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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
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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
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28# ifndef USE_CROSS_COMPILE
29# include "config.h"
30# else
31# include "xconfig.h"
32# endif
12ae5dfc 33#endif
0cb96387 34
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35/* See L<perlguts/"The Perl API"> for detailed notes on
36 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
37
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38/* Note that from here --> to <-- the same logic is
39 * repeated in makedef.pl, so be certain to update
40 * both places when editing. */
41
6f4183fe 42#ifdef USE_ITHREADS
acfe0abc 43# if !defined(MULTIPLICITY)
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44# define MULTIPLICITY
45# endif
46#endif
47
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48#ifdef PERL_GLOBAL_STRUCT_PRIVATE
49# ifndef PERL_GLOBAL_STRUCT
50# define PERL_GLOBAL_STRUCT
51# endif
52#endif
97aff369 53
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54#ifdef PERL_GLOBAL_STRUCT
55# ifndef MULTIPLICITY
56# define MULTIPLICITY
57# endif
58#endif
59
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60#ifdef MULTIPLICITY
61# ifndef PERL_IMPLICIT_CONTEXT
62# define PERL_IMPLICIT_CONTEXT
63# endif
64#endif
65
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66/* undef WIN32 when building on Cygwin (for libwin32) - gph */
67#ifdef __CYGWIN__
68# undef WIN32
69# undef _WIN32
70#endif
71
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72#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
73# ifndef SYMBIAN
74# define SYMBIAN
75# endif
76#endif
77
a0fd4948 78#ifdef __SYMBIAN32__
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79# include "symbian/symbian_proto.h"
80#endif
81
82/* Any stack-challenged places. The limit varies (and often
83 * is configurable), but using more than a kilobyte of stack
84 * is usually dubious in these systems. */
739a0b84
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85#if defined(__SYMBIAN32__)
86/* Symbian: need to work around the SDK features. *
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87 * On WINS: MS VC5 generates calls to _chkstk, *
88 * if a "large" stack frame is allocated. *
89 * gcc on MARM does not generate calls like these. */
90# define USE_HEAP_INSTEAD_OF_STACK
91#endif
92
dd134d2c 93/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 94/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 95#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
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96# define USE_REENTRANT_API
97#endif
98
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99/* <--- here ends the logic shared by perl.h and makedef.pl */
100
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101/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
102#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
103# define USING_MSVC6
104#endif
105
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106#undef START_EXTERN_C
107#undef END_EXTERN_C
108#undef EXTERN_C
109#ifdef __cplusplus
110# define START_EXTERN_C extern "C" {
111# define END_EXTERN_C }
112# define EXTERN_C extern "C"
113#else
114# define START_EXTERN_C
115# define END_EXTERN_C
116# define EXTERN_C extern
117#endif
118
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119/* Fallback definitions in case we don't have definitions from config.h.
120 This should only matter for systems that don't use Configure and
121 haven't been modified to define PERL_STATIC_INLINE yet.
122*/
123#if !defined(PERL_STATIC_INLINE)
124# ifdef HAS_STATIC_INLINE
125# define PERL_STATIC_INLINE static inline
126# else
127# define PERL_STATIC_INLINE static
128# endif
129#endif
130
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131#ifdef PERL_GLOBAL_STRUCT
132# ifndef PERL_GET_VARS
133# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 134 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
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135# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
136# ifndef PERLIO_FUNCS_CONST
137# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
138# endif
139# else
140# define PERL_GET_VARS() PL_VarsPtr
141# endif
142# endif
143#endif
144
5aaab254 145#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
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146
147#ifdef PERL_GLOBAL_STRUCT
148# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
149#else
150# define dVAR dNOOP
151#endif
152
c5be433b 153#ifdef PERL_IMPLICIT_CONTEXT
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154# ifndef MULTIPLICITY
155# define MULTIPLICITY
c5be433b 156# endif
e8dda941 157# define tTHX PerlInterpreter*
5aaab254 158# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 159# define aTHX my_perl
9399a70c 160# define aTHXa(a) aTHX = (tTHX)a
27da23d5 161# ifdef PERL_GLOBAL_STRUCT
e8dda941 162# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 163# else
e8dda941 164# define dTHXa(a) pTHX = (tTHX)a
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165# endif
166# ifdef PERL_GLOBAL_STRUCT
167# define dTHX dVAR; pTHX = PERL_GET_THX
168# else
169# define dTHX pTHX = PERL_GET_THX
170# endif
c5be433b 171# define pTHX_ pTHX,
c5be433b 172# define aTHX_ aTHX,
4373e329 173# define pTHX_1 2
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174# define pTHX_2 3
175# define pTHX_3 4
176# define pTHX_4 5
4373e329
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177# define pTHX_5 6
178# define pTHX_6 7
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179# define pTHX_7 8
180# define pTHX_8 9
181# define pTHX_9 10
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182# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
183# define PERL_TRACK_MEMPOOL
184# endif
185#else
186# undef PERL_TRACK_MEMPOOL
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187#endif
188
76e3520e 189#define STATIC static
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190
191#ifndef PERL_CORE
192/* Do not use these macros. They were part of PERL_OBJECT, which was an
193 * implementation of multiplicity using C++ objects. They have been left
194 * here solely for the sake of XS code which has incorrectly
195 * cargo-culted them.
196 */
76e3520e 197#define CPERLscope(x) x
565764a8 198#define CPERLarg void
76e3520e 199#define CPERLarg_
e3b8966e 200#define _CPERLarg
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201#define PERL_OBJECT_THIS
202#define _PERL_OBJECT_THIS
203#define PERL_OBJECT_THIS_
312caa8e 204#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 205#define MEMBER_TO_FPTR(name) name
16c91539 206#endif /* !PERL_CORE */
76e3520e 207
16c91539 208#define CALLRUNOPS PL_runops
f9f4320a 209
3ab4a224 210#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 211
16c91539 212#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 213#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 214 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 215 (strbeg),(minend),(sv),(data),(flags))
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216#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
217 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
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218 (strend),(flags),(data))
219#define CALLREG_INTUIT_STRING(prog) \
16c91539 220 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 221
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222#define CALLREGFREE(prog) \
223 Perl_pregfree(aTHX_ (prog))
224
225#define CALLREGFREE_PVT(prog) \
16c91539 226 if(prog) RX_ENGINE(prog)->free(aTHX_ (prog))
f8149455 227
2fdbfb4d 228#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 229 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 230
2fdbfb4d 231#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 232 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
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233
234#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 235 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 236
192b9cd1 237#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 238 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
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239
240#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 241 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
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242
243#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 244 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
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245
246#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 247 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
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248
249#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 250 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
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251
252#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 253 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
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254
255#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 256 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
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257
258#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 259 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
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260
261#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 262 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
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263
264#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 265 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 266
49d7dfbc 267#define CALLREG_PACKAGE(rx) \
16c91539 268 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 269
00f254e2 270#if defined(USE_ITHREADS)
f9f4320a 271#define CALLREGDUPE(prog,param) \
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272 Perl_re_dup(aTHX_ (prog),(param))
273
274#define CALLREGDUPE_PVT(prog,param) \
16c91539 275 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 276 : (REGEXP *)NULL)
f9f4320a 277#endif
14dd3ad8 278
a20207d7 279
bcdf7404 280
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281
282
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283/*
284 * Because of backward compatibility reasons the PERL_UNUSED_DECL
285 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
286 *
287 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 288 * which do not have an "inlined" way (like the gcc __attribute__) of
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289 * marking unused variables (they need e.g. a #pragma) and therefore
290 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
291 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
292 *
293 */
1266ad8c 294
9969cdde 295#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 296# ifdef __cplusplus
5ba4cab2 297# define PERL_UNUSED_DECL
5b2bd0a5 298# else
5ba4cab2 299# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
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300# endif
301#endif
44dbb695 302
5b2bd0a5 303#ifndef PERL_UNUSED_DECL
34659ad4 304# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
5ba4cab2 305# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 306# else
5ba4cab2 307# define PERL_UNUSED_DECL
b79c357a 308# endif
5b2bd0a5 309#endif
00f254e2 310
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311/* gcc -Wall:
312 * for silencing unused variables that are actually used most of the time,
a0288114 313 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 314 */
53c1dcc0 315#ifndef PERL_UNUSED_ARG
c99ffe5e 316# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 317# include <note.h>
53c1dcc0 318# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 319# else
53c1dcc0 320# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
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321# endif
322#endif
53c1dcc0
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323#ifndef PERL_UNUSED_VAR
324# define PERL_UNUSED_VAR(x) ((void)x)
325#endif
ad73156c 326
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327#ifdef USE_ITHREADS
328# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
329#else
330# define PERL_UNUSED_CONTEXT
331#endif
332
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333/* on gcc (and clang), specify that a warning should be temporarily
334 * ignored; e.g.
335 *
336 * GCC_DIAG_IGNORE(-Wmultichar);
337 * char b = 'ab';
338 * GCC_DIAG_RESTORE;
339 *
340 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
341 *
342 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
343 * clang only pretends to be GCC 4.2, but still supports push/pop.
344 */
345
346#if defined(__clang) || \
d28ce8b4 347 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
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348# define GCC_DIAG_DO_PRAGMA_(x) _Pragma (#x)
349
350# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
351 GCC_DIAG_DO_PRAGMA_(GCC diagnostic ignored #x)
352# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
353#else
354# define GCC_DIAG_IGNORE(w)
355# define GCC_DIAG_RESTORE
356#endif
357
358
6f207bd3 359#define NOOP /*EMPTY*/(void)0
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360/* cea2e8a9dd23747f accidentally lost the comment originally from the first
361 check in of thread.h, explaining why we need dNOOP at all: */
362/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
363/* Declaring a *function*, instead of a variable, ensures that we don't rely
364 on being able to suppress "unused" warnings. */
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365#ifdef __cplusplus
366#define dNOOP (void)0
367#else
64a8239e 368#define dNOOP extern int Perl___notused(void)
7db66e12 369#endif
71be2cbc 370
0cb96387 371#ifndef pTHX
a78adc84 372/* Don't bother defining tTHX ; using it outside
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373 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
374 */
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375# define pTHX void
376# define pTHX_
0cb96387
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377# define aTHX
378# define aTHX_
9399a70c 379# define aTHXa(a) NOOP
0cb96387
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380# define dTHXa(a) dNOOP
381# define dTHX dNOOP
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382# define pTHX_1 1
383# define pTHX_2 2
384# define pTHX_3 3
385# define pTHX_4 4
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386# define pTHX_5 5
387# define pTHX_6 6
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388# define pTHX_7 7
389# define pTHX_8 8
390# define pTHX_9 9
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391#endif
392
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393#ifndef dVAR
394# define dVAR dNOOP
395#endif
396
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397/* these are only defined for compatibility; should not be used internally */
398#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
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399# define pTHXo pTHX
400# define pTHXo_ pTHX_
0cb96387
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401# define aTHXo aTHX
402# define aTHXo_ aTHX_
c5be433b 403# define dTHXo dTHX
71d280e3 404# define dTHXoa(x) dTHXa(x)
0cb96387
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405#endif
406
407#ifndef pTHXx
5aaab254 408# define pTHXx PerlInterpreter *my_perl
0cb96387 409# define pTHXx_ pTHXx,
0cb96387
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410# define aTHXx my_perl
411# define aTHXx_ aTHXx,
c5be433b 412# define dTHXx dTHX
22c35a8c 413#endif
71be2cbc 414
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415/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
416 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
417 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
418#ifdef PERL_IMPLICIT_SYS
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419# ifdef PERL_GLOBAL_STRUCT_PRIVATE
420# define dTHXs dVAR; dTHX
421# else
422# define dTHXs dTHX
423# endif
1de7c2ac 424#else
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425# ifdef PERL_GLOBAL_STRUCT_PRIVATE
426# define dTHXs dVAR
427# else
428# define dTHXs dNOOP
429# endif
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430#endif
431
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432/* Some platforms require marking function declarations
433 * for them to be exportable. Used in perlio.h, proto.h
434 * is handled either by the makedef.pl or by defining the
435 * PERL_CALLCONV to be something special. See also the
436 * definition of XS() in XSUB.h. */
437#ifndef PERL_EXPORT_C
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JH
438# ifdef __cplusplus
439# define PERL_EXPORT_C extern "C"
440# else
441# define PERL_EXPORT_C extern
442# endif
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443#endif
444#ifndef PERL_XS_EXPORT_C
a0c21aa1
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445# ifdef __cplusplus
446# define PERL_XS_EXPORT_C extern "C"
447# else
448# define PERL_XS_EXPORT_C
449# endif
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450#endif
451
e5afc1ae 452/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
b1e55cab 453 * g++ allows them but seems to have problems with them
70aab261
RB
454 * (insane errors ensue).
455 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
456 */
457#if defined(PERL_GCC_PEDANTIC) || \
458 (defined(__GNUC__) && defined(__cplusplus) && \
459 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
5b692037 460# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
22469a62
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461# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
462# endif
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463#endif
464
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JH
465#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
466# ifndef PERL_USE_GCC_BRACE_GROUPS
467# define PERL_USE_GCC_BRACE_GROUPS
468# endif
469#endif
470
728e2803
PP
471/*
472 * STMT_START { statements; } STMT_END;
473 * can be used as a single statement, as in
474 * if (x) STMT_START { ... } STMT_END; else ...
475 *
476 * Trying to select a version that gives no warnings...
477 */
478#if !(defined(STMT_START) && defined(STMT_END))
5b692037 479# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 480# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803
PP
481# define STMT_END )
482# else
728e2803
PP
483# define STMT_START do
484# define STMT_END while (0)
728e2803
PP
485# endif
486#endif
487
d6f9c181
JH
488#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
489# define BYTEORDER 0x1234
79072805
LW
490#endif
491
492/* Overall memory policy? */
493#ifndef CONSERVATIVE
494# define LIBERAL 1
495#endif
496
8ada0baa
JH
497#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
498#define ASCIIish
499#else
500#undef ASCIIish
501#endif
502
79072805
LW
503/*
504 * The following contortions are brought to you on behalf of all the
505 * standards, semi-standards, de facto standards, not-so-de-facto standards
506 * of the world, as well as all the other botches anyone ever thought of.
507 * The basic theory is that if we work hard enough here, the rest of the
508 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
509 */
ac58e20f 510
ee0007ab 511/* define this once if either system, instead of cluttering up the src */
7c458fae 512#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW
513#define DOSISH 1
514#endif
515
739a0b84 516#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
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517# define STANDARD_C 1
518#endif
519
8d87852b 520#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745
PP
521# define DONT_DECLARE_STD 1
522#endif
523
352d5a3a 524#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 525# define VOL volatile
663a0e37 526#else
79072805 527# define VOL
663a0e37
LW
528#endif
529
284167a5
SM
530/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
531 * you get a perl without taint support, but doubtlessly with a lesser
532 * degree of support. Do not do so unless you know exactly what it means
533 * technically, have a good reason to do so, and know exactly how the
534 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
535 * a potential security risk due to flat out ignoring the security-relevant
536 * taint flags. This being said, a perl without taint support compiled in
537 * has marginal run-time performance benefits.
