND
db2c6cb3
FC
2674#endif
2675
40653c20
FC
2676#if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2677# error PERL_DEBUG_READONLY_OPS only works with ithreads
2678#endif
2679
378cc40b 2680#include "handy.h"
a0d0e21e 2681
6b8eaf93 2682#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2683# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2684# define USE_64_BIT_RAWIO /* implicit */
2685# endif
4564133c
JH
2686#endif
2687
6b8eaf93
JH
2688/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2689 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2690 * however, because operating systems like to do that themself. */
2691#ifndef FSEEKSIZE
2692# ifdef HAS_FSEEKO
2693# define FSEEKSIZE LSEEKSIZE
2694# else
2695# define FSEEKSIZE LONGSIZE
d460ef45 2696# endif
6b8eaf93
JH
2697#endif
2698
2699#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2700# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2701# define USE_64_BIT_STDIO /* implicit */
2702# endif
2703#endif
4564133c 2704
09458382 2705#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2706# ifdef HAS_OFF64_T
2707# undef Off_t
2708# define Off_t off64_t
2709# undef LSEEKSIZE
2710# define LSEEKSIZE 8
5ff3f7a4 2711# endif
d9b3e12d
JH
2712/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2713 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2714 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2715# if defined(USE_OPEN64)
2716# define open open64
5ff3f7a4 2717# endif
d9b3e12d
JH
2718# if defined(USE_LSEEK64)
2719# define lseek lseek64
6b8eaf93
JH
2720# else
2721# if defined(USE_LLSEEK)
2722# define lseek llseek
2723# endif
d9b3e12d
JH
2724# endif
2725# if defined(USE_STAT64)
2726# define stat stat64
2727# endif
2728# if defined(USE_FSTAT64)
2729# define fstat fstat64
2730# endif
2731# if defined(USE_LSTAT64)
2732# define lstat lstat64
2733# endif
2734# if defined(USE_FLOCK64)
2735# define flock flock64
2736# endif
2737# if defined(USE_LOCKF64)
2738# define lockf lockf64
2739# endif
2740# if defined(USE_FCNTL64)
2741# define fcntl fcntl64
2742# endif
2743# if defined(USE_TRUNCATE64)
2744# define truncate truncate64
2745# endif
2746# if defined(USE_FTRUNCATE64)
2747# define ftruncate ftruncate64
2748# endif
2749#endif
2750
2751#ifdef USE_64_BIT_STDIO
2752# ifdef HAS_FPOS64_T
2753# undef Fpos_t
2754# define Fpos_t fpos64_t
2755# endif
2756/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2757 * will trigger defines like the ones below. Some 64-bit environments,
2758 * however, do not. */
2759# if defined(USE_FOPEN64)
2760# define fopen fopen64
2761# endif
2762# if defined(USE_FSEEK64)
6b8eaf93 2763# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2764# endif
2765# if defined(USE_FTELL64)
6b8eaf93 2766# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2767# endif
2768# if defined(USE_FSETPOS64)
2769# define fsetpos fsetpos64
2770# endif
2771# if defined(USE_FGETPOS64)
2772# define fgetpos fgetpos64
2773# endif
2774# if defined(USE_TMPFILE64)
2775# define tmpfile tmpfile64
2776# endif
2777# if defined(USE_FREOPEN64)
2778# define freopen freopen64
5ff3f7a4
GS
2779# endif
2780#endif
2781
e37778c2 2782#if defined(OS2)
2c2d71f5
JH
2783# include "iperlsys.h"
2784#endif
2785
748a9306 2786#ifdef DOSISH
19848b3f
JH
2787# if defined(OS2)
2788# include "os2ish.h"
2789# else
2790# include "dosish.h"
2791# endif
009819bb 2792#elif defined(VMS)
748a9306 2793# include "vmsish.h"
009819bb 2794#elif defined(PLAN9)
19848b3f 2795# include "./plan9/plan9ish.h"
009819bb 2796#elif defined(__VOS__)
196918b0
PG
2797# ifdef __GNUC__
2798# include "./vos/vosish.h"
2799# else
2800# include "vos/vosish.h"
2801# endif
009819bb 2802#elif defined(__SYMBIAN32__)
27da23d5 2803# include "symbian/symbianish.h"
009819bb 2804#elif defined(__HAIKU__)
df00ff3b 2805# include "haiku/haikuish.h"
009819bb 2806#else
19848b3f 2807# include "unixish.h"
13b6e58c
JH
2808#endif
2809
2946a158
JH
2810/* NSIG logic from Configure --> */
2811/* Strange style to avoid deeply-nested #if/#else/#endif */
2812#ifndef NSIG
2813# ifdef _NSIG
2814# define NSIG (_NSIG)
2815# endif
2816#endif
2817
2818#ifndef NSIG
2819# ifdef SIGMAX
2820# define NSIG (SIGMAX+1)
2821# endif
2822#endif
2823
2824#ifndef NSIG
2825# ifdef SIG_MAX
2826# define NSIG (SIG_MAX+1)
2827# endif
2828#endif
2829
2830#ifndef NSIG
2831# ifdef _SIG_MAX
2832# define NSIG (_SIG_MAX+1)
2833# endif
2834#endif
2835
2836#ifndef NSIG
2837# ifdef MAXSIG
2838# define NSIG (MAXSIG+1)
2839# endif
2840#endif
2841
2842#ifndef NSIG
2843# ifdef MAX_SIG
2844# define NSIG (MAX_SIG+1)
2845# endif
2846#endif
2847
2848#ifndef NSIG
2849# ifdef SIGARRAYSIZE
2850# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2851# endif
2852#endif
2853
2854#ifndef NSIG
2855# ifdef _sys_nsig
2856# define NSIG (_sys_nsig) /* Solaris 2.5 */
2857# endif
2858#endif
2859
2860/* Default to some arbitrary number that's big enough to get most
2861 of the common signals.
