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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)
6f4183fe
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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
c5be433b
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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) \
f8149455
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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
5ba4cab2
SH
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
AL
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. */
7db66e12
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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
e8dda941
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372/* Don't bother defining tTHX and sTHX; using them outside
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
JH
445# ifdef __cplusplus
446# define PERL_XS_EXPORT_C extern "C"
447# else
448# define PERL_XS_EXPORT_C
449# endif
27da23d5
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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
5dc8bdac
JH
463#endif
464
5b692037
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
LW
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
84902520
TB
1019#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1020/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1021 * (the neo-BSD seem to do this). */
1022# undef SF_APPEND
1023#endif
1024
1aef975c 1025#ifdef I_SYS_STAT
84902520 1026# include <sys/stat.h>
1aef975c 1027#endif
79072805 1028
287a962e
JD
1029/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1030 This definition should ideally go into win32/win32.h, but S_IFIFO is
1031 used later here in perl.h before win32/win32.h is being included. */
1032#if !defined(S_IFIFO) && defined(_S_IFIFO)
1033# define S_IFIFO _S_IFIFO
1034#endif
1035
cc3315ba 1036/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW
1037 like UTekV) are broken, sometimes giving false positives. Undefine
1038 them here and let the code below set them to proper values.
1039
1040 The ghs macro stands for GreenHills Software C-1.8.5 which
1041 is the C compiler for sysV88 and the various derivatives.
1042 This header file bug is corrected in gcc-2.5.8 and later versions.
1043 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1044
cc3315ba 1045#if defined(m88k) && defined(ghs)
79072805
LW
1046# undef S_ISDIR
1047# undef S_ISCHR
1048# undef S_ISBLK
1049# undef S_ISREG
1050# undef S_ISFIFO
1051# undef S_ISLNK
ee0007ab 1052#endif
135863df 1053
663a0e37
LW
1054#ifdef I_TIME
1055# include <time.h>
ffed7fef 1056#endif
663a0e37 1057
fe14fcc3 1058#ifdef I_SYS_TIME
85e6fe83 1059# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1060# define KERNEL
1061# endif
1062# include <sys/time.h>
85e6fe83 1063# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
1064# undef KERNEL
1065# endif
a687059c 1066#endif
135863df 1067
55497cff 1068#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1069# include <sys/times.h>
d9d8d8de 1070#endif
8d063cd8 1071
fe14fcc3 1072#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1073# undef HAS_STRERROR
663a0e37
LW
1074#endif
1075
1076#include <errno.h>
1e743fda 1077
acfe0abc 1078#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
1079# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1080#endif
1081
8cfab5ff 1082/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
00f254e2 1083 * This is important for using IPv6.
8cfab5ff
JH
1084 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1085 * a bad idea since it breaks send() and recv(). */
1086#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1087# define _SOCKADDR_LEN
1088#endif
1089
da70cfc6 1090#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH
1091# include <sys/socket.h>
1092# if defined(USE_SOCKS) && defined(I_SOCKS)
1093# if !defined(INCLUDE_PROTOTYPES)
1094# define INCLUDE_PROTOTYPES /* for <socks.h> */
1095# define PERL_SOCKS_NEED_PROTOTYPES
1096# endif
1097# include <socks.h>
1098# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1099# undef INCLUDE_PROTOTYPES
1100# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1101# endif
d460ef45 1102# endif
1e743fda 1103# ifdef I_NETDB
2986a63f
JH
1104# ifdef NETWARE
1105# include<stdio.h>
1106# endif
1e743fda
JH
1107# include <netdb.h>
1108# endif
1109# ifndef ENOTSOCK
1110# ifdef I_NET_ERRNO
1111# include <net/errno.h>
1112# endif
1113# endif
1114#endif
1115
fa0a29af 1116/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM
1117 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1118 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1119#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM
1120# if defined(__THROW) && defined(__GLIBC__)
1121int sockatmark(int) __THROW;
1122# else
2ef53570 1123int sockatmark(int);
29820b6d 1124# endif
2ef53570
JH
1125#endif
1126
7e827271 1127#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
1128EXTERN_C int fchdir(int);
1129EXTERN_C int flock(int, int);
1130EXTERN_C int fseeko(FILE *, off_t, int);
1131EXTERN_C off_t ftello(FILE *);
1132#endif
1133
7e827271 1134#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1135EXTERN_C char *crypt(const char *, const char *);
7e827271 1136EXTERN_C char **environ;
1ccb7c8d
JH
1137#endif
1138
83a6ff2e 1139#if defined(__cplusplus)
ce3470dc 1140# if defined(BSDish)
b91fbb93 1141EXTERN_C char **environ;
83a6ff2e 1142# elif defined(__CYGWIN__)
667e2948
SP
1143EXTERN_C char *crypt(const char *, const char *);
1144#endif
83a6ff2e 1145#endif
667e2948 1146
1e743fda
JH
1147#ifdef SETERRNO
1148# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1149#endif
f86702cc
PP
1150
1151#ifdef VMS
1152# define SETERRNO(errcode,vmserrcode) \
1153 STMT_START { \
1154 set_errno(errcode); \
1155 set_vaxc_errno(vmserrcode); \
1156 } STMT_END
4ee39169
CS
1157# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1158# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1159# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1160# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1161
93189314
JH
1162# define LIB_INVARG LIB$_INVARG
1163# define RMS_DIR RMS$_DIR
1164# define RMS_FAC RMS$_FAC
1165# define RMS_FEX RMS$_FEX
1166# define RMS_FNF RMS$_FNF
1167# define RMS_IFI RMS$_IFI
1168# define RMS_ISI RMS$_ISI
1169# define RMS_PRV RMS$_PRV
1170# define SS_ACCVIO SS$_ACCVIO
1171# define SS_DEVOFFLINE SS$_DEVOFFLINE
1172# define SS_IVCHAN SS$_IVCHAN
1173# define SS_NORMAL SS$_NORMAL
748a9306 1174#else
93189314
JH
1175# define LIB_INVARG 0
1176# define RMS_DIR 0
1177# define RMS_FAC 0
1178# define RMS_FEX 0
1179# define RMS_FNF 0
1180# define RMS_IFI 0
1181# define RMS_ISI 0
1182# define RMS_PRV 0
1183# define SS_ACCVIO 0
1184# define SS_DEVOFFLINE 0
1185# define SS_IVCHAN 0
1186# define SS_NORMAL 0
748a9306 1187#endif
ed6116ce 1188
6ca940a9
TC
1189#ifdef WIN32
1190# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1191# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1192# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1193# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1194#endif
1195
1196#ifdef OS2
1197# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1198# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1199# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1200# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1201#endif
1202
1203#ifndef SETERRNO
1204# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1205#endif
1206
1207#ifndef dSAVEDERRNO
1208# define dSAVEDERRNO int saved_errno
1209# define dSAVE_ERRNO int saved_errno = errno
1210# define SAVE_ERRNO (saved_errno = errno)
1211# define RESTORE_ERRNO (errno = saved_errno)
1212#endif
1213
f5fa9033 1214#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC
1215
1216#define CLEAR_ERRSV() STMT_START { \
1217 if (!GvSV(PL_errgv)) { \
1218 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1219 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1220 SvREFCNT_dec(GvSV(PL_errgv)); \
1221 GvSV(PL_errgv) = newSVpvs(""); \
1222 } else { \
1223 SV *const errsv = GvSV(PL_errgv); \
1224 sv_setpvs(errsv, ""); \
1225 if (SvMAGICAL(errsv)) { \
1226 mg_free(errsv); \
1227 } \
1228 SvPOK_only(errsv); \
1229 } \
1230 } STMT_END
1231
1232
414bf5ae
MHM
1233#ifdef PERL_CORE
1234# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC
1235# define DEFSV_set(sv) \
1236 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1237# define SAVE_DEFSV \
1238 ( \
1239 save_gp(PL_defgv, 0), \
1240 GvINTRO_off(PL_defgv), \
1241 SAVEGENERICSV(GvSV(PL_defgv)), \
1242 GvSV(PL_defgv) = NULL \
1243 )
414bf5ae
MHM
1244#else
1245# define DEFSV GvSVn(PL_defgv)
55b5114f
FC
1246# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1247# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1248#endif
38a03e6e 1249
55497cff 1250#ifndef errno
5ff3f7a4
GS
1251 extern int errno; /* ANSI allows errno to be an lvalue expr.
1252 * For example in multithreaded environments
1253 * something like this might happen:
1254 * extern int *_errno(void);
1255 * #define errno (*_errno()) */
d9d8d8de 1256#endif
663a0e37 1257
2304df62 1258#ifdef HAS_STRERROR
b3e384bf 1259# ifndef DONT_DECLARE_STD
a0d0e21e 1260# ifdef VMS
20ce7b12 1261 char *strerror (int,...);
a0d0e21e 1262# else
20ce7b12 1263 char *strerror (int);
a0d0e21e 1264# endif
b3e384bf
KW
1265# endif
1266# ifndef Strerror
1267# define Strerror strerror
1268# endif
2304df62
AD
1269#else
1270# ifdef HAS_SYS_ERRLIST
79072805
LW
1271 extern int sys_nerr;
1272 extern char *sys_errlist[];
2304df62
AD
1273# ifndef Strerror
1274# define Strerror(e) \
79072805 1275 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1276# endif
79072805 1277# endif
35c8bce7 1278#endif
663a0e37 1279
2304df62 1280#ifdef I_SYS_IOCTL
79072805
LW
1281# ifndef _IOCTL_
1282# include <sys/ioctl.h>
1283# endif
a687059c
LW
1284#endif
1285
ee0007ab 1286#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
1287# ifdef HAS_SOCKETPAIR
1288# undef HAS_SOCKETPAIR
1289# endif
2304df62
AD
1290# ifdef I_NDBM
1291# undef I_NDBM
79072805 1292# endif
a687059c
LW
1293#endif
1294
02fc2eee
NC
1295#ifndef HAS_SOCKETPAIR
1296# ifdef HAS_SOCKET
1297# define socketpair Perl_my_socketpair
1298# endif
1299#endif
1300
a687059c 1301#if INTSIZE == 2
79072805
LW
1302# define htoni htons
1303# define ntohi ntohs
a687059c 1304#else
79072805
LW
1305# define htoni htonl
1306# define ntohi ntohl
a687059c
LW
1307#endif
1308
a0d0e21e 1309/* Configure already sets Direntry_t */
35c8bce7 1310#if defined(I_DIRENT)
663a0e37 1311# include <dirent.h>
8f1f23e8
W
1312 /* NeXT needs dirent + sys/dir.h */
1313# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
1314# include <sys/dir.h>
1315# endif
ae986130 1316#else
fe14fcc3 1317# ifdef I_SYS_NDIR
79a0689e 1318# include <sys/ndir.h>
663a0e37 1319# else
fe14fcc3 1320# ifdef I_SYS_DIR
79a0689e
LW
1321# ifdef hp9000s500
1322# include <ndir.h> /* may be wrong in the future */
1323# else
1324# include <sys/dir.h>
1325# endif
663a0e37
LW
1326# endif
1327# endif
4633a7c4 1328#endif
a687059c 1329
c623bd54
LW
1330/*
1331 * The following gobbledygook brought to you on behalf of __STDC__.
1332 * (I could just use #ifndef __STDC__, but this is more bulletproof
1333 * in the face of half-implementations.)
