You should have received a copy of the GNU General Public License
along with Wget; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+In addition, as a special exception, the Free Software Foundation
+gives permission to link the code of its release of Wget with the
+OpenSSL project's "OpenSSL" library (or with modified versions of it
+that use the same license as the "OpenSSL" library), and distribute
+the linked executables. You must obey the GNU General Public License
+in all respects for all of the code used other than "OpenSSL". If you
+modify this file, you may extend this exception to your version of the
+file, but you are not obligated to do so. If you do not wish to do
+so, delete this exception statement from your version. */
/* This file is included by wget.h. Random .c files need not include
it. */
#ifndef SYSDEP_H
#define SYSDEP_H
-/* We need these to be playing with various stuff. */
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else /* not TIME_WITH_SYS_TIME_H */
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#else /* not HAVE_SYS_TIME_H */
-# include <time.h>
-#endif /* HAVE_SYS_TIME_H */
-#endif /* TIME_WITH_SYS_TIME_H */
-
+/* Must include these, so we can test for the missing stat macros and
+ define them as necessary. */
#include <sys/types.h>
#include <sys/stat.h>
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
#ifdef WINDOWS
/* Windows doesn't have some functions. Include mswindows.h so we get
their declarations, as well as some additional declarations and
# include <io.h>
#endif /* __WATCOMC__ */
+/* Provide support for C99-type boolean type "bool". This blurb comes
+ straight from the Autoconf 2.59 manual. */
+#if HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# if ! HAVE__BOOL
+# ifdef __cplusplus
+typedef bool _Bool;
+# else
+typedef unsigned char _Bool;
+# endif
+# endif
+# define bool _Bool
+# define false 0
+# define true 1
+# define __bool_true_false_are_defined 1
+#endif
+
/* Needed for compilation under OS/2: */
#ifdef __EMX__
-#ifndef S_ISLNK
-# define S_ISLNK(m) 0
-#endif
-#ifndef lstat
-# define lstat stat
-#endif
+# ifndef S_ISLNK
+# define S_ISLNK(m) 0
+# endif
+# ifndef lstat
+# define lstat stat
+# endif
#endif /* __EMX__ */
/* Reportedly, stat() macros are broken on some old systems. Those
new code to handle it.
However, I will add code for *missing* macros, and the following
- are missing from many systems. */
+ are reportedly missing from many systems. */
#ifndef S_ISLNK
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
# define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
#endif
-/* Bletch! SPARC compiler doesn't define sparc (needed by
- arpa/nameser.h) when in -Xc mode. Luckily, it always defines
- __sparc. */
-#ifdef __sparc
-#ifndef sparc
-#define sparc
-#endif
-#endif
-
-/* mswindows.h defines these. */
-#ifndef READ
-# define READ(fd, buf, cnt) read ((fd), (buf), (cnt))
-#endif
-#ifndef WRITE
-# define WRITE(fd, buf, cnt) write ((fd), (buf), (cnt))
-#endif
-#ifndef REALCLOSE
-# define REALCLOSE(x) close (x)
-#endif
+/* Define a large integral type useful for storing large sizes that
+ exceed sizes of one download, such as when printing the sum of all
+ downloads. Note that this has nothing to do with large file
+ support, which determines the wgint type. This should be as large
+ as possible even on systems where when wgint is 32-bit; also,
+ unlike wgint, this can be a floating point type.
-#define CLOSE(x) \
-do { \
- REALCLOSE (x); \
- DEBUGP (("Closing fd %d\n", x)); \
-} while (0)
+ We use a 64-bit integral type where available, `double' otherwise.
+ It's hard to print LARGE_INT's portably, but fortunately it's
+ rarely needed. */
-/* Define a large ("very long") type useful for storing large
- non-negative quantities that exceed sizes of normal download, such
- as the *total* number of bytes downloaded. To fit today's needs,
- this needs to be an integral type at least 64 bits wide. On the
- machines where `long' is 64-bit, we use long. Otherwise, we check
- whether `long long' is available and if yes, use that. If long
- long is unavailable, we give up and just use `long'.
+#if SIZEOF_LONG >= 8
+/* Long is large enough: use it. */
+typedef long LARGE_INT;
+# define LARGE_INT_FMT "%ld"
+#elif SIZEOF_LONG_LONG >= 8
+/* Long long is large enough: use it. */
+typedef long long LARGE_INT;
+# define LARGE_INT_FMT "%lld"
+#elif _MSC_VER
+/* Use __int64 under Windows. */
+typedef __int64 LARGE_INT;
+# define LARGE_INT_FMT "%I64"
+#else
+/* Large integer type unavailable; fake it with `double'. */
+typedef double LARGE_INT;
+# define LARGE_INT_FMT "%.0f"
+#endif
- This check could be smarter and moved to configure, which could
- check for a bunch of non-standard types such as uint64_t. But I
- don't see the need for it -- the current test will work on all
- modern architectures, and if it fails, nothing bad happens, we just
- end up with long.
