/**
* 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;
}
/**
* 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;
}