538 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
539 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
540 * silently ignores -t/-T instead of throwing an exception.
053a3618
SM
541 *
542 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 543 * voids your nonexistent warranty!
284167a5
SM
544 */
545#if SILENT_NO_TAINT_SUPPORT && !defined(NO_TAINT_SUPPORT)
546# define NO_TAINT_SUPPORT 1
547#endif
548
549/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
550 * operations into no-ops for a very modest speed-up. Enable only if you
551 * know what you're doing: tests and CPAN modules' tests are bound to fail.
552 */
553#if NO_TAINT_SUPPORT
554# define TAINT NOOP
555# define TAINT_NOT NOOP
556# define TAINT_IF(c) NOOP
557# define TAINT_ENV() NOOP
558# define TAINT_PROPER(s) NOOP
559# define TAINT_set(s) NOOP
560# define TAINT_get 0
561# define TAINTING_get 0
562# define TAINTING_set(s) NOOP
563# define TAINT_WARN_get 0
564# define TAINT_WARN_set(s) NOOP
565#else
566# define TAINT (PL_tainted = TRUE)
567# define TAINT_NOT (PL_tainted = FALSE)
2439e033
SM
568# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
569# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
570# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
SM
571# define TAINT_set(s) (PL_tainted = (s))
572# define TAINT_get (PL_tainted)
573# define TAINTING_get (PL_tainting)
574# define TAINTING_set(s) (PL_tainting = (s))
575# define TAINT_WARN_get (PL_taint_warn)
576# define TAINT_WARN_set(s) (PL_taint_warn = (s))
577#endif
a687059c 578
20be6587
DM
579/* flags used internally only within pp_subst and pp_substcont */
580#ifdef PERL_CORE
581# define SUBST_TAINT_STR 1 /* string tainted */
582# define SUBST_TAINT_PAT 2 /* pattern tainted */
583# define SUBST_TAINT_REPL 4 /* replacement tainted */
584# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
585# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
586#endif
587
d460ef45 588/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de
PP
589 defines move there? If so, I could simplify this a lot. --AD 9/96.
590*/
591/* Process group stuff changed from traditional BSD to POSIX.
592 perlfunc.pod documents the traditional BSD-style syntax, so we'll
593 try to preserve that, if possible.
594*/
595#ifdef HAS_SETPGID
596# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 597#else
a6e633de
PP
598# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
599# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
600# else
601# ifdef HAS_SETPGRP2 /* DG/UX */
602# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
603# endif
604# endif
605#endif
606#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
607# define HAS_SETPGRP /* Well, effectively it does . . . */
608#endif
609
610/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
611 our life easier :-) so we'll try it.
612*/
613#ifdef HAS_GETPGID
614# define BSD_GETPGRP(pid) getpgid((pid))
615#else
616# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
617# define BSD_GETPGRP(pid) getpgrp((pid))
618# else
619# ifdef HAS_GETPGRP2 /* DG/UX */
620# define BSD_GETPGRP(pid) getpgrp2((pid))
621# endif
622# endif
623#endif
624#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
625# define HAS_GETPGRP /* Well, effectively it does . . . */
626#endif
627
d460ef45 628/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
629 have different behaviors, but perl.h used to define USE_BSDPGRP
630 (prior to 5.003_05) so some extension might depend on it.
631*/
632#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
633# ifndef USE_BSDPGRP
634# define USE_BSDPGRP
635# endif
663a0e37
LW
636#endif
637
486ec47a 638/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH
639 pthread.h must be included before all other header files.
640*/
3db8f154 641#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH
642# include <pthread.h>
643#endif
644
58ab9e8b 645#include <sys/types.h>
663a0e37 646
760ac839
LW
647#ifdef __cplusplus
648# ifndef I_STDARG
649# define I_STDARG 1
650# endif
651#endif
652
653#ifdef I_STDARG
654# include <stdarg.h>
655#else
656# ifdef I_VARARGS
657# include <varargs.h>
658# endif
659#endif
660
4633a7c4 661#ifdef USE_NEXT_CTYPE
0c30d9ec 662
092bebab
JH
663#if NX_CURRENT_COMPILER_RELEASE >= 500
664# include <bsd/ctypes.h>
665#else
666# if NX_CURRENT_COMPILER_RELEASE >= 400
667# include <objc/NXCType.h>
668# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
669# include <appkit/NXCType.h>
670# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
671#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec
PP
672
673#else /* !USE_NEXT_CTYPE */
fe14fcc3 674#include <ctype.h>
0c30d9ec 675#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW
676
677#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
678#undef METHOD
a0d0e21e
LW
679#endif
680
12ae5dfc
JH
681#ifdef PERL_MICRO
682# define NO_LOCALE
683#endif
684
4633a7c4 685#ifdef I_LOCALE
36477c24 686# include <locale.h>
4633a7c4
LW
687#endif
688
36477c24
PP
689#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
690# define USE_LOCALE
ccd65d51
KW
691# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
692 capability */
36477c24
PP
693# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
694 && defined(HAS_STRXFRM)
695# define USE_LOCALE_COLLATE
696# endif
697# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
698# define USE_LOCALE_CTYPE
699# endif
700# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
701# define USE_LOCALE_NUMERIC
702# endif
fa9b773e
KW
703# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
704# define USE_LOCALE_MESSAGES
705# endif
706# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
707# define USE_LOCALE_MONETARY
708# endif
36477c24 709#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 710
fe14fcc3 711#include <setjmp.h>
79072805 712
a0d0e21e 713#ifdef I_SYS_PARAM
79072805
LW
714# ifdef PARAM_NEEDS_TYPES
715# include <sys/types.h>
716# endif
717# include <sys/param.h>
352d5a3a 718#endif
79072805 719
ce3470dc
AD
720/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
721 value something like 199306. This may be useful if no more-specific
722 feature test is available.
723*/
724#if defined(BSD)
725# ifndef BSDish
726# define BSDish
727# endif
728#endif
729
79072805 730/* Use all the "standard" definitions? */
a0d0e21e 731#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 732# include <stdlib.h>
ff68c719 733#endif
03a14243 734
3f270f98
JH
735/* If this causes problems, set i_unistd=undef in the hint file. */
736#ifdef I_UNISTD
737# include <unistd.h>
738#endif
739
de8ca8af
NT
740/* for WCOREDUMP */
741#ifdef I_SYS_WAIT
742# include <sys/wait.h>
743#endif
744
9969cdde 745#ifdef __SYMBIAN32__
27da23d5
JH
746# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
747#endif
748
21e89b5f 749#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 750EXTERN_C int syscall(int, ...);
2ef53570
JH
751#endif
752
21e89b5f 753#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 754EXTERN_C int usleep(unsigned int);
2ef53570
JH
755#endif
756
1109a392
MHM
757#ifdef PERL_CORE
758
759/* macros for correct constant construction */
760# if INTSIZE >= 2
761# define U16_CONST(x) ((U16)x##U)
762# else
763# define U16_CONST(x) ((U16)x##UL)
764# endif
765
766# if INTSIZE >= 4
767# define U32_CONST(x) ((U32)x##U)
768# else
769# define U32_CONST(x) ((U32)x##UL)
770# endif
771
772# ifdef HAS_QUAD
773# if INTSIZE >= 8
774# define U64_CONST(x) ((U64)x##U)
775# elif LONGSIZE >= 8
776# define U64_CONST(x) ((U64)x##UL)
777# elif QUADKIND == QUAD_IS_LONG_LONG
778# define U64_CONST(x) ((U64)x##ULL)
52865553
SH
779# elif QUADKIND == QUAD_IS___INT64
780# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM
781# else /* best guess we can make */
782# define U64_CONST(x) ((U64)x##UL)
783# endif
784# endif
785
786/* byte-swapping functions for big-/little-endian conversion */
787# define _swab_16_(x) ((U16)( \
788 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
789 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
790
791# define _swab_32_(x) ((U32)( \
792 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
793 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
794 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
795 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
796
797# ifdef HAS_QUAD
798# define _swab_64_(x) ((U64)( \
799 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
800 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
801 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
802 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
803 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
804 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
805 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
806 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
807# endif
808
9c17f24a
NC
809/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
810 at least on FreeBSD. YMMV, so experiment. */
811#ifndef PERL_ARENA_SIZE
812#define PERL_ARENA_SIZE 4080
813#endif
814
ccb2c8b8 815/* Maximum level of recursion */
2b9dff67
RGS
816#ifndef PERL_SUB_DEPTH_WARN
817#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS
818#endif
819
1109a392
MHM
820#endif /* PERL_CORE */
821
bdf3085f
NC
822/* We no longer default to creating a new SV for GvSV.
823 Do this before embed. */
824#ifndef PERL_CREATE_GVSV
7459f06b
NC
825# ifndef PERL_DONT_CREATE_GVSV
826# define PERL_DONT_CREATE_GVSV
827# endif
bdf3085f
NC
828#endif
829
ca0c25f6
NC
830#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
831#define PERL_USES_PL_PIDSTATUS
832#endif
833
739a0b84 834#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS
835#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
836#endif
837
c31fac66
GS
838#define MEM_SIZE Size_t
839
1936d2a7
NC
840/* Round all values passed to malloc up, by default to a multiple of
841 sizeof(size_t)
842*/
843#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
844#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
845#endif
846
f1200559
WH
847/* sv_grow() will expand strings by at least a certain percentage of
848 the previously *used* length to avoid excessive calls to realloc().
849 The default is 25% of the current length.
850*/
851#ifndef PERL_STRLEN_EXPAND_SHIFT
852# define PERL_STRLEN_EXPAND_SHIFT 2
853#endif
854
51371543
GS
855#if defined(STANDARD_C) && defined(I_STDDEF)
856# include <stddef.h>
857# define STRUCT_OFFSET(s,m) offsetof(s,m)
858#else
859# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
860#endif
861
9969cdde 862#ifndef __SYMBIAN32__
27da23d5
JH
863# if defined(I_STRING) || defined(__cplusplus)
864# include <string.h>
865# else
866# include <strings.h>
867# endif
51371543
GS
868#endif
869
55497cff
PP
870/* This comes after <stdlib.h> so we don't try to change the standard
871 * library prototypes; we'll use our own in proto.h instead. */
03a14243 872
4633a7c4 873#ifdef MYMALLOC
86058a2d 874# ifdef PERL_POLLUTE_MALLOC
ee13e175 875# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS
876# define Perl_malloc malloc
877# define Perl_calloc calloc
878# define Perl_realloc realloc
879# define Perl_mfree free
ee13e175 880# endif
86058a2d
GS
881# else
882# define EMBEDMYMALLOC /* for compatibility */
883# endif
827e134a 884
651b9576
GS
885# define safemalloc Perl_malloc
886# define safecalloc Perl_calloc
887# define saferealloc Perl_realloc
888# define safefree Perl_mfree
22f7c9c9
JH
889# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
890 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
891 code; \
892 } STMT_END
893# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
894 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
895# define panic_write2(s) write(2, s, strlen(s))
896# define CHECK_MALLOC_TAINT(newval) \
897 CHECK_MALLOC_TOO_LATE_FOR_( \
898 if (newval) { \
899 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
900 exit(1); })
22f7c9c9 901# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 902 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH
903 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
904 }} STMT_END;
f2517201
GS
905#else /* MYMALLOC */
906# define safemalloc safesysmalloc
907# define safecalloc safesyscalloc
908# define saferealloc safesysrealloc
909# define safefree safesysfree
22f7c9c9
JH
910# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
911# define CHECK_MALLOC_TAINT(newval) ((void)0)
912# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 913#endif /* MYMALLOC */
4633a7c4 914
fe13d51d 915/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 916#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
917#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
918#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
919#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
920
a0d0e21e
LW
921#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
922#define strchr index
923#define strrchr rindex
924#endif
925
16d20bd9
AD
926#ifdef I_MEMORY
927# include <memory.h>
928#endif
929
fe14fcc3 930#ifdef HAS_MEMCPY
85e6fe83 931# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 932# ifndef memcpy
20ce7b12 933 extern char * memcpy (char*, char*, int);
ee0007ab
LW
934# endif
935# endif
936#else
937# ifndef memcpy
938# ifdef HAS_BCOPY
939# define memcpy(d,s,l) bcopy(s,d,l)
940# else
941# define memcpy(d,s,l) my_bcopy(s,d,l)
942# endif
943# endif
944#endif /* HAS_MEMCPY */
fe14fcc3 945
ee0007ab 946#ifdef HAS_MEMSET
85e6fe83 947# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 948# ifndef memset
20ce7b12 949 extern char *memset (char*, int, int);
ee0007ab
LW
950# endif
951# endif
ee0007ab 952#else
12ae5dfc 953# undef memset
fc36a67e 954# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW
955#endif /* HAS_MEMSET */
956
85e6fe83 957#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 958# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW
959# define memmove(d,s,l) bcopy(s,d,l)
960# else
2304df62 961# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 962# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 963# else
79072805 964# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 965# endif
352d5a3a 966# endif
d9d8d8de 967#endif
ee0007ab 968
36477c24
PP
969#if defined(mips) && defined(ultrix) && !defined(__STDC__)
970# undef HAS_MEMCMP
971#endif
972
973#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 974# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 975# ifndef memcmp
20ce7b12 976 extern int memcmp (char*, char*, int);
ee0007ab
LW
977# endif
978# endif
979#else
980# ifndef memcmp
ecfc5424 981# define memcmp my_memcmp
352d5a3a 982# endif
36477c24 983#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 984
fc36a67e 985#ifndef memzero
c635e13b
PP
986# ifdef HAS_MEMSET
987# define memzero(d,l) memset(d,0,l)
79072805 988# else
c635e13b
PP
989# ifdef HAS_BZERO
990# define memzero(d,l) bzero(d,l)
79072805 991# else
fc36a67e 992# define memzero(d,l) my_bzero(d,l)
79072805
LW
993# endif
994# endif
d9d8d8de 995#endif
378cc40b 996
2f42fcb0 997#ifndef PERL_MICRO
0f27ced1
JH
998#ifndef memchr
999# ifndef HAS_MEMCHR
1000# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1001# endif
1002#endif
2f42fcb0 1003#endif
0f27ced1 1004
36477c24
PP
1005#ifndef HAS_BCMP
1006# ifndef bcmp
1007# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1008# endif
36477c24 1009#endif /* !HAS_BCMP */
378cc40b 1010
ae986130 1011#ifdef I_NETINET_IN
79072805 1012# include <netinet/in.h>
ae986130
LW
1013#endif
1014
28e8609d
JH
1015#ifdef I_ARPA_INET
1016# include <arpa/inet.h>
1017#endif
1018
1aef975c 1019#ifdef I_SYS_STAT
84902520 1020# include <sys/stat.h>
1aef975c 1021#endif
79072805 1022
287a962e
JD
1023/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1024 This definition should ideally go into win32/win32.h, but S_IFIFO is
1025 used later here in perl.h before win32/win32.h is being included. */
1026#if !defined(S_IFIFO) && defined(_S_IFIFO)
1027# define S_IFIFO _S_IFIFO
1028#endif
1029
cc3315ba 1030/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1031 like UTekV) are broken, sometimes giving false positives. Undefine
1032 them here and let the code below set them to proper values.
