src/basic/ordered-set.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <stdio.h>
   5
   6 #include "hashmap.h"
   7
   8 typedef struct OrderedSet OrderedSet;
   9
  10 static inline OrderedSet* ordered_set_new(const struct hash_ops *ops) {
  11         return (OrderedSet*) ordered_hashmap_new(ops);
  12 }
  13
  14 static inline int ordered_set_ensure_allocated(OrderedSet **s, const struct hash_ops *ops) {
  15         if (*s)
  16                 return 0;
  17
  18         *s = ordered_set_new(ops);
  19         if (!*s)
  20                 return -ENOMEM;
  21
  22         return 0;
  23 }
  24
  25 static inline OrderedSet* ordered_set_free(OrderedSet *s) {
  26         return (OrderedSet*) ordered_hashmap_free((OrderedHashmap*) s);
  27 }
  28
  29 static inline OrderedSet* ordered_set_free_free(OrderedSet *s) {
  30         return (OrderedSet*) ordered_hashmap_free_free((OrderedHashmap*) s);
  31 }
  32
  33 static inline int ordered_set_put(OrderedSet *s, void *p) {
  34         return ordered_hashmap_put((OrderedHashmap*) s, p, p);
  35 }
  36
  37 static inline bool ordered_set_isempty(OrderedSet *s) {
  38         return ordered_hashmap_isempty((OrderedHashmap*) s);
  39 }
  40
  41 static inline bool ordered_set_iterate(OrderedSet *s, Iterator *i, void **value) {
  42         return ordered_hashmap_iterate((OrderedHashmap*) s, i, value, NULL);
  43 }
  44
  45 static inline void* ordered_set_remove(OrderedSet *s, void *p) {
  46         return ordered_hashmap_remove((OrderedHashmap*) s, p);
  47 }
  48
  49 static inline void* ordered_set_steal_first(OrderedSet *s) {
  50         return ordered_hashmap_steal_first((OrderedHashmap*) s);
  51 }
  52
  53 static inline char **ordered_set_get_strv(OrderedSet *s) {
  54         return internal_hashmap_get_strv(HASHMAP_BASE((OrderedHashmap*) s));
  55 }
  56
  57 int ordered_set_consume(OrderedSet *s, void *p);
  58 int ordered_set_put_strdup(OrderedSet *s, const char *p);
  59 int ordered_set_put_strdupv(OrderedSet *s, char **l);
  60 int ordered_set_put_string_set(OrderedSet *s, OrderedSet *l);
  61 void ordered_set_print(FILE *f, const char *field, OrderedSet *s);
  62
  63 #define ORDERED_SET_FOREACH(e, s, i)                                    \
  64         for ((i) = ITERATOR_FIRST; ordered_set_iterate((s), &(i), (void**)&(e)); )
  65
  66 DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free);
  67 DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free_free);
  68
  69 #define _cleanup_ordered_set_free_ _cleanup_(ordered_set_freep)
  70 #define _cleanup_ordered_set_free_free_ _cleanup_(ordered_set_free_freep)