2862*/
2863#ifndef NSIG
2864# define NSIG 50
2865#endif
2866/* <-- NSIG logic from Configure */
2867
13b6e58c
JH
2868#ifndef NO_ENVIRON_ARRAY
2869# define USE_ENVIRON_ARRAY
2870#endif
32f822de 2871
c77b533b
JH
2872/*
2873 * initialise to avoid floating-point exceptions from overflow, etc
2874 */
2875#ifndef PERL_FPU_INIT
2876# ifdef HAS_FPSETMASK
2877# if HAS_FLOATINGPOINT_H
2878# include <floatingpoint.h>
2879# endif
ad3a8c67
NC
2880/* Some operating systems have this as a macro, which in turn expands to a comma
2881 expression, and the last sub-expression is something that gets calculated,
2882 and then they have the gall to warn that a value computed is not used. Hence
2883 cast to void. */
2884# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2885# else
2f42fcb0 2886# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2887# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2888# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2889# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2890# else
2891# define PERL_FPU_INIT
2f42fcb0 2892
7014c407 2893# endif
c77b533b
JH
2894# endif
2895#endif
b35112e7
CS
2896#ifndef PERL_FPU_PRE_EXEC
2897# define PERL_FPU_PRE_EXEC {
2898# define PERL_FPU_POST_EXEC }
2899#endif
c77b533b 2900
a308b05a
JH
2901/* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2902 * We need to reenable the "invalid" trap because otherwise generation
2903 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2904 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2905#ifdef __osf__
2906# include <machine/fpu.h>
2907# define PERL_SYS_FPU_INIT \
2908 STMT_START { \
2909 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2910 signal(SIGFPE, SIG_IGN); \
2911 } STMT_END
2912#endif
2913
2914#ifndef PERL_SYS_FPU_INIT
2915# define PERL_SYS_FPU_INIT NOOP
2916#endif
2917
cbec8ebe
DM
2918#ifndef PERL_SYS_INIT3_BODY
2919# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2920#endif
2921
eb533572 2922/*
dcccc8ff
KW
2923=head1 Miscellaneous Functions
2924
4ad9e498 2925=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2926Provides system-specific tune up of the C runtime environment necessary to
72d33970 2927run Perl interpreters. This should be called only once, before creating
eb533572
DM
2928any Perl interpreters.
2929
4ad9e498 2930=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2931Provides system-specific tune up of the C runtime environment necessary to
72d33970 2932run Perl interpreters. This should be called only once, before creating
eb533572
DM
2933any Perl interpreters.
2934
2935=for apidoc Am|void|PERL_SYS_TERM|
2936Provides system-specific clean up of the C runtime environment after
72d33970 2937running Perl interpreters. This should be called only once, after
eb533572
DM
2938freeing any remaining Perl interpreters.
2939
2940=cut
2941 */
2942
cbec8ebe
DM
2943#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2944#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2945#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2946
be708cc0
JH
2947#ifndef PERL_WRITE_MSG_TO_CONSOLE
2948# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2949#endif
2950
0f31cffe
GS
2951#ifndef MAXPATHLEN
2952# ifdef PATH_MAX
b990c8b2
JH
2953# ifdef _POSIX_PATH_MAX
2954# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2955/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2956 * included the null byte or not. Later amendments of POSIX,
2957 * XPG4, the Austin Group, and the Single UNIX Specification
2958 * all explicitly include the null byte in the PATH_MAX.