+/* Under Windows we #define struct_stat to struct _stati64. */
+#ifndef struct_stat
+# define struct_stat struct stat
+#endif
- Note: you cannot use VERY_LONG_TYPE along with printf(). When you
- need to print it, use very_long_to_string(). */
+/* For CHAR_BIT, LONG_MAX, etc. */
+#include <limits.h>
-#if (SIZEOF_LONG >= 8) || !defined(HAVE_LONG_LONG)
-/* either long is "big enough", or long long is unavailable which
- leaves long as the only choice. */
-# define VERY_LONG_TYPE unsigned long
-#else /* use long long */
-/* long is smaller than 8 bytes, but long long is available. */
-# define VERY_LONG_TYPE unsigned long long
-#endif /* use long long */
+#ifndef CHAR_BIT
+# define CHAR_BIT 8
+#endif
-/* Defined in cmpt.c: */
-#ifndef HAVE_STRERROR
-char *strerror ();
+/* Used by wget.h to define SIZEOF_WGINT. */
+#ifndef LONG_MAX
+# define LONG_MAX ((long) ~((unsigned long)1 << (CHAR_BIT * sizeof (long) - 1)))
+#endif
+#ifndef LLONG_MAX
+# define LLONG_MAX ((long long) ~((unsigned long long)1 << (CHAR_BIT * sizeof (long long) - 1)))
#endif
+
+/* These are defined in cmpt.c if missing, so we must declare
+ them. */
#ifndef HAVE_STRCASECMP
int strcasecmp ();
#endif
#ifndef HAVE_STRNCASECMP
int strncasecmp ();
#endif
-#ifndef HAVE_STRSTR
-char *strstr ();
-#endif
#ifndef HAVE_STRPTIME
char *strptime ();
#endif
+
+/* These are defined in snprintf.c. It would be nice to have an
+ snprintf.h, though. */
+#ifndef HAVE_SNPRINTF
+int snprintf ();
+#endif
#ifndef HAVE_VSNPRINTF
int vsnprintf ();
#endif
-/* SunOS brain damage -- for some reason, SunOS header files fail to
- declare the functions below, which causes all kinds of problems
- (compiling errors) with pointer arithmetic and similar.
-
- This used to be only within `#ifdef STDC_HEADERS', but it got
- tripped on other systems (AIX), thus causing havoc. Fortunately,
- SunOS appears to be the only system braindamaged that badly, so I
- added an extra `#ifdef sun' guard. */
-#ifndef STDC_HEADERS
-#ifdef sun
-#ifndef __cplusplus
-char *strstr ();
-char *strchr ();
-char *strrchr ();
-char *strtok ();
-char *strdup ();
-void *memcpy ();
-#endif /* not __cplusplus */
-#endif /* sun */
-#endif /* STDC_HEADERS */
-
-/* Some systems don't provide MAP_FAILED, a symbolic constant for the
- value returned by mmap() when it doesn't work. Usually, this
- constant should be -1. This only makes sense for files that use
- mmap() and include sys/mman.h *before* sysdep.h, but doesn't hurt
- others. */
+/* Some systems (Linux libc5, "NCR MP-RAS 3.0", and others) don't
+ provide MAP_FAILED, a symbolic constant for the value returned by
+ mmap() when it doesn't work. Usually, this constant should be -1.
+ This only makes sense for files that use mmap() and include
+ sys/mman.h *before* sysdep.h, but doesn't hurt others. */
#ifndef MAP_FAILED
# define MAP_FAILED ((void *) -1)
#endif
+/* Enable system fnmatch only on systems where fnmatch.h is usable and
+ which are known to have a non-broken fnmatch implementation.
+ Currently those include glibc-based systems and Solaris. One could
+ add more, but fnmatch is not that large, so it might be better to
+ play it safe. */
+#ifdef HAVE_WORKING_FNMATCH_H
+# if defined __GLIBC__ && __GLIBC__ >= 2
+# define SYSTEM_FNMATCH
+# endif
+# ifdef solaris
+# define SYSTEM_FNMATCH
+# endif
+#endif /* HAVE_WORKING_FNMATCH_H */
+
+#ifdef SYSTEM_FNMATCH
+# include <fnmatch.h>
+#else /* not SYSTEM_FNMATCH */
+/* Define fnmatch flags. Undef them first to avoid warnings in case
+ an evil library include chose to include system fnmatch.h. */
+# undef FNM_PATHNAME
+# undef FNM_NOESCAPE
+# undef FNM_PERIOD
+# undef FNM_NOMATCH
+
+# define FNM_PATHNAME (1 << 0) /* No wildcard can ever match `/'. */
+# define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */
+# define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */
+# define FNM_NOMATCH 1
+
+/* Declare the function minimally. */
+int fnmatch ();
+#endif
+
+/* Provide sig_atomic_t if the system doesn't. */
+#ifndef HAVE_SIG_ATOMIC_T
+typedef int sig_atomic_t;
+#endif
+
+/* Provide uint32_t on the platforms that don't define it. Although
+ most code should be agnostic about integer sizes, some code really
+ does need a 32-bit integral type. Such code should use uint32_t.
+ (The exception is gnu-md5.[ch], which uses its own detection for
+ portability across platforms.) */
+
+#ifndef HAVE_UINT32_T
+# if SIZEOF_INT == 4
+typedef unsigned int uint32_t;
+# else
+# if SIZEOF_LONG == 4
+typedef unsigned long uint32_t;
+# else
+# if SIZEOF_SHORT == 4
+typedef unsigned short uint32_t;
+# else
+ #error "Cannot determine a 32-bit unsigned integer type"
+# endif
+# endif
+# endif
+#endif
+
#endif /* SYSDEP_H */