This file is part of GNU Bash, the Bourne Again SHell.
- Bash 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.
+ Bash 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 3 of the License, or
+ (at your option) any later version.
- Bash 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.
+ Bash 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 Bash; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
#include <config.h>
#include <bashtypes.h>
#include <posixstat.h>
+#include <posixtime.h>
#include <filecntl.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
+#include <bashansi.h>
+
#include <stdio.h>
#include <errno.h>
extern int errno;
#endif
-#define BASEOPENFLAGS (O_CREAT | O_TRUNC | O_EXCL)
+#define BASEOPENFLAGS (O_CREAT | O_TRUNC | O_EXCL | O_BINARY)
#define DEFAULT_TMPDIR "." /* bogus default, should be changed */
#define DEFAULT_NAMEROOT "shtmp"
-extern int dollar_dollar_pid;
+extern pid_t dollar_dollar_pid;
+
+static char *get_sys_tmpdir __P((void));
+static char *get_tmpdir __P((int));
static char *sys_tmpdir = (char *)NULL;
static int ntmpfiles;
static char *
get_sys_tmpdir ()
{
- struct stat sb;
-
if (sys_tmpdir)
return sys_tmpdir;
+#ifdef P_tmpdir
+ sys_tmpdir = P_tmpdir;
+ if (file_iswdir (sys_tmpdir))
+ return sys_tmpdir;
+#endif
+
sys_tmpdir = "/tmp";
- if (stat (sys_tmpdir, &sb) == 0)
+ if (file_iswdir (sys_tmpdir))
return sys_tmpdir;
sys_tmpdir = "/var/tmp";
- if (stat (sys_tmpdir, &sb) == 0)
+ if (file_iswdir (sys_tmpdir))
return sys_tmpdir;
sys_tmpdir = "/usr/tmp";
- if (stat (sys_tmpdir, &sb) == 0)
+ if (file_iswdir (sys_tmpdir))
return sys_tmpdir;
-#ifdef P_tmpdir
- sys_tmpdir = P_tmpdir;
-#else
sys_tmpdir = DEFAULT_TMPDIR;
-#endif
return sys_tmpdir;
}
char *tdir;
tdir = (flags & MT_USETMPDIR) ? get_string_value ("TMPDIR") : (char *)NULL;
+ if (tdir && (file_iswdir (tdir) == 0 || strlen (tdir) > PATH_MAX))
+ tdir = 0;
+
if (tdir == 0)
tdir = get_sys_tmpdir ();
char *nameroot;
int flags;
{
- char *filename, *tdir;
+ char *filename, *tdir, *lroot;
struct stat sb;
int r, tdlen;
- filename = xmalloc (PATH_MAX + 1);
+ filename = (char *)xmalloc (PATH_MAX + 1);
tdir = get_tmpdir (flags);
tdlen = strlen (tdir);
- if (nameroot == 0)
- nameroot = DEFAULT_NAMEROOT;
+ lroot = nameroot ? nameroot : DEFAULT_NAMEROOT;
+#ifdef USE_MKTEMP
+ sprintf (filename, "%s/%s.XXXXXX", tdir, lroot);
+ if (mktemp (filename) == 0)
+ {
+ free (filename);
+ filename = NULL;
+ }
+#else /* !USE_MKTEMP */
while (1)
{
- filenum *= (int)time ((time_t *)0) * dollar_dollar_pid *
- ((flags & MT_USERANDOM) ? get_random_number () : ntmpfiles++);
- sprintf (filename, "%s/%s-%lu", tdir, nameroot, filenum);
+ filenum = (filenum << 1) ^
+ (unsigned long) time ((time_t *)0) ^
+ (unsigned long) dollar_dollar_pid ^
+ (unsigned long) ((flags & MT_USERANDOM) ? random () : ntmpfiles++);
+ sprintf (filename, "%s/%s-%lu", tdir, lroot, filenum);
if (tmpnamelen > 0 && tmpnamelen < 32)
filename[tdlen + 1 + tmpnamelen] = '\0';
-#ifdef HAVE_LSTAT
+# ifdef HAVE_LSTAT
r = lstat (filename, &sb);
-#else
+# else
r = stat (filename, &sb);
-#endif
+# endif
if (r < 0 && errno == ENOENT)
break;
}
+#endif /* !USE_MKTEMP */
return filename;
}
int flags;
char **namep;
{
- char *filename, *tdir;
+ char *filename, *tdir, *lroot;
int fd, tdlen;
- filename = xmalloc (PATH_MAX + 1);
+ filename = (char *)xmalloc (PATH_MAX + 1);
tdir = get_tmpdir (flags);
tdlen = strlen (tdir);
- if (nameroot == 0)
- nameroot = DEFAULT_NAMEROOT;
+ lroot = nameroot ? nameroot : DEFAULT_NAMEROOT;
+#ifdef USE_MKSTEMP
+ sprintf (filename, "%s/%s.XXXXXX", tdir, lroot);
+ fd = mkstemp (filename);
+ if (fd < 0 || namep == 0)
+ {
+ free (filename);
+ filename = NULL;
+ }
+ if (namep)
+ *namep = filename;
+ return fd;
+#else /* !USE_MKSTEMP */
do
{
- filenum *= (int)time ((time_t *)0) * dollar_dollar_pid *
- ((flags & MT_USERANDOM) ? get_random_number () : ntmpfiles++);
- sprintf (filename, "%s/%s-%lu", tdir, nameroot, filenum);
+ filenum = (filenum << 1) ^
+ (unsigned long) time ((time_t *)0) ^
+ (unsigned long) dollar_dollar_pid ^
+ (unsigned long) ((flags & MT_USERANDOM) ? random () : ntmpfiles++);
+ sprintf (filename, "%s/%s-%lu", tdir, lroot, filenum);
if (tmpnamelen > 0 && tmpnamelen < 32)
filename[tdlen + 1 + tmpnamelen] = '\0';
fd = open (filename, BASEOPENFLAGS | ((flags & MT_READWRITE) ? O_RDWR : O_WRONLY), 0600);
free (filename);
return fd;
+#endif /* !USE_MKSTEMP */
}
FILE *
char **namep;
{
int fd;
+ FILE *fp;
fd = sh_mktmpfd (nameroot, flags, namep);
- return ((fd >= 0) ? (fdopen (fd, (flags & MT_READWRITE) ? "w+" : "w")) : (FILE *)NULL);
+ if (fd < 0)
+ return ((FILE *)NULL);
+ fp = fdopen (fd, (flags & MT_READWRITE) ? "w+" : "w");
+ if (fp == 0)
+ close (fd);
+ return fp;
}
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