2959 * Ditto for _POSIX_PATH_MAX. */
2960# define MAXPATHLEN PATH_MAX
b990c8b2 2961# else
09448d78 2962# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2963# endif
2964# else
2965# define MAXPATHLEN (PATH_MAX+1)
2966# endif
0f31cffe 2967# else
d552bce8 2968# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2969# endif
2970#endif
2971
c80263a8
SH
2972/* In case Configure was not used (we are using a "canned config"
2973 * such as Win32, or a cross-compilation setup, for example) try going
2974 * by the gcc major and minor versions. One useful URL is
2975 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2976 * but contrary to this information warn_unused_result seems
2977 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2978 * Also, when building extensions with an installed perl, this allows
2979 * the user to upgrade gcc and get the right attributes, rather than
2980 * relying on the list generated at Configure time. --AD
c80263a8
SH
2981 * Set these up now otherwise we get confused when some of the <*thread.h>
2982 * includes below indirectly pull in <perlio.h> (which needs to know if we
2983 * have HASATTRIBUTE_FORMAT).
2984 */
2985
4d7c7898 2986#ifndef PERL_MICRO
fc2007d4 2987#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2988# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2989# define HASATTRIBUTE_DEPRECATED
2990# endif
c80263a8
SH
2991# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2992# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2993# if defined __MINGW32__
2994# define PRINTF_FORMAT_NULL_OK
2995# endif
c80263a8
SH
2996# endif
2997# if __GNUC__ >= 3 /* 3.0 -> */
2998# define HASATTRIBUTE_MALLOC
2999# endif
3000# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3001# define HASATTRIBUTE_NONNULL
3002# endif
3003# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3004# define HASATTRIBUTE_NORETURN
3005# endif
3006# if __GNUC__ >= 3 /* gcc 3.0 -> */
3007# define HASATTRIBUTE_PURE
3008# endif
42bf5550 3009# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
3010# define HASATTRIBUTE_UNUSED
3011# endif
d324fe49
AD
3012# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3013# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3014# endif
c80263a8
SH
3015# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3016# define HASATTRIBUTE_WARN_UNUSED_RESULT
3017# endif
3018#endif
00f254e2 3019#endif /* #ifndef PERL_MICRO */
c80263a8 3020
3db8f154 3021/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 3022 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
3023 * this results in many functions being undeclared which bothers C++
3024 * May make sense to have threads after "*ish.h" anyway
3025 */
3026
3db8f154 3027#if defined(USE_ITHREADS)
2986a63f
JH
3028# ifdef NETWARE
3029# include <nw5thread.h>
3030# else
32f822de
GS
3031# ifdef WIN32
3032# include <win32thread.h>
3033# else
dd96f567
IZ
3034# ifdef OS2
3035# include "os2thread.h"
3036# else
7f3d1cf1 3037# ifdef I_MACH_CTHREADS
bdd66968 3038# include <mach/cthreads.h>
7f3d1cf1
BH
3039typedef cthread_t perl_os_thread;
3040typedef mutex_t perl_mutex;
3041typedef condition_t perl_cond;
3042typedef void * perl_key;
3043# else /* Posix threads */
1f5ae88c
JH
3044# ifdef I_PTHREAD
3045# include <pthread.h>
3046# endif
7f3d1cf1
BH
3047typedef pthread_t perl_os_thread;
3048typedef pthread_mutex_t perl_mutex;
3049typedef pthread_cond_t perl_cond;
3050typedef pthread_key_t perl_key;
3051# endif /* I_MACH_CTHREADS */
dd96f567 3052# endif /* OS2 */
32f822de 3053# endif /* WIN32 */
ef4abe76 3054# endif /* NETWARE */
3db8f154 3055#endif /* USE_ITHREADS */
c5be433b 3056
66a93824 3057#if defined(WIN32)
1feb2720 3058# include "win32.h"
c5be433b
GS
3059#endif
3060
2986a63f
JH
3061#ifdef NETWARE
3062# include "netware.h"
3063#endif
3064
e5218da5 3065#define STATUS_UNIX PL_statusvalue
68dc0745 3066#ifdef VMS
6b88bc9c 3067# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
3068/*
3069 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 3070 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
3071 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3072 * be updated also.
3073 */
3074# include <stsdef.h>
3075# include <ssdef.h>
3076/* Presume this because if VMS changes it, it will require a new
3077 * set of APIs for waiting on children for binary compatibility.
3078 */
3079# define child_offset_bits (8)
3080# ifndef C_FAC_POSIX
3081# define C_FAC_POSIX 0x35A000
3082# endif
3083
3084/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3085 * platform from the existing UNIX or Native status values.