1033
1034 The ghs macro stands for GreenHills Software C-1.8.5 which
1035 is the C compiler for sysV88 and the various derivatives.
1036 This header file bug is corrected in gcc-2.5.8 and later versions.
1037 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1038
cc3315ba 1039#if defined(m88k) && defined(ghs)
79072805
LW
1040# undef S_ISDIR
1041# undef S_ISCHR
1042# undef S_ISBLK
1043# undef S_ISREG
1044# undef S_ISFIFO
1045# undef S_ISLNK
ee0007ab 1046#endif
135863df 1047
663a0e37
LW
1048#ifdef I_TIME
1049# include <time.h>
ffed7fef 1050#endif
663a0e37 1051
fe14fcc3 1052#ifdef I_SYS_TIME
85e6fe83 1053# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1054# define KERNEL
1055# endif
1056# include <sys/time.h>
85e6fe83 1057# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1058# undef KERNEL
1059# endif
a687059c 1060#endif
135863df 1061
55497cff 1062#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1063# include <sys/times.h>
d9d8d8de 1064#endif
8d063cd8 1065
fe14fcc3 1066#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1067# undef HAS_STRERROR
663a0e37
LW
1068#endif
1069
1070#include <errno.h>
1e743fda 1071
acfe0abc 1072#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1073# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1074#endif
1075
8cfab5ff 1076/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1077 * This is important for using IPv6.
8cfab5ff
JH
1078 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1079 * a bad idea since it breaks send() and recv(). */
1080#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1081# define _SOCKADDR_LEN
1082#endif
1083
da70cfc6 1084#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1085# include <sys/socket.h>
1086# if defined(USE_SOCKS) && defined(I_SOCKS)
1087# if !defined(INCLUDE_PROTOTYPES)
1088# define INCLUDE_PROTOTYPES /* for <socks.h> */
1089# define PERL_SOCKS_NEED_PROTOTYPES
1090# endif
1091# include <socks.h>
1092# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1093# undef INCLUDE_PROTOTYPES
1094# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1095# endif
d460ef45 1096# endif
1e743fda 1097# ifdef I_NETDB
2986a63f
JH
1098# ifdef NETWARE
1099# include<stdio.h>
1100# endif
1e743fda
JH
1101# include <netdb.h>
1102# endif
1103# ifndef ENOTSOCK
1104# ifdef I_NET_ERRNO
1105# include <net/errno.h>
1106# endif
1107# endif
1108#endif
1109
fa0a29af 1110/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1111 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1112 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1113#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1114# if defined(__THROW) && defined(__GLIBC__)
1115int sockatmark(int) __THROW;
1116# else
2ef53570 1117int sockatmark(int);
29820b6d 1118# endif
2ef53570
JH
1119#endif
1120
7e827271 1121#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
1122EXTERN_C int fchdir(int);
1123EXTERN_C int flock(int, int);
1124EXTERN_C int fseeko(FILE *, off_t, int);
1125EXTERN_C off_t ftello(FILE *);
1126#endif
1127
7e827271 1128#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1129EXTERN_C char *crypt(const char *, const char *);
7e827271 1130EXTERN_C char **environ;
1ccb7c8d
JH
1131#endif
1132
83a6ff2e 1133#if defined(__cplusplus)
ce3470dc 1134# if defined(BSDish)
b91fbb93 1135EXTERN_C char **environ;
83a6ff2e 1136# elif defined(__CYGWIN__)
667e2948
SP
1137EXTERN_C char *crypt(const char *, const char *);
1138#endif
83a6ff2e 1139#endif
667e2948 1140
1e743fda
JH
1141#ifdef SETERRNO
1142# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1143#endif
f86702cc
PP
1144
1145#ifdef VMS
1146# define SETERRNO(errcode,vmserrcode) \
1147 STMT_START { \
1148 set_errno(errcode); \
1149 set_vaxc_errno(vmserrcode); \
1150 } STMT_END
4ee39169
CS
1151# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1152# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1153# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1154# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1155
93189314
JH
1156# define LIB_INVARG LIB$_INVARG
1157# define RMS_DIR RMS$_DIR
1158# define RMS_FAC RMS$_FAC
1159# define RMS_FEX RMS$_FEX
1160# define RMS_FNF RMS$_FNF
1161# define RMS_IFI RMS$_IFI
1162# define RMS_ISI RMS$_ISI
1163# define RMS_PRV RMS$_PRV
1164# define SS_ACCVIO SS$_ACCVIO
1165# define SS_DEVOFFLINE SS$_DEVOFFLINE
1166# define SS_IVCHAN SS$_IVCHAN
1167# define SS_NORMAL SS$_NORMAL
748a9306 1168#else
93189314
JH
1169# define LIB_INVARG 0
1170# define RMS_DIR 0
1171# define RMS_FAC 0
1172# define RMS_FEX 0
1173# define RMS_FNF 0
1174# define RMS_IFI 0
1175# define RMS_ISI 0
1176# define RMS_PRV 0
1177# define SS_ACCVIO 0
1178# define SS_DEVOFFLINE 0
1179# define SS_IVCHAN 0
1180# define SS_NORMAL 0
748a9306 1181#endif
ed6116ce 1182
6ca940a9
TC
1183#ifdef WIN32
1184# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1185# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1186# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1187# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1188#endif
1189
1190#ifdef OS2
1191# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1192# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1193# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1194# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1195#endif
1196
1197#ifndef SETERRNO
1198# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1199#endif
1200
1201#ifndef dSAVEDERRNO
1202# define dSAVEDERRNO int saved_errno
1203# define dSAVE_ERRNO int saved_errno = errno
1204# define SAVE_ERRNO (saved_errno = errno)
1205# define RESTORE_ERRNO (errno = saved_errno)
1206#endif
1207
f5fa9033 1208#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1209
1210#define CLEAR_ERRSV() STMT_START { \
1211 if (!GvSV(PL_errgv)) { \
1212 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1213 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1214 SvREFCNT_dec(GvSV(PL_errgv)); \
1215 GvSV(PL_errgv) = newSVpvs(""); \
1216 } else { \
1217 SV *const errsv = GvSV(PL_errgv); \
1218 sv_setpvs(errsv, ""); \
1219 if (SvMAGICAL(errsv)) { \
1220 mg_free(errsv); \
1221 } \
1222 SvPOK_only(errsv); \
1223 } \
1224 } STMT_END
1225
1226
414bf5ae
MHM
1227#ifdef PERL_CORE
1228# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1229# define DEFSV_set(sv) \
1230 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1231# define SAVE_DEFSV \
1232 ( \
1233 save_gp(PL_defgv, 0), \
1234 GvINTRO_off(PL_defgv), \
1235 SAVEGENERICSV(GvSV(PL_defgv)), \
1236 GvSV(PL_defgv) = NULL \
1237 )
414bf5ae
MHM
1238#else
1239# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1240# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1241# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1242#endif
38a03e6e 1243
55497cff 1244#ifndef errno
5ff3f7a4
GS
1245 extern int errno; /* ANSI allows errno to be an lvalue expr.
1246 * For example in multithreaded environments
1247 * something like this might happen:
1248 * extern int *_errno(void);
1249 * #define errno (*_errno()) */
d9d8d8de 1250#endif
663a0e37 1251
7e996671
KW
1252#define UNKNOWN_ERRNO_MSG "(unknown)"
1253
2304df62 1254#ifdef HAS_STRERROR
b3e384bf 1255# ifndef DONT_DECLARE_STD
a0d0e21e 1256# ifdef VMS
20ce7b12 1257 char *strerror (int,...);
a0d0e21e 1258# else
20ce7b12 1259 char *strerror (int);
a0d0e21e 1260# endif
b3e384bf
KW
1261# endif
1262# ifndef Strerror
1263# define Strerror strerror
1264# endif
2304df62
AD
1265#else
1266# ifdef HAS_SYS_ERRLIST
79072805
LW
1267 extern int sys_nerr;
1268 extern char *sys_errlist[];
2304df62
AD
1269# ifndef Strerror
1270# define Strerror(e) \
7e996671 1271 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1272# endif
79072805 1273# endif
35c8bce7 1274#endif
663a0e37 1275
2304df62 1276#ifdef I_SYS_IOCTL
79072805
LW
1277# ifndef _IOCTL_
1278# include <sys/ioctl.h>
1279# endif
a687059c
LW
1280#endif
1281
ee0007ab 1282#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1283# ifdef HAS_SOCKETPAIR
1284# undef HAS_SOCKETPAIR
1285# endif
2304df62
AD
1286# ifdef I_NDBM
1287# undef I_NDBM
79072805 1288# endif
a687059c
LW
1289#endif
1290
02fc2eee
NC
1291#ifndef HAS_SOCKETPAIR
1292# ifdef HAS_SOCKET
1293# define socketpair Perl_my_socketpair
1294# endif
1295#endif
1296
a687059c 1297#if INTSIZE == 2
79072805
LW
1298# define htoni htons
1299# define ntohi ntohs
a687059c 1300#else
79072805
LW
1301# define htoni htonl
1302# define ntohi ntohl
a687059c
LW
1303#endif
1304
a0d0e21e 1305/* Configure already sets Direntry_t */
35c8bce7 1306#if defined(I_DIRENT)
663a0e37 1307# include <dirent.h>
8f1f23e8
W
1308 /* NeXT needs dirent + sys/dir.h */
1309# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1310# include <sys/dir.h>
1311# endif
ae986130 1312#else
fe14fcc3 1313# ifdef I_SYS_NDIR
79a0689e 1314# include <sys/ndir.h>
663a0e37 1315# else
fe14fcc3 1316# ifdef I_SYS_DIR
79a0689e
LW
1317# ifdef hp9000s500
1318# include <ndir.h> /* may be wrong in the future */
1319# else
1320# include <sys/dir.h>
1321# endif
663a0e37
LW
1322# endif
1323# endif
4633a7c4 1324#endif
a687059c 1325
c623bd54
LW
1326/*
1327 * The following gobbledygook brought to you on behalf of __STDC__.
1328 * (I could just use #ifndef __STDC__, but this is more bulletproof
1329 * in the face of half-implementations.)
1330 */
1331
21e89b5f 1332#if defined(I_SYSMODE)
ca6e1c26
JH
1333#include <sys/mode.h>
1334#endif
1335
c623bd54
LW
1336#ifndef S_IFMT
1337# ifdef _S_IFMT
1338# define S_IFMT _S_IFMT
1339# else
1340# define S_IFMT 0170000
1341# endif
1342#endif
1343
1344#ifndef S_ISDIR
1345# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1346#endif
1347
1348#ifndef S_ISCHR
1349# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1350#endif
1351
1352#ifndef S_ISBLK
fe14fcc3
LW
1353# ifdef S_IFBLK
1354# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1355# else
1356# define S_ISBLK(m) (0)
1357# endif
c623bd54
LW
1358#endif
1359
1360#ifndef S_ISREG
1361# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1362#endif
1363
1364#ifndef S_ISFIFO
fe14fcc3
LW
1365# ifdef S_IFIFO
1366# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1367# else
1368# define S_ISFIFO(m) (0)
1369# endif
c623bd54
LW
1370#endif
1371
1372#ifndef S_ISLNK
1373# ifdef _S_ISLNK
1374# define S_ISLNK(m) _S_ISLNK(m)
1375# else
1376# ifdef _S_IFLNK
1377# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1378# else
1379# ifdef S_IFLNK
1380# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1381# else
1382# define S_ISLNK(m) (0)
1383# endif
1384# endif
1385# endif
1386#endif
1387
1388#ifndef S_ISSOCK
1389# ifdef _S_ISSOCK
1390# define S_ISSOCK(m) _S_ISSOCK(m)
1391# else
1392# ifdef _S_IFSOCK
1393# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1394# else
1395# ifdef S_IFSOCK
1396# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1397# else
1398# define S_ISSOCK(m) (0)
1399# endif
1400# endif
1401# endif
1402#endif
1403
1404#ifndef S_IRUSR
1405# ifdef S_IREAD
1406# define S_IRUSR S_IREAD
1407# define S_IWUSR S_IWRITE
1408# define S_IXUSR S_IEXEC
1409# else
1410# define S_IRUSR 0400
1411# define S_IWUSR 0200
1412# define S_IXUSR 0100
1413# endif
fac7cdfc 1414#endif
1415
1416#ifndef S_IRGRP
1417# ifdef S_IRUSR
1418# define S_IRGRP (S_IRUSR>>3)
1419# define S_IWGRP (S_IWUSR>>3)
1420# define S_IXGRP (S_IXUSR>>3)
1421# else
1422# define S_IRGRP 0040
1423# define S_IWGRP 0020
1424# define S_IXGRP 0010
1425# endif
1426#endif
1427
1428#ifndef S_IROTH
1429# ifdef S_IRUSR
1430# define S_IROTH (S_IRUSR>>6)
1431# define S_IWOTH (S_IWUSR>>6)
1432# define S_IXOTH (S_IXUSR>>6)
1433# else
1434# define S_IROTH 0040
1435# define S_IWOTH 0020
1436# define S_IXOTH 0010
1437# endif
c623bd54
LW
1438#endif
1439
1440#ifndef S_ISUID
1441# define S_ISUID 04000
1442#endif
1443
1444#ifndef S_ISGID
1445# define S_ISGID 02000
1446#endif
1447
ca6e1c26
JH
1448#ifndef S_IRWXU
1449# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1450#endif
ca6e1c26
JH
1451
1452#ifndef S_IRWXG
1453# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1454#endif
ca6e1c26
JH
1455
1456#ifndef S_IRWXO
1457# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1458#endif
ca6e1c26 1459
b6c36746 1460/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1461 * which would get included through <sys/file.h >, but that is 3000
1462 * lines in the future. --jhi */
1463
b6c36746 1464#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1465# define S_IREAD S_IRUSR
1466#endif
1467
b6c36746 1468#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1469# define S_IWRITE S_IWUSR
1470#endif
1471
1472#ifndef S_IEXEC
1473# define S_IEXEC S_IXUSR
1474#endif
1475
a0d0e21e 1476#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1477# define SLOPPYDIVIDE
1478#endif
1479
748a9306
LW
1480#ifdef UV
1481#undef UV
1482#endif
1483
ce582cee
NC
1484/* For the times when you want the return value of sprintf, and you want it
1485 to be the length. Can't have a thread variable passed in, because C89 has
1486 no varargs macros.
1487*/
1488#ifdef SPRINTF_RETURNS_STRLEN
1489# define my_sprintf sprintf
1490#else
1491# define my_sprintf Perl_my_sprintf
1492#endif
1493
5b692037
JH
1494/*
1495 * If we have v?snprintf() and the C99 variadic macros, we can just
1496 * use just the v?snprintf(). It is nice to try to trap the buffer
1497 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1498 * gcc statement expressions, then use the function wrappers which try
1499 * to trap the overflow. If we can use the gcc statement expressions,
1500 * we can try that even with the version that uses the C99 variadic
1501 * macros.
