new stdio

[unix-history] / usr / src / lib / libc / stdio / tmpfile.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* %sccs.include.redist.c%
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)tmpfile.c   5.1 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/param.h>
#include <stdio.h>
#include <errno.h>

FILE *
tmpfile()
{
       FILE *fp;
       int e;
       char *f, buf[MAXPATHLEN];

       if ((f = tmpnam(buf)) == NULL)
               return (NULL);
       fp = fopen(f, "w+");
       e = errno;
       (void) unlink(f);
       errno = e;
       return (fp);
}