3086 */
3087
37038d91 3088# define STATUS_EXIT \
7a7fd8e0
JM
3089 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3090 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3091
7a7fd8e0 3092
fb38d079
JM
3093/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3094 * exit code and shifts the UNIX value over the correct number of bits to
3095 * be a child status. Usually the number of bits is 8, but that could be
3096 * platform dependent. The NATIVE status code is presumed to have either
3097 * from a child process.
7a7fd8e0
JM
3098 */
3099
fb38d079
JM
3100/* This is complicated. The child processes return a true native VMS
3101 status which must be saved. But there is an assumption in Perl that
3102 the UNIX child status has some relationship to errno values, so
00f254e2 3103 Perl tries to translate it to text in some of the tests.
fb38d079
JM
3104 In order to get the string translation correct, for the error, errno
3105 must be EVMSERR, but that generates a different text message
3106 than what the test programs are expecting. So an errno value must
3107 be derived from the native status value when an error occurs.
3108 That will hide the true native status message. With this version of
3109 perl, the true native child status can always be retrieved so that
3110 is not a problem. But in this case, Pl_statusvalue and errno may
3111 have different values in them.
3112 */
7a7fd8e0 3113
fb38d079 3114# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 3115 STMT_START { \
2fbb330f
JM
3116 I32 evalue = (I32)n; \
3117 if (evalue == EVMSERR) { \
3118 PL_statusvalue_vms = vaxc$errno; \
3119 PL_statusvalue = evalue; \
7a7fd8e0 3120 } else { \
2fbb330f 3121 PL_statusvalue_vms = evalue; \
fb38d079 3122 if (evalue == -1) { \
3280af22 3123 PL_statusvalue = -1; \
7a7fd8e0
JM
3124 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3125 } else \
fb38d079 3126 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 3127 set_vaxc_errno(evalue); \
fb38d079
JM
3128 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3129 set_errno(EVMSERR); \
3130 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3131 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 3132 } \
68dc0745 3133 } STMT_END
7a7fd8e0 3134
68dc0745 3135# ifdef VMSISH_STATUS
e5218da5 3136# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 3137# else
e5218da5 3138# define STATUS_CURRENT STATUS_UNIX
68dc0745 3139# endif
7a7fd8e0
JM
3140
3141 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3142 * the NATIVE status to an equivalent value. Can not be used to translate
3143 * exit code values as exit code values are not guaranteed to have any
3144 * relationship at all to errno values.
3145 * This is used when Perl is forcing errno to have a specific value.
3146 */
e5218da5 3147# define STATUS_UNIX_SET(n) \
68dc0745 3148 STMT_START { \
7a7fd8e0 3149 I32 evalue = (I32)n; \
0968cdad 3150 PL_statusvalue = evalue; \
3280af22 3151 if (PL_statusvalue != -1) { \
0968cdad
JM
3152 if (PL_statusvalue != EVMSERR) { \
3153 PL_statusvalue &= 0xFFFF; \
3154 if (MY_POSIX_EXIT) \
3155 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3156 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3157 } \
3158 else { \
3159 PL_statusvalue_vms = vaxc$errno; \
3160 } \
68dc0745 3161 } \
0968cdad
JM
3162 else PL_statusvalue_vms = SS$_ABORT; \
3163 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
3164 } STMT_END
3165
3166 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
3167 * the NATIVE error status based on it.
3168 *
3169 * When in the default mode to comply with the Perl VMS documentation,
3170 * 0 is a success and any other code sets the NATIVE status to a failure
3171 * code of SS$_ABORT.
fb38d079
JM
3172 *
3173 * In the new POSIX EXIT mode, native status will be set so that the
3174 * actual exit code will can be retrieved by the calling program or
3175 * shell.
3176 *
3177 * If the exit code is not clearly a UNIX parent or child exit status,
3178 * it will be passed through as a VMS status.
7a7fd8e0
JM
3179 */
3180
fb38d079 3181# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
3182 STMT_START { \
3183 I32 evalue = (I32)n; \
3184 PL_statusvalue = evalue; \
e08e1e1d
JM
3185 if (MY_POSIX_EXIT) { \
3186 if (evalue <= 0xFF00) { \
3187 if (evalue > 0xFF) \
3188 evalue = (evalue >> child_offset_bits) & 0xFF; \
3189 PL_statusvalue_vms = \
3190 (C_FAC_POSIX | (evalue << 3 ) | \
3191 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3192 } else /* forgive them Perl, for they have sinned */ \
3193 PL_statusvalue_vms = evalue; \
3194 } else { \
3195 if (evalue == 0) \
3196 PL_statusvalue_vms = SS$_NORMAL; \
3197 else if (evalue <= 0xFF00) \
3198 PL_statusvalue_vms = SS$_ABORT; \
3199 else { /* forgive them Perl, for they have sinned */ \
3200 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3201 else PL_statusvalue_vms = vaxc$errno; \
3202 /* And obviously used a VMS status value instead of UNIX */ \
3203 PL_statusvalue = EVMSERR; \
3204 } \
3205 set_vaxc_errno(PL_statusvalue_vms); \
3206 } \
68dc0745 3207 } STMT_END
fb38d079 3208
e08e1e1d 3209
6ac6a52b
JM
3210 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3211 * and sets the NATIVE error status based on it. This special case
3212 * is needed to maintain compatibility with past VMS behavior.