1334 */
1335
21e89b5f 1336#if defined(I_SYSMODE)
ca6e1c26
JH
1337#include <sys/mode.h>
1338#endif
1339
c623bd54
LW
1340#ifndef S_IFMT
1341# ifdef _S_IFMT
1342# define S_IFMT _S_IFMT
1343# else
1344# define S_IFMT 0170000
1345# endif
1346#endif
1347
1348#ifndef S_ISDIR
1349# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1350#endif
1351
1352#ifndef S_ISCHR
1353# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1354#endif
1355
1356#ifndef S_ISBLK
fe14fcc3
LW
1357# ifdef S_IFBLK
1358# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1359# else
1360# define S_ISBLK(m) (0)
1361# endif
c623bd54
LW
1362#endif
1363
1364#ifndef S_ISREG
1365# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1366#endif
1367
1368#ifndef S_ISFIFO
fe14fcc3
LW
1369# ifdef S_IFIFO
1370# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1371# else
1372# define S_ISFIFO(m) (0)
1373# endif
c623bd54
LW
1374#endif
1375
1376#ifndef S_ISLNK
1377# ifdef _S_ISLNK
1378# define S_ISLNK(m) _S_ISLNK(m)
1379# else
1380# ifdef _S_IFLNK
1381# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1382# else
1383# ifdef S_IFLNK
1384# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1385# else
1386# define S_ISLNK(m) (0)
1387# endif
1388# endif
1389# endif
1390#endif
1391
1392#ifndef S_ISSOCK
1393# ifdef _S_ISSOCK
1394# define S_ISSOCK(m) _S_ISSOCK(m)
1395# else
1396# ifdef _S_IFSOCK
1397# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1398# else
1399# ifdef S_IFSOCK
1400# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1401# else
1402# define S_ISSOCK(m) (0)
1403# endif
1404# endif
1405# endif
1406#endif
1407
1408#ifndef S_IRUSR
1409# ifdef S_IREAD
1410# define S_IRUSR S_IREAD
1411# define S_IWUSR S_IWRITE
1412# define S_IXUSR S_IEXEC
1413# else
1414# define S_IRUSR 0400
1415# define S_IWUSR 0200
1416# define S_IXUSR 0100
1417# endif
fac7cdfc 1418#endif
1419
1420#ifndef S_IRGRP
1421# ifdef S_IRUSR
1422# define S_IRGRP (S_IRUSR>>3)
1423# define S_IWGRP (S_IWUSR>>3)
1424# define S_IXGRP (S_IXUSR>>3)
1425# else
1426# define S_IRGRP 0040
1427# define S_IWGRP 0020
1428# define S_IXGRP 0010
1429# endif
1430#endif
1431
1432#ifndef S_IROTH
1433# ifdef S_IRUSR
1434# define S_IROTH (S_IRUSR>>6)
1435# define S_IWOTH (S_IWUSR>>6)
1436# define S_IXOTH (S_IXUSR>>6)
1437# else
1438# define S_IROTH 0040
1439# define S_IWOTH 0020
1440# define S_IXOTH 0010
1441# endif
c623bd54
LW
1442#endif
1443
1444#ifndef S_ISUID
1445# define S_ISUID 04000
1446#endif
1447
1448#ifndef S_ISGID
1449# define S_ISGID 02000
1450#endif
1451
ca6e1c26
JH
1452#ifndef S_IRWXU
1453# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1454#endif
ca6e1c26
JH
1455
1456#ifndef S_IRWXG
1457# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1458#endif
ca6e1c26
JH
1459
1460#ifndef S_IRWXO
1461# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1462#endif
ca6e1c26 1463
b6c36746 1464/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH
1465 * which would get included through <sys/file.h >, but that is 3000
1466 * lines in the future. --jhi */
1467
b6c36746 1468#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH
1469# define S_IREAD S_IRUSR
1470#endif
1471
b6c36746 1472#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH
1473# define S_IWRITE S_IWUSR
1474#endif
1475
1476#ifndef S_IEXEC
1477# define S_IEXEC S_IXUSR
1478#endif
1479
a0d0e21e 1480#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
1481# define SLOPPYDIVIDE
1482#endif
1483
748a9306
LW
1484#ifdef UV
1485#undef UV
1486#endif
1487
ce582cee
NC
1488/* For the times when you want the return value of sprintf, and you want it
1489 to be the length. Can't have a thread variable passed in, because C89 has
1490 no varargs macros.
1491*/
1492#ifdef SPRINTF_RETURNS_STRLEN
1493# define my_sprintf sprintf
1494#else
1495# define my_sprintf Perl_my_sprintf
1496#endif
1497
5b692037
JH
1498/*
1499 * If we have v?snprintf() and the C99 variadic macros, we can just
1500 * use just the v?snprintf(). It is nice to try to trap the buffer
1501 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD
1502 * gcc statement expressions, then use the function wrappers which try
1503 * to trap the overflow. If we can use the gcc statement expressions,
1504 * we can try that even with the version that uses the C99 variadic
1505 * macros.
5b692037
JH
1506 */
1507
1208b3dd
JH
1508/* Note that we do not check against snprintf()/vsnprintf() returning
1509 * negative values because that is non-standard behaviour and we use
1510 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1511 * that should be true only if the snprintf()/vsnprintf() are true
1512 * to the standard. */
1513
dfeee9b1 1514#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1515# ifdef PERL_USE_GCC_BRACE_GROUPS
12e82c57 1516# 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 1517# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1518# else
1519# define my_snprintf(buffer, len, ...) snprintf(buffer, len, __VA_ARGS__)
1520# endif
1521#else
1522# define my_snprintf Perl_my_snprintf
1208b3dd 1523# define PERL_MY_SNPRINTF_GUARDED
5b692037
JH
1524#endif
1525
dfeee9b1 1526#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1527# ifdef PERL_USE_GCC_BRACE_GROUPS
9e440ecc 1528# 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 1529# define PERL_MY_VSNPRINTF_GUARDED
5b692037
JH
1530# else
1531# define my_vsnprintf(buffer, len, ...) vsnprintf(buffer, len, __VA_ARGS__)
1532# endif
1533#else
1534# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1535# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1536#endif
d9fad198 1537
a6cc4119
SP
1538#ifdef HAS_STRLCAT
1539# define my_strlcat strlcat
1540#else
1541# define my_strlcat Perl_my_strlcat
1542#endif
1543
1544#ifdef HAS_STRLCPY
1545# define my_strlcpy strlcpy
1546#else
1547# define my_strlcpy Perl_my_strlcpy
1548#endif
1549
05f13f53 1550/*
27d4fb96
PP
1551 The IV type is supposed to be long enough to hold any integral
1552 value or a pointer.
1553 --Andy Dougherty August 1996
1554*/
1555
a22e52b9
JH
1556typedef IVTYPE IV;
1557typedef UVTYPE UV;
8175356b 1558
10cc9d2a 1559#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1560# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
1561# define IV_MAX INT64_MAX
1562# define IV_MIN INT64_MIN
1563# define UV_MAX UINT64_MAX
cae7ae48
JH
1564# ifndef UINT64_MIN
1565# define UINT64_MIN 0
1566# endif
5ff3f7a4
GS
1567# define UV_MIN UINT64_MIN
1568# else
1569# define IV_MAX PERL_QUAD_MAX
1570# define IV_MIN PERL_QUAD_MIN
1571# define UV_MAX PERL_UQUAD_MAX
1572# define UV_MIN PERL_UQUAD_MIN
1573# endif
cf2093f6
JH
1574# define IV_IS_QUAD
1575# define UV_IS_QUAD
79072805 1576#else
8175356b 1577# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
1578# define IV_MAX INT32_MAX
1579# define IV_MIN INT32_MIN
716026f9
DL
1580# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1581# define UV_MAX UINT32_MAX
1582# else
1583# define UV_MAX 4294967295U
1584# endif
cae7ae48
JH
1585# ifndef UINT32_MIN
1586# define UINT32_MIN 0
1587# endif
5ff3f7a4
GS
1588# define UV_MIN UINT32_MIN
1589# else
1590# define IV_MAX PERL_LONG_MAX
1591# define IV_MIN PERL_LONG_MIN
1592# define UV_MAX PERL_ULONG_MAX
1593# define UV_MIN PERL_ULONG_MIN
1594# endif
8175356b 1595# if IVSIZE == 8
cf2093f6
JH
1596# define IV_IS_QUAD
1597# define UV_IS_QUAD
de1c2614
JH
1598# ifndef HAS_QUAD
1599# define HAS_QUAD
1600# endif
cf2093f6
JH
1601# else
1602# undef IV_IS_QUAD
1603# undef UV_IS_QUAD
9ea40801 1604#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC
1605/* We think that removing this decade-old undef this will cause too much
1606 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH
1607 However, we do need HAS_QUAD in the core for use by the drand48 code,
1608 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1609# undef HAS_QUAD
e25d460c 1610#endif
cf2093f6 1611# endif
79072805 1612#endif
d7d93a81 1613
9a543cee
FC
1614#define SSize_t_MAX (SSize_t)(~(size_t)0 >> 1)
1615
cae7ae48 1616#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1617#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1618
28e5dec8 1619#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1620#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1621#endif
1622
d460ef45 1623/*
26bb67e2
JH
1624 * The macros INT2PTR and NUM2PTR are (despite their names)
1625 * bi-directional: they will convert int/float to or from pointers.
1626 * However the conversion to int/float are named explicitly:
1627 * PTR2IV, PTR2UV, PTR2NV.
1628 *
1629 * For int conversions we do not need two casts if pointers are
1630 * the same size as IV and UV. Otherwise we need an explicit
1631 * cast (PTRV) to avoid compiler warnings.
1632 */
56431972
RB
1633#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1634# define PTRV UV
1635# define INT2PTR(any,d) (any)(d)
1636#else
d460ef45 1637# if PTRSIZE == LONGSIZE
56431972 1638# define PTRV unsigned long
e91e3b10 1639# define PTR2ul(p) (unsigned long)(p)
42718184 1640# else
56431972 1641# define PTRV unsigned
42718184 1642# endif
e91e3b10
RB
1643#endif
1644
1645#ifndef INT2PTR
56431972 1646# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1647#endif
e91e3b10
RB
1648
1649#ifndef PTR2ul
1650# define PTR2ul(p) INT2PTR(unsigned long,p)
1651#endif
1652
56431972
RB
1653#define NUM2PTR(any,d) (any)(PTRV)(d)
1654#define PTR2IV(p) INT2PTR(IV,p)
1655#define PTR2UV(p) INT2PTR(UV,p)
1656#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1657#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1658
8141890a
JH
1659/* According to strict ANSI C89 one cannot freely cast between
1660 * data pointers and function (code) pointers. There are at least
1661 * two ways around this. One (used below) is to do two casts,
1662 * first the other pointer to an (unsigned) integer, and then
1663 * the integer to the other pointer. The other way would be
1664 * to use unions to "overlay" the pointers. For an example of
1665 * the latter technique, see union dirpu in struct xpvio in sv.h.
1666 * The only feasible use is probably temporarily storing
1667 * function pointers in a data pointer (such as a void pointer). */
1668
e91e3b10
RB
1669#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1670#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1671
65202027 1672#ifdef USE_LONG_DOUBLE
1048ea30
JH
1673# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1674# define LONG_DOUBLE_EQUALS_DOUBLE
1675# endif
68d4903c 1676# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1677# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1678# endif
1679#endif
1680
2d4389e4
JH
1681#ifdef OVR_DBL_DIG
1682/* Use an overridden DBL_DIG */
1683# ifdef DBL_DIG
1684# undef DBL_DIG
1685# endif
1686# define DBL_DIG OVR_DBL_DIG
1687#else
1688/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS
1689 default value for printing floating point numbers in Gconvert
1690 (see config.h). (It also has other uses, such as figuring out if
1691 a given precision of printing can be done with a double instead of
1692 a long double - Allen).