5b692037
JH
1502 */
1503
1208b3dd
JH
1504/* Note that we do not check against snprintf()/vsnprintf() returning
1505 * negative values because that is non-standard behaviour and we use
1506 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1507 * that should be true only if the snprintf()/vsnprintf() are true
1508 * to the standard. */
1509
dfeee9b1 1510#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1511# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1512# define my_snprintf(buffer, len, ...) ({ int __len__ = snprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (len)) Perl_croak_nocontext("panic: snprintf buffer overflow"); __len__; })
1208b3dd 1513# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1514# else
1515# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1516# endif
1517#else
1518# define my_snprintf Perl_my_snprintf
1208b3dd 1519# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1520#endif
1521
dfeee9b1 1522#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1523# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1524# define my_vsnprintf(buffer, len, ...) ({ int __len__ = vsnprintf(buffer, len, __VA_ARGS__); if ((len) > 0 && (Size_t)__len__ >= (Size_t)(len)) Perl_croak_nocontext("panic: vsnprintf buffer overflow"); __len__; })
1208b3dd 1525# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1526# else
1527# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1528# endif
1529#else
1530# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1531# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1532#endif
d9fad198 1533
a6cc4119
SP
1534#ifdef HAS_STRLCAT
1535# define my_strlcat strlcat
1536#else
1537# define my_strlcat Perl_my_strlcat
1538#endif
1539
1540#ifdef HAS_STRLCPY
1541# define my_strlcpy strlcpy
1542#else
1543# define my_strlcpy Perl_my_strlcpy
1544#endif
1545
05f13f53 1546/*
27d4fb96
PP
1547 The IV type is supposed to be long enough to hold any integral
1548 value or a pointer.
1549 --Andy Dougherty August 1996
1550*/
1551
a22e52b9
JH
1552typedef IVTYPE IV;
1553typedef UVTYPE UV;
8175356b 1554
10cc9d2a 1555#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1556# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1557# define IV_MAX INT64_MAX
1558# define IV_MIN INT64_MIN
1559# define UV_MAX UINT64_MAX
cae7ae48
JH
1560# ifndef UINT64_MIN
1561# define UINT64_MIN 0
1562# endif
5ff3f7a4
GS
1563# define UV_MIN UINT64_MIN
1564# else
1565# define IV_MAX PERL_QUAD_MAX
1566# define IV_MIN PERL_QUAD_MIN
1567# define UV_MAX PERL_UQUAD_MAX
1568# define UV_MIN PERL_UQUAD_MIN
1569# endif
cf2093f6
JH
1570# define IV_IS_QUAD
1571# define UV_IS_QUAD
79072805 1572#else
8175356b 1573# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1574# define IV_MAX INT32_MAX
1575# define IV_MIN INT32_MIN
716026f9
DL
1576# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1577# define UV_MAX UINT32_MAX
1578# else
1579# define UV_MAX 4294967295U
1580# endif
cae7ae48
JH
1581# ifndef UINT32_MIN
1582# define UINT32_MIN 0
1583# endif
5ff3f7a4
GS
1584# define UV_MIN UINT32_MIN
1585# else
1586# define IV_MAX PERL_LONG_MAX
1587# define IV_MIN PERL_LONG_MIN
1588# define UV_MAX PERL_ULONG_MAX
1589# define UV_MIN PERL_ULONG_MIN
1590# endif
8175356b 1591# if IVSIZE == 8
cf2093f6
JH
1592# define IV_IS_QUAD
1593# define UV_IS_QUAD
de1c2614
JH
1594# ifndef HAS_QUAD
1595# define HAS_QUAD
1596# endif
cf2093f6
JH
1597# else
1598# undef IV_IS_QUAD
1599# undef UV_IS_QUAD
9ea40801 1600#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1601/* We think that removing this decade-old undef this will cause too much
1602 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1603 However, we do need HAS_QUAD in the core for use by the drand48 code,
1604 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1605# undef HAS_QUAD
e25d460c 1606#endif
cf2093f6 1607# endif
79072805 1608#endif
d7d93a81 1609
9a543cee
FC
1610#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1611
cae7ae48 1612#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1613#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1614
28e5dec8 1615#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1616#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1617#endif
1618
d460ef45 1619/*
26bb67e2
JH
1620 * The macros INT2PTR and NUM2PTR are (despite their names)
1621 * bi-directional: they will convert int/float to or from pointers.
1622 * However the conversion to int/float are named explicitly:
1623 * PTR2IV, PTR2UV, PTR2NV.
1624 *
1625 * For int conversions we do not need two casts if pointers are
1626 * the same size as IV and UV. Otherwise we need an explicit
1627 * cast (PTRV) to avoid compiler warnings.
1628 */
56431972
RB
1629#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1630# define PTRV UV
1631# define INT2PTR(any,d) (any)(d)
1632#else
d460ef45 1633# if PTRSIZE == LONGSIZE
56431972 1634# define PTRV unsigned long
e91e3b10 1635# define PTR2ul(p) (unsigned long)(p)
42718184 1636# else
56431972 1637# define PTRV unsigned
42718184 1638# endif
e91e3b10
RB
1639#endif
1640
1641#ifndef INT2PTR
56431972 1642# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1643#endif
e91e3b10
RB
1644
1645#ifndef PTR2ul
1646# define PTR2ul(p) INT2PTR(unsigned long,p)
1647#endif
1648
56431972
RB
1649#define NUM2PTR(any,d) (any)(PTRV)(d)
1650#define PTR2IV(p) INT2PTR(IV,p)
1651#define PTR2UV(p) INT2PTR(UV,p)
1652#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1653#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1654
8141890a
JH
1655/* According to strict ANSI C89 one cannot freely cast between
1656 * data pointers and function (code) pointers. There are at least
1657 * two ways around this. One (used below) is to do two casts,
1658 * first the other pointer to an (unsigned) integer, and then
1659 * the integer to the other pointer. The other way would be
1660 * to use unions to "overlay" the pointers. For an example of
1661 * the latter technique, see union dirpu in struct xpvio in sv.h.
1662 * The only feasible use is probably temporarily storing
1663 * function pointers in a data pointer (such as a void pointer). */
1664
e91e3b10
RB
1665#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1666#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1667
65202027 1668#ifdef USE_LONG_DOUBLE
1048ea30
JH
1669# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1670# define LONG_DOUBLE_EQUALS_DOUBLE
1671# endif
68d4903c 1672# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1673# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1674# endif
1675#endif
1676
2d4389e4
JH
1677#ifdef OVR_DBL_DIG
1678/* Use an overridden DBL_DIG */
1679# ifdef DBL_DIG
1680# undef DBL_DIG
1681# endif
1682# define DBL_DIG OVR_DBL_DIG
1683#else
1684/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1685 default value for printing floating point numbers in Gconvert
1686 (see config.h). (It also has other uses, such as figuring out if
1687 a given precision of printing can be done with a double instead of
1688 a long double - Allen).
2d4389e4
JH
1689*/
1690#ifdef I_LIMITS
1691#include <limits.h>
1692#endif
1693#ifdef I_FLOAT
1694#include <float.h>
1695#endif
1696#ifndef HAS_DBL_DIG
1697#define DBL_DIG 15 /* A guess that works lots of places */
1698#endif
1699#endif
1700
1701#ifdef OVR_LDBL_DIG
1702/* Use an overridden LDBL_DIG */
1703# ifdef LDBL_DIG
1704# undef LDBL_DIG
1705# endif
1706# define LDBL_DIG OVR_LDBL_DIG
1707#else
1708/* The following is all to get LDBL_DIG, in order to pick a nice
1709 default value for printing floating point numbers in Gconvert.
1710 (see config.h)
1711*/
68d4903c
JH
1712# ifdef I_LIMITS
1713# include <limits.h>
1714# endif
1715# ifdef I_FLOAT
1716# include <float.h>
1717# endif
1718# ifndef HAS_LDBL_DIG
1719# if LONG_DOUBLESIZE == 10
1720# define LDBL_DIG 18 /* assume IEEE */
1721# else
1722# if LONG_DOUBLESIZE == 12
1723# define LDBL_DIG 18 /* gcc? */
1724# else
1725# if LONG_DOUBLESIZE == 16
1726# define LDBL_DIG 33 /* assume IEEE */
1727# else
1728# if LONG_DOUBLESIZE == DOUBLESIZE
1729# define LDBL_DIG DBL_DIG /* bummer */
1730# endif
1731# endif
1732# endif
1733# endif
1734# endif
2d4389e4
JH
1735#endif
1736
20f6aaab
AS
1737/*
1738 * This is for making sure we have a good DBL_MAX value, if possible,
1739 * either for usage as NV_MAX or for usage in figuring out if we can
1740 * fit a given long double into a double, if bug-fixing makes it
1741 * necessary to do so. - Allen <allens@cpan.org>
1742 */
1743
205f51d8
AS
1744#ifdef I_LIMITS
1745# include <limits.h>
20f6aaab
AS
1746#endif
1747
205f51d8
AS
1748#ifdef I_VALUES
1749# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1750# include <values.h>
1751# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1752# define DBL_MAX MAXDOUBLE
1753# endif
1754# if defined(MINDOUBLE) && !defined(DBL_MIN)
1755# define DBL_MIN MINDOUBLE
1756# endif
1757# endif
1758#endif /* defined(I_VALUES) */
1759
a22e52b9 1760typedef NVTYPE NV;
8175356b 1761
792d8dab
JH
1762#ifdef I_IEEEFP
1763# include <ieeefp.h>
1764#endif
923fc586 1765
65202027 1766#ifdef USE_LONG_DOUBLE
923fc586
JH
1767# ifdef I_SUNMATH
1768# include <sunmath.h>
1769# endif
2d4389e4 1770# define NV_DIG LDBL_DIG
d6c14000
JH
1771# ifdef LDBL_MANT_DIG
1772# define NV_MANT_DIG LDBL_MANT_DIG
1773# endif
06fc1729
JH
1774# ifdef LDBL_MIN
1775# define NV_MIN LDBL_MIN
1776# endif
1777# ifdef LDBL_MAX
1778# define NV_MAX LDBL_MAX
1779# endif
1780# ifdef LDBL_MIN_10_EXP
1781# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1782# endif
1783# ifdef LDBL_MAX_10_EXP
1784# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1785# endif
1786# ifdef LDBL_EPSILON
1787# define NV_EPSILON LDBL_EPSILON
1788# endif
f4a14a62
JH
1789# ifdef LDBL_MAX
1790# define NV_MAX LDBL_MAX
20f6aaab 1791/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1792# else
1793# ifdef HUGE_VALL
1794# define NV_MAX HUGE_VALL
1795# else
1796# ifdef HUGE_VAL
1797# define NV_MAX ((NV)HUGE_VAL)
1798# endif
1799# endif
1800# endif
68d4903c 1801# ifdef HAS_SQRTL
68d4903c
JH
1802# define Perl_cos cosl
1803# define Perl_sin sinl
1804# define Perl_sqrt sqrtl
1805# define Perl_exp expl
1806# define Perl_log logl
1807# define Perl_atan2 atan2l
1808# define Perl_pow powl
1809# define Perl_floor floorl
1bbae031 1810# define Perl_ceil ceill
68d4903c
JH
1811# define Perl_fmod fmodl
1812# endif
a3540c92
JH
1813/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1814# ifdef HAS_MODFL
1815# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1816/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1817 prototype in <math.h> */
1818# ifndef HAS_MODFL_PROTO
a221a8a5 1819EXTERN_C long double modfl(long double, long double *);
51997bc3 1820# endif
03476e8e
JH
1821# else
1822# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1823 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1824# define Perl_modf(x,y) Perl_my_modfl(x,y)
1825# endif
a3540c92
JH
1826# endif
1827# ifdef HAS_FREXPL
dff3e0b8 1828# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1829# else
1830# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1831 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1832# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1833# endif
a3540c92 1834# endif
38dbb4c5 1835# ifndef Perl_isnan
758a5d79
JH
1836# ifdef HAS_ISNANL
1837# define Perl_isnan(x) isnanl(x)
1838# endif
1839# endif
1840# ifndef Perl_isinf
1841# ifdef HAS_FINITEL
1842# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1843# endif
1844# endif
65202027 1845#else
2d4389e4 1846# define NV_DIG DBL_DIG
d6c14000
JH
1847# ifdef DBL_MANT_DIG
1848# define NV_MANT_DIG DBL_MANT_DIG
1849# endif
06fc1729
JH
1850# ifdef DBL_MIN
1851# define NV_MIN DBL_MIN
1852# endif
1853# ifdef DBL_MAX
1854# define NV_MAX DBL_MAX
1855# endif
1856# ifdef DBL_MIN_10_EXP
1857# define NV_MIN_10_EXP DBL_MIN_10_EXP
1858# endif
1859# ifdef DBL_MAX_10_EXP
1860# define NV_MAX_10_EXP DBL_MAX_10_EXP
1861# endif
1862# ifdef DBL_EPSILON
1863# define NV_EPSILON DBL_EPSILON
1864# endif
205f51d8 1865# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1866# define NV_MAX DBL_MAX
1867# define NV_MIN DBL_MIN
1868# else
1869# ifdef HUGE_VAL
1870# define NV_MAX HUGE_VAL
1871# endif
1872# endif
65202027
DS
1873# define Perl_cos cos
1874# define Perl_sin sin
1875# define Perl_sqrt sqrt
1876# define Perl_exp exp
1877# define Perl_log log
1878# define Perl_atan2 atan2
1879# define Perl_pow pow
1880# define Perl_floor floor
1bbae031 1881# define Perl_ceil ceil
65202027 1882# define Perl_fmod fmod
a3540c92 1883# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1884# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1885#endif
1886
1887/* rumor has it that Win32 has _fpclass() */
1888
205f51d8
AS
1889/* SGI has fpclassl... but not with the same result values,
1890 * and it's via a typedef (not via #define), so will need to redo Configure
1891 * to use. Not worth the trouble, IMO, at least until the below is used
1892 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1893 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1894 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1895
758a5d79
JH
1896#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1897# ifdef I_IEEFP
1898# include <ieeefp.h>
1899# endif
1900# ifdef I_FP
1901# include <fp.h>
1902# endif
1903# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1904# define Perl_fp_class() fpclassl(x)
1905# else
1906# define Perl_fp_class() fpclass(x)
1907# endif
1908# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1909# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1910# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1911# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1912# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1913# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1914# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1915# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1916# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1917# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1918# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1919# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1920# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1921# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1922# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1923#endif
1924
21e89b5f 1925#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1926# include <math.h>
1927# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1928# include <fp_class.h>
1929# endif
1930# define Perl_fp_class(x) fp_class(x)
1931# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1932# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1933# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1934# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1935# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1936# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1937# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1938# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1939# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1940# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1941# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1942# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1943# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1944# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1945# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1946#endif
1947
1948#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1949# include <math.h>
1950# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1951# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1952# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1953# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1954# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1955# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1956#endif
1957
1958#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1959# include <math.h>
1960# ifndef _cplusplus
1961# define Perl_fp_class(x) class(x)
1962# else
1963# define Perl_fp_class(x) _class(x)
1964# endif
1965# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1966# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1967# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1968# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1969# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1970# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1971# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1972# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1973# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1974# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1975# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1976# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1977# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1978# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1979# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1980#endif
1981
1982/* rumor has it that Win32 has _isnan() */
1983
1984#ifndef Perl_isnan
a3540c92 1985# ifdef HAS_ISNAN
758a5d79
JH
1986# define Perl_isnan(x) isnan((NV)x)
1987# else
1988# ifdef Perl_fp_class_nan
1989# define Perl_isnan(x) Perl_fp_class_nan(x)
1990# else
1991# ifdef HAS_UNORDERED
1992# define Perl_isnan(x) unordered((x), 0.0)
1993# else
1994# define Perl_isnan(x) ((x)!=(x))
1995# endif
1996# endif
1997# endif
1998#endif
1999
ca6c63e1
JH
2000#ifdef UNDER_CE
2001int isnan(double d);
2002#endif
2003
758a5d79
JH
2004#ifndef Perl_isinf
2005# ifdef HAS_ISINF
2006# define Perl_isinf(x) isinf((NV)x)
a3540c92 2007# else
758a5d79
JH
2008# ifdef Perl_fp_class_inf
2009# define Perl_isinf(x) Perl_fp_class_inf(x)
2010# else
2011# define Perl_isinf(x) ((x)==NV_INF)
2012# endif
2013# endif
2014#endif
2015
2016#ifndef Perl_isfinite
2017# ifdef HAS_FINITE
2018# define Perl_isfinite(x) finite((NV)x)
2019# else
2020# ifdef HAS_ISFINITE
2021# define Perl_isfinite(x) isfinite(x)
2022# else
2023# ifdef Perl_fp_class_finite
2024# define Perl_isfinite(x) Perl_fp_class_finite(x)
2025# else
2026# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2027# endif
2028# endif
a3540c92 2029# endif
65202027
DS
2030#endif
2031
a36244b7
JH
2032/* The default is to use Perl's own atof() implementation (in numeric.c).
