1 /* Dirty system-dependent hacks.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GNU Wget.
7 GNU Wget is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at
10 your option) any later version.
12 GNU Wget is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Wget. If not, see <http://www.gnu.org/licenses/>.
20 Additional permission under GNU GPL version 3 section 7
22 If you modify this program, or any covered work, by linking or
23 combining it with the OpenSSL project's OpenSSL library (or a
24 modified version of that library), containing parts covered by the
25 terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26 grants you additional permission to convey the resulting work.
27 Corresponding Source for a non-source form of such a combination
28 shall include the source code for the parts of OpenSSL used as well
29 as that of the covered work. */
31 /* This file is included by wget.h. Random .c files need not include
37 /* Must include these, so we can test for the missing stat macros and
38 define them as necessary. */
39 #include <sys/types.h>
42 #ifdef HAVE_INTTYPES_H
43 # include <inttypes.h>
47 /* Windows doesn't have some functions normally found on Unix-like
48 systems, such as strcasecmp, strptime, etc. Include mswindows.h so
49 we get the declarations for their replacements in mswindows.c, as
50 well as to pick up Windows-specific includes and constants. To be
51 able to test for such features, the file must be included as early
53 # include "mswindows.h"
56 /* Provide support for C99-type boolean type "bool". This blurb comes
57 straight from the Autoconf 2.59 manual. */
65 typedef unsigned char _Bool;
71 # define __bool_true_false_are_defined 1
74 /* Needed for compilation under OS/2 and MSDOS */
75 #if defined(__EMX__) || defined(MSDOS)
82 #endif /* __EMX__ || MSDOS */
84 /* Reportedly, stat() macros are broken on some old systems. Those
85 systems will have to fend for themselves, as I will not introduce
86 new code to handle it.
88 However, I will add code for *missing* macros, and the following
89 are reportedly missing from many systems. */
91 # define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
94 # define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
97 # define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
100 /* These are needed so we can #define struct_stat to struct _stati64
103 # define struct_stat struct stat
106 # define struct_fstat struct stat
109 /* For CHAR_BIT, LONG_MAX, etc. */
116 /* From gnulib, simplified to assume a signed type. */
117 #define TYPE_MAXIMUM(t) ((t) (~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
119 /* These are defined in cmpt.c if missing, so we must declare
121 #ifndef HAVE_STRCASECMP
124 #ifndef HAVE_STRNCASECMP
127 #ifndef HAVE_STRPTIME
132 time_t timegm (struct tm *);
135 void *memrchr (const void *, int, size_t);
138 /* These are defined in snprintf.c. It would be nice to have an
139 snprintf.h, though. */
140 #ifndef HAVE_SNPRINTF
143 #ifndef HAVE_VSNPRINTF
147 /* Some systems (Linux libc5, "NCR MP-RAS 3.0", and others) don't
148 provide MAP_FAILED, a symbolic constant for the value returned by
149 mmap() when it doesn't work. Usually, this constant should be -1.
150 This only makes sense for files that use mmap() and include
151 sys/mman.h *before* sysdep.h, but doesn't hurt others. */
154 # define MAP_FAILED ((void *) -1)
157 /* Enable system fnmatch only on systems where fnmatch.h is usable.
158 If the fnmatch on your system is buggy, undef this symbol and a
159 replacement implementation will be used instead. */
160 #ifdef HAVE_WORKING_FNMATCH_H
161 # define SYSTEM_FNMATCH
164 #ifdef SYSTEM_FNMATCH
165 # include <fnmatch.h>
166 #else /* not SYSTEM_FNMATCH */
167 /* Define fnmatch flags. Undef them first to avoid warnings in case
168 an evil library include chose to include system fnmatch.h. */
174 # define FNM_PATHNAME (1 << 0) /* No wildcard can ever match `/'. */
175 # define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */
176 # define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */
177 # define FNM_NOMATCH 1
179 int fnmatch (const char *, const char *, int);
182 /* Provide sig_atomic_t if the system doesn't. */
183 #ifndef HAVE_SIG_ATOMIC_T
184 typedef int sig_atomic_t;
187 /* Provide uint32_t on the platforms that don't define it. Although
188 most code should be agnostic about integer sizes, some code really
189 does need a 32-bit integral type. Such code should use uint32_t.
190 (The exception is gnu-md5.[ch], which uses its own detection for
191 portability across platforms.) */
193 #ifndef HAVE_UINT32_T
195 typedef unsigned int uint32_t;
197 # if SIZEOF_LONG == 4
198 typedef unsigned long uint32_t;
200 # if SIZEOF_SHORT == 4
201 typedef unsigned short uint32_t;
203 #error "Cannot determine a 32-bit unsigned integer type"
209 /* If uintptr_t isn't defined, simply typedef it to unsigned long. */
210 #ifndef HAVE_UINTPTR_T
211 typedef unsigned long uintptr_t;
214 /* If intptr_t isn't defined, simply typedef it to long. */
215 #ifndef HAVE_INTPTR_T
216 typedef long intptr_t;
219 #endif /* SYSDEP_H */