2d4389e4
JH
1693*/
1694#ifdef I_LIMITS
1695#include <limits.h>
1696#endif
1697#ifdef I_FLOAT
1698#include <float.h>
1699#endif
1700#ifndef HAS_DBL_DIG
1701#define DBL_DIG 15 /* A guess that works lots of places */
1702#endif
1703#endif
1704
1705#ifdef OVR_LDBL_DIG
1706/* Use an overridden LDBL_DIG */
1707# ifdef LDBL_DIG
1708# undef LDBL_DIG
1709# endif
1710# define LDBL_DIG OVR_LDBL_DIG
1711#else
1712/* The following is all to get LDBL_DIG, in order to pick a nice
1713 default value for printing floating point numbers in Gconvert.
1714 (see config.h)
1715*/
68d4903c
JH
1716# ifdef I_LIMITS
1717# include <limits.h>
1718# endif
1719# ifdef I_FLOAT
1720# include <float.h>
1721# endif
1722# ifndef HAS_LDBL_DIG
1723# if LONG_DOUBLESIZE == 10
1724# define LDBL_DIG 18 /* assume IEEE */
1725# else
1726# if LONG_DOUBLESIZE == 12
1727# define LDBL_DIG 18 /* gcc? */
1728# else
1729# if LONG_DOUBLESIZE == 16
1730# define LDBL_DIG 33 /* assume IEEE */
1731# else
1732# if LONG_DOUBLESIZE == DOUBLESIZE
1733# define LDBL_DIG DBL_DIG /* bummer */
1734# endif
1735# endif
1736# endif
1737# endif
1738# endif
2d4389e4
JH
1739#endif
1740
20f6aaab
AS
1741/*
1742 * This is for making sure we have a good DBL_MAX value, if possible,
1743 * either for usage as NV_MAX or for usage in figuring out if we can
1744 * fit a given long double into a double, if bug-fixing makes it
1745 * necessary to do so. - Allen <allens@cpan.org>
1746 */
1747
205f51d8
AS
1748#ifdef I_LIMITS
1749# include <limits.h>
20f6aaab
AS
1750#endif
1751
205f51d8
AS
1752#ifdef I_VALUES
1753# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1754# include <values.h>
1755# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1756# define DBL_MAX MAXDOUBLE
1757# endif
1758# if defined(MINDOUBLE) && !defined(DBL_MIN)
1759# define DBL_MIN MINDOUBLE
1760# endif
1761# endif
1762#endif /* defined(I_VALUES) */
1763
a22e52b9 1764typedef NVTYPE NV;
8175356b 1765
792d8dab
JH
1766#ifdef I_IEEEFP
1767# include <ieeefp.h>
1768#endif
923fc586 1769
65202027 1770#ifdef USE_LONG_DOUBLE
923fc586
JH
1771# ifdef I_SUNMATH
1772# include <sunmath.h>
1773# endif
2d4389e4 1774# define NV_DIG LDBL_DIG
d6c14000
JH
1775# ifdef LDBL_MANT_DIG
1776# define NV_MANT_DIG LDBL_MANT_DIG
1777# endif
06fc1729
JH
1778# ifdef LDBL_MIN
1779# define NV_MIN LDBL_MIN
1780# endif
1781# ifdef LDBL_MAX
1782# define NV_MAX LDBL_MAX
1783# endif
1784# ifdef LDBL_MIN_10_EXP
1785# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1786# endif
1787# ifdef LDBL_MAX_10_EXP
1788# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1789# endif
1790# ifdef LDBL_EPSILON
1791# define NV_EPSILON LDBL_EPSILON
1792# endif
f4a14a62
JH
1793# ifdef LDBL_MAX
1794# define NV_MAX LDBL_MAX
20f6aaab 1795/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH
1796# else
1797# ifdef HUGE_VALL
1798# define NV_MAX HUGE_VALL
1799# else
1800# ifdef HUGE_VAL
1801# define NV_MAX ((NV)HUGE_VAL)
1802# endif
1803# endif
1804# endif
68d4903c 1805# ifdef HAS_SQRTL
68d4903c
JH
1806# define Perl_cos cosl
1807# define Perl_sin sinl
1808# define Perl_sqrt sqrtl
1809# define Perl_exp expl
1810# define Perl_log logl
1811# define Perl_atan2 atan2l
1812# define Perl_pow powl
1813# define Perl_floor floorl
1bbae031 1814# define Perl_ceil ceill
68d4903c
JH
1815# define Perl_fmod fmodl
1816# endif
a3540c92
JH
1817/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1818# ifdef HAS_MODFL
1819# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC
1820/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1821 prototype in <math.h> */
1822# ifndef HAS_MODFL_PROTO
a221a8a5 1823EXTERN_C long double modfl(long double, long double *);
51997bc3 1824# endif
03476e8e
JH
1825# else
1826# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1827 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH
1828# define Perl_modf(x,y) Perl_my_modfl(x,y)
1829# endif
a3540c92
JH
1830# endif
1831# ifdef HAS_FREXPL
dff3e0b8 1832# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH
1833# else
1834# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1835 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH
1836# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1837# endif
a3540c92 1838# endif
38dbb4c5 1839# ifndef Perl_isnan
758a5d79
JH
1840# ifdef HAS_ISNANL
1841# define Perl_isnan(x) isnanl(x)
1842# endif
1843# endif
1844# ifndef Perl_isinf
1845# ifdef HAS_FINITEL
1846# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1847# endif
1848# endif
65202027 1849#else
2d4389e4 1850# define NV_DIG DBL_DIG
d6c14000
JH
1851# ifdef DBL_MANT_DIG
1852# define NV_MANT_DIG DBL_MANT_DIG
1853# endif
06fc1729
JH
1854# ifdef DBL_MIN
1855# define NV_MIN DBL_MIN
1856# endif
1857# ifdef DBL_MAX
1858# define NV_MAX DBL_MAX
1859# endif
1860# ifdef DBL_MIN_10_EXP
1861# define NV_MIN_10_EXP DBL_MIN_10_EXP
1862# endif
1863# ifdef DBL_MAX_10_EXP
1864# define NV_MAX_10_EXP DBL_MAX_10_EXP
1865# endif
1866# ifdef DBL_EPSILON
1867# define NV_EPSILON DBL_EPSILON
1868# endif
205f51d8 1869# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH
1870# define NV_MAX DBL_MAX
1871# define NV_MIN DBL_MIN
1872# else
1873# ifdef HUGE_VAL
1874# define NV_MAX HUGE_VAL
1875# endif
1876# endif
65202027
DS
1877# define Perl_cos cos
1878# define Perl_sin sin
1879# define Perl_sqrt sqrt
1880# define Perl_exp exp
1881# define Perl_log log
1882# define Perl_atan2 atan2
1883# define Perl_pow pow
1884# define Perl_floor floor
1bbae031 1885# define Perl_ceil ceil
65202027 1886# define Perl_fmod fmod
a3540c92 1887# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1888# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1889#endif
1890
1891/* rumor has it that Win32 has _fpclass() */
1892
205f51d8
AS
1893/* SGI has fpclassl... but not with the same result values,
1894 * and it's via a typedef (not via #define), so will need to redo Configure
1895 * to use. Not worth the trouble, IMO, at least until the below is used
1896 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1897 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1898 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1899
758a5d79
JH
1900#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1901# ifdef I_IEEFP
1902# include <ieeefp.h>
1903# endif
1904# ifdef I_FP
1905# include <fp.h>
1906# endif
1907# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1908# define Perl_fp_class() fpclassl(x)
1909# else
1910# define Perl_fp_class() fpclass(x)
1911# endif
1912# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1913# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1914# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1915# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1916# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1917# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1918# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1919# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1920# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1921# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1922# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1923# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1924# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1925# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1926# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1927#endif
1928
21e89b5f 1929#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
758a5d79
JH
1930# include <math.h>
1931# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1932# include <fp_class.h>
1933# endif
1934# define Perl_fp_class(x) fp_class(x)
1935# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1936# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1937# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1938# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1939# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1940# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1941# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1942# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1943# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1944# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1945# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1946# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1947# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1948# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1949# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1950#endif
1951
1952#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1953# include <math.h>
1954# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1955# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH
1956# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1957# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1958# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1959# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1960#endif
1961
1962#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1963# include <math.h>
1964# ifndef _cplusplus
1965# define Perl_fp_class(x) class(x)
1966# else
1967# define Perl_fp_class(x) _class(x)
1968# endif
1969# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1970# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1971# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1972# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1973# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1974# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1975# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1976# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1977# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1978# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1979# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1980# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1981# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1982# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1983# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1984#endif
1985
1986/* rumor has it that Win32 has _isnan() */
1987
1988#ifndef Perl_isnan
a3540c92 1989# ifdef HAS_ISNAN
758a5d79
JH
1990# define Perl_isnan(x) isnan((NV)x)
1991# else
1992# ifdef Perl_fp_class_nan
1993# define Perl_isnan(x) Perl_fp_class_nan(x)
1994# else
1995# ifdef HAS_UNORDERED
1996# define Perl_isnan(x) unordered((x), 0.0)
1997# else
1998# define Perl_isnan(x) ((x)!=(x))
1999# endif
2000# endif
2001# endif
2002#endif
2003
ca6c63e1
JH
2004#ifdef UNDER_CE
2005int isnan(double d);
2006#endif
2007
758a5d79
JH
2008#ifndef Perl_isinf
2009# ifdef HAS_ISINF
2010# define Perl_isinf(x) isinf((NV)x)
a3540c92 2011# else
758a5d79
JH
2012# ifdef Perl_fp_class_inf
2013# define Perl_isinf(x) Perl_fp_class_inf(x)
2014# else
2015# define Perl_isinf(x) ((x)==NV_INF)
2016# endif
2017# endif
2018#endif
2019
2020#ifndef Perl_isfinite
2021# ifdef HAS_FINITE
2022# define Perl_isfinite(x) finite((NV)x)
2023# else
2024# ifdef HAS_ISFINITE
2025# define Perl_isfinite(x) isfinite(x)
2026# else
2027# ifdef Perl_fp_class_finite
2028# define Perl_isfinite(x) Perl_fp_class_finite(x)
2029# else
2030# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
2031# endif
2032# endif
a3540c92 2033# endif
65202027
DS
2034#endif
2035
a36244b7
JH
2036/* The default is to use Perl's own atof() implementation (in numeric.c).
2037 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2038 * it is however best to use the native implementation of atof.
2039 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2040 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS
2041 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2042 * you may need to be using a different function than atof! */
a36244b7
JH
2043
2044#ifndef USE_PERL_ATOF
2045# ifndef _UNICOS
2046# define USE_PERL_ATOF
2047# endif
2048#else
2049# if USE_PERL_ATOF == 0
2050# undef USE_PERL_ATOF
2051# endif
2052#endif
2053
2054#ifdef USE_PERL_ATOF
2055# define Perl_atof(s) Perl_my_atof(s)
2056# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2057#else
2058# define Perl_atof(s) (NV)atof(s)
2059# define Perl_atof2(s, n) ((n) = atof(s))
2060#endif
cf2093f6 2061
d460ef45 2062/* Previously these definitions used hardcoded figures.
760ac839
LW
2063 * It is hoped these formula are more portable, although
2064 * no data one way or another is presently known to me.