3213 *
3214 * In the default mode on VMS, this number is passed through as
3215 * both the NATIVE and UNIX status. Which makes it different
3216 * that the STATUS_UNIX_EXIT_SET.
3217 *
3218 * In the new POSIX EXIT mode, native status will be set so that the
3219 * actual exit code will can be retrieved by the calling program or
3220 * shell.
3221 *
1a3aec58
JM
3222 * A POSIX exit code is from 0 to 255. If the exit code is higher
3223 * than this, it needs to be assumed that it is a VMS exit code and
3224 * passed through.
6ac6a52b
JM
3225 */
3226
3227# define STATUS_EXIT_SET(n) \
3228 STMT_START { \
3229 I32 evalue = (I32)n; \
3230 PL_statusvalue = evalue; \
3231 if (MY_POSIX_EXIT) \
1a3aec58
JM
3232 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3233 PL_statusvalue_vms = \
3234 (C_FAC_POSIX | (evalue << 3 ) | \
3235 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
3236 else \
3237 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3238 set_vaxc_errno(PL_statusvalue_vms); \
3239 } STMT_END
3240
fb38d079
JM
3241
3242 /* This macro forces a success status */
7a7fd8e0
JM
3243# define STATUS_ALL_SUCCESS \
3244 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
3245
3246 /* This macro forces a failure status */
7a7fd8e0
JM
3247# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3248 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3249 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3250
68dc0745 3251#else
e5218da5 3252# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3253# if defined(WCOREDUMP)
37038d91 3254# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3255 STMT_START { \
3256 PL_statusvalue_posix = (n); \
3257 if (PL_statusvalue_posix == -1) \
3258 PL_statusvalue = -1; \
3259 else { \
3260 PL_statusvalue = \
3261 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3262 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3263 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3264 } \
3265 } STMT_END
3266# elif defined(WIFEXITED)
37038d91 3267# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3268 STMT_START { \
3269 PL_statusvalue_posix = (n); \
3270 if (PL_statusvalue_posix == -1) \
3271 PL_statusvalue = -1; \
3272 else { \
3273 PL_statusvalue = \
3274 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3275 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3276 } \
3277 } STMT_END
3278# else
37038d91 3279# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
3280 STMT_START { \
3281 PL_statusvalue_posix = (n); \
3282 if (PL_statusvalue_posix == -1) \
3283 PL_statusvalue = -1; \
3284 else { \
3285 PL_statusvalue = \
3286 PL_statusvalue_posix & 0xFFFF; \
3287 } \
3288 } STMT_END
3289# endif
3290# define STATUS_UNIX_SET(n) \
68dc0745 3291 STMT_START { \
3280af22
NIS
3292 PL_statusvalue = (n); \
3293 if (PL_statusvalue != -1) \
3294 PL_statusvalue &= 0xFFFF; \
68dc0745 3295 } STMT_END
7a7fd8e0 3296# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3297# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3298# define STATUS_CURRENT STATUS_UNIX
37038d91 3299# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
3300# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3301# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
3302#endif
3303
cc3604b1
GS
3304/* flags in PL_exit_flags for nature of exit() */
3305#define PERL_EXIT_EXPECTED 0x01
31d77e54 3306#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
3307#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3308#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 3309
b79b76e0 3310#ifndef PERL_CORE
a7cb1f99 3311/* format to use for version numbers in file/directory names */
273cf8d1 3312/* XXX move to Configure? */
b79b76e0
NC
3313/* This was only ever used for the current version, and that can be done at
3314 compile time, as PERL_FS_VERSION, so should we just delete it? */
3315# ifndef PERL_FS_VER_FMT
3316# define PERL_FS_VER_FMT "%d.%d.%d"
3317# endif
3318#endif
3319
3320#ifndef PERL_FS_VERSION
3321# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
3322#endif
3323
45bc9206 3324/* This defines a way to flush all output buffers. This may be a
76549fef
JH
3325 * performance issue, so we allow people to disable it. Also, if
3326 * we are using stdio, there are broken implementations of fflush(NULL)
3327 * out there, Solaris being the most prominent.
