can-utils/isobusfs/isobusfs_cmn_dh.c

47 lines
938 B
C

// SPDX-License-Identifier: LGPL-2.0-only
// SPDX-FileCopyrightText: 2023 Oleksij Rempel <linux@rempel-privat.de>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "isobusfs_cmn.h"
#include <stdbool.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
int isobusfs_cmn_dh_validate_dir_path(const char *path, bool writable)
{
struct stat path_stat;
int mode = R_OK;
int ret;
mode |= writable ? W_OK : 0;
ret = access(path, mode);
if (ret == -1) {
ret = -errno;
pr_err("failed to access path %s, for read %s. %s", path,
writable ? "and write" : "", strerror(ret));
return ret;
}
ret = stat(path, &path_stat);
if (ret == -1) {
ret = -errno;
pr_err("failed to get stat information on path %s. %s", path,
strerror(ret));
return ret;
}
if (!S_ISDIR(path_stat.st_mode)) {
pr_err("path %s is not a directory", path);
return -ENOTDIR;
}
return 0;
}