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/* $OpenBSD: mktemp.c,v 1.2 2024/01/19 19:45:02 millert Exp $ */
/*
* Copyright (c) 2024 Todd C. Miller
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
static int
mktemp_cb(const char *path, int flags)
{
struct stat sb;
if (lstat(path, &sb) == 0)
errno = EEXIST;
return (errno == ENOENT ? 0 : -1);
}
/* Also called via tmpnam(3) and tempnam(3). */
char *
_mktemp(char *path)
{
if (__mktemp4(path, 0, 0, mktemp_cb) == 0)
return path;
return NULL;
}
__warn_references(mktemp,
"mktemp() possibly used unsafely; consider using mkstemp()");
char *
mktemp(char *path)
{
return _mktemp(path);
}
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