Add include files to get prototype declarations, and fix bugs found.

[unix-history] / usr / src / lib / libc / stdio / tmpnam.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[] = "@(#)tmpnam.c    5.3 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <unistd.h>
#include <stdio.h>

char *
tmpnam(s)
       char *s;
{
       static char buf[L_tmpnam];

       if (s == NULL)
               s = buf;
       (void)snprintf(s, L_tmpnam, "%s/tmp.XXXXXX", P_tmpdir);
       return(mktemp(s));
}