2065 * The "PERL_" names are used because these calculated constants
2066 * do not meet the ANSI requirements for LONG_MAX, etc., which
2067 * need to be constants acceptable to #if - kja
2068 * define PERL_LONG_MAX 2147483647L
2069 * define PERL_LONG_MIN (-LONG_MAX - 1)
2070 * define PERL ULONG_MAX 4294967295L
2071 */
2072
2073#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2074# include <limits.h>
760ac839 2075#endif
205f51d8 2076/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2077 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2078
99abf803
PP
2079/*
2080 * Try to figure out max and min values for the integral types. THE CORRECT
2081 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2082 * following hacks are used if neither limits.h or values.h provide them:
2083 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2084 * for types < int: (unsigned TYPE)~(unsigned)0
2085 * The argument to ~ must be unsigned so that later signed->unsigned
2086 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2087 * and it must not be smaller than int because ~ does integral promotion.
2088 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2089 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2090 * The latter is a hack which happens to work on some machines but
2091 * does *not* catch any random system, or things like integer types
2092 * with NaN if that is possible.
2093 *
2094 * All of the types are explicitly cast to prevent accidental loss of
2095 * numeric range, and in the hope that they will be less likely to confuse
2096 * over-eager optimizers.
2097 *
2098 */
27d4fb96 2099
99abf803
PP
2100#define PERL_UCHAR_MIN ((unsigned char)0)
2101
2102#ifdef UCHAR_MAX
2103# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2104#else
99abf803
PP
2105# ifdef MAXUCHAR
2106# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2107# else
99abf803 2108# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
2109# endif
2110#endif
d460ef45 2111
99abf803
PP
2112/*
2113 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2114 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2115 * depending on local options. Until Configure detects this (or at least
2116 * detects whether the "signed" keyword is available) the CHAR ranges
2117 * will not be included. UCHAR functions normally.
2118 * - kja
2119 */
27d4fb96 2120
99abf803
PP
2121#define PERL_USHORT_MIN ((unsigned short)0)
2122
2123#ifdef USHORT_MAX
2124# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2125#else
99abf803
PP
2126# ifdef MAXUSHORT
2127# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2128# else
ef2f54b0
CB
2129# ifdef USHRT_MAX
2130# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2131# else
2132# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2133# endif
27d4fb96
PP
2134# endif
2135#endif
2136
27d4fb96 2137#ifdef SHORT_MAX
99abf803 2138# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
2139#else
2140# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2141# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2142# else
ef2f54b0
CB
2143# ifdef SHRT_MAX
2144# define PERL_SHORT_MAX ((short)SHRT_MAX)
2145# else
2146# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2147# endif
27d4fb96
PP
2148# endif
2149#endif
2150
2151#ifdef SHORT_MIN
99abf803 2152# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
2153#else
2154# ifdef MINSHORT
99abf803 2155# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2156# else
ef2f54b0
CB
2157# ifdef SHRT_MIN
2158# define PERL_SHORT_MIN ((short)SHRT_MIN)
2159# else
2160# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2161# endif
27d4fb96
PP
2162# endif
2163#endif
2164
99abf803
PP
2165#ifdef UINT_MAX
2166# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2167#else
99abf803
PP
2168# ifdef MAXUINT
2169# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2170# else
99abf803 2171# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
2172# endif
2173#endif
2174
99abf803 2175#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
2176
2177#ifdef INT_MAX
99abf803 2178# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
2179#else
2180# ifdef MAXINT /* Often used in <values.h> */
99abf803 2181# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2182# else
99abf803 2183# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
2184# endif
2185#endif
2186
2187#ifdef INT_MIN
99abf803 2188# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
2189#else
2190# ifdef MININT
99abf803 2191# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
2192# else
2193# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2194# endif
2195#endif
2196
99abf803
PP
2197#ifdef ULONG_MAX
2198# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2199#else
99abf803
PP
2200# ifdef MAXULONG
2201# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2202# else
99abf803 2203# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
2204# endif
2205#endif
2206
99abf803 2207#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2208
760ac839 2209#ifdef LONG_MAX
99abf803 2210# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
2211#else
2212# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2213# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2214# else
99abf803 2215# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
2216# endif
2217#endif
2218
2219#ifdef LONG_MIN
99abf803 2220# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
2221#else
2222# ifdef MINLONG
99abf803 2223# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2224# else
27d4fb96 2225# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
2226# endif
2227#endif
2228
d7d93a81 2229#ifdef UV_IS_QUAD
99abf803 2230
99abf803 2231# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2232# define PERL_UQUAD_MIN ((UV)0)
99abf803 2233# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2234# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2235
79072805
LW
2236#endif
2237
ee0007ab 2238typedef MEM_SIZE STRLEN;
450a55e4 2239
598921a7
NC
2240#ifdef PERL_MAD
2241typedef struct token TOKEN;
2242typedef struct madprop MADPROP;
2243typedef struct nexttoken NEXTTOKE;
2244#endif
79072805
LW
2245typedef struct op OP;
2246typedef struct cop COP;
2247typedef struct unop UNOP;
2248typedef struct binop BINOP;
2249typedef struct listop LISTOP;
2250typedef struct logop LOGOP;
79072805
LW
2251typedef struct pmop PMOP;
2252typedef struct svop SVOP;
7934575e 2253typedef struct padop PADOP;
79072805 2254typedef struct pvop PVOP;
79072805
LW
2255typedef struct loop LOOP;
2256
7aef8e5b 2257#ifdef PERL_CORE
8be227ab
FC
2258typedef struct opslab OPSLAB;
2259typedef struct opslot OPSLOT;
2260#endif
2261
52db365a 2262typedef struct block_hooks BHK;
1830b3d9 2263typedef struct custom_op XOP;
52db365a 2264
cd1541b2
NC
2265typedef struct interpreter PerlInterpreter;
2266
d2b3f365 2267/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2268#if defined(__sgi)
d2b3f365 2269# define STRUCT_SV perl_sv
b8d3c5db
JH
2270#else
2271# define STRUCT_SV sv
2272#endif
2273typedef struct STRUCT_SV SV;
79072805
LW
2274typedef struct av AV;
2275typedef struct hv HV;
2276typedef struct cv CV;
d2f13c59 2277typedef struct p5rx REGEXP;
79072805 2278typedef struct gp GP;
0c30d9ec 2279typedef struct gv GV;
8990e307 2280typedef struct io IO;
c09156bb 2281typedef struct context PERL_CONTEXT;
79072805
LW
2282typedef struct block BLOCK;
2283
2284typedef struct magic MAGIC;
2285typedef struct xpv XPV;
2286typedef struct xpviv XPVIV;
ff68c719 2287typedef struct xpvuv XPVUV;
79072805
LW
2288typedef struct xpvnv XPVNV;
2289typedef struct xpvmg XPVMG;
2290typedef struct xpvlv XPVLV;
d361b004 2291typedef struct xpvinvlist XINVLIST;
79072805
LW
2292typedef struct xpvav XPVAV;
2293typedef struct xpvhv XPVHV;
2294typedef struct xpvgv XPVGV;
2295typedef struct xpvcv XPVCV;
2296typedef struct xpvbm XPVBM;
2297typedef struct xpvfm XPVFM;
8990e307 2298typedef struct xpvio XPVIO;
79072805
LW
2299typedef struct mgvtbl MGVTBL;
2300typedef union any ANY;
5f7fde29
GS
2301typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2302typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
2303typedef struct clone_params CLONE_PARAMS;
2304
35e035cc 2305/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC
2306 * so hide the type. */
2307typedef struct padlist PADLIST;
67634234 2308typedef AV PAD;
35e035cc
FC
2309typedef AV PADNAMELIST;
2310typedef SV PADNAME;
67634234 2311
13b0f67d
DM
2312/* enable PERL_NEW_COPY_ON_WRITE by default */
2313#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2314# define PERL_NEW_COPY_ON_WRITE
2315#endif
07d01d6e 2316
db2c6cb3
FC
2317#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2318# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2319# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2320# else
2321# define PERL_ANY_COW
2322# endif
9f351b45
DM
2323#else
2324# define PERL_SAWAMPERSAND
db2c6cb3
FC
2325#endif
2326
378cc40b 2327#include "handy.h"
a0d0e21e 2328
6b8eaf93 2329#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
2330# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2331# define USE_64_BIT_RAWIO /* implicit */
2332# endif
4564133c
JH
2333#endif
2334
6b8eaf93
JH
2335/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2336 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2337 * however, because operating systems like to do that themself. */
2338#ifndef FSEEKSIZE
2339# ifdef HAS_FSEEKO
2340# define FSEEKSIZE LSEEKSIZE
2341# else
2342# define FSEEKSIZE LONGSIZE
d460ef45 2343# endif
6b8eaf93
JH
2344#endif
2345
2346#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
2347# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2348# define USE_64_BIT_STDIO /* implicit */
2349# endif
2350#endif
4564133c 2351
09458382 2352#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
2353# ifdef HAS_OFF64_T
2354# undef Off_t
2355# define Off_t off64_t
2356# undef LSEEKSIZE
2357# define LSEEKSIZE 8
5ff3f7a4 2358# endif
d9b3e12d
JH
2359/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2360 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2361 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
2362# if defined(USE_OPEN64)
2363# define open open64
5ff3f7a4 2364# endif
d9b3e12d
JH
2365# if defined(USE_LSEEK64)
2366# define lseek lseek64
6b8eaf93
JH
2367# else
2368# if defined(USE_LLSEEK)
2369# define lseek llseek
2370# endif
d9b3e12d
JH
2371# endif
2372# if defined(USE_STAT64)
2373# define stat stat64
2374# endif
2375# if defined(USE_FSTAT64)
2376# define fstat fstat64
2377# endif
2378# if defined(USE_LSTAT64)
2379# define lstat lstat64
2380# endif
2381# if defined(USE_FLOCK64)
2382# define flock flock64
2383# endif
2384# if defined(USE_LOCKF64)
2385# define lockf lockf64
2386# endif
2387# if defined(USE_FCNTL64)
2388# define fcntl fcntl64
2389# endif
2390# if defined(USE_TRUNCATE64)
2391# define truncate truncate64
2392# endif
2393# if defined(USE_FTRUNCATE64)
2394# define ftruncate ftruncate64
2395# endif
2396#endif
2397
2398#ifdef USE_64_BIT_STDIO
2399# ifdef HAS_FPOS64_T
2400# undef Fpos_t
2401# define Fpos_t fpos64_t
2402# endif
2403/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2404 * will trigger defines like the ones below. Some 64-bit environments,
2405 * however, do not. */
2406# if defined(USE_FOPEN64)
2407# define fopen fopen64
2408# endif
2409# if defined(USE_FSEEK64)
6b8eaf93 2410# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
2411# endif
2412# if defined(USE_FTELL64)
6b8eaf93 2413# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
2414# endif
2415# if defined(USE_FSETPOS64)
2416# define fsetpos fsetpos64
2417# endif
2418# if defined(USE_FGETPOS64)
2419# define fgetpos fgetpos64
2420# endif
2421# if defined(USE_TMPFILE64)
2422# define tmpfile tmpfile64
2423# endif
2424# if defined(USE_FREOPEN64)
2425# define freopen freopen64
5ff3f7a4
GS
2426# endif
2427#endif
2428
e37778c2 2429#if defined(OS2)
2c2d71f5
JH
2430# include "iperlsys.h"
2431#endif
2432
748a9306 2433#ifdef DOSISH
19848b3f
JH
2434# if defined(OS2)
2435# include "os2ish.h"
2436# else
2437# include "dosish.h"
2438# endif
009819bb 2439#elif defined(VMS)
748a9306 2440# include "vmsish.h"
009819bb 2441#elif defined(PLAN9)
19848b3f 2442# include "./plan9/plan9ish.h"
009819bb 2443#elif defined(__VOS__)
196918b0
PG
2444# ifdef __GNUC__
2445# include "./vos/vosish.h"
2446# else
2447# include "vos/vosish.h"
2448# endif
009819bb 2449#elif defined(__SYMBIAN32__)
27da23d5 2450# include "symbian/symbianish.h"
009819bb 2451#elif defined(__HAIKU__)
df00ff3b 2452# include "haiku/haikuish.h"
009819bb 2453#else
19848b3f 2454# include "unixish.h"
13b6e58c
JH
2455#endif
2456
2946a158
JH
2457/* NSIG logic from Configure --> */
2458/* Strange style to avoid deeply-nested #if/#else/#endif */
2459#ifndef NSIG
2460# ifdef _NSIG
2461# define NSIG (_NSIG)
2462# endif
2463#endif
2464
2465#ifndef NSIG
2466# ifdef SIGMAX
2467# define NSIG (SIGMAX+1)
2468# endif
2469#endif
2470
2471#ifndef NSIG
2472# ifdef SIG_MAX
2473# define NSIG (SIG_MAX+1)
2474# endif
2475#endif
2476
2477#ifndef NSIG
2478# ifdef _SIG_MAX
2479# define NSIG (_SIG_MAX+1)
2480# endif
2481#endif
2482
2483#ifndef NSIG
2484# ifdef MAXSIG
2485# define NSIG (MAXSIG+1)
2486# endif
2487#endif
2488
2489#ifndef NSIG
2490# ifdef MAX_SIG
2491# define NSIG (MAX_SIG+1)
2492# endif
2493#endif
2494
2495#ifndef NSIG
2496# ifdef SIGARRAYSIZE
2497# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2498# endif
2499#endif
2500
2501#ifndef NSIG
2502# ifdef _sys_nsig
2503# define NSIG (_sys_nsig) /* Solaris 2.5 */
2504# endif
2505#endif
2506
2507/* Default to some arbitrary number that's big enough to get most
2508 of the common signals.