45bc9206
GS
3328 */
3329#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3330# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3331# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
3332# else
3333# ifdef FFLUSH_ALL
3334# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3335# else
c5be433b 3336# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3337# endif
66fe083f 3338# endif
45bc9206
GS
3339#endif
3340
7766f137
GS
3341#ifndef PERL_WAIT_FOR_CHILDREN
3342# define PERL_WAIT_FOR_CHILDREN NOOP
3343#endif
3344
ba869deb 3345/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
3346#ifndef PERL_SET_INTERP
3347# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3348#endif
3349
3350#ifndef PERL_GET_INTERP
3351# define PERL_GET_INTERP (PL_curinterp)
3352#endif
3353
54aff467 3354#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3355# ifdef MULTIPLICITY
ba869deb 3356# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3357# endif
ba869deb
GS
3358# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3359#endif
3360
00f254e2 3361/*
8896765a 3362 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3363 All that is required is that the perl source does not
00f254e2
KW
3364 use "%-p" or "%-<number>p" or "%<number>p" formats.
3365 These formats will still work in perl code.
486ec47a 3366 See comments in sv.c for further details.
8896765a 3367
8896765a 3368 Robin Barker 2005-07-14
f46d31f2 3369
00f254e2 3370 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3371*/
8896765a
RB
3372
3373#ifndef SVf_
63ce7bf0 3374# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3375#endif
3376
8896765a 3377#ifndef SVf
104abab4 3378# define SVf "-p"
d2560b70
RB
3379#endif
3380
014ead4b 3381#ifndef SVf32
8896765a 3382# define SVf32 SVf_(32)
014ead4b
RB
3383#endif
3384
3385#ifndef SVf256
8896765a
RB
3386# define SVf256 SVf_(256)
3387#endif
3388
be2597df
MHM
3389#define SVfARG(p) ((void*)(p))
3390
20023040
FC
3391#ifndef HEKf
3392# define HEKf "2p"
3393#endif
3394
b8fa5213
FC
3395/* Not ideal, but we cannot easily include a number in an already-numeric
3396 * format sequence. */
3397#ifndef HEKf256
3398# define HEKf256 "3p"
3399#endif
3400
20023040
FC
3401#define HEKfARG(p) ((void*)(p))
3402
b17a0679
FC
3403/* Takes three arguments: is_utf8, length, str */
3404#ifndef UTF8f
61608bb7 3405# define UTF8f "d%" UVuf "%4p"
b17a0679
FC
3406#endif
3407#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3408
f46d31f2 3409#ifdef PERL_CORE
486ec47a 3410/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3411# undef UVf
3412#else
170cd9e9
NC
3413# ifndef UVf
3414# define UVf UVuf
3415# endif
d2560b70
RB
3416#endif
3417
fcdf39cf
RGS
3418#ifdef HASATTRIBUTE_DEPRECATED
3419# define __attribute__deprecated__ __attribute__((deprecated))
3420#endif
0dbb1585
AL
3421#ifdef HASATTRIBUTE_FORMAT
3422# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3423#endif
3424#ifdef HASATTRIBUTE_MALLOC
77785eea 3425# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3426#endif
0dbb1585 3427#ifdef HASATTRIBUTE_NONNULL
abb2c242 3428# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3429#endif
0dbb1585 3430#ifdef HASATTRIBUTE_NORETURN
abb2c242 3431# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3432#endif
0dbb1585 3433#ifdef HASATTRIBUTE_PURE
abb2c242 3434# define __attribute__pure__ __attribute__((pure))
f22be1b8 3435#endif
0dbb1585
AL
3436#ifdef HASATTRIBUTE_UNUSED
3437# define __attribute__unused__ __attribute__((unused))
3438#endif
3439#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3440# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3441#endif
3442
0dbb1585 3443/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3444#ifndef __attribute__deprecated__
3445# define __attribute__deprecated__
3446#endif
0dbb1585
AL
3447#ifndef __attribute__format__
3448# define __attribute__format__(x,y,z)
3449#endif
f22be1b8 3450#ifndef __attribute__malloc__
abb2c242 3451# define __attribute__malloc__
f22be1b8
JH
3452#endif
3453#ifndef __attribute__nonnull__
abb2c242 3454# define __attribute__nonnull__(a)
f22be1b8
JH
3455#endif
3456#ifndef __attribute__noreturn__
abb2c242 3457# define __attribute__noreturn__
f22be1b8
JH
3458#endif
3459#ifndef __attribute__pure__
abb2c242 3460# define __attribute__pure__
f22be1b8 3461#endif
0dbb1585
AL
3462#ifndef __attribute__unused__
3463# define __attribute__unused__
3464#endif
f22be1b8 3465#ifndef __attribute__warn_unused_result__
abb2c242
JH
3466# define __attribute__warn_unused_result__
3467#endif
3468
cd13e623
JH
3469#if defined(DEBUGGING) && defined(I_ASSERT)
3470# include <assert.h>
3471#endif
3472
0dbb1585
AL
3473/* For functions that are marked as __attribute__noreturn__, it's not
3474 appropriate to call return. In either case, include the lint directive.
