Function create_temp_file

util/cbfstool/flashrom.c:33–61

* Helper to create a temporary file. * * @param path_out An output pointer for the filename. Caller should free. * * @return 0 on success, -1 for file open error, or -2 for write error. */

 * @return 0 on success, -1 for file open error, or -2 for write error.
 */
static int create_temp_file(char **path_out)
{
	int fd;
	int rv;
	char *path;
	mode_t umask_save;

#if defined(__FreeBSD__)
#define P_tmpdir "/tmp"
#endif
	*path_out = NULL;
	path = strdup(P_tmpdir "/flashrom.XXXXXX");
	/* Set the umask before mkstemp for security considerations. */
	umask_save = umask(077);
	fd = mkstemp(path);
	umask(umask_save);
	if (fd < 0) {
		rv = -1;
		goto fail;
	}

	close(fd);
	*path_out = path;

	return 0;
fail:
	free(path);
	return rv;
}

static int run_flashrom(const char *const argv[])
{