2509*/
2510#ifndef NSIG
2511# define NSIG 50
2512#endif
2513/* <-- NSIG logic from Configure */
2514
13b6e58c
JH
2515#ifndef NO_ENVIRON_ARRAY
2516# define USE_ENVIRON_ARRAY
2517#endif
32f822de 2518
c77b533b
JH
2519/*
2520 * initialise to avoid floating-point exceptions from overflow, etc
2521 */
2522#ifndef PERL_FPU_INIT
2523# ifdef HAS_FPSETMASK
2524# if HAS_FLOATINGPOINT_H
2525# include <floatingpoint.h>
2526# endif
ad3a8c67
NC
2527/* Some operating systems have this as a macro, which in turn expands to a comma
2528 expression, and the last sub-expression is something that gets calculated,
2529 and then they have the gall to warn that a value computed is not used. Hence
2530 cast to void. */
2531# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2532# else
2f42fcb0 2533# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2534# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS
2535# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2536# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH
2537# else
2538# define PERL_FPU_INIT
2f42fcb0 2539
7014c407 2540# endif
c77b533b
JH
2541# endif
2542#endif
b35112e7
CS
2543#ifndef PERL_FPU_PRE_EXEC
2544# define PERL_FPU_PRE_EXEC {
2545# define PERL_FPU_POST_EXEC }
2546#endif
c77b533b 2547
cbec8ebe
DM
2548#ifndef PERL_SYS_INIT3_BODY
2549# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ
2550#endif
2551
eb533572 2552/*
4ad9e498 2553=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572
DM
2554Provides system-specific tune up of the C runtime environment necessary to
2555run Perl interpreters. This should be called only once, before creating
2556any Perl interpreters.
2557
4ad9e498 2558=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572
DM
2559Provides system-specific tune up of the C runtime environment necessary to
2560run Perl interpreters. This should be called only once, before creating
2561any Perl interpreters.
2562
2563=for apidoc Am|void|PERL_SYS_TERM|
2564Provides system-specific clean up of the C runtime environment after
2565running Perl interpreters. This should be called only once, after
2566freeing any remaining Perl interpreters.
2567
2568=cut
2569 */
2570
cbec8ebe
DM
2571#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2572#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2573#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2574
be708cc0
JH
2575#ifndef PERL_WRITE_MSG_TO_CONSOLE
2576# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2577#endif
2578
0f31cffe
GS
2579#ifndef MAXPATHLEN
2580# ifdef PATH_MAX
b990c8b2
JH
2581# ifdef _POSIX_PATH_MAX
2582# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH
2583/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2584 * included the null byte or not. Later amendments of POSIX,
2585 * XPG4, the Austin Group, and the Single UNIX Specification
2586 * all explicitly include the null byte in the PATH_MAX.
2587 * Ditto for _POSIX_PATH_MAX. */
2588# define MAXPATHLEN PATH_MAX
b990c8b2 2589# else
09448d78 2590# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH
2591# endif
2592# else
2593# define MAXPATHLEN (PATH_MAX+1)
2594# endif
0f31cffe 2595# else
d552bce8 2596# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS
2597# endif
2598#endif
2599
c80263a8
SH
2600/* In case Configure was not used (we are using a "canned config"
2601 * such as Win32, or a cross-compilation setup, for example) try going
2602 * by the gcc major and minor versions. One useful URL is
2603 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2604 * but contrary to this information warn_unused_result seems
2605 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD
2606 * Also, when building extensions with an installed perl, this allows
2607 * the user to upgrade gcc and get the right attributes, rather than
2608 * relying on the list generated at Configure time. --AD
c80263a8
SH
2609 * Set these up now otherwise we get confused when some of the <*thread.h>
2610 * includes below indirectly pull in <perlio.h> (which needs to know if we
2611 * have HASATTRIBUTE_FORMAT).
2612 */
2613
4d7c7898 2614#ifndef PERL_MICRO
fc2007d4 2615#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS
2616# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2617# define HASATTRIBUTE_DEPRECATED
2618# endif
c80263a8
SH
2619# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2620# define HASATTRIBUTE_FORMAT
63cdf24b
SH
2621# if defined __MINGW32__
2622# define PRINTF_FORMAT_NULL_OK
2623# endif
c80263a8
SH
2624# endif
2625# if __GNUC__ >= 3 /* 3.0 -> */
2626# define HASATTRIBUTE_MALLOC
2627# endif
2628# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2629# define HASATTRIBUTE_NONNULL
2630# endif
2631# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2632# define HASATTRIBUTE_NORETURN
2633# endif
2634# if __GNUC__ >= 3 /* gcc 3.0 -> */
2635# define HASATTRIBUTE_PURE
2636# endif
42bf5550 2637# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH
2638# define HASATTRIBUTE_UNUSED
2639# endif
d324fe49
AD
2640# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
2641# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
2642# endif
c80263a8
SH
2643# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2644# define HASATTRIBUTE_WARN_UNUSED_RESULT
2645# endif
2646#endif
00f254e2 2647#endif /* #ifndef PERL_MICRO */
c80263a8 2648
3db8f154 2649/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2650 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
2651 * this results in many functions being undeclared which bothers C++
2652 * May make sense to have threads after "*ish.h" anyway
2653 */
2654
3db8f154 2655#if defined(USE_ITHREADS)
2986a63f
JH
2656# ifdef NETWARE
2657# include <nw5thread.h>
2658# else
32f822de
GS
2659# ifdef WIN32
2660# include <win32thread.h>
2661# else
dd96f567
IZ
2662# ifdef OS2
2663# include "os2thread.h"
2664# else
7f3d1cf1 2665# ifdef I_MACH_CTHREADS
bdd66968 2666# include <mach/cthreads.h>
8f1f23e8 2667# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
2668# define MUTEX_INIT_CALLS_MALLOC
2669# endif
7f3d1cf1
BH
2670typedef cthread_t perl_os_thread;
2671typedef mutex_t perl_mutex;
2672typedef condition_t perl_cond;
2673typedef void * perl_key;
2674# else /* Posix threads */
1f5ae88c
JH
2675# ifdef I_PTHREAD
2676# include <pthread.h>
2677# endif
7f3d1cf1
BH
2678typedef pthread_t perl_os_thread;
2679typedef pthread_mutex_t perl_mutex;
2680typedef pthread_cond_t perl_cond;
2681typedef pthread_key_t perl_key;
2682# endif /* I_MACH_CTHREADS */
dd96f567 2683# endif /* OS2 */
32f822de 2684# endif /* WIN32 */
ef4abe76 2685# endif /* NETWARE */
3db8f154 2686#endif /* USE_ITHREADS */
c5be433b 2687
66a93824 2688#if defined(WIN32)
1feb2720 2689# include "win32.h"
c5be433b
GS
2690#endif
2691
2986a63f
JH
2692#ifdef NETWARE
2693# include "netware.h"
2694#endif
2695
e5218da5 2696#define STATUS_UNIX PL_statusvalue
68dc0745 2697#ifdef VMS
6b88bc9c 2698# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM
2699/*
2700 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2701 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM
2702 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2703 * be updated also.
2704 */
2705# include <stsdef.h>
2706# include <ssdef.h>
2707/* Presume this because if VMS changes it, it will require a new
2708 * set of APIs for waiting on children for binary compatibility.
2709 */
2710# define child_offset_bits (8)
2711# ifndef C_FAC_POSIX
2712# define C_FAC_POSIX 0x35A000
2713# endif
2714
2715/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2716 * platform from the existing UNIX or Native status values.
2717 */
2718
37038d91 2719# define STATUS_EXIT \
7a7fd8e0
JM
2720 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2721 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2722
7a7fd8e0 2723
fb38d079
JM
2724/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2725 * exit code and shifts the UNIX value over the correct number of bits to
2726 * be a child status. Usually the number of bits is 8, but that could be
2727 * platform dependent. The NATIVE status code is presumed to have either
2728 * from a child process.
7a7fd8e0
JM
2729 */
2730
fb38d079
JM
2731/* This is complicated. The child processes return a true native VMS
2732 status which must be saved. But there is an assumption in Perl that
2733 the UNIX child status has some relationship to errno values, so
00f254e2 2734 Perl tries to translate it to text in some of the tests.
fb38d079
JM
2735 In order to get the string translation correct, for the error, errno
2736 must be EVMSERR, but that generates a different text message
2737 than what the test programs are expecting. So an errno value must
2738 be derived from the native status value when an error occurs.
2739 That will hide the true native status message. With this version of
2740 perl, the true native child status can always be retrieved so that
2741 is not a problem. But in this case, Pl_statusvalue and errno may
2742 have different values in them.
2743 */
7a7fd8e0 2744
fb38d079 2745# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2746 STMT_START { \
2fbb330f
JM
2747 I32 evalue = (I32)n; \
2748 if (evalue == EVMSERR) { \
2749 PL_statusvalue_vms = vaxc$errno; \
2750 PL_statusvalue = evalue; \
7a7fd8e0 2751 } else { \
2fbb330f 2752 PL_statusvalue_vms = evalue; \
fb38d079 2753 if (evalue == -1) { \
3280af22 2754 PL_statusvalue = -1; \
7a7fd8e0
JM
2755 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2756 } else \
fb38d079 2757 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2758 set_vaxc_errno(evalue); \
fb38d079
JM
2759 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2760 set_errno(EVMSERR); \
2761 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2762 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2763 } \
68dc0745 2764 } STMT_END
7a7fd8e0 2765
68dc0745 2766# ifdef VMSISH_STATUS
e5218da5 2767# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2768# else
e5218da5 2769# define STATUS_CURRENT STATUS_UNIX
68dc0745 2770# endif
7a7fd8e0
JM
2771
2772 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2773 * the NATIVE status to an equivalent value. Can not be used to translate
2774 * exit code values as exit code values are not guaranteed to have any
2775 * relationship at all to errno values.