3475 */
3476#ifdef HASATTRIBUTE_NORETURN
ae103e09 3477# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3478#else
ae103e09 3479# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH
3480#endif
3481
cdfeb707
RB
3482/* Some OS warn on NULL format to printf */
3483#ifdef PRINTF_FORMAT_NULL_OK
3484# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3485#else
00f254e2 3486# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3487#endif
3488
635aebb7 3489#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3490# define EXPECT(expr,val) __builtin_expect(expr,val)
3491#else
3492# define EXPECT(expr,val) (expr)
3493#endif
6d5abc62
NC
3494#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3495#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3496#ifdef HAS_BUILTIN_CHOOSE_EXPR
3497/* placeholder */
3498#endif
b37c2d43 3499
ae103e09
DD
3500
3501#ifndef __has_builtin
3502# define __has_builtin(x) 0 /* not a clang style compiler */
3503#endif
3504
3505/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3506 hint to a compiler about a statement of fact in a function call free
3507 expression, which allows the compiler to generate better machine code.
3508 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3509 the control path is unreachable. In a for loop, ASSUME can be used to hint
3510 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3511 intrinsic function, see its documents for more details.
3512*/
3513
3514#ifndef DEBUGGING
3515# if __has_builtin(__builtin_unreachable) \
3516 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3517# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3518# elif defined(_MSC_VER)
3519# define ASSUME(x) __assume(x)
3520# elif defined(__ARMCC_VERSION) /* untested */
3521# define ASSUME(x) __promise(x)
3522# else
3523/* a random compiler might define assert to its own special optimization token
3524 so pass it through to C lib as a last resort */
3525# define ASSUME(x) assert(x)
3526# endif
3527#else
3528# define ASSUME(x) assert(x)
3529#endif
3530
3531#define NOT_REACHED ASSUME(0)
3532
3fc1aec6
PP
3533/* Some unistd.h's give a prototype for pause() even though
3534 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3535 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3536*/
3537#ifdef HAS_PAUSE
3538#define Pause pause
3539#else
3540#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3541#endif
3542
3543#ifndef IOCPARM_LEN
3544# ifdef IOCPARM_MASK
61f1c44b 3545 /* on BSDish systems we're safe */
748a9306
LW
3546# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3547# else
61f1c44b 3548# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3549 /* on Linux systems we're safe; except when we're not [perl #38223] */
3550# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3551# else
748a9306 3552 /* otherwise guess at what's safe */
61f1c44b
JVD
3553# define IOCPARM_LEN(x) 256
3554# endif
748a9306 3555# endif
a0d0e21e
LW
3556#endif
3557
1761cee5 3558#if defined(__CYGWIN__)
521e0776
GS
3559/* USEMYBINMODE
3560 * This symbol, if defined, indicates that the program should
16fe6d59 3561 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3562 * that a file is in "binary" mode -- that is, that no translation
3563 * of bytes occurs on read or write operations.
3564 */
36894f0b 3565# define USEMYBINMODE /**/
77a40698 3566# include <io.h> /* for setmode() prototype */
16fe6d59 3567# define my_binmode(fp, iotype, mode) \
77a40698 3568 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3569#endif
3570
88d10794
JH
3571#ifdef __CYGWIN__
3572void init_os_extras(void);
3573#endif
3574
cea2e8a9
GS
3575#ifdef UNION_ANY_DEFINITION
3576UNION_ANY_DEFINITION;
3577#else
3578union any {
3579 void* any_ptr;
3580 I32 any_i32;
ae103e09 3581 U32 any_u32;
cea2e8a9 3582 IV any_iv;
c6bf6a65 3583 UV any_uv;
cea2e8a9 3584 long any_long;
9febdf04 3585 bool any_bool;
c76ac1ee 3586 void (*any_dptr) (void*);
acfe0abc 3587 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3588};
3589#endif
3590
acfe0abc 3591typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3592
3593#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3594#define FILTER_DATA(idx) \
3595 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3596#define FILTER_ISREADER(idx) \
3597 (PL_parser && PL_parser->rsfp_filters \
3598 && idx >= AvFILLp(PL_parser->rsfp_filters))
3599#define PERL_FILTER_EXISTS(i) \
3600 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3601 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3602
c5078cac
JH
3603#if defined(_AIX) && !defined(_AIX43)
3604#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3605/* We cannot include <crypt.h> to get the struct crypt_data
3606 * because of setkey prototype problems when threading */
3607typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3608 /* From OSF, Not needed in AIX
3609 char C[28], D[28];
3610 */
3611 char E[48];
3612 char KS[16][48];
3613 char block[66];
3614 char iobuf[16];
3615} CRYPTD;
3616#endif /* threading */
3617#endif /* AIX */
3618
e37778c2 3619#if !defined(OS2)
2c2d71f5
JH
3620# include "iperlsys.h"
3621#endif
504f80c1 3622
9c12f1e5 3623#ifdef __LIBCATAMOUNT__
00f254e2 3624#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3625#undef HAS_GROUP
3626#define FAKE_BIT_BUCKET
3627#endif
3628
d10dc2ae
JH
3629/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3630 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3631 * defined by Configure, despite their names being similar to the
3632 * other defines like USE_ITHREADS. Configure in fact knows nothing
3633 * about the randomised hashes. Therefore to enable/disable the hash
3634 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3635#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3636# define USE_HASH_SEED
504f80c1
JH
3637#endif
3638
598921a7
NC
3639/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3640 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3641 * it's not really needed.