2033 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2034 * it is however best to use the native implementation of atof.
2035 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2036 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2037 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2038 * you may need to be using a different function than atof! */
a36244b7
JH
2039
2040#ifndef USE_PERL_ATOF
2041# ifndef _UNICOS
2042# define USE_PERL_ATOF
2043# endif
2044#else
2045# if USE_PERL_ATOF == 0
2046# undef USE_PERL_ATOF
2047# endif
2048#endif
2049
2050#ifdef USE_PERL_ATOF
2051# define Perl_atof(s) Perl_my_atof(s)
2052# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2053#else
2054# define Perl_atof(s) (NV)atof(s)
2055# define Perl_atof2(s, n) ((n) = atof(s))
2056#endif
cf2093f6 2057
d460ef45 2058/* Previously these definitions used hardcoded figures.
760ac839
LW
2059 * It is hoped these formula are more portable, although
2060 * no data one way or another is presently known to me.
2061 * The "PERL_" names are used because these calculated constants
2062 * do not meet the ANSI requirements for LONG_MAX, etc., which
2063 * need to be constants acceptable to #if - kja
2064 * define PERL_LONG_MAX 2147483647L
2065 * define PERL_LONG_MIN (-LONG_MAX - 1)
2066 * define PERL ULONG_MAX 4294967295L
2067 */
2068
2069#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2070# include <limits.h>
760ac839 2071#endif
205f51d8 2072/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2073 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2074
99abf803
PP
2075/*
2076 * Try to figure out max and min values for the integral types. THE CORRECT
2077 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2078 * following hacks are used if neither limits.h or values.h provide them:
2079 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2080 * for types < int: (unsigned TYPE)~(unsigned)0
2081 * The argument to ~ must be unsigned so that later signed->unsigned
2082 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2083 * and it must not be smaller than int because ~ does integral promotion.
2084 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2085 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2086 * The latter is a hack which happens to work on some machines but
2087 * does *not* catch any random system, or things like integer types
2088 * with NaN if that is possible.
2089 *
2090 * All of the types are explicitly cast to prevent accidental loss of
2091 * numeric range, and in the hope that they will be less likely to confuse
2092 * over-eager optimizers.
2093 *
2094 */
27d4fb96 2095
99abf803
PP
2096#define PERL_UCHAR_MIN ((unsigned char)0)
2097
2098#ifdef UCHAR_MAX
2099# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2100#else
99abf803
PP
2101# ifdef MAXUCHAR
2102# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2103# else
99abf803 2104# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2105# endif
2106#endif
d460ef45 2107
99abf803
PP
2108/*
2109 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2110 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2111 * depending on local options. Until Configure detects this (or at least
2112 * detects whether the "signed" keyword is available) the CHAR ranges
2113 * will not be included. UCHAR functions normally.
2114 * - kja
2115 */
27d4fb96 2116
99abf803
PP
2117#define PERL_USHORT_MIN ((unsigned short)0)
2118
2119#ifdef USHORT_MAX
2120# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2121#else
99abf803
PP
2122# ifdef MAXUSHORT
2123# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2124# else
ef2f54b0
CB
2125# ifdef USHRT_MAX
2126# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2127# else
2128# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2129# endif
27d4fb96
PP
2130# endif
2131#endif
2132
27d4fb96 2133#ifdef SHORT_MAX
99abf803 2134# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2135#else
2136# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2137# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2138# else
ef2f54b0
CB
2139# ifdef SHRT_MAX
2140# define PERL_SHORT_MAX ((short)SHRT_MAX)
2141# else
2142# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2143# endif
27d4fb96
PP
2144# endif
2145#endif
2146
2147#ifdef SHORT_MIN
99abf803 2148# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2149#else
2150# ifdef MINSHORT
99abf803 2151# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2152# else
ef2f54b0
CB
2153# ifdef SHRT_MIN
2154# define PERL_SHORT_MIN ((short)SHRT_MIN)
2155# else
2156# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2157# endif
27d4fb96
PP
2158# endif
2159#endif
2160
99abf803
PP
2161#ifdef UINT_MAX
2162# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2163#else
99abf803
PP
2164# ifdef MAXUINT
2165# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2166# else
99abf803 2167# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2168# endif
2169#endif
2170
99abf803 2171#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2172
2173#ifdef INT_MAX
99abf803 2174# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2175#else
2176# ifdef MAXINT /* Often used in <values.h> */
99abf803 2177# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2178# else
99abf803 2179# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2180# endif
2181#endif
2182
2183#ifdef INT_MIN
99abf803 2184# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2185#else
2186# ifdef MININT
99abf803 2187# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2188# else
2189# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2190# endif
2191#endif
2192
99abf803
PP
2193#ifdef ULONG_MAX
2194# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2195#else
99abf803
PP
2196# ifdef MAXULONG
2197# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2198# else
99abf803 2199# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2200# endif
2201#endif
2202
99abf803 2203#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2204
760ac839 2205#ifdef LONG_MAX
99abf803 2206# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2207#else
2208# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2209# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2210# else
99abf803 2211# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2212# endif
2213#endif
2214
2215#ifdef LONG_MIN
99abf803 2216# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2217#else
2218# ifdef MINLONG
99abf803 2219# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2220# else
27d4fb96 2221# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2222# endif
2223#endif
2224
d7d93a81 2225#ifdef UV_IS_QUAD
99abf803 2226
99abf803 2227# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2228# define PERL_UQUAD_MIN ((UV)0)
99abf803 2229# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2230# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2231
79072805
LW
2232#endif
2233
ee0007ab 2234typedef MEM_SIZE STRLEN;
450a55e4 2235
598921a7
NC
2236#ifdef PERL_MAD
2237typedef struct token TOKEN;
2238typedef struct madprop MADPROP;
2239typedef struct nexttoken NEXTTOKE;
2240#endif
79072805
LW
2241typedef struct op OP;
2242typedef struct cop COP;
2243typedef struct unop UNOP;
2244typedef struct binop BINOP;
2245typedef struct listop LISTOP;
2246typedef struct logop LOGOP;
79072805
LW
2247typedef struct pmop PMOP;
2248typedef struct svop SVOP;
7934575e 2249typedef struct padop PADOP;
79072805 2250typedef struct pvop PVOP;
79072805
LW
2251typedef struct loop LOOP;
2252
7aef8e5b 2253#ifdef PERL_CORE
8be227ab
FC
2254typedef struct opslab OPSLAB;
2255typedef struct opslot OPSLOT;
2256#endif
2257
52db365a 2258typedef struct block_hooks BHK;
1830b3d9 2259typedef struct custom_op XOP;
52db365a 2260
cd1541b2
NC
2261typedef struct interpreter PerlInterpreter;
2262
d2b3f365 2263/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2264#if defined(__sgi)
d2b3f365 2265# define STRUCT_SV perl_sv
b8d3c5db
JH
2266#else
2267# define STRUCT_SV sv
2268#endif
2269typedef struct STRUCT_SV SV;
79072805
LW
2270typedef struct av AV;
2271typedef struct hv HV;
2272typedef struct cv CV;
d2f13c59 2273typedef struct p5rx REGEXP;
79072805 2274typedef struct gp GP;
0c30d9ec 2275typedef struct gv GV;
8990e307 2276typedef struct io IO;
c09156bb 2277typedef struct context PERL_CONTEXT;
79072805
LW
2278typedef struct block BLOCK;
2279
2280typedef struct magic MAGIC;
2281typedef struct xpv XPV;
2282typedef struct xpviv XPVIV;
ff68c719 2283typedef struct xpvuv XPVUV;
79072805
LW
2284typedef struct xpvnv XPVNV;
2285typedef struct xpvmg XPVMG;
2286typedef struct xpvlv XPVLV;
d361b004 2287typedef struct xpvinvlist XINVLIST;
79072805
LW
2288typedef struct xpvav XPVAV;
2289typedef struct xpvhv XPVHV;
2290typedef struct xpvgv XPVGV;
2291typedef struct xpvcv XPVCV;
2292typedef struct xpvbm XPVBM;
2293typedef struct xpvfm XPVFM;
8990e307 2294typedef struct xpvio XPVIO;
79072805
LW
2295typedef struct mgvtbl MGVTBL;
2296typedef union any ANY;
5f7fde29
GS
2297typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2298typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2299typedef struct clone_params CLONE_PARAMS;
2300
35e035cc 2301/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2302 * so hide the type. */
2303typedef struct padlist PADLIST;
67634234 2304typedef AV PAD;
35e035cc
FC
2305typedef AV PADNAMELIST;
2306typedef SV PADNAME;
67634234 2307
13b0f67d
DM
2308/* enable PERL_NEW_COPY_ON_WRITE by default */
2309#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2310# define PERL_NEW_COPY_ON_WRITE
2311#endif
07d01d6e 2312
db2c6cb3
FC
2313#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2314# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2315# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2316# else
2317# define PERL_ANY_COW
2318# endif
9f351b45
DM
2319#else
2320# define PERL_SAWAMPERSAND
db2c6cb3
FC
2321#endif
2322
378cc40b 2323#include "handy.h"
a0d0e21e 2324
6b8eaf93 2325#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2326# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2327# define USE_64_BIT_RAWIO /* implicit */
2328# endif
4564133c
JH
2329#endif
2330
6b8eaf93
JH
2331/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2332 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2333 * however, because operating systems like to do that themself. */
2334#ifndef FSEEKSIZE
2335# ifdef HAS_FSEEKO
2336# define FSEEKSIZE LSEEKSIZE
2337# else
2338# define FSEEKSIZE LONGSIZE
d460ef45 2339# endif
6b8eaf93
JH
2340#endif
2341
2342#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2343# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2344# define USE_64_BIT_STDIO /* implicit */
2345# endif
2346#endif
4564133c 2347
09458382 2348#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2349# ifdef HAS_OFF64_T
2350# undef Off_t
2351# define Off_t off64_t
2352# undef LSEEKSIZE
2353# define LSEEKSIZE 8
5ff3f7a4 2354# endif
d9b3e12d
JH
2355/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2356 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2357 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2358# if defined(USE_OPEN64)
2359# define open open64
5ff3f7a4 2360# endif
d9b3e12d
JH
2361# if defined(USE_LSEEK64)
2362# define lseek lseek64
6b8eaf93
JH
2363# else
2364# if defined(USE_LLSEEK)
2365# define lseek llseek
2366# endif
d9b3e12d
JH
2367# endif
2368# if defined(USE_STAT64)
2369# define stat stat64
2370# endif
2371# if defined(USE_FSTAT64)
2372# define fstat fstat64
2373# endif
2374# if defined(USE_LSTAT64)
2375# define lstat lstat64
2376# endif
2377# if defined(USE_FLOCK64)
2378# define flock flock64
2379# endif
2380# if defined(USE_LOCKF64)
2381# define lockf lockf64
2382# endif
2383# if defined(USE_FCNTL64)
2384# define fcntl fcntl64
2385# endif
2386# if defined(USE_TRUNCATE64)
2387# define truncate truncate64
2388# endif
2389# if defined(USE_FTRUNCATE64)
2390# define ftruncate ftruncate64
2391# endif
2392#endif
2393
2394#ifdef USE_64_BIT_STDIO
2395# ifdef HAS_FPOS64_T
2396# undef Fpos_t
2397# define Fpos_t fpos64_t
2398# endif
2399/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2400 * will trigger defines like the ones below. Some 64-bit environments,
2401 * however, do not. */
2402# if defined(USE_FOPEN64)
2403# define fopen fopen64
2404# endif
2405# if defined(USE_FSEEK64)
6b8eaf93 2406# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2407# endif
2408# if defined(USE_FTELL64)
6b8eaf93 2409# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2410# endif
2411# if defined(USE_FSETPOS64)
2412# define fsetpos fsetpos64
2413# endif
2414# if defined(USE_FGETPOS64)
2415# define fgetpos fgetpos64
2416# endif
2417# if defined(USE_TMPFILE64)
2418# define tmpfile tmpfile64
2419# endif
2420# if defined(USE_FREOPEN64)
2421# define freopen freopen64
5ff3f7a4
GS
2422# endif
2423#endif
2424
e37778c2 2425#if defined(OS2)
2c2d71f5
JH
2426# include "iperlsys.h"
2427#endif
2428
748a9306 2429#ifdef DOSISH
19848b3f
JH
2430# if defined(OS2)
2431# include "os2ish.h"
2432# else
2433# include "dosish.h"
2434# endif
009819bb 2435#elif defined(VMS)
748a9306 2436# include "vmsish.h"
009819bb 2437#elif defined(PLAN9)
19848b3f 2438# include "./plan9/plan9ish.h"
009819bb 2439#elif defined(__VOS__)
196918b0
PG
2440# ifdef __GNUC__
2441# include "./vos/vosish.h"
2442# else
2443# include "vos/vosish.h"
2444# endif
009819bb 2445#elif defined(__SYMBIAN32__)
27da23d5 2446# include "symbian/symbianish.h"
009819bb 2447#elif defined(__HAIKU__)
df00ff3b 2448# include "haiku/haikuish.h"
009819bb 2449#else
19848b3f 2450# include "unixish.h"
13b6e58c
JH
2451#endif
2452
2946a158
JH
2453/* NSIG logic from Configure --> */
2454/* Strange style to avoid deeply-nested #if/#else/#endif */
2455#ifndef NSIG
2456# ifdef _NSIG
2457# define NSIG (_NSIG)
2458# endif
2459#endif
2460
2461#ifndef NSIG
2462# ifdef SIGMAX
2463# define NSIG (SIGMAX+1)
2464# endif
2465#endif
2466
2467#ifndef NSIG
2468# ifdef SIG_MAX
2469# define NSIG (SIG_MAX+1)
2470# endif
2471#endif
2472
2473#ifndef NSIG
2474# ifdef _SIG_MAX
2475# define NSIG (_SIG_MAX+1)
2476# endif
2477#endif
2478
2479#ifndef NSIG
2480# ifdef MAXSIG
2481# define NSIG (MAXSIG+1)
2482# endif
2483#endif
2484
2485#ifndef NSIG
2486# ifdef MAX_SIG
2487# define NSIG (MAX_SIG+1)
2488# endif
2489#endif
2490
2491#ifndef NSIG
2492# ifdef SIGARRAYSIZE
2493# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2494# endif
2495#endif
2496
2497#ifndef NSIG
2498# ifdef _sys_nsig
2499# define NSIG (_sys_nsig) /* Solaris 2.5 */
2500# endif
2501#endif
2502
2503/* Default to some arbitrary number that's big enough to get most
2504 of the common signals.
