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Use O_EXCL when opening temp files.

This commit is contained in:
steve 2002-12-04 02:29:36 +00:00
parent 88da7804c4
commit aaa734690f
1 changed files with 33 additions and 2 deletions
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35
driver/main.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ident "$Id: main.c,v 1.47 2002/08/12 01:27:48 steve Exp $"
#ident "$Id: main.c,v 1.48 2002/12/04 02:29:36 steve Exp $"
# include "config.h"
@ -119,6 +119,34 @@ char tmp[MAXSIZE];
static char ivl_root[MAXSIZE];
#ifdef __MINGW32__
# include <fcntl.h>
static FILE*fopen_safe(const char*path)
{
FILE*file = 0;
int fd;
fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0700);
if (fd != -1)
file = fdopen(fd, "w");
return file;
}
#else
# include <fcntl.h>
static FILE*fopen_safe(const char*path)
{
FILE*file = 0;
int fd;
fd = open(path, O_WRONLY|O_CREAT|O_EXCL, 0700);
if (fd != -1)
file = fdopen(fd, "w");
return file;
}
#endif
static const char*my_tempfile(const char*str, FILE**fout)
{
FILE*file;
@ -148,7 +176,7 @@ static const char*my_tempfile(const char*str, FILE**fout)
while ((retry > 0) && (file == NULL)) {
unsigned code = rand();
sprintf(pathbuf, "%s%c%s%04x", tmpdir, sep, str, code);
file = fopen(pathbuf, "w");
file = fopen_safe(pathbuf);
retry -= 1;
}
@ -657,6 +685,9 @@ int main(int argc, char **argv)
/*
* $Log: main.c,v $
* Revision 1.48 2002/12/04 02:29:36 steve
* Use O_EXCL when opening temp files.
*
* Revision 1.47 2002/08/12 01:27:48 steve
* Escape the backslash in the windows file name.
*