src/basic/ordered-set.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include "hashmap.h"
   5
   6 typedef struct OrderedSet OrderedSet;
   7
   8 static inline OrderedSet* ordered_set_new(const struct hash_ops *ops) {
   9         return (OrderedSet*) ordered_hashmap_new(ops);
  10 }
  11
  12 static inline int ordered_set_ensure_allocated(OrderedSet **s, const struct hash_ops *ops) {
  13         if (*s)
  14                 return 0;
  15
  16         *s = ordered_set_new(ops);
  17         if (!*s)
  18                 return -ENOMEM;
  19
  20         return 0;
  21 }
  22
  23 static inline OrderedSet* ordered_set_free(OrderedSet *s) {
  24         ordered_hashmap_free((OrderedHashmap*) s);
  25         return NULL;
  26 }
  27
  28 static inline OrderedSet* ordered_set_free_free(OrderedSet *s) {
  29         ordered_hashmap_free_free((OrderedHashmap*) s);
  30         return NULL;
  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 int ordered_set_consume(OrderedSet *s, void *p);
  54 int ordered_set_put_strdup(OrderedSet *s, const char *p);
  55 int ordered_set_put_strdupv(OrderedSet *s, char **l);
  56
  57 #define ORDERED_SET_FOREACH(e, s, i)                                    \
  58         for ((i) = ITERATOR_FIRST; ordered_set_iterate((s), &(i), (void**)&(e)); )
  59
  60 DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free);
  61 DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedSet*, ordered_set_free_free);
  62
  63 #define _cleanup_ordered_set_free_ _cleanup_(ordered_set_freep)
  64 #define _cleanup_ordered_set_free_free_ _cleanup_(ordered_set_free_freep)