1 /* Dirty system-dependent hacks.
2 Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or (at
9 your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 In addition, as a special exception, the Free Software Foundation
21 gives permission to link the code of its release of Wget with the
22 OpenSSL project's "OpenSSL" library (or with modified versions of it
23 that use the same license as the "OpenSSL" library), and distribute
24 the linked executables. You must obey the GNU General Public License
25 in all respects for all of the code used other than "OpenSSL". If you
26 modify this file, you may extend this exception to your version of the
27 file, but you are not obligated to do so. If you do not wish to do
28 so, delete this exception statement from your version. */
30 /* This file is included by wget.h. Random .c files need not include
36 /* Must include these, so we can test for the missing stat macros and
37 define them as necessary. */
38 #include <sys/types.h>
41 #ifdef HAVE_INTTYPES_H
42 # include <inttypes.h>
46 /* Windows doesn't have some functions. Include mswindows.h so we get
47 their declarations, as well as some additional declarations and
48 macros. This must come first, so it can set things up. */
49 #include <mswindows.h>
52 /* Watcom-specific stuff. In practice this is probably specific to
53 Windows, although Watcom exists under other OS's too. For that
54 reason, we keep this here. */
57 /* Watcom has its own alloca() defined in malloc.h malloc.h needs to
58 be included in the sources to prevent 'undefined external' errors
61 /* io.h defines unlink() and chmod(). We put this here because it's
62 way too obscure to require all the .c files to observe. */
64 #endif /* __WATCOMC__ */
66 /* Needed for compilation under OS/2: */
76 /* Reportedly, stat() macros are broken on some old systems. Those
77 systems will have to fend for themselves, as I will not introduce
78 new code to handle it.
80 However, I will add code for *missing* macros, and the following
81 are reportedly missing from many systems. */
83 # define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
86 # define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
89 # define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
92 /* Define a large integral type useful for storing large sizes that
93 exceed sizes of one download, such as when printing the sum of all
94 downloads. Note that this has nothing to do with large file
95 support, which determines the wgint type. This should be as large
96 as possible even on systems where when wgint is 32-bit; also,
97 unlike wgint, this can be a floating point type.
99 We use a 64-bit integral type where available, `double' otherwise.
100 It's hard to print LARGE_INT's portably, but fortunately it's
104 /* Long is large enough: use it. */
105 typedef long LARGE_INT;
106 # define LARGE_INT_FMT "%ld"
108 # if SIZEOF_LONG_LONG >= 8
109 /* Long long is large enough: use it. */
110 typedef long long LARGE_INT;
111 # define LARGE_INT_FMT "%lld"
114 /* Use __int64 under Windows. */
115 typedef __int64 LARGE_INT;
116 # define LARGE_INT_FMT "%I64"
118 /* Large integer type unavailable; use `double' instead. */
119 typedef double LARGE_INT;
120 # define LARGE_INT_FMT "%.0f"
125 /* Under Windows we #define struct_stat to struct _stati64. */
127 # define struct_stat struct stat
130 /* For CHAR_BIT, LONG_MAX, etc. */
137 /* Used by wget.h to define SIZEOF_WGINT. */
139 # define LONG_MAX ((long) ~((unsigned long)1 << (CHAR_BIT * sizeof (long) - 1)))
142 # define LLONG_MAX ((long long) ~((unsigned long long)1 << (CHAR_BIT * sizeof (long long) - 1)))
145 /* These are defined in cmpt.c if missing, so we must declare
147 #ifndef HAVE_STRCASECMP
150 #ifndef HAVE_STRNCASECMP
153 #ifndef HAVE_STRPTIME
157 /* These are defined in snprintf.c. It would be nice to have an
158 snprintf.h, though. */
159 #ifndef HAVE_SNPRINTF
162 #ifndef HAVE_VSNPRINTF
166 /* Some systems (Linux libc5, "NCR MP-RAS 3.0", and others) don't
167 provide MAP_FAILED, a symbolic constant for the value returned by
168 mmap() when it doesn't work. Usually, this constant should be -1.
169 This only makes sense for files that use mmap() and include
170 sys/mman.h *before* sysdep.h, but doesn't hurt others. */
173 # define MAP_FAILED ((void *) -1)
176 /* Enable system fnmatch only on systems where fnmatch.h is usable and
177 which are known to have a non-broken fnmatch implementation.
178 Currently those include glibc-based systems and Solaris. One could
179 add more, but fnmatch is not that large, so it might be better to
181 #ifdef HAVE_WORKING_FNMATCH_H
182 # if defined __GLIBC__ && __GLIBC__ >= 2
183 # define SYSTEM_FNMATCH
186 # define SYSTEM_FNMATCH
188 #endif /* HAVE_WORKING_FNMATCH_H */
190 #ifdef SYSTEM_FNMATCH
191 # include <fnmatch.h>
192 #else /* not SYSTEM_FNMATCH */
193 /* Define fnmatch flags. Undef them first to avoid warnings in case
194 an evil library include chose to include system fnmatch.h. */
200 # define FNM_PATHNAME (1 << 0) /* No wildcard can ever match `/'. */
201 # define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */
202 # define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */
203 # define FNM_NOMATCH 1
205 /* Declare the function minimally. */
209 /* Provide sig_atomic_t if the system doesn't. */
210 #ifndef HAVE_SIG_ATOMIC_T
211 typedef int sig_atomic_t;
214 /* Provide uint32_t on the platforms that don't define it. Although
215 most code should be agnostic about integer sizes, some code really
216 does need a 32-bit integral type. Such code should use uint32_t.
217 (The exception is gnu-md5.[ch], which uses its own detection for
218 portability across platforms.) */
220 #ifndef HAVE_UINT32_T
222 typedef unsigned int uint32_t;
224 # if SIZEOF_LONG == 4
225 typedef unsigned long uint32_t;
227 # if SIZEOF_SHORT == 4
228 typedef unsigned short uint32_t;
230 #error "Cannot determine a 32-bit unsigned integer type"
236 #endif /* SYSDEP_H */