1 /* Dirty system-dependent hacks.
2 Copyright (C) 1995, 1996, 1997, 1998 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 /* Allegedly needed for compilation under OS/2: */
58 /* Reportedly, stat() macros are broken on some old systems. Those
59 systems will have to fend for themselves, as I will not introduce
60 new code to handle it.
62 However, I will add code for *missing* macros, and the following
63 are missing from many systems. */
65 # define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
68 # define S_ISDIR(m) (((m) & (_S_IFMT)) == (_S_IFDIR))
71 # define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
74 /* Bletch! SPARC compiler doesn't define sparc (needed by
75 arpa/nameser.h) when in -Xc mode. Luckily, it always defines
83 /* mswindows.h defines these. */
85 # define READ(fd, buf, cnt) read ((fd), (buf), (cnt))
88 # define WRITE(fd, buf, cnt) write ((fd), (buf), (cnt))
91 # define REALCLOSE(x) close (x)
97 DEBUGP (("Closing fd %d\n", x)); \
100 /* Define a "very long" type useful for storing large non-negative
101 integers, e.g. the total number of bytes downloaded. This needs to
102 be an integral type at least 64 bits wide. On the machines where
103 `long' is 64-bit, we use long. Otherwise, we check whether `long
104 long' is available and if yes, use that. Otherwise, we give up and
106 #if (SIZEOF_LONG >= 8) || !defined(HAVE_LONG_LONG)
107 # define VERY_LONG_TYPE unsigned long
108 # define VERY_LONG_FORMAT "%lu"
109 #else /* long is smaller than 8 bytes, but long long is available. */
110 # define VERY_LONG_TYPE unsigned long long
111 # define VERY_LONG_FORMAT "%llu"
112 #endif /* use long long */
114 /* OK, now define a decent interface to ctype macros. The regular
115 ones misfire when you feed them chars > 127, as they understand
116 them as "negative", which results in out-of-bound access at
117 table-lookup, yielding random results. This is, of course, totally
118 bogus. One way to "solve" this is to use `unsigned char'
119 everywhere, but it is nearly impossible to do that cleanly, because
120 all of the library functions and system calls accept `char'.
122 Thus we define our wrapper macros which simply cast the argument to
123 unsigned char before passing it to the <ctype.h> macro. These
124 versions are used consistently across the code. */
125 #define ISASCII(x) isascii ((unsigned char)(x))
126 #define ISALPHA(x) isalpha ((unsigned char)(x))
127 #define ISALNUM(x) isalnum ((unsigned char)(x))
128 #define ISSPACE(x) isspace ((unsigned char)(x))
129 #define ISDIGIT(x) isdigit ((unsigned char)(x))
130 #define ISXDIGIT(x) isxdigit ((unsigned char)(x))
131 #define TOUPPER(x) toupper ((unsigned char)(x))
132 #define TOLOWER(x) tolower ((unsigned char)(x))
134 /* Defined in cmpt.c: */
135 #ifndef HAVE_STRERROR
138 #ifndef HAVE_STRCASECMP
141 #ifndef HAVE_STRNCASECMP
147 #ifndef HAVE_STRPTIME
151 /* SunOS brain damage -- for some reason, SunOS header files fail to
152 declare the functions below, which causes all kinds of problems
153 (compiling errors) with pointer arithmetic and similar.
155 This used to be only within `#ifdef STDC_HEADERS', but it got
156 tripped on other systems (AIX), thus causing havoc. Fortunately,
157 SunOS appears to be the only system braindamaged that badly, so I
158 added an extra `#ifdef sun' guard. */
168 #endif /* not __cplusplus */
170 #endif /* STDC_HEADERS */
172 #endif /* SYSDEP_H */