2776 * This is used when Perl is forcing errno to have a specific value.
2777 */
e5218da5 2778# define STATUS_UNIX_SET(n) \
68dc0745 2779 STMT_START { \
7a7fd8e0 2780 I32 evalue = (I32)n; \
0968cdad 2781 PL_statusvalue = evalue; \
3280af22 2782 if (PL_statusvalue != -1) { \
0968cdad
JM
2783 if (PL_statusvalue != EVMSERR) { \
2784 PL_statusvalue &= 0xFFFF; \
2785 if (MY_POSIX_EXIT) \
2786 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2787 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2788 } \
2789 else { \
2790 PL_statusvalue_vms = vaxc$errno; \
2791 } \
68dc0745 2792 } \
0968cdad
JM
2793 else PL_statusvalue_vms = SS$_ABORT; \
2794 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM
2795 } STMT_END
2796
2797 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM
2798 * the NATIVE error status based on it.
2799 *
2800 * When in the default mode to comply with the Perl VMS documentation,
2801 * 0 is a success and any other code sets the NATIVE status to a failure
2802 * code of SS$_ABORT.
fb38d079
JM
2803 *
2804 * In the new POSIX EXIT mode, native status will be set so that the
2805 * actual exit code will can be retrieved by the calling program or
2806 * shell.
2807 *
2808 * If the exit code is not clearly a UNIX parent or child exit status,
2809 * it will be passed through as a VMS status.
7a7fd8e0
JM
2810 */
2811
fb38d079 2812# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM
2813 STMT_START { \
2814 I32 evalue = (I32)n; \
2815 PL_statusvalue = evalue; \
e08e1e1d
JM
2816 if (MY_POSIX_EXIT) { \
2817 if (evalue <= 0xFF00) { \
2818 if (evalue > 0xFF) \
2819 evalue = (evalue >> child_offset_bits) & 0xFF; \
2820 PL_statusvalue_vms = \
2821 (C_FAC_POSIX | (evalue << 3 ) | \
2822 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
2823 } else /* forgive them Perl, for they have sinned */ \
2824 PL_statusvalue_vms = evalue; \
2825 } else { \
2826 if (evalue == 0) \
2827 PL_statusvalue_vms = SS$_NORMAL; \
2828 else if (evalue <= 0xFF00) \
2829 PL_statusvalue_vms = SS$_ABORT; \
2830 else { /* forgive them Perl, for they have sinned */ \
2831 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2832 else PL_statusvalue_vms = vaxc$errno; \
2833 /* And obviously used a VMS status value instead of UNIX */ \
2834 PL_statusvalue = EVMSERR; \
2835 } \
2836 set_vaxc_errno(PL_statusvalue_vms); \
2837 } \
68dc0745 2838 } STMT_END
fb38d079 2839
e08e1e1d 2840
6ac6a52b
JM
2841 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2842 * and sets the NATIVE error status based on it. This special case
2843 * is needed to maintain compatibility with past VMS behavior.
2844 *
2845 * In the default mode on VMS, this number is passed through as
2846 * both the NATIVE and UNIX status. Which makes it different
2847 * that the STATUS_UNIX_EXIT_SET.
2848 *
2849 * In the new POSIX EXIT mode, native status will be set so that the
2850 * actual exit code will can be retrieved by the calling program or
2851 * shell.
2852 *
1a3aec58
JM
2853 * A POSIX exit code is from 0 to 255. If the exit code is higher
2854 * than this, it needs to be assumed that it is a VMS exit code and
2855 * passed through.
6ac6a52b
JM
2856 */
2857
2858# define STATUS_EXIT_SET(n) \
2859 STMT_START { \
2860 I32 evalue = (I32)n; \
2861 PL_statusvalue = evalue; \
2862 if (MY_POSIX_EXIT) \
1a3aec58
JM
2863 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
2864 PL_statusvalue_vms = \
2865 (C_FAC_POSIX | (evalue << 3 ) | \
2866 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM
2867 else \
2868 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2869 set_vaxc_errno(PL_statusvalue_vms); \
2870 } STMT_END
2871
fb38d079
JM
2872
2873 /* This macro forces a success status */
7a7fd8e0
JM
2874# define STATUS_ALL_SUCCESS \
2875 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM
2876
2877 /* This macro forces a failure status */
7a7fd8e0
JM
2878# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2879 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2880 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2881
68dc0745 2882#else
e5218da5 2883# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2884# if defined(WCOREDUMP)
37038d91 2885# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2886 STMT_START { \
2887 PL_statusvalue_posix = (n); \
2888 if (PL_statusvalue_posix == -1) \
2889 PL_statusvalue = -1; \
2890 else { \
2891 PL_statusvalue = \
2892 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2893 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2894 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2895 } \
2896 } STMT_END
2897# elif defined(WIFEXITED)
37038d91 2898# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2899 STMT_START { \
2900 PL_statusvalue_posix = (n); \
2901 if (PL_statusvalue_posix == -1) \
2902 PL_statusvalue = -1; \
2903 else { \
2904 PL_statusvalue = \
2905 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2906 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2907 } \
2908 } STMT_END
2909# else
37038d91 2910# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA
2911 STMT_START { \
2912 PL_statusvalue_posix = (n); \
2913 if (PL_statusvalue_posix == -1) \
2914 PL_statusvalue = -1; \
2915 else { \
2916 PL_statusvalue = \
2917 PL_statusvalue_posix & 0xFFFF; \
2918 } \
2919 } STMT_END
2920# endif
2921# define STATUS_UNIX_SET(n) \
68dc0745 2922 STMT_START { \
3280af22
NIS
2923 PL_statusvalue = (n); \
2924 if (PL_statusvalue != -1) \
2925 PL_statusvalue &= 0xFFFF; \
68dc0745 2926 } STMT_END
7a7fd8e0 2927# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2928# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2929# define STATUS_CURRENT STATUS_UNIX
37038d91 2930# define STATUS_EXIT STATUS_UNIX
e5218da5
GA
2931# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2932# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745
PP
2933#endif
2934
cc3604b1
GS
2935/* flags in PL_exit_flags for nature of exit() */
2936#define PERL_EXIT_EXPECTED 0x01
31d77e54 2937#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM
2938#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
2939#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 2940
b79b76e0 2941#ifndef PERL_CORE
a7cb1f99 2942/* format to use for version numbers in file/directory names */
273cf8d1 2943/* XXX move to Configure? */
b79b76e0
NC
2944/* This was only ever used for the current version, and that can be done at
2945 compile time, as PERL_FS_VERSION, so should we just delete it? */
2946# ifndef PERL_FS_VER_FMT
2947# define PERL_FS_VER_FMT "%d.%d.%d"
2948# endif
2949#endif
2950
2951#ifndef PERL_FS_VERSION
2952# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS
2953#endif
2954
45bc9206 2955/* This defines a way to flush all output buffers. This may be a
76549fef
JH
2956 * performance issue, so we allow people to disable it. Also, if
2957 * we are using stdio, there are broken implementations of fflush(NULL)
2958 * out there, Solaris being the most prominent.
45bc9206
GS
2959 */
2960#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2961# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2962# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
2963# else
2964# ifdef FFLUSH_ALL
2965# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2966# else
c5be433b 2967# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2968# endif
66fe083f 2969# endif
45bc9206
GS
2970#endif
2971
7766f137
GS
2972#ifndef PERL_WAIT_FOR_CHILDREN
2973# define PERL_WAIT_FOR_CHILDREN NOOP
2974#endif
2975
ba869deb 2976/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
2977#ifndef PERL_SET_INTERP
2978# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2979#endif
2980
2981#ifndef PERL_GET_INTERP
2982# define PERL_GET_INTERP (PL_curinterp)
2983#endif
2984
54aff467 2985#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2986# ifdef MULTIPLICITY
ba869deb 2987# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2988# endif
ba869deb
GS
2989# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2990#endif
2991
00f254e2 2992/*
8896765a 2993 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2994 All that is required is that the perl source does not
00f254e2
KW
2995 use "%-p" or "%-<number>p" or "%<number>p" formats.
2996 These formats will still work in perl code.
486ec47a 2997 See comments in sv.c for further details.
8896765a 2998
8896765a 2999 Robin Barker 2005-07-14
f46d31f2 3000
00f254e2 3001 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3002*/
8896765a
RB
3003
3004#ifndef SVf_
63ce7bf0 3005# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS
3006#endif
3007
8896765a 3008#ifndef SVf
104abab4 3009# define SVf "-p"
d2560b70
RB
3010#endif
3011
014ead4b 3012#ifndef SVf32
8896765a 3013# define SVf32 SVf_(32)
014ead4b
RB
3014#endif
3015
3016#ifndef SVf256
8896765a
RB
3017# define SVf256 SVf_(256)
3018#endif
3019
be2597df
MHM
3020#define SVfARG(p) ((void*)(p))
3021
20023040
FC
3022#ifndef HEKf
3023# define HEKf "2p"
3024#endif
3025
b8fa5213
FC
3026/* Not ideal, but we cannot easily include a number in an already-numeric
3027 * format sequence. */
3028#ifndef HEKf256
3029# define HEKf256 "3p"
3030#endif
3031
20023040
FC
3032#define HEKfARG(p) ((void*)(p))
3033
b17a0679
FC
3034/* Takes three arguments: is_utf8, length, str */
3035#ifndef UTF8f
3036# define UTF8f "d%"UVuf"%4p"
3037#endif
3038#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3039
f46d31f2 3040#ifdef PERL_CORE
486ec47a 3041/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB
3042# undef UVf
3043#else
170cd9e9
NC
3044# ifndef UVf
3045# define UVf UVuf
3046# endif
d2560b70
RB
3047#endif
3048
fcdf39cf
RGS
3049#ifdef HASATTRIBUTE_DEPRECATED
3050# define __attribute__deprecated__ __attribute__((deprecated))
3051#endif
0dbb1585
AL
3052#ifdef HASATTRIBUTE_FORMAT
3053# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3054#endif
3055#ifdef HASATTRIBUTE_MALLOC
77785eea 3056# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3057#endif
0dbb1585 3058#ifdef HASATTRIBUTE_NONNULL
abb2c242 3059# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3060#endif
0dbb1585 3061#ifdef HASATTRIBUTE_NORETURN
abb2c242 3062# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3063#endif
0dbb1585 3064#ifdef HASATTRIBUTE_PURE
abb2c242 3065# define __attribute__pure__ __attribute__((pure))
f22be1b8 3066#endif
0dbb1585
AL
3067#ifdef HASATTRIBUTE_UNUSED
3068# define __attribute__unused__ __attribute__((unused))
3069#endif
3070#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3071# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH
3072#endif
3073
0dbb1585 3074/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS
3075#ifndef __attribute__deprecated__
3076# define __attribute__deprecated__
3077#endif
0dbb1585
AL
3078#ifndef __attribute__format__
3079# define __attribute__format__(x,y,z)
3080#endif
f22be1b8 3081#ifndef __attribute__malloc__
abb2c242 3082# define __attribute__malloc__
f22be1b8
JH
3083#endif
3084#ifndef __attribute__nonnull__
abb2c242 3085# define __attribute__nonnull__(a)
f22be1b8
JH
3086#endif
3087#ifndef __attribute__noreturn__
abb2c242 3088# define __attribute__noreturn__
f22be1b8
JH
3089#endif
3090#ifndef __attribute__pure__
abb2c242 3091# define __attribute__pure__
f22be1b8 3092#endif
0dbb1585
AL
3093#ifndef __attribute__unused__
3094# define __attribute__unused__
3095#endif
f22be1b8 3096#ifndef __attribute__warn_unused_result__
abb2c242
JH
3097# define __attribute__warn_unused_result__
3098#endif
3099
0dbb1585
AL
3100/* For functions that are marked as __attribute__noreturn__, it's not
3101 appropriate to call return. In either case, include the lint directive.