2505*/
2506#ifndef NSIG
2507# define NSIG 50
2508#endif
2509/* <-- NSIG logic from Configure */
2510
13b6e58c
JH
2511#ifndef NO_ENVIRON_ARRAY
2512# define USE_ENVIRON_ARRAY
2513#endif
32f822de 2514
c77b533b
JH
2515/*
2516 * initialise to avoid floating-point exceptions from overflow, etc
2517 */
2518#ifndef PERL_FPU_INIT
2519# ifdef HAS_FPSETMASK
2520# if HAS_FLOATINGPOINT_H
2521# include <floatingpoint.h>
2522# endif
ad3a8c67
NC
2523/* Some operating systems have this as a macro, which in turn expands to a comma
2524 expression, and the last sub-expression is something that gets calculated,
2525 and then they have the gall to warn that a value computed is not used. Hence
2526 cast to void. */
2527# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2528# else
2f42fcb0 2529# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2530# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2531# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2532# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2533# else
2534# define PERL_FPU_INIT
2f42fcb0 2535
7014c407 2536# endif
c77b533b
JH
2537# endif
2538#endif
b35112e7
CS
2539#ifndef PERL_FPU_PRE_EXEC
2540# define PERL_FPU_PRE_EXEC {
2541# define PERL_FPU_POST_EXEC }
2542#endif
c77b533b 2543
cbec8ebe
DM
2544#ifndef PERL_SYS_INIT3_BODY
2545# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2546#endif
2547
eb533572 2548/*
4ad9e498 2549=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2550Provides system-specific tune up of the C runtime environment necessary to
72d33970 2551run Perl interpreters. This should be called only once, before creating
eb533572
DM
2552any Perl interpreters.
2553
4ad9e498 2554=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2555Provides system-specific tune up of the C runtime environment necessary to
72d33970 2556run Perl interpreters. This should be called only once, before creating
eb533572
DM
2557any Perl interpreters.
2558
2559=for apidoc Am|void|PERL_SYS_TERM|
2560Provides system-specific clean up of the C runtime environment after
72d33970 2561running Perl interpreters. This should be called only once, after
eb533572
DM
2562freeing any remaining Perl interpreters.
2563
2564=cut
2565 */
2566
cbec8ebe
DM
2567#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2568#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2569#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2570
be708cc0
JH
2571#ifndef PERL_WRITE_MSG_TO_CONSOLE
2572# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2573#endif
2574
0f31cffe
GS
2575#ifndef MAXPATHLEN
2576# ifdef PATH_MAX
b990c8b2
JH
2577# ifdef _POSIX_PATH_MAX
2578# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2579/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2580 * included the null byte or not. Later amendments of POSIX,
2581 * XPG4, the Austin Group, and the Single UNIX Specification
2582 * all explicitly include the null byte in the PATH_MAX.
2583 * Ditto for _POSIX_PATH_MAX. */
2584# define MAXPATHLEN PATH_MAX
b990c8b2 2585# else
09448d78 2586# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2587# endif
2588# else
2589# define MAXPATHLEN (PATH_MAX+1)
2590# endif
0f31cffe 2591# else
d552bce8 2592# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2593# endif
2594#endif
2595
c80263a8
SH
2596/* In case Configure was not used (we are using a "canned config"
2597 * such as Win32, or a cross-compilation setup, for example) try going
2598 * by the gcc major and minor versions. One useful URL is
2599 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2600 * but contrary to this information warn_unused_result seems
2601 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2602 * Also, when building extensions with an installed perl, this allows
2603 * the user to upgrade gcc and get the right attributes, rather than
2604 * relying on the list generated at Configure time. --AD
c80263a8
SH
2605 * Set these up now otherwise we get confused when some of the <*thread.h>
2606 * includes below indirectly pull in <perlio.h> (which needs to know if we
2607 * have HASATTRIBUTE_FORMAT).
2608 */
2609
4d7c7898 2610#ifndef PERL_MICRO
fc2007d4 2611#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2612# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2613# define HASATTRIBUTE_DEPRECATED
2614# endif
c80263a8
SH
2615# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2616# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2617# if defined __MINGW32__
2618# define PRINTF_FORMAT_NULL_OK
2619# endif
c80263a8
SH
2620# endif
2621# if __GNUC__ >= 3 /* 3.0 -> */
2622# define HASATTRIBUTE_MALLOC
2623# endif
2624# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2625# define HASATTRIBUTE_NONNULL
2626# endif
2627# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2628# define HASATTRIBUTE_NORETURN
2629# endif
2630# if __GNUC__ >= 3 /* gcc 3.0 -> */
2631# define HASATTRIBUTE_PURE
2632# endif
42bf5550 2633# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2634# define HASATTRIBUTE_UNUSED
2635# endif
d324fe49
AD
2636# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2637# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2638# endif
c80263a8
SH
2639# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2640# define HASATTRIBUTE_WARN_UNUSED_RESULT
2641# endif
2642#endif
00f254e2 2643#endif /* #ifndef PERL_MICRO */
c80263a8 2644
3db8f154 2645/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2646 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2647 * this results in many functions being undeclared which bothers C++
2648 * May make sense to have threads after "*ish.h" anyway
2649 */
2650
3db8f154 2651#if defined(USE_ITHREADS)
2986a63f
JH
2652# ifdef NETWARE
2653# include <nw5thread.h>
2654# else
32f822de
GS
2655# ifdef WIN32
2656# include <win32thread.h>
2657# else
dd96f567
IZ
2658# ifdef OS2
2659# include "os2thread.h"
2660# else
7f3d1cf1 2661# ifdef I_MACH_CTHREADS
bdd66968 2662# include <mach/cthreads.h>
8f1f23e8 2663# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2664# define MUTEX_INIT_CALLS_MALLOC
2665# endif
7f3d1cf1
BH
2666typedef cthread_t perl_os_thread;
2667typedef mutex_t perl_mutex;
2668typedef condition_t perl_cond;
2669typedef void * perl_key;
2670# else /* Posix threads */
1f5ae88c
JH
2671# ifdef I_PTHREAD
2672# include <pthread.h>
2673# endif
7f3d1cf1
BH
2674typedef pthread_t perl_os_thread;
2675typedef pthread_mutex_t perl_mutex;
2676typedef pthread_cond_t perl_cond;
2677typedef pthread_key_t perl_key;
2678# endif /* I_MACH_CTHREADS */
dd96f567 2679# endif /* OS2 */
32f822de 2680# endif /* WIN32 */
ef4abe76 2681# endif /* NETWARE */
3db8f154 2682#endif /* USE_ITHREADS */
c5be433b 2683
66a93824 2684#if defined(WIN32)
1feb2720 2685# include "win32.h"
c5be433b
GS
2686#endif
2687
2986a63f
JH
2688#ifdef NETWARE
2689# include "netware.h"
2690#endif
2691
e5218da5 2692#define STATUS_UNIX PL_statusvalue
68dc0745 2693#ifdef VMS
6b88bc9c 2694# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2695/*
2696 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2697 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2698 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2699 * be updated also.
2700 */
2701# include <stsdef.h>
2702# include <ssdef.h>
2703/* Presume this because if VMS changes it, it will require a new
2704 * set of APIs for waiting on children for binary compatibility.
2705 */
2706# define child_offset_bits (8)
2707# ifndef C_FAC_POSIX
2708# define C_FAC_POSIX 0x35A000
2709# endif
2710
2711/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2712 * platform from the existing UNIX or Native status values.
2713 */
2714
37038d91 2715# define STATUS_EXIT \
7a7fd8e0
JM
2716 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2717 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2718
7a7fd8e0 2719
fb38d079
JM
2720/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2721 * exit code and shifts the UNIX value over the correct number of bits to
2722 * be a child status. Usually the number of bits is 8, but that could be
2723 * platform dependent. The NATIVE status code is presumed to have either
2724 * from a child process.
7a7fd8e0
JM
2725 */
2726
fb38d079
JM
2727/* This is complicated. The child processes return a true native VMS
2728 status which must be saved. But there is an assumption in Perl that
2729 the UNIX child status has some relationship to errno values, so
00f254e2 2730 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2731 In order to get the string translation correct, for the error, errno
2732 must be EVMSERR, but that generates a different text message
2733 than what the test programs are expecting. So an errno value must
2734 be derived from the native status value when an error occurs.
2735 That will hide the true native status message. With this version of
2736 perl, the true native child status can always be retrieved so that
2737 is not a problem. But in this case, Pl_statusvalue and errno may
2738 have different values in them.
2739 */
7a7fd8e0 2740
fb38d079 2741# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2742 STMT_START { \
2fbb330f
JM
2743 I32 evalue = (I32)n; \
2744 if (evalue == EVMSERR) { \
2745 PL_statusvalue_vms = vaxc$errno; \
2746 PL_statusvalue = evalue; \
7a7fd8e0 2747 } else { \
2fbb330f 2748 PL_statusvalue_vms = evalue; \
fb38d079 2749 if (evalue == -1) { \
3280af22 2750 PL_statusvalue = -1; \
7a7fd8e0
JM
2751 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2752 } else \
fb38d079 2753 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2754 set_vaxc_errno(evalue); \
fb38d079
JM
2755 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2756 set_errno(EVMSERR); \
2757 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2758 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2759 } \
68dc0745 2760 } STMT_END
7a7fd8e0 2761
68dc0745 2762# ifdef VMSISH_STATUS
e5218da5 2763# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2764# else
e5218da5 2765# define STATUS_CURRENT STATUS_UNIX
68dc0745 2766# endif
7a7fd8e0
JM
2767
2768 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2769 * the NATIVE status to an equivalent value. Can not be used to translate
2770 * exit code values as exit code values are not guaranteed to have any
2771 * relationship at all to errno values.
2772 * This is used when Perl is forcing errno to have a specific value.
2773 */
e5218da5 2774# define STATUS_UNIX_SET(n) \
68dc0745 2775 STMT_START { \
7a7fd8e0 2776 I32 evalue = (I32)n; \
0968cdad 2777 PL_statusvalue = evalue; \
3280af22 2778 if (PL_statusvalue != -1) { \
0968cdad
JM
2779 if (PL_statusvalue != EVMSERR) { \
2780 PL_statusvalue &= 0xFFFF; \
2781 if (MY_POSIX_EXIT) \
2782 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2783 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2784 } \
2785 else { \
2786 PL_statusvalue_vms = vaxc$errno; \
2787 } \
68dc0745 2788 } \
0968cdad
JM
2789 else PL_statusvalue_vms = SS$_ABORT; \
2790 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2791 } STMT_END
2792
2793 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2794 * the NATIVE error status based on it.
2795 *
2796 * When in the default mode to comply with the Perl VMS documentation,
2797 * 0 is a success and any other code sets the NATIVE status to a failure
2798 * code of SS$_ABORT.
fb38d079
JM
2799 *
2800 * In the new POSIX EXIT mode, native status will be set so that the
2801 * actual exit code will can be retrieved by the calling program or
2802 * shell.
2803 *
2804 * If the exit code is not clearly a UNIX parent or child exit status,
2805 * it will be passed through as a VMS status.
7a7fd8e0
JM
2806 */
2807
fb38d079 2808# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2809 STMT_START { \
2810 I32 evalue = (I32)n; \
2811 PL_statusvalue = evalue; \
e08e1e1d
JM
2812 if (MY_POSIX_EXIT) { \
2813 if (evalue <= 0xFF00) { \
2814 if (evalue > 0xFF) \
2815 evalue = (evalue >> child_offset_bits) & 0xFF; \
2816 PL_statusvalue_vms = \
2817 (C_FAC_POSIX | (evalue << 3 ) | \
2818 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2819 } else /* forgive them Perl, for they have sinned */ \
2820 PL_statusvalue_vms = evalue; \
2821 } else { \
2822 if (evalue == 0) \
2823 PL_statusvalue_vms = SS$_NORMAL; \
2824 else if (evalue <= 0xFF00) \
2825 PL_statusvalue_vms = SS$_ABORT; \
2826 else { /* forgive them Perl, for they have sinned */ \
2827 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2828 else PL_statusvalue_vms = vaxc$errno; \
2829 /* And obviously used a VMS status value instead of UNIX */ \
2830 PL_statusvalue = EVMSERR; \
2831 } \
2832 set_vaxc_errno(PL_statusvalue_vms); \
2833 } \
68dc0745 2834 } STMT_END
fb38d079 2835
e08e1e1d 2836
6ac6a52b
JM
2837 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2838 * and sets the NATIVE error status based on it. This special case
2839 * is needed to maintain compatibility with past VMS behavior.
2840 *
2841 * In the default mode on VMS, this number is passed through as
2842 * both the NATIVE and UNIX status. Which makes it different
2843 * that the STATUS_UNIX_EXIT_SET.
2844 *
2845 * In the new POSIX EXIT mode, native status will be set so that the
2846 * actual exit code will can be retrieved by the calling program or
2847 * shell.
2848 *
1a3aec58
JM
2849 * A POSIX exit code is from 0 to 255. If the exit code is higher
2850 * than this, it needs to be assumed that it is a VMS exit code and
2851 * passed through.
