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a0f6b076 1/* system-dependent definitions for Bison.
04c5cba2 2 Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
17
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18#ifndef BISON_SYSTEM_H
19#define BISON_SYSTEM_H
20
21#ifdef HAVE_CONFIG_H
22# include <config.h>
23#endif
24
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25/* AIX requires this to be the first thing in the file. */
26#ifdef __GNUC__
27# define alloca(Size) __builtin_alloca (Size)
28#else
29# if HAVE_ALLOCA_H
30# include <alloca.h>
31# else
32# ifdef _AIX
33 #pragma alloca
34# else
35# ifndef alloca /* predefined by HP cc +Olibcalls */
36char *alloca ();
37# endif
38# endif
39# endif
40#endif
41
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42#include <stdio.h>
43
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44#include <assert.h>
45
499daa50 46#if HAVE_STDLIB_H
a0f6b076 47# include <stdlib.h>
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48#endif
49
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50/* The following test is to work around the gross typo in
51 systems like Sony NEWS-OS Release 4.0C, whereby EXIT_FAILURE
52 is defined to 0, not 1. */
53#if !EXIT_FAILURE
54# undef EXIT_FAILURE
55# define EXIT_FAILURE 1
56#endif
57
58#ifndef EXIT_SUCCESS
59# define EXIT_SUCCESS 0
60#endif
61
499daa50 62#if HAVE_UNISTD_H
a0f6b076 63# include <unistd.h>
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64#endif
65
5fcfb6e7 66#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
a0f6b076 67# include <string.h>
5fcfb6e7 68/* An ANSI string.h and pre-ANSI memory.h might conflict. */
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69# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
70# include <memory.h>
71# endif /* not STDC_HEADERS and HAVE_MEMORY_H */
5fcfb6e7 72#else /* not STDC_HEADERS and not HAVE_STRING_H */
a0f6b076 73# include <strings.h>
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74/* memory.h and strings.h conflict on some systems. */
75#endif /* not STDC_HEADERS and not HAVE_STRING_H */
f2d78a99 76
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77#include <errno.h>
78#ifndef errno
79extern int errno;
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80#endif
81
930393cf 82#include <limits.h>
62a3e4f0 83
342b8b6e 84# include "xalloc.h"
b77b9ee0 85
a4b36db4 86/* From xstrndup.c. */
930393cf 87char *xstrndup (const char *s, size_t n);
a4b36db4 88
273a74fa 89
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90/*----------------.
91| Using timevar. |
92`----------------*/
93
94#include "timevar.h"
95extern int time_report;
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96
97
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98/*---------------------.
99| Missing prototypes. |
100`---------------------*/
101
102#if !HAVE_DECL_STPCPY
930393cf 103char *stpcpy (char *dest, const char *src);
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104#endif
105
ec2da99f 106#if !HAVE_DECL_STRCHR
930393cf 107char *strchr (const char *s, int c);
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108#endif
109
ec2da99f 110#if !HAVE_DECL_STRSPN
930393cf 111size_t strspn (const char *s, const char *accept);
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112#endif
113
b77b9ee0 114#if !HAVE_DECL_STRNLEN
930393cf 115size_t strnlen (const char *s, size_t maxlen);
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116#endif
117
ec2da99f 118#if !HAVE_DECL_MEMCHR
930393cf 119void *memchr (const void *s, int c, size_t n);
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120#endif
121
122#if !HAVE_DECL_MEMRCHR
930393cf 123void *memrchr (const void *s, int c, size_t n);
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124#endif
125
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126
127
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128/*-----------------.
129| GCC extensions. |
130`-----------------*/
131
132#ifndef __attribute__
133/* This feature is available in gcc versions 2.5 and later. */
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134# if !defined (__GNUC__) || __GNUC__ < 2 || \
135(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
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136# define __attribute__(Spec) /* empty */
137# endif
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138#endif
139
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140/* The __-protected variants of `format' and `printf' attributes
141 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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142#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
143# define __format__ format
144# define __printf__ printf
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145#endif
146
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147#ifndef ATTRIBUTE_NORETURN
148# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
149#endif
150
151#ifndef ATTRIBUTE_UNUSED
152# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
153#endif
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154
155/*------.