3102 */
3103#ifdef HASATTRIBUTE_NORETURN
ae103e09 3104# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3105#else
ae103e09 3106# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH
3107#endif
3108
cdfeb707
RB
3109/* Some OS warn on NULL format to printf */
3110#ifdef PRINTF_FORMAT_NULL_OK
3111# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3112#else
00f254e2 3113# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB
3114#endif
3115
635aebb7 3116#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL
3117# define EXPECT(expr,val) __builtin_expect(expr,val)
3118#else
3119# define EXPECT(expr,val) (expr)
3120#endif
6d5abc62
NC
3121#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3122#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL
3123#ifdef HAS_BUILTIN_CHOOSE_EXPR
3124/* placeholder */
3125#endif
b37c2d43 3126
ae103e09
DD
3127
3128#ifndef __has_builtin
3129# define __has_builtin(x) 0 /* not a clang style compiler */
3130#endif
3131
3132/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3133 hint to a compiler about a statement of fact in a function call free
3134 expression, which allows the compiler to generate better machine code.
3135 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3136 the control path is unreachable. In a for loop, ASSUME can be used to hint
3137 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3138 intrinsic function, see its documents for more details.
3139*/
3140
3141#ifndef DEBUGGING
3142# if __has_builtin(__builtin_unreachable) \
3143 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 5) /* 4.5 -> */
3144# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3145# elif defined(_MSC_VER)
3146# define ASSUME(x) __assume(x)
3147# elif defined(__ARMCC_VERSION) /* untested */
3148# define ASSUME(x) __promise(x)
3149# else
3150/* a random compiler might define assert to its own special optimization token
3151 so pass it through to C lib as a last resort */
3152# define ASSUME(x) assert(x)
3153# endif
3154#else
3155# define ASSUME(x) assert(x)
3156#endif
3157
3158#define NOT_REACHED ASSUME(0)
3159
3fc1aec6
PP
3160/* Some unistd.h's give a prototype for pause() even though
3161 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3162 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
3163*/
3164#ifdef HAS_PAUSE
3165#define Pause pause
3166#else
3167#define Pause() sleep((32767<<16)+32767)
748a9306
LW
3168#endif
3169
3170#ifndef IOCPARM_LEN
3171# ifdef IOCPARM_MASK
61f1c44b 3172 /* on BSDish systems we're safe */
748a9306
LW
3173# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3174# else
61f1c44b 3175# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA
3176 /* on Linux systems we're safe; except when we're not [perl #38223] */
3177# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3178# else
748a9306 3179 /* otherwise guess at what's safe */
61f1c44b
JVD
3180# define IOCPARM_LEN(x) 256
3181# endif
748a9306 3182# endif
a0d0e21e
LW
3183#endif
3184
1761cee5 3185#if defined(__CYGWIN__)
521e0776
GS
3186/* USEMYBINMODE
3187 * This symbol, if defined, indicates that the program should
16fe6d59 3188 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
3189 * that a file is in "binary" mode -- that is, that no translation
3190 * of bytes occurs on read or write operations.
3191 */
36894f0b 3192# define USEMYBINMODE /**/
77a40698 3193# include <io.h> /* for setmode() prototype */
16fe6d59 3194# define my_binmode(fp, iotype, mode) \
77a40698 3195 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
3196#endif
3197
88d10794
JH
3198#ifdef __CYGWIN__
3199void init_os_extras(void);
3200#endif
3201
cea2e8a9
GS
3202#ifdef UNION_ANY_DEFINITION
3203UNION_ANY_DEFINITION;
3204#else
3205union any {
3206 void* any_ptr;
3207 I32 any_i32;
ae103e09 3208 U32 any_u32;
cea2e8a9 3209 IV any_iv;
c6bf6a65 3210 UV any_uv;
cea2e8a9 3211 long any_long;
9febdf04 3212 bool any_bool;
c76ac1ee 3213 void (*any_dptr) (void*);
acfe0abc 3214 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
3215};
3216#endif
3217
acfe0abc 3218typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
3219
3220#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM
3221#define FILTER_DATA(idx) \
3222 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3223#define FILTER_ISREADER(idx) \
3224 (PL_parser && PL_parser->rsfp_filters \
3225 && idx >= AvFILLp(PL_parser->rsfp_filters))
3226#define PERL_FILTER_EXISTS(i) \
3227 (PL_parser && PL_parser->rsfp_filters \
3228 && (i) <= av_len(PL_parser->rsfp_filters))
cea2e8a9 3229
c5078cac
JH
3230#if defined(_AIX) && !defined(_AIX43)
3231#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3232/* We cannot include <crypt.h> to get the struct crypt_data
3233 * because of setkey prototype problems when threading */
3234typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3235 /* From OSF, Not needed in AIX
3236 char C[28], D[28];
3237 */
3238 char E[48];
3239 char KS[16][48];
3240 char block[66];
3241 char iobuf[16];
3242} CRYPTD;
3243#endif /* threading */
3244#endif /* AIX */
3245
e37778c2 3246#if !defined(OS2)
2c2d71f5
JH
3247# include "iperlsys.h"
3248#endif
504f80c1 3249
9c12f1e5 3250#ifdef __LIBCATAMOUNT__
00f254e2 3251#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS
3252#undef HAS_GROUP
3253#define FAKE_BIT_BUCKET
3254#endif
3255
d10dc2ae
JH
3256/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3257 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3258 * defined by Configure, despite their names being similar to the
3259 * other defines like USE_ITHREADS. Configure in fact knows nothing
3260 * about the randomised hashes. Therefore to enable/disable the hash
3261 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3262#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3263# define USE_HASH_SEED
504f80c1
JH
3264#endif
3265
598921a7
NC
3266/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3267 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3268 * it's not really needed.
3269 */
3270#if defined(WIN32)
3271# define YYTOKENTYPE
3272#endif
3273#include "perly.h"
3274
3275#ifdef PERL_MAD
3276struct nexttoken {
3277 YYSTYPE next_val; /* value of next token, if any */
3278 I32 next_type; /* type of next token */
3279 MADPROP *next_mad; /* everything else about that token */
3280};
3281#endif
3282
654eccd5
JD
3283/* macros to define bit-fields in structs. */
3284#ifndef PERL_BITFIELD8
3285# define PERL_BITFIELD8 unsigned
3286#endif
3287#ifndef PERL_BITFIELD16
3288# define PERL_BITFIELD16 unsigned
3289#endif
3290#ifndef PERL_BITFIELD32
3291# define PERL_BITFIELD32 unsigned
3292#endif
3293
79072805 3294#include "sv.h"
288b8c02 3295#include "regexp.h"
378cc40b 3296#include "util.h"
8d063cd8 3297#include "form.h"
79072805 3298#include "gv.h"
dd2155a4 3299#include "pad.h"
79072805 3300#include "cv.h"
abdd5c84 3301#include "opnames.h"
79072805 3302#include "op.h"
b3ca2e83 3303#include "hv.h"
79072805
LW
3304#include "cop.h"
3305#include "av.h"
79072805
LW
3306#include "mg.h"
3307#include "scope.h"
4438c4b7 3308#include "warnings.h"
a0ed51b3 3309#include "utf8.h"
8d063cd8 3310
0d7d409d
DM
3311/* these would be in doio.h if there was such a file */
3312#define my_stat() my_stat_flags(SV_GMAGIC)
3313#define my_lstat() my_lstat_flags(SV_GMAGIC)
3314
20f4945e 3315/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM
3316#undef _XPV_HEAD
3317#undef _XPVMG_HEAD
3318#undef _XPVCV_COMMON
7fae4e64
GS
3319
3320typedef struct _sublex_info SUBLEXINFO;
3321struct _sublex_info {
651b5b28
NC
3322 U8 super_state; /* lexer state to save */
3323 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3324 OP *sub_op; /* "lex_op" to use */
7cc34111 3325 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS
3326};
3327
199e78b7
DM
3328#include "parser.h"
3329
455ece5e 3330typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3331
2260ab51
KW
3332#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3333
3334/* These have to be predeclared, as they are used in proto.h which is #included
3335 * before their definitions in regcomp.h. */
3336
3337struct scan_data_t;
3338struct regnode_charclass_class;
d1d040e5
KW
3339
3340/* A hopefully less confusing name. The sub-classes are all Posix classes only
3341 * used under /l matching */
3342typedef struct regnode_charclass_class regnode_charclass_posixl;
3343
b8f7bb16 3344typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW
3345typedef struct RExC_state_t RExC_state_t;
3346struct _reg_trie_data;
76e3520e 3347
2260ab51
KW
3348#endif
3349
5f7fde29
GS
3350struct ptr_tbl_ent {
3351 struct ptr_tbl_ent* next;
53c1dcc0 3352 const void* oldval;
5f7fde29 3353 void* newval;
d18c6117
GS
3354};
3355
5f7fde29
GS
3356struct ptr_tbl {
3357 struct ptr_tbl_ent** tbl_ary;
3358 UV tbl_max;
3359 UV tbl_items;
db93c0c4
NC
3360 struct ptr_tbl_arena *tbl_arena;
3361 struct ptr_tbl_ent *tbl_arena_next;
3362 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS
3363};
3364
fe14fcc3
LW
3365#if defined(htonl) && !defined(HAS_HTONL)
3366#define HAS_HTONL
ae986130 3367#endif
fe14fcc3
LW
3368#if defined(htons) && !defined(HAS_HTONS)
3369#define HAS_HTONS
ae986130 3370#endif
fe14fcc3
LW
3371#if defined(ntohl) && !defined(HAS_NTOHL)
3372#define HAS_NTOHL
ae986130 3373#endif
fe14fcc3
LW
3374#if defined(ntohs) && !defined(HAS_NTOHS)
3375#define HAS_NTOHS
ae986130 3376#endif
fe14fcc3 3377#ifndef HAS_HTONL
fe14fcc3
LW
3378#define HAS_HTONS
3379#define HAS_HTONL
3380#define HAS_NTOHS
3381#define HAS_NTOHL
8e2d7c44
NC
3382# if (BYTEORDER & 0xffff) == 0x4321
3383/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3384 re-order their values. However, to behave identically to the alternative
3385 implementations, they should truncate to the correct size. */
3386# define ntohl(x) ((x)&0xFFFFFFFF)
3387# define htonl(x) ntohl(x)
3388# define ntohs(x) ((x)&0xFFFF)
3389# define htons(x) ntohs(x)
e4b03fed
NC
3390# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3391
3392/* Note that we can't straight out declare our own htonl and htons because
3393 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3394 to avoid the overhead of initialising the socket subsystem, but the headers
3395 that *declare* the various functions are still seen. If we declare our own
3396 htonl etc they will clash with the declarations in the Win32 headers. */
3397
3398PERL_STATIC_INLINE U32
3399my_swap32(const U32 x) {
3400 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3401 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3402}
3403
3404PERL_STATIC_INLINE U16
3405my_swap16(const U16 x) {
3406 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3407}
3408
3409# define htonl(x) my_swap32(x)
3410# define ntohl(x) my_swap32(x)
3411# define ntohs(x) my_swap16(x)
3412# define htons(x) my_swap16(x)
8e2d7c44 3413# else
691a44df
NC
3414# error "Unsupported byteorder"
3415/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3416 the error message. Please check the value of the macro BYTEORDER, as defined
3417 in config.h. The values of BYTEORDER we expect are
3418
3419 big endian little endian
3420 32 bit 0x4321 0x1234
3421 64 bit 0x87654321 0x12345678
3422
3423 If you have a system with a different byte order, please see
3424 pod/perlhack.pod for how to submit a patch to add supporting code.
