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/* $OpenBSD: mkstemp.c,v 1.1 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 <fcntl.h>
#include <stdlib.h>
#define MKOSTEMP_FLAGS (O_APPEND | O_CLOEXEC | O_DSYNC | O_RSYNC | O_SYNC)
static int
mkstemp_cb(const char *path, int flags)
{
flags |= O_CREAT | O_EXCL | O_RDWR;
return open(path, flags, S_IRUSR|S_IWUSR);
}
int
mkostemps(char *path, int slen, int flags)
{
if (flags & ~MKOSTEMP_FLAGS) {
errno = EINVAL;
return -1;
}
return __mktemp4(path, slen, flags, mkstemp_cb);
}
int
mkostemp(char *path, int flags)
{
if (flags & ~MKOSTEMP_FLAGS) {
errno = EINVAL;
return -1;
}
return __mktemp4(path, 0, flags, mkstemp_cb);
}
DEF_WEAK(mkostemp);
int
mkstemp(char *path)
{
return __mktemp4(path, 0, 0, mkstemp_cb);
}
DEF_WEAK(mkstemp);
int
mkstemps(char *path, int slen)
{
return __mktemp4(path, slen, 0, mkstemp_cb);
}
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