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-rw-r--r--src/basic/hashmap.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/basic/hashmap.h b/src/basic/hashmap.h
index 0eb763944..b67491039 100644
--- a/src/basic/hashmap.h
+++ b/src/basic/hashmap.h
@@ -53,6 +53,8 @@ typedef struct Hashmap Hashmap; /* Maps keys to values */
typedef struct OrderedHashmap OrderedHashmap; /* Like Hashmap, but also remembers entry insertion order */
typedef struct Set Set; /* Stores just keys */
+typedef struct IteratedCache IteratedCache; /* Caches the iterated order of one of the above */
+
/* Ideally the Iterator would be an opaque struct, but it is instantiated
* by hashmap users, so the definition has to be here. Do not use its fields
* directly. */
@@ -126,6 +128,9 @@ static inline OrderedHashmap *ordered_hashmap_free_free_free(OrderedHashmap *h)
return (void*)hashmap_free_free_free(PLAIN_HASHMAP(h));
}
+IteratedCache *iterated_cache_free(IteratedCache *cache);
+int iterated_cache_get(IteratedCache *cache, const void ***res_keys, const void ***res_values, unsigned *res_n_entries);
+
HashmapBase *internal_hashmap_copy(HashmapBase *h);
static inline Hashmap *hashmap_copy(Hashmap *h) {
return (Hashmap*) internal_hashmap_copy(HASHMAP_BASE(h));
@@ -139,6 +144,14 @@ int internal_ordered_hashmap_ensure_allocated(OrderedHashmap **h, const struct h
#define hashmap_ensure_allocated(h, ops) internal_hashmap_ensure_allocated(h, ops HASHMAP_DEBUG_SRC_ARGS)
#define ordered_hashmap_ensure_allocated(h, ops) internal_ordered_hashmap_ensure_allocated(h, ops HASHMAP_DEBUG_SRC_ARGS)
+IteratedCache *internal_hashmap_iterated_cache_new(HashmapBase *h);
+static inline IteratedCache *hashmap_iterated_cache_new(Hashmap *h) {
+ return (IteratedCache*) internal_hashmap_iterated_cache_new(HASHMAP_BASE(h));
+}
+static inline IteratedCache *ordered_hashmap_iterated_cache_new(OrderedHashmap *h) {
+ return (IteratedCache*) internal_hashmap_iterated_cache_new(HASHMAP_BASE(h));
+}
+
int hashmap_put(Hashmap *h, const void *key, void *value);
static inline int ordered_hashmap_put(OrderedHashmap *h, const void *key, void *value) {
return hashmap_put(PLAIN_HASHMAP(h), key, value);
@@ -394,3 +407,7 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(OrderedHashmap*, ordered_hashmap_free_free_free);
#define _cleanup_ordered_hashmap_free_ _cleanup_(ordered_hashmap_freep)
#define _cleanup_ordered_hashmap_free_free_ _cleanup_(ordered_hashmap_free_freep)
#define _cleanup_ordered_hashmap_free_free_free_ _cleanup_(ordered_hashmap_free_free_freep)
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(IteratedCache*, iterated_cache_free);
+
+#define _cleanup_iterated_cache_free_ _cleanup_(iterated_cache_freep)