3425*/
3426# endif
a687059c
LW
3427#endif
3428
988174c1
LW
3429/*
3430 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3431 * -DWS
3432 */
5ae72479 3433#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC
3434/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3435 re-order their values. However, to behave identically to the alternative
3436 implementations, they should truncate to the correct size. */
3437# define vtohl(x) ((x)&0xFFFFFFFF)
3438# define vtohs(x) ((x)&0xFFFF)
3439# define htovl(x) vtohl(x)
3440# define htovs(x) vtohs(x)
545872c5 3441#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
3442# define vtohl(x) ((((x)&0xFF)<<24) \
3443 +(((x)>>24)&0xFF) \
3444 +(((x)&0x0000FF00)<<8) \
3445 +(((x)&0x00FF0000)>>8) )
3446# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3447# define htovl(x) vtohl(x)
3448# define htovs(x) vtohs(x)
545872c5
NC
3449#else
3450# error "Unsupported byteorder"
3451/* If you have need for current perl on PDP-11 or similar, and can help test
3452 that blead keeps working on a mixed-endian system, then see
3453 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3454#endif
988174c1 3455
3bb7c1b4
JH
3456/* *MAX Plus 1. A floating point value.
3457 Hopefully expressed in a way that dodgy floating point can't mess up.
3458 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3459 is added to it
3460 May find that some broken compiler will want the value cast to I32.
3461 [after the shift, as signed >> may not be as secure as unsigned >>]
3462*/
3463#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3464#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3465/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3466 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3467 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3468*/
3469#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3470
3bb7c1b4
JH
3471#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3472#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3473#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3474
3475/* This may look like unnecessary jumping through hoops, but converting
3476 out of range floating point values to integers *is* undefined behaviour,
3477 and it is starting to bite.
3478*/
3479#ifndef CAST_INLINE
65202027 3480#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3481#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
3482#define I_V(what) (cast_iv((NV)(what)))
3483#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
3484#else
3485#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3486 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3487 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3488#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3489 : ((n) < U32_MAX_P1 ? (U32) (n) \
3490 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3491#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3492 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3493 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3494#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3495 : ((n) < UV_MAX_P1 ? (UV) (n) \
3496 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3497#endif
3498
3499#define U_S(what) ((U16)U_32(what))
3500#define U_I(what) ((unsigned int)U_32(what))
3501#define U_L(what) U_32(what)
ed6116ce 3502
ed140128
AD
3503#ifdef HAS_SIGNBIT
3504# define Perl_signbit signbit
3505#endif
3506
2d4389e4
JH
3507/* These do not care about the fractional part, only about the range. */
3508#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3509#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3510
25da4f38
IZ
3511/* Used with UV/IV arguments: */
3512 /* XXXX: need to speed it up */
3513#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3514#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3515
352d5a3a
LW
3516#ifndef MAXSYSFD
3517# define MAXSYSFD 2
3518#endif
ee0007ab 3519
79072805 3520#ifndef __cplusplus
e37d7e38 3521#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS
3522Uid_t getuid (void);
3523Uid_t geteuid (void);
3524Gid_t getgid (void);
3525Gid_t getegid (void);
79072805 3526#endif
e1caacb4 3527#endif
8d063cd8 3528
0c30d9ec 3529#ifndef Perl_debug_log
bf49b057
GS
3530# define Perl_debug_log PerlIO_stderr()
3531#endif
3532
3533#ifndef Perl_error_log
3534# define Perl_error_log (PL_stderrgv \
6b78add2 3535 && isGV(PL_stderrgv) \
01bb7c6d 3536 && GvIOp(PL_stderrgv) \
42de951c 3537 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
3538 ? IoOFP(GvIOp(PL_stderrgv)) \
3539 : PerlIO_stderr())
0c30d9ec 3540#endif
3967c732 3541
aea4f609
DM
3542
3543#define DEBUG_p_FLAG 0x00000001 /* 1 */
3544#define DEBUG_s_FLAG 0x00000002 /* 2 */
3545#define DEBUG_l_FLAG 0x00000004 /* 4 */
3546#define DEBUG_t_FLAG 0x00000008 /* 8 */
3547#define DEBUG_o_FLAG 0x00000010 /* 16 */
3548#define DEBUG_c_FLAG 0x00000020 /* 32 */
3549#define DEBUG_P_FLAG 0x00000040 /* 64 */
3550#define DEBUG_m_FLAG 0x00000080 /* 128 */
3551#define DEBUG_f_FLAG 0x00000100 /* 256 */
3552#define DEBUG_r_FLAG 0x00000200 /* 512 */
3553#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3554#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC
3555/* U is reserved for Unofficial, exploratory hacking */
3556#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM
3557#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3558#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3559#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3560#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3561#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3562#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3563#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3564#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3565#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3566#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3567#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS
3568#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3569#define DEBUG_B_FLAG 0x02000000 /*33554432*/
56967202 3570#define DEBUG_MASK 0x03FFEFFF /* mask of all the standard flags */
aea4f609
DM
3571
3572#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ
3573#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3574 that something was done? */
aea4f609 3575
bd16a5f0
IZ
3576# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3577# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3578# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3579# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3580# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3581# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3582# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3583# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3584# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3585# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3586# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3587# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3588# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ
3589# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3590# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3591# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3592# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ
3593# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3594# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3595# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3596# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3597# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC
3598# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3599# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3600# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3601# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
dd2155a4 3602# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3603# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3604# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3605
3967c732 3606#ifdef DEBUGGING
aea4f609 3607
bd16a5f0
IZ
3608# define DEBUG_p_TEST DEBUG_p_TEST_
3609# define DEBUG_s_TEST DEBUG_s_TEST_
3610# define DEBUG_l_TEST DEBUG_l_TEST_
3611# define DEBUG_t_TEST DEBUG_t_TEST_
3612# define DEBUG_o_TEST DEBUG_o_TEST_
3613# define DEBUG_c_TEST DEBUG_c_TEST_
3614# define DEBUG_P_TEST DEBUG_P_TEST_
3615# define DEBUG_m_TEST DEBUG_m_TEST_
3616# define DEBUG_f_TEST DEBUG_f_TEST_
3617# define DEBUG_r_TEST DEBUG_r_TEST_
3618# define DEBUG_x_TEST DEBUG_x_TEST_
3619# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3620# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ
3621# define DEBUG_H_TEST DEBUG_H_TEST_
3622# define DEBUG_X_TEST DEBUG_X_TEST_
3623# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3624# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ
3625# define DEBUG_T_TEST DEBUG_T_TEST_
3626# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3627# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3628# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3629# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3630# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3631# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 3632# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 3633# define DEBUG_B_TEST DEBUG_B_TEST_
7949c6f5
JC
3634# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3635# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 3636# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 3637
488b0c7a
JH
3638# define PERL_DEB(a) a
3639# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM
3640# define DEBUG_p(a) if (DEBUG_p_TEST) a
3641# define DEBUG_s(a) if (DEBUG_s_TEST) a
3642# define DEBUG_l(a) if (DEBUG_l_TEST) a
3643# define DEBUG_t(a) if (DEBUG_t_TEST) a
3644# define DEBUG_o(a) if (DEBUG_o_TEST) a
3645# define DEBUG_c(a) if (DEBUG_c_TEST) a
3646# define DEBUG_P(a) if (DEBUG_P_TEST) a
3647
969058bb
VK
3648 /* Temporarily turn off memory debugging in case the a
3649 * does memory allocation, either directly or indirectly. */
acfe0abc 3650# define DEBUG_m(a) \
0b250b9e 3651 STMT_START { \
aea4f609 3652 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3653 } STMT_END
aea4f609 3654
5f80b19c
AMS
3655# define DEBUG__(t, a) \
3656 STMT_START { \
3657 if (t) STMT_START {a;} STMT_END; \
3658 } STMT_END
3659
3660# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 3661#ifndef PERL_EXT_RE_BUILD
5f80b19c 3662# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO
3663#else
3664# define DEBUG_r(a) STMT_START {a;} STMT_END
3665#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS
3666# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3667# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 3668# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS
3669# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3670# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3671# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC
3672# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3673# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 3674# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 3675
56967202 3676# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS
3677# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3678# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3679# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3680# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC
3681# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3682# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 3683# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 3684# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
aea4f609
DM
3685
3686#else /* DEBUGGING */
3687
3688# define DEBUG_p_TEST (0)
3689# define DEBUG_s_TEST (0)
3690# define DEBUG_l_TEST (0)
3691# define DEBUG_t_TEST (0)
3692# define DEBUG_o_TEST (0)
3693# define DEBUG_c_TEST (0)
3694# define DEBUG_P_TEST (0)
3695# define DEBUG_m_TEST (0)
3696# define DEBUG_f_TEST (0)
3697# define DEBUG_r_TEST (0)
3698# define DEBUG_x_TEST (0)
3699# define DEBUG_u_TEST (0)
88d2d28a 3700# define DEBUG_U_TEST (0)
aea4f609
DM
3701# define DEBUG_H_TEST (0)
3702# define DEBUG_X_TEST (0)
3703# define DEBUG_D_TEST (0)
56967202 3704# define DEBUG_S_TEST (0)
aea4f609 3705# define DEBUG_T_TEST (0)
04932ac8 3706# define DEBUG_R_TEST (0)
1045810a 3707# define DEBUG_J_TEST (0)
d6721266 3708# define DEBUG_v_TEST (0)
46187eeb 3709# define DEBUG_C_TEST (0)
ecae49c0
NC
3710# define DEBUG_A_TEST (0)
3711# define DEBUG_q_TEST (0)
d7c0d282 3712# define DEBUG_M_TEST (0)
cc8773c0 3713# define DEBUG_B_TEST (0)
7949c6f5
JC
3714# define DEBUG_Xv_TEST (0)
3715# define DEBUG_Uv_TEST (0)
ad9e76a8 3716# define DEBUG_Pv_TEST (0)
aea4f609 3717
488b0c7a
JH
3718# define PERL_DEB(a)
3719# define PERL_DEBUG(a)
aea4f609
DM
3720# define DEBUG_p(a)
3721# define DEBUG_s(a)
3722# define DEBUG_l(a)
3723# define DEBUG_t(a)
3724# define DEBUG_o(a)
3725# define DEBUG_c(a)
3726# define DEBUG_P(a)
3727# define DEBUG_m(a)
3728# define DEBUG_f(a)
3729# define DEBUG_r(a)
3730# define DEBUG_x(a)
3731# define DEBUG_u(a)
88d2d28a 3732# define DEBUG_U(a)
aea4f609
DM
3733# define DEBUG_H(a)
3734# define DEBUG_X(a)
3735# define DEBUG_D(a)
56967202 3736# define DEBUG_S(a)
aea4f609 3737# define DEBUG_T(a)
04932ac8 3738# define DEBUG_R(a)
d6721266 3739# define DEBUG_v(a)
46187eeb 3740# define DEBUG_C(a)
ecae49c0
NC
3741# define DEBUG_A(a)
3742# define DEBUG_q(a)
d7c0d282 3743# define DEBUG_M(a)
cc8773c0 3744# define DEBUG_B(a)
7949c6f5
JC
3745# define DEBUG_Xv(a)
3746# define DEBUG_Uv(a)
ad9e76a8 3747# define DEBUG_Pv(a)
aea4f609
DM
3748#endif /* DEBUGGING */