/* tempname.c - generate the name of a temporary file.
Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2005, 2006, 2007 Free Software Foundation,
+ Inc.
- This program is free software; you can redistribute it and/or modify
+ This program 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, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Extracted from glibc sysdeps/posix/tempname.c. See also tmpdir.c. */
#include <string.h>
#include <fcntl.h>
-
-#if HAVE_SYS_TIME_H || _LIBC
-# include <sys/time.h>
-#endif
-
+#include <sys/time.h>
#include <stdint.h>
#include <unistd.h>
__GT_DIR: create a directory, which will be mode 0700.
We use a clever algorithm to get hard-to-predict names. */
-#if _LIBC || !HAVE___GEN_TEMPNAME
int
__gen_tempname (char *tmpl, int kind)
{
#ifdef RANDOM_BITS
RANDOM_BITS (random_time_bits);
#else
-# if HAVE_GETTIMEOFDAY || _LIBC
{
struct timeval tv;
__gettimeofday (&tv, NULL);
random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
}
-# else
- random_time_bits = time (NULL);
-# endif
#endif
value += random_time_bits ^ __getpid ();
__set_errno (EEXIST);
return -1;
}
-
-#else /* !_LIBC && HAVE___GEN_TEMPNAME */
-
-# undef __gen_tempname
-extern int __gen_tempname (char *, int);
-int
-gen_tempname (char *tmpl, int kind)
-{
- return __gen_tempname (tmpl, kind);
-}
-
-#endif /* !_LIBC && HAVE___GEN_TEMPNAME */