src/shared/fstab-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright 2015 Zbigniew Jędrzejewski-Szmek
   8 ***/
   9
  10 #include <stdbool.h>
  11 #include <stddef.h>
  12
  13 #include "macro.h"
  14
  15 int fstab_is_mount_point(const char *mount);
  16 int fstab_has_fstype(const char *fstype);
  17
  18 int fstab_filter_options(const char *opts, const char *names, const char **namefound, char **value, char **filtered);
  19
  20 int fstab_extract_values(const char *opts, const char *name, char ***values);
  21
  22 static inline bool fstab_test_option(const char *opts, const char *names) {
  23         return !!fstab_filter_options(opts, names, NULL, NULL, NULL);
  24 }
  25
  26 int fstab_find_pri(const char *options, int *ret);
  27
  28 static inline bool fstab_test_yes_no_option(const char *opts, const char *yes_no) {
  29         int r;
  30         const char *opt;
  31
  32         /* If first name given is last, return 1.
  33          * If second name given is last or neither is found, return 0. */
  34
  35         r = fstab_filter_options(opts, yes_no, &opt, NULL, NULL);
  36         assert(r >= 0);
  37
  38         return opt == yes_no;
  39 }
  40
  41 char *fstab_node_to_udev_node(const char *p);