tempnam.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
#include <stdio.h>
#include <errno.h>
#if defined(V9) || defined(BSD4_2)
char *tempnam(dir, pfx)
char *dir, *pfx;
{
int pid;
unsigned int len;
char *tnm, *malloc();
static int seq = 0;
pid = getpid();
len = strlen(dir) + strlen(pfx) + 10;
if ((tnm = malloc(len)) != NULL) {
sprintf(tnm, "%s", dir);
if (access(tnm, 7) == -1)
return(NULL);
do {
sprintf(tnm, "%s/%s%d%d", dir, pfx, pid, seq++);
errno = 0;
if (access(tnm, 7) == -1)
if (errno == ENOENT)
return(tnm);
} while (1);
}
return(tnm);
}
#endif