6ac6a52b
JM
2852 */
2853
2854# define STATUS_EXIT_SET(n) \
2855 STMT_START { \
2856 I32 evalue = (I32)n; \
2857 PL_statusvalue = evalue; \
2858 if (MY_POSIX_EXIT) \
1a3aec58
JM
2859 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2860 PL_statusvalue_vms = \
2861 (C_FAC_POSIX | (evalue << 3 ) | \
2862 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2863 else \
2864 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2865 set_vaxc_errno(PL_statusvalue_vms); \
2866 } STMT_END
2867
fb38d079
JM
2868
2869 /* This macro forces a success status */
7a7fd8e0
JM
2870# define STATUS_ALL_SUCCESS \
2871 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2872
2873 /* This macro forces a failure status */
7a7fd8e0
JM
2874# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2875 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2876 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2877
68dc0745 2878#else
e5218da5 2879# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2880# if defined(WCOREDUMP)
37038d91 2881# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2882 STMT_START { \
2883 PL_statusvalue_posix = (n); \
2884 if (PL_statusvalue_posix == -1) \
2885 PL_statusvalue = -1; \
2886 else { \
2887 PL_statusvalue = \
2888 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2889 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2890 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2891 } \
2892 } STMT_END
2893# elif defined(WIFEXITED)
37038d91 2894# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2895 STMT_START { \
2896 PL_statusvalue_posix = (n); \
2897 if (PL_statusvalue_posix == -1) \
2898 PL_statusvalue = -1; \
2899 else { \
2900 PL_statusvalue = \
2901 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2902 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2903 } \
2904 } STMT_END
2905# else
37038d91 2906# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2907 STMT_START { \
2908 PL_statusvalue_posix = (n); \
2909 if (PL_statusvalue_posix == -1) \
2910 PL_statusvalue = -1; \
2911 else { \
2912 PL_statusvalue = \
2913 PL_statusvalue_posix & 0xFFFF; \
2914 } \
2915 } STMT_END
2916# endif
2917# define STATUS_UNIX_SET(n) \
68dc0745 2918 STMT_START { \
3280af22
NIS
2919 PL_statusvalue = (n); \
2920 if (PL_statusvalue != -1) \
2921 PL_statusvalue &= 0xFFFF; \
68dc0745 2922 } STMT_END
7a7fd8e0 2923# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2924# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2925# define STATUS_CURRENT STATUS_UNIX
37038d91 2926# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2927# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2928# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2929#endif
2930
cc3604b1
GS
2931/* flags in PL_exit_flags for nature of exit() */
2932#define PERL_EXIT_EXPECTED 0x01
31d77e54 2933#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2934#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2935#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2936
b79b76e0 2937#ifndef PERL_CORE
a7cb1f99 2938/* format to use for version numbers in file/directory names */
273cf8d1 2939/* XXX move to Configure? */
b79b76e0
NC
2940/* This was only ever used for the current version, and that can be done at
2941 compile time, as PERL_FS_VERSION, so should we just delete it? */
2942# ifndef PERL_FS_VER_FMT
2943# define PERL_FS_VER_FMT "%d.%d.%d"
2944# endif
2945#endif
2946
2947#ifndef PERL_FS_VERSION
2948# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2949#endif
2950
45bc9206 2951/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2952 * performance issue, so we allow people to disable it. Also, if
2953 * we are using stdio, there are broken implementations of fflush(NULL)
2954 * out there, Solaris being the most prominent.
45bc9206
GS
2955 */
2956#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 2957# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 2958# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2959# else
2960# ifdef FFLUSH_ALL
2961# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2962# else
c5be433b 2963# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2964# endif
66fe083f 2965# endif
45bc9206
GS
2966#endif
2967
7766f137
GS
2968#ifndef PERL_WAIT_FOR_CHILDREN
2969# define PERL_WAIT_FOR_CHILDREN NOOP
2970#endif
2971
ba869deb 2972/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2973#ifndef PERL_SET_INTERP
2974# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2975#endif
2976
2977#ifndef PERL_GET_INTERP
2978# define PERL_GET_INTERP (PL_curinterp)
2979#endif
2980
54aff467 2981#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2982# ifdef MULTIPLICITY
ba869deb 2983# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2984# endif
ba869deb
GS
2985# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2986#endif
2987
00f254e2 2988/*
8896765a 2989 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2990 All that is required is that the perl source does not
00f254e2
KW
2991 use "%-p" or "%-<number>p" or "%<number>p" formats.
2992 These formats will still work in perl code.
486ec47a 2993 See comments in sv.c for further details.
8896765a 2994
8896765a 2995 Robin Barker 2005-07-14
f46d31f2 2996
00f254e2 2997 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 2998*/
8896765a
RB
2999
3000#ifndef SVf_
63ce7bf0 3001# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3002#endif
3003
8896765a 3004#ifndef SVf
104abab4 3005# define SVf "-p"
d2560b70
RB
3006#endif
3007
014ead4b 3008#ifndef SVf32
8896765a 3009# define SVf32 SVf_(32)
014ead4b
RB
3010#endif
3011
3012#ifndef SVf256
8896765a
RB
3013# define SVf256 SVf_(256)
3014#endif
3015
be2597df
MHM
3016#define SVfARG(p) ((void*)(p))
3017
20023040
FC
3018#ifndef HEKf
3019# define HEKf "2p"
3020#endif
3021
b8fa5213
FC
3022/* Not ideal, but we cannot easily include a number in an already-numeric
3023 * format sequence. */
3024#ifndef HEKf256
3025# define HEKf256 "3p"
3026#endif
3027
20023040
FC
3028#define HEKfARG(p) ((void*)(p))
3029
b17a0679
FC
3030/* Takes three arguments: is_utf8, length, str */
3031#ifndef UTF8f
61608bb7 3032# define UTF8f "d%" UVuf "%4p"
b17a0679
FC
3033#endif
3034#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3035
f46d31f2 3036#ifdef PERL_CORE
486ec47a 3037/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3038# undef UVf
3039#else
170cd9e9
NC
3040# ifndef UVf
3041# define UVf UVuf
3042# endif
d2560b70
RB
3043#endif
3044
fcdf39cf
RGS
3045#ifdef HASATTRIBUTE_DEPRECATED
3046# define __attribute__deprecated__ __attribute__((deprecated))
3047#endif
0dbb1585
AL
3048#ifdef HASATTRIBUTE_FORMAT
3049# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3050#endif
3051#ifdef HASATTRIBUTE_MALLOC
77785eea 3052# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3053#endif
0dbb1585 3054#ifdef HASATTRIBUTE_NONNULL
abb2c242 3055# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3056#endif
0dbb1585 3057#ifdef HASATTRIBUTE_NORETURN
abb2c242 3058# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3059#endif
0dbb1585 3060#ifdef HASATTRIBUTE_PURE
abb2c242 3061# define __attribute__pure__ __attribute__((pure))
f22be1b8 3062#endif
0dbb1585
AL
3063#ifdef HASATTRIBUTE_UNUSED
3064# define __attribute__unused__ __attribute__((unused))
3065#endif
3066#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3067# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3068#endif
3069
0dbb1585 3070/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3071#ifndef __attribute__deprecated__
3072# define __attribute__deprecated__
3073#endif
0dbb1585
AL
3074#ifndef __attribute__format__
3075# define __attribute__format__(x,y,z)
3076#endif
f22be1b8 3077#ifndef __attribute__malloc__
abb2c242 3078# define __attribute__malloc__
f22be1b8
JH
3079#endif
3080#ifndef __attribute__nonnull__
abb2c242 3081# define __attribute__nonnull__(a)
f22be1b8
JH
3082#endif
3083#ifndef __attribute__noreturn__
abb2c242 3084# define __attribute__noreturn__
f22be1b8
JH
3085#endif
3086#ifndef __attribute__pure__
abb2c242 3087# define __attribute__pure__
f22be1b8 3088#endif
0dbb1585
AL
3089#ifndef __attribute__unused__
3090# define __attribute__unused__
3091#endif
f22be1b8 3092#ifndef __attribute__warn_unused_result__
abb2c242
JH
3093# define __attribute__warn_unused_result__
3094#endif
3095
0dbb1585
AL
3096/* For functions that are marked as __attribute__noreturn__, it's not
3097 appropriate to call return. In either case, include the lint directive.
3098 */
3099#ifdef HASATTRIBUTE_NORETURN
ae103e09 3100# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3101#else
ae103e09 3102# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH
3103#endif
3104
cdfeb707
RB
3105/* Some OS warn on NULL format to printf */
3106#ifdef PRINTF_FORMAT_NULL_OK
3107# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3108#else
00f254e2 3109# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3110#endif
3111
635aebb7 3112#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3113# define EXPECT(expr,val) __builtin_expect(expr,val)
3114#else
3115# define EXPECT(expr,val) (expr)
3116#endif
6d5abc62
NC
3117#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3118#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3119#ifdef HAS_BUILTIN_CHOOSE_EXPR
3120/* placeholder */
3121#endif
b37c2d43 3122
ae103e09
DD
3123
3124#ifndef __has_builtin
3125# define __has_builtin(x) 0 /* not a clang style compiler */
3126#endif
3127
3128/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3129 hint to a compiler about a statement of fact in a function call free
3130 expression, which allows the compiler to generate better machine code.
3131 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3132 the control path is unreachable. In a for loop, ASSUME can be used to hint
3133 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3134 intrinsic function, see its documents for more details.
3135*/
3136
3137#ifndef DEBUGGING
3138# if __has_builtin(__builtin_unreachable) \
3139 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3140# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3141# elif defined(_MSC_VER)
3142# define ASSUME(x) __assume(x)
3143# elif defined(__ARMCC_VERSION) /* untested */
3144# define ASSUME(x) __promise(x)
3145# else
3146/* a random compiler might define assert to its own special optimization token
3147 so pass it through to C lib as a last resort */
3148# define ASSUME(x) assert(x)
3149# endif
3150#else
3151# define ASSUME(x) assert(x)
3152#endif
3153
3154#define NOT_REACHED ASSUME(0)
3155
3fc1aec6
PP
3156/* Some unistd.h's give a prototype for pause() even though
3157 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3158 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3159*/
3160#ifdef HAS_PAUSE
3161#define Pause pause
3162#else
3163#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3164#endif
3165
3166#ifndef IOCPARM_LEN
3167# ifdef IOCPARM_MASK
61f1c44b 3168 /* on BSDish systems we're safe */
748a9306
LW
3169# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3170# else
61f1c44b 3171# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3172 /* on Linux systems we're safe; except when we're not [perl #38223] */
3173# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3174# else
748a9306 3175 /* otherwise guess at what's safe */
61f1c44b
JVD
3176# define IOCPARM_LEN(x) 256
3177# endif
748a9306 3178# endif
a0d0e21e
LW
3179#endif
3180
1761cee5 3181#if defined(__CYGWIN__)
521e0776
GS
3182/* USEMYBINMODE
3183 * This symbol, if defined, indicates that the program should
16fe6d59 3184 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3185 * that a file is in "binary" mode -- that is, that no translation
3186 * of bytes occurs on read or write operations.
3187 */
36894f0b 3188# define USEMYBINMODE /**/
77a40698 3189# include <io.h> /* for setmode() prototype */
16fe6d59 3190# define my_binmode(fp, iotype, mode) \
77a40698 3191 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3192#endif
3193
88d10794
JH
3194#ifdef __CYGWIN__
3195void init_os_extras(void);
3196#endif
3197
cea2e8a9
GS
3198#ifdef UNION_ANY_DEFINITION
3199UNION_ANY_DEFINITION;
3200#else
3201union any {
3202 void* any_ptr;
3203 I32 any_i32;
ae103e09 3204 U32 any_u32;
cea2e8a9 3205 IV any_iv;
c6bf6a65 3206 UV any_uv;
cea2e8a9 3207 long any_long;
9febdf04 3208 bool any_bool;
c76ac1ee 3209 void (*any_dptr) (void*);
acfe0abc 3210 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3211};
3212#endif
3213
acfe0abc 3214typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3215
3216#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3217#define FILTER_DATA(idx) \
3218 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3219#define FILTER_ISREADER(idx) \
3220 (PL_parser && PL_parser->rsfp_filters \
3221 && idx >= AvFILLp(PL_parser->rsfp_filters))
3222#define PERL_FILTER_EXISTS(i) \
3223 (PL_parser && PL_parser->rsfp_filters \
3224 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3225
c5078cac
JH
3226#if defined(_AIX) && !defined(_AIX43)
3227#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3228/* We cannot include <crypt.h> to get the struct crypt_data
3229 * because of setkey prototype problems when threading */
3230typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3231 /* From OSF, Not needed in AIX
3232 char C[28], D[28];
3233 */
3234 char E[48];
3235 char KS[16][48];
3236 char block[66];
3237 char iobuf[16];
3238} CRYPTD;
3239#endif /* threading */
3240#endif /* AIX */
3241
e37778c2 3242#if !defined(OS2)
2c2d71f5
JH
3243# include "iperlsys.h"
3244#endif
504f80c1 3245
9c12f1e5 3246#ifdef __LIBCATAMOUNT__
00f254e2 3247#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3248#undef HAS_GROUP
3249#define FAKE_BIT_BUCKET
3250#endif
3251
d10dc2ae
JH
3252/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3253 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3254 * defined by Configure, despite their names being similar to the
3255 * other defines like USE_ITHREADS. Configure in fact knows nothing
3256 * about the randomised hashes. Therefore to enable/disable the hash
3257 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3258#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3259# define USE_HASH_SEED
504f80c1
JH
3260#endif
3261
598921a7
NC
3262/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3263 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3264 * it's not really needed.
