/* Dirty system-dependent hacks.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
-This file is part of Wget.
+This file is part of GNU Wget.
-This program is free software; you can redistribute it and/or modify
+GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
-This program is distributed in the hope that it will be useful,
+GNU Wget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with Wget; if not, write to the Free Software
+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. */
#include <mswindows.h>
#endif /* WINDOWS */
-/* Allegedly needed for compilation under OS/2: */
-#ifdef EMXOS2
+/* Watcom-specific stuff. In practice this is probably specific to
+ Windows, although Watcom exists under other OS's too. For that
+ reason, we keep this here. */
+
+#ifdef __WATCOMC__
+/* Watcom has its own alloca() defined in malloc.h malloc.h needs to
+ be included in the sources to prevent 'undefined external' errors
+ at the link phase. */
+# include <malloc.h>
+/* io.h defines unlink() and chmod(). We put this here because it's
+ way too obscure to require all the .c files to observe. */
+# include <io.h>
+#endif /* __WATCOMC__ */
+
+/* Needed for compilation under OS/2: */
+#ifdef __EMX__
#ifndef S_ISLNK
# define S_ISLNK(m) 0
#endif
#ifndef lstat
# define lstat stat
#endif
-#endif /* EMXOS2 */
+#endif /* __EMX__ */
/* Reportedly, stat() macros are broken on some old systems. Those
systems will have to fend for themselves, as I will not introduce
#endif
#endif
+#ifdef __BEOS__
+# undef READ
+# undef WRITE
+# define READ(fd, buf, cnt) recv((fd), (buf), (cnt), 0)
+# define WRITE(fd, buf, cnt) send((fd), (buf), (cnt), 0)
+#endif
+
/* mswindows.h defines these. */
#ifndef READ
# define READ(fd, buf, cnt) read ((fd), (buf), (cnt))
DEBUGP (("Closing fd %d\n", x)); \
} while (0)
-/* OK, now define a decent interface to ctype macros. The regular
- ones misfire when you feed them chars >= 127, as they understand
- them as "negative", which results in out-of-bound access at
- table-lookup, yielding random results. This is, of course, totally
- bogus. One way to "solve" this is to use `unsigned char'
- everywhere, but it is nearly impossible to do that cleanly, because
- all of the library functions and system calls accept `char'.
-
- Thus we define our wrapper macros which simply cast the argument to
- unsigned char before passing it to the <ctype.h> macro. These
- versions are used consistently across the code. */
-#define ISASCII(x) isascii ((unsigned char)(x))
-#define ISALPHA(x) isalpha ((unsigned char)(x))
-#define ISSPACE(x) isspace ((unsigned char)(x))
-#define ISDIGIT(x) isdigit ((unsigned char)(x))
-#define ISXDIGIT(x) isxdigit ((unsigned char)(x))
-
-/* Defined in cmpt.c: */
+/* 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'.
+
+ 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.
+
+ Note: you cannot use VERY_LONG_TYPE along with printf(). When you
+ need to print it, use very_long_to_string(). */
+
+#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 */
+
+/* These are defined in cmpt.c if missing, therefore it's generally
+ safe to declare their parameters. */
#ifndef HAVE_STRERROR
char *strerror ();
#endif
#ifndef HAVE_STRPTIME
char *strptime ();
#endif
+#ifndef HAVE_VSNPRINTF
+int vsnprintf ();
+#endif
+#ifndef HAVE_USLEEP
+int usleep PARAMS ((unsigned long));
+#endif
+#ifndef HAVE_MEMMOVE
+void *memmove ();
+#endif
/* SunOS brain damage -- for some reason, SunOS header files fail to
declare the functions below, which causes all kinds of problems
#endif /* sun */
#endif /* STDC_HEADERS */
+/* 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
+
#endif /* SYSDEP_H */