156| NLS. |
157`------*/
158
7bb4d914 159#ifdef HAVE_LOCALE_H
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160# include <locale.h>
161#endif
7bb4d914 162#ifndef HAVE_SETLOCALE
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163# define setlocale(Category, Locale)
164#endif
165
9208d17f 166#include "gettext.h"
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167#define _(Msgid) gettext (Msgid)
168#define N_(Msgid) (Msgid)
f2d78a99 169
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170
171/*-------------------------------.
172| Fix broken compilation flags. |
173`-------------------------------*/
174
8a278a04 175#ifndef LOCALEDIR
a0f6b076 176# define LOCALEDIR "/usr/local/share/locale"
8a278a04 177#endif
d968a24b 178
ceed8467 179
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180/*-----------.
181| Booleans. |
182`-----------*/
183
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184#if HAVE_STDBOOL_H
185# include <stdbool.h>
186#else
187typedef enum {false = 0, true = 1} bool;
015acc48 188#endif
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189
190
191/*-----------.
192| Obstacks. |
193`-----------*/
194
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195# define obstack_chunk_alloc xmalloc
196# define obstack_chunk_free free
197# include "obstack.h"
8c7ebe49 198
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199#define obstack_sgrow(Obs, Str) \
200 obstack_grow (Obs, Str, strlen (Str))
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201
202#define obstack_fgrow1(Obs, Format, Arg1) \
203do { \
204 char buf[4096]; \
205 sprintf (buf, Format, Arg1); \
206 obstack_grow (Obs, buf, strlen (buf)); \
207} while (0)
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208
209#define obstack_fgrow2(Obs, Format, Arg1, Arg2) \
210do { \
211 char buf[4096]; \
212 sprintf (buf, Format, Arg1, Arg2); \
213 obstack_grow (Obs, buf, strlen (buf)); \
214} while (0)
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215
216#define obstack_fgrow3(Obs, Format, Arg1, Arg2, Arg3) \
217do { \
218 char buf[4096]; \
219 sprintf (buf, Format, Arg1, Arg2, Arg3); \
220 obstack_grow (Obs, buf, strlen (buf)); \
221} while (0)
7de3329e 222
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223#define obstack_fgrow4(Obs, Format, Arg1, Arg2, Arg3, Arg4) \
224do { \
225 char buf[4096]; \
226 sprintf (buf, Format, Arg1, Arg2, Arg3, Arg4); \
227 obstack_grow (Obs, buf, strlen (buf)); \
228} while (0)
229
7de3329e 230
7de3329e 231
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232/*-----------------------------------------.
233| Extensions to use for the output files. |
234`-----------------------------------------*/
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235
236#ifdef VMS
237 /* VMS. */
238# define EXT_TAB "_tab"
239# define EXT_OUTPUT ".output"
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240#else /* ! VMS */
241# ifdef MSDOS
242 /* MS DOS. */
243# define EXT_TAB "_tab"
244# define EXT_OUTPUT ".out"
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245# else /* ! MSDOS */
246 /* Standard. */
247# define EXT_TAB ".tab"
248# define EXT_OUTPUT ".output"
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249# endif /* ! MSDOS */
250#endif /* ! VMS */
55b96341 251
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252#ifndef DEFAULT_TMPDIR
253# define DEFAULT_TMPDIR "/tmp"
254#endif
255
256
257
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258/*---------------------.
259| Free a linked list. |
260`---------------------*/
261
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262#define LIST_FREE(Type, List) \
263do { \
264 Type *_node, *_next; \
265 for (_node = List; _node; _node = _next) \
266 { \
267 _next = _node->next; \
268 XFREE (_node); \
269 } \
270} while (0)
271
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272
273/*---------------------------------------------.
274| Debugging memory allocation (must be last). |
275`---------------------------------------------*/
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276
277# if WITH_DMALLOC
278# define DMALLOC_FUNC_CHECK
279# include <dmalloc.h>
280# endif /* WITH_DMALLOC */
281
a4b36db4 282#endif /* ! BISON_SYSTEM_H */