3265 */
3266#if defined(WIN32)
3267# define YYTOKENTYPE
3268#endif
3269#include "perly.h"
3270
3271#ifdef PERL_MAD
3272struct nexttoken {
3273 YYSTYPE next_val; /* value of next token, if any */
3274 I32 next_type; /* type of next token */
3275 MADPROP *next_mad; /* everything else about that token */
3276};
3277#endif
3278
654eccd5
JD
3279/* macros to define bit-fields in structs. */
3280#ifndef PERL_BITFIELD8
3281# define PERL_BITFIELD8 unsigned
3282#endif
3283#ifndef PERL_BITFIELD16
3284# define PERL_BITFIELD16 unsigned
3285#endif
3286#ifndef PERL_BITFIELD32
3287# define PERL_BITFIELD32 unsigned
3288#endif
3289
79072805 3290#include "sv.h"
288b8c02 3291#include "regexp.h"
378cc40b 3292#include "util.h"
8d063cd8 3293#include "form.h"
79072805 3294#include "gv.h"
dd2155a4 3295#include "pad.h"
79072805 3296#include "cv.h"
abdd5c84 3297#include "opnames.h"
79072805 3298#include "op.h"
b3ca2e83 3299#include "hv.h"
79072805
LW
3300#include "cop.h"
3301#include "av.h"
79072805
LW
3302#include "mg.h"
3303#include "scope.h"
4438c4b7 3304#include "warnings.h"
a0ed51b3 3305#include "utf8.h"
8d063cd8 3306
0d7d409d
DM
3307/* these would be in doio.h if there was such a file */
3308#define my_stat() my_stat_flags(SV_GMAGIC)
3309#define my_lstat() my_lstat_flags(SV_GMAGIC)
3310
20f4945e 3311/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3312#undef _XPV_HEAD
3313#undef _XPVMG_HEAD
3314#undef _XPVCV_COMMON
7fae4e64
GS
3315
3316typedef struct _sublex_info SUBLEXINFO;
3317struct _sublex_info {
651b5b28
NC
3318 U8 super_state; /* lexer state to save */
3319 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3320 OP *sub_op; /* "lex_op" to use */
7cc34111 3321 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3322};
3323
199e78b7
DM
3324#include "parser.h"
3325
455ece5e 3326typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3327
2260ab51
KW
3328#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3329
3330/* These have to be predeclared, as they are used in proto.h which is #included
3331 * before their definitions in regcomp.h. */
3332
3333struct scan_data_t;
3334struct regnode_charclass_class;
d1d040e5
KW
3335
3336/* A hopefully less confusing name. The sub-classes are all Posix classes only
3337 * used under /l matching */
3338typedef struct regnode_charclass_class regnode_charclass_posixl;
3339
b8f7bb16 3340typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3341typedef struct RExC_state_t RExC_state_t;
3342struct _reg_trie_data;
76e3520e 3343
2260ab51
KW
3344#endif
3345
5f7fde29
GS
3346struct ptr_tbl_ent {
3347 struct ptr_tbl_ent* next;
53c1dcc0 3348 const void* oldval;
5f7fde29 3349 void* newval;
d18c6117
GS
3350};
3351
5f7fde29
GS
3352struct ptr_tbl {
3353 struct ptr_tbl_ent** tbl_ary;
3354 UV tbl_max;
3355 UV tbl_items;
db93c0c4
NC
3356 struct ptr_tbl_arena *tbl_arena;
3357 struct ptr_tbl_ent *tbl_arena_next;
3358 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3359};
3360
fe14fcc3
LW
3361#if defined(htonl) && !defined(HAS_HTONL)
3362#define HAS_HTONL
ae986130 3363#endif
fe14fcc3
LW
3364#if defined(htons) && !defined(HAS_HTONS)
3365#define HAS_HTONS
ae986130 3366#endif
fe14fcc3
LW
3367#if defined(ntohl) && !defined(HAS_NTOHL)
3368#define HAS_NTOHL
ae986130 3369#endif
fe14fcc3
LW
3370#if defined(ntohs) && !defined(HAS_NTOHS)
3371#define HAS_NTOHS
ae986130 3372#endif
fe14fcc3 3373#ifndef HAS_HTONL
fe14fcc3
LW
3374#define HAS_HTONS
3375#define HAS_HTONL
3376#define HAS_NTOHS
3377#define HAS_NTOHL
8e2d7c44
NC
3378# if (BYTEORDER & 0xffff) == 0x4321
3379/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3380 re-order their values. However, to behave identically to the alternative
3381 implementations, they should truncate to the correct size. */
3382# define ntohl(x) ((x)&0xFFFFFFFF)
3383# define htonl(x) ntohl(x)
3384# define ntohs(x) ((x)&0xFFFF)
3385# define htons(x) ntohs(x)
e4b03fed
NC
3386# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3387
3388/* Note that we can't straight out declare our own htonl and htons because
3389 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3390 to avoid the overhead of initialising the socket subsystem, but the headers
3391 that *declare* the various functions are still seen. If we declare our own
3392 htonl etc they will clash with the declarations in the Win32 headers. */
3393
3394PERL_STATIC_INLINE U32
3395my_swap32(const U32 x) {
3396 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3397 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3398}
3399
3400PERL_STATIC_INLINE U16
3401my_swap16(const U16 x) {
3402 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3403}
3404
3405# define htonl(x) my_swap32(x)
3406# define ntohl(x) my_swap32(x)
3407# define ntohs(x) my_swap16(x)
3408# define htons(x) my_swap16(x)
8e2d7c44 3409# else
691a44df
NC
3410# error "Unsupported byteorder"
3411/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3412 the error message. Please check the value of the macro BYTEORDER, as defined
3413 in config.h. The values of BYTEORDER we expect are
3414
3415 big endian little endian
3416 32 bit 0x4321 0x1234
3417 64 bit 0x87654321 0x12345678
3418
3419 If you have a system with a different byte order, please see
3420 pod/perlhack.pod for how to submit a patch to add supporting code.
3421*/
3422# endif
a687059c
LW
3423#endif
3424
988174c1
LW
3425/*
3426 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3427 * -DWS
3428 */
5ae72479 3429#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3430/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3431 re-order their values. However, to behave identically to the alternative
3432 implementations, they should truncate to the correct size. */
3433# define vtohl(x) ((x)&0xFFFFFFFF)
3434# define vtohs(x) ((x)&0xFFFF)
3435# define htovl(x) vtohl(x)
3436# define htovs(x) vtohs(x)
545872c5 3437#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3438# define vtohl(x) ((((x)&0xFF)<<24) \
3439 +(((x)>>24)&0xFF) \
3440 +(((x)&0x0000FF00)<<8) \
3441 +(((x)&0x00FF0000)>>8) )
3442# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3443# define htovl(x) vtohl(x)
3444# define htovs(x) vtohs(x)
545872c5
NC
3445#else
3446# error "Unsupported byteorder"
3447/* If you have need for current perl on PDP-11 or similar, and can help test
3448 that blead keeps working on a mixed-endian system, then see
3449 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3450#endif
988174c1 3451
3bb7c1b4
JH
3452/* *MAX Plus 1. A floating point value.
3453 Hopefully expressed in a way that dodgy floating point can't mess up.
3454 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3455 is added to it
3456 May find that some broken compiler will want the value cast to I32.
3457 [after the shift, as signed >> may not be as secure as unsigned >>]
3458*/
3459#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3460#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3461/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3462 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3463 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3464*/
3465#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3466
3bb7c1b4
JH
3467#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3468#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3469#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3470
3471/* This may look like unnecessary jumping through hoops, but converting
3472 out of range floating point values to integers *is* undefined behaviour,
3473 and it is starting to bite.
3474*/
3475#ifndef CAST_INLINE
65202027 3476#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3477#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3478#define I_V(what) (cast_iv((NV)(what)))
3479#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3480#else
3481#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3482 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3483 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3484#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3485 : ((n) < U32_MAX_P1 ? (U32) (n) \
3486 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3487#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3488 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3489 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3490#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3491 : ((n) < UV_MAX_P1 ? (UV) (n) \
3492 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3493#endif
3494
3495#define U_S(what) ((U16)U_32(what))
3496#define U_I(what) ((unsigned int)U_32(what))
3497#define U_L(what) U_32(what)
ed6116ce 3498
ed140128
AD
3499#ifdef HAS_SIGNBIT
3500# define Perl_signbit signbit
3501#endif
3502
2d4389e4
JH
3503/* These do not care about the fractional part, only about the range. */
3504#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3505#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3506
25da4f38
IZ
3507/* Used with UV/IV arguments: */
3508 /* XXXX: need to speed it up */
3509#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3510#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3511
352d5a3a
LW
3512#ifndef MAXSYSFD
3513# define MAXSYSFD 2
3514#endif
ee0007ab 3515
79072805 3516#ifndef __cplusplus
e37d7e38 3517#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3518Uid_t getuid (void);
3519Uid_t geteuid (void);
3520Gid_t getgid (void);
3521Gid_t getegid (void);
79072805 3522#endif
e1caacb4 3523#endif
8d063cd8 3524
0c30d9ec 3525#ifndef Perl_debug_log
bf49b057
GS
3526# define Perl_debug_log PerlIO_stderr()
3527#endif
3528
3529#ifndef Perl_error_log
3530# define Perl_error_log (PL_stderrgv \
6b78add2 3531 && isGV(PL_stderrgv) \
01bb7c6d 3532 && GvIOp(PL_stderrgv) \
42de951c 3533 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3534 ? IoOFP(GvIOp(PL_stderrgv)) \
3535 : PerlIO_stderr())
0c30d9ec 3536#endif
3967c732 3537
aea4f609
DM
3538
3539#define DEBUG_p_FLAG 0x00000001 /* 1 */
3540#define DEBUG_s_FLAG 0x00000002 /* 2 */
3541#define DEBUG_l_FLAG 0x00000004 /* 4 */
3542#define DEBUG_t_FLAG 0x00000008 /* 8 */
3543#define DEBUG_o_FLAG 0x00000010 /* 16 */
3544#define DEBUG_c_FLAG 0x00000020 /* 32 */
3545#define DEBUG_P_FLAG 0x00000040 /* 64 */
3546#define DEBUG_m_FLAG 0x00000080 /* 128 */
3547#define DEBUG_f_FLAG 0x00000100 /* 256 */
3548#define DEBUG_r_FLAG 0x00000200 /* 512 */
3549#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3550#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3551/* U is reserved for Unofficial, exploratory hacking */
3552#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3553#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3554#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3555#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3556#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3557#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3558#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3559#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3560#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3561#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3562#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3563#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3564#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3565#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3566#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3567
3568#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3569#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3570 that something was done? */
aea4f609 3571
bd16a5f0
IZ
3572# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3573# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3574# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3575# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3576# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3577# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3578# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3579# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3580# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3581# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3582# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3583# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3584# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3585# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3586# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3587# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3588# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3589# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3590# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3591# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3592# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3593# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3594# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3595# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3596# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3597# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3598# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3599# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3600# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3601
3967c732 3602#ifdef DEBUGGING
aea4f609 3603
bd16a5f0
IZ
3604# define DEBUG_p_TEST DEBUG_p_TEST_
3605# define DEBUG_s_TEST DEBUG_s_TEST_
3606# define DEBUG_l_TEST DEBUG_l_TEST_
3607# define DEBUG_t_TEST DEBUG_t_TEST_
3608# define DEBUG_o_TEST DEBUG_o_TEST_
3609# define DEBUG_c_TEST DEBUG_c_TEST_
3610# define DEBUG_P_TEST DEBUG_P_TEST_
3611# define DEBUG_m_TEST DEBUG_m_TEST_
3612# define DEBUG_f_TEST DEBUG_f_TEST_
3613# define DEBUG_r_TEST DEBUG_r_TEST_
3614# define DEBUG_x_TEST DEBUG_x_TEST_
3615# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3616# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3617# define DEBUG_H_TEST DEBUG_H_TEST_
3618# define DEBUG_X_TEST DEBUG_X_TEST_
3619# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3620# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3621# define DEBUG_T_TEST DEBUG_T_TEST_
3622# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3623# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3624# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3625# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3626# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3627# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3628# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3629# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3630# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3631# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3632# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3633
488b0c7a
JH
3634# define PERL_DEB(a) a
3635# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3636# define DEBUG_p(a) if (DEBUG_p_TEST) a
3637# define DEBUG_s(a) if (DEBUG_s_TEST) a
3638# define DEBUG_l(a) if (DEBUG_l_TEST) a
3639# define DEBUG_t(a) if (DEBUG_t_TEST) a
3640# define DEBUG_o(a) if (DEBUG_o_TEST) a
3641# define DEBUG_c(a) if (DEBUG_c_TEST) a
3642# define DEBUG_P(a) if (DEBUG_P_TEST) a
3643
969058bb
VK
3644 /* Temporarily turn off memory debugging in case the a
3645 * does memory allocation, either directly or indirectly. */
acfe0abc 3646# define DEBUG_m(a) \
0b250b9e 3647 STMT_START { \
aea4f609 3648 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3649 } STMT_END
aea4f609 3650
5f80b19c
AMS
3651# define DEBUG__(t, a) \
3652 STMT_START { \
3653 if (t) STMT_START {a;} STMT_END; \
3654 } STMT_END
3655
3656# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3657#ifndef PERL_EXT_RE_BUILD
5f80b19c 3658# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3659#else
3660# define DEBUG_r(a) STMT_START {a;} STMT_END
3661#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3662# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3663# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3664# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3665# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3666# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3667# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3668# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3669# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3670# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3671
56967202 3672# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3673# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3674# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3675# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3676# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3677# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3678# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3679# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3680# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3681
3682#else /* DEBUGGING */
3683
3684# define DEBUG_p_TEST (0)
3685# define DEBUG_s_TEST (0)
3686# define DEBUG_l_TEST (0)
3687# define DEBUG_t_TEST (0)
3688# define DEBUG_o_TEST (0)
3689# define DEBUG_c_TEST (0)
3690# define DEBUG_P_TEST (0)
3691# define DEBUG_m_TEST (0)
3692# define DEBUG_f_TEST (0)
3693# define DEBUG_r_TEST (0)
3694# define DEBUG_x_TEST (0)
3695# define DEBUG_u_TEST (0)
88d2d28a 3696# define DEBUG_U_TEST (0)
aea4f609
DM
3697# define DEBUG_H_TEST (0)
3698# define DEBUG_X_TEST (0)
3699# define DEBUG_D_TEST (0)
56967202 3700# define DEBUG_S_TEST (0)
aea4f609 3701# define DEBUG_T_TEST (0)
04932ac8 3702# define DEBUG_R_TEST (0)
1045810a 3703# define DEBUG_J_TEST (0)
d6721266 3704# define DEBUG_v_TEST (0)
46187eeb 3705# define DEBUG_C_TEST (0)
ecae49c0
NC
3706# define DEBUG_A_TEST (0)
3707# define DEBUG_q_TEST (0)
d7c0d282 3708# define DEBUG_M_TEST (0)
cc8773c0 3709# define DEBUG_B_TEST (0)
7949c6f5
JC
3710# define DEBUG_Xv_TEST (0)
3711# define DEBUG_Uv_TEST (0)
ad9e76a8 3712# define DEBUG_Pv_TEST (0)
aea4f609 3713
488b0c7a
JH
3714# define PERL_DEB(a)
3715# define PERL_DEBUG(a)
aea4f609
DM
3716# define DEBUG_p(a)
3717# define DEBUG_s(a)
3718# define DEBUG_l(a)
3719# define DEBUG_t(a)
3720# define DEBUG_o(a)
3721# define DEBUG_c(a)
3722# define DEBUG_P(a)
3723# define DEBUG_m(a)
3724# define DEBUG_f(a)
3725# define DEBUG_r(a)
3726# define DEBUG_x(a)
3727# define DEBUG_u(a)
88d2d28a 3728# define DEBUG_U(a)
aea4f609
DM
3729# define DEBUG_H(a)
3730# define DEBUG_X(a)
3731# define DEBUG_D(a)
56967202 3732# define DEBUG_S(a)
aea4f609 3733# define DEBUG_T(a)
04932ac8 3734# define DEBUG_R(a)
d6721266 3735# define DEBUG_v(a)
46187eeb 3736# define DEBUG_C(a)
ecae49c0
NC
3737# define DEBUG_A(a)
3738# define DEBUG_q(a)
d7c0d282 3739# define DEBUG_M(a)
cc8773c0 3740# define DEBUG_B(a)
7949c6f5
JC
3741# define DEBUG_Xv(a)
3742# define DEBUG_Uv(a)
ad9e76a8