示例#1
0
/**
 * mnt_table_parse_fstab:
 * @tb: table
 * @filename: overwrites default (/etc/fstab or $LIBMOUNT_FSTAB) or NULL
 *
 * This function parses /etc/fstab and appends new lines to the @tab. If the
 * @filename is a directory then mnt_table_parse_dir() is called.
 *
 * See also mnt_table_set_parser_errcb().
 *
 * Returns: 0 on success or negative number in case of error.
 */
int mnt_table_parse_fstab(struct libmnt_table *tb, const char *filename)
{
	struct stat st;
	int rc = 0;

	assert(tb);

	if (!tb)
		return -EINVAL;
	if (!filename)
		filename = mnt_get_fstab_path();

	if (!filename || stat(filename, &st))
		return -EINVAL;

	tb->fmt = MNT_FMT_FSTAB;

	if (S_ISREG(st.st_mode))
		rc = mnt_table_parse_file(tb, filename);
	else if (S_ISDIR(st.st_mode))
		rc = mnt_table_parse_dir(tb, filename);
	else
		rc = -EINVAL;

	return rc;
}
示例#2
0
/**
 * mnt_table_parse_fstab:
 * @tb: table
 * @filename: overwrites default (/etc/fstab or $LIBMOUNT_FSTAB) or NULL
 *
 * This function parses /etc/fstab or /etc/fstab.d and appends new lines to the
 * @tab. If the system contains classic fstab file and also fstab.d directory
 * then the fstab file is parsed before the fstab.d directory.
 *
 * The fstab.d directory:
 *	- files are sorted by strverscmp(3)
 *	- files that starts with "." are ignored (e.g. ".10foo.fstab")
 *	- files without the ".fstab" extension are ignored
 *
 * See also mnt_table_set_parser_errcb().
 *
 * Returns: 0 on success or negative number in case of error.
 */
int mnt_table_parse_fstab(struct libmnt_table *tb, const char *filename)
{
	FILE *f;

	assert(tb);

	if (!tb)
		return -EINVAL;
	if (!filename)
		filename = mnt_get_fstab_path();

	tb->fmt = MNT_FMT_FSTAB;

	f = fopen(filename, "r");
	if (f) {
		int rc = mnt_table_parse_stream(tb, f, filename);
		fclose(f);

		if (rc)
			return rc;

		if (strcmp(filename, _PATH_MNTTAB))
			/* /etc/fstab.d sould be used together with /etc/fstab only */
			return 0;
	}

	if (!access(_PATH_MNTTAB_DIR, R_OK))
		return mnt_table_parse_dir(tb, _PATH_MNTTAB_DIR);
	return 0;
}