1 /* Dirty system-dependent hacks.
2 Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
4 This file is part of Wget.
6 This program 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
9 (at your option) any later version.
11 This program 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 this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* This file is included by wget.h. Random .c files need not include
26 /* We need these to be playing with various stuff. */
27 #ifdef TIME_WITH_SYS_TIME
28 # include <sys/time.h>
30 #else /* not TIME_WITH_SYS_TIME_H */
31 #ifdef HAVE_SYS_TIME_H
32 # include <sys/time.h>
33 #else /* not HAVE_SYS_TIME_H */
35 #endif /* HAVE_SYS_TIME_H */
36 #endif /* TIME_WITH_SYS_TIME_H */
38 #include <sys/types.h>
42 /* Windows doesn't have some functions. Include mswindows.h so we get
43 their declarations, as well as some additional declarations and
44 macros. This must come first, so it can set things up. */
45 #include <mswindows.h>
48 /* Watcom-specific stuff. In practice this is probably specific to
49 Windows, although Watcom exists under other OS's too. For that
50 reason, we keep this here. */
53 /* Watcom has its own alloca() defined in malloc.h malloc.h needs to
54 be included in the sources to prevent 'undefined external' errors
57 /* io.h defines unlink() and chmod(). We put this here because it's
58 way too obscure to require all the .c files to observe. */
60 #endif /* __WATCOMC__ */
62 /* Needed for compilation under OS/2: */
72 /* Reportedly, stat() macros are broken on some old systems. Those
73 systems will have to fend for themselves, as I will not introduce
74 new code to handle it.
76 However, I will add code for *missing* macros, and the following
77 are missing from many systems. */
79 # define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
82 # define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
85 # define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
88 /* Bletch! SPARC compiler doesn't define sparc (needed by
89 arpa/nameser.h) when in -Xc mode. Luckily, it always defines
97 /* mswindows.h defines these. */
99 # define READ(fd, buf, cnt) read ((fd), (buf), (cnt))
102 # define WRITE(fd, buf, cnt) write ((fd), (buf), (cnt))
105 # define REALCLOSE(x) close (x)
111 DEBUGP (("Closing fd %d\n", x)); \
114 /* Define a "very long" type useful for storing large non-negative
115 integers, e.g. the total number of bytes downloaded. This needs to
116 be an integral type at least 64 bits wide. On the machines where
117 `long' is 64-bit, we use long. Otherwise, we check whether `long
118 long' is available and if yes, use that. Otherwise, we give up and
120 #if (SIZEOF_LONG >= 8) || !defined(HAVE_LONG_LONG)
121 # define VERY_LONG_TYPE unsigned long
122 # define VERY_LONG_FORMAT "%lu"
123 #else /* long is smaller than 8 bytes, but long long is available. */
124 # define VERY_LONG_TYPE unsigned long long
125 # define VERY_LONG_FORMAT "%llu"
126 #endif /* use long long */
128 /* OK, now define a decent interface to ctype macros. The regular
129 ones misfire when you feed them chars > 127, as they understand
130 them as "negative", which results in out-of-bound access at
131 table-lookup, yielding random results. This is, of course, totally
132 bogus. One way to "solve" this is to use `unsigned char'
133 everywhere, but it is nearly impossible to do that cleanly, because
134 all of the library functions and system calls accept `char'.
136 Thus we define our wrapper macros which simply cast the argument to
137 unsigned char before passing it to the <ctype.h> macro. These
138 versions are used consistently across the code. */
139 #define ISASCII(x) isascii ((unsigned char)(x))
140 #define ISALPHA(x) isalpha ((unsigned char)(x))
141 #define ISALNUM(x) isalnum ((unsigned char)(x))
142 #define ISSPACE(x) isspace ((unsigned char)(x))
143 #define ISDIGIT(x) isdigit ((unsigned char)(x))
144 #define ISXDIGIT(x) isxdigit ((unsigned char)(x))
145 #define TOUPPER(x) toupper ((unsigned char)(x))
146 #define TOLOWER(x) tolower ((unsigned char)(x))
148 /* Defined in cmpt.c: */
149 #ifndef HAVE_STRERROR
152 #ifndef HAVE_STRCASECMP
155 #ifndef HAVE_STRNCASECMP
161 #ifndef HAVE_STRPTIME
164 #ifndef HAVE_VSNPRINTF
168 /* SunOS brain damage -- for some reason, SunOS header files fail to
169 declare the functions below, which causes all kinds of problems
170 (compiling errors) with pointer arithmetic and similar.
172 This used to be only within `#ifdef STDC_HEADERS', but it got
173 tripped on other systems (AIX), thus causing havoc. Fortunately,
174 SunOS appears to be the only system braindamaged that badly, so I
175 added an extra `#ifdef sun' guard. */
185 #endif /* not __cplusplus */
187 #endif /* STDC_HEADERS */
189 #endif /* SYSDEP_H */