3642 */
3643#if defined(WIN32)
3644# define YYTOKENTYPE
3645#endif
3646#include "perly.h"
3647
598921a7 3648
654eccd5
JD
3649/* macros to define bit-fields in structs. */
3650#ifndef PERL_BITFIELD8
3651# define PERL_BITFIELD8 unsigned
3652#endif
3653#ifndef PERL_BITFIELD16
3654# define PERL_BITFIELD16 unsigned
3655#endif
3656#ifndef PERL_BITFIELD32
3657# define PERL_BITFIELD32 unsigned
3658#endif
3659
79072805 3660#include "sv.h"
288b8c02 3661#include "regexp.h"
378cc40b 3662#include "util.h"
8d063cd8 3663#include "form.h"
79072805 3664#include "gv.h"
dd2155a4 3665#include "pad.h"
79072805 3666#include "cv.h"
abdd5c84 3667#include "opnames.h"
79072805 3668#include "op.h"
b3ca2e83 3669#include "hv.h"
79072805
LW
3670#include "cop.h"
3671#include "av.h"
79072805
LW
3672#include "mg.h"
3673#include "scope.h"
4438c4b7 3674#include "warnings.h"
a0ed51b3 3675#include "utf8.h"
8d063cd8 3676
0d7d409d
DM
3677/* these would be in doio.h if there was such a file */
3678#define my_stat() my_stat_flags(SV_GMAGIC)
3679#define my_lstat() my_lstat_flags(SV_GMAGIC)
3680
20f4945e 3681/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3682#undef _XPV_HEAD
3683#undef _XPVMG_HEAD
3684#undef _XPVCV_COMMON
7fae4e64
GS
3685
3686typedef struct _sublex_info SUBLEXINFO;
3687struct _sublex_info {
651b5b28
NC
3688 U8 super_state; /* lexer state to save */
3689 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3690 OP *sub_op; /* "lex_op" to use */
7cc34111 3691 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3692};
3693
199e78b7
DM
3694#include "parser.h"
3695
455ece5e 3696typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3697
2260ab51
KW
3698#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3699
3700/* These have to be predeclared, as they are used in proto.h which is #included
3701 * before their definitions in regcomp.h. */
3702
3703struct scan_data_t;
7dcac5f6
KW
3704typedef struct regnode_charclass regnode_charclass;
3705
2260ab51 3706struct regnode_charclass_class;
d1d040e5
KW
3707
3708/* A hopefully less confusing name. The sub-classes are all Posix classes only
3709 * used under /l matching */
3710typedef struct regnode_charclass_class regnode_charclass_posixl;
3711
b8f7bb16 3712typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3713typedef struct RExC_state_t RExC_state_t;
3714struct _reg_trie_data;
76e3520e 3715
2260ab51
KW
3716#endif
3717
5f7fde29
GS
3718struct ptr_tbl_ent {
3719 struct ptr_tbl_ent* next;
53c1dcc0 3720 const void* oldval;
5f7fde29 3721 void* newval;
d18c6117
GS
3722};
3723
5f7fde29
GS
3724struct ptr_tbl {
3725 struct ptr_tbl_ent** tbl_ary;
3726 UV tbl_max;
3727 UV tbl_items;
db93c0c4
NC
3728 struct ptr_tbl_arena *tbl_arena;
3729 struct ptr_tbl_ent *tbl_arena_next;
3730 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3731};
3732