blob: a390d4272cef638384973268ba149b99fbcf01ed [file] [log] [blame]
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
#include "libc.h"
char *__mktemp(char *);
int mkstemp(char *template)
{
int fd, retries = 100, t0 = *template;
while (retries--) {
if (!*__mktemp(template)) return -1;
if ((fd = open(template, O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
return fd;
if (errno != EEXIST) return -1;
/* this is safe because mktemp verified
* that we have a valid template string */
template[0] = t0;
strcpy(template+strlen(template)-6, "XXXXXX");
}
return -1;
}
LFS64(mkstemp);