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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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) 2013 OmniTI Computer Consulting, Inc. All rights reserved. */
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T
* All Rights Reserved
*
* Portions of this source code were derived from Berkeley
* 4.3 BSD under license from the regents of the University of
* California.
*/
#include <sys/feature_tests.h>
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#define mkstemp mkstemp64
#define mkstemps mkstemps64
#define mkostemp mkostemp64
#define mkostemps mkostemps64
#define libc_mkstemps libc_mkstemps64 /* prefer unique statics */
#pragma weak _mkstemp64 = mkstemp64
#else
#pragma weak _mkstemp = mkstemp
#endif
#include "lint.h"
#include <sys/fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <alloca.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
extern char *libc_mktemps(char *, int);
static int
libc_mkstemps(char *as, int slen, int flags)
{
int fd;
int len;
char *tstr, *str, *mkret;
if (as == NULL || *as == '\0')
return (-1);
len = (int)strlen(as);
tstr = alloca(len + 1);
(void) strcpy(tstr, as);
if (slen < 0 || slen >= len)
return (-1);
str = tstr + (len - 1 - slen);
/*
* The following for() loop is doing work. mktemp() will generate
* a different name each time through the loop. So if the first
* name is used then keep trying until you find a free filename.
*/
for (;;) {
if (*str == 'X') { /* If no trailing X's don't call mktemp. */
mkret = libc_mktemps(as, slen);
if (*mkret == '\0') {
return (-1);
}
}
#if _FILE_OFFSET_BITS == 64
if ((fd = open64(as, O_CREAT|O_EXCL|O_RDWR|flags,
0600)) != -1) {
return (fd);
}
#else
if ((fd = open(as, O_CREAT|O_EXCL|O_RDWR|flags,
0600)) != -1) {
return (fd);
}
#endif /* _FILE_OFFSET_BITS == 64 */
/*
* If the error condition is other than EEXIST or if the
* file exists and there are no X's in the string
* return -1.
*/
if ((errno != EEXIST) || (*str != 'X')) {
return (-1);
}
(void) strcpy(as, tstr);
}
}
int
mkstemp(char *as)
{
return (libc_mkstemps(as, 0, 0));
}
int
mkstemps(char *as, int slen)
{
return (libc_mkstemps(as, slen, 0));
}
int
mkostemp(char *as, int flags)
{
return (libc_mkstemps(as, 0, flags));
}
int
mkostemps(char *as, int slen, int flags)
{
return (libc_mkstemps(as, slen, flags));
}
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