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-rw-r--r--src/shared/hashmap.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/shared/hashmap.h b/src/shared/hashmap.h
index f89e7e8fbc..7385ebc5fa 100644
--- a/src/shared/hashmap.h
+++ b/src/shared/hashmap.h
@@ -43,38 +43,50 @@ typedef _IteratorStruct* Iterator;
typedef unsigned long (*hash_func_t)(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]);
typedef int (*compare_func_t)(const void *a, const void *b);
+struct hash_ops {
+ hash_func_t hash;
+ compare_func_t compare;
+};
+
unsigned long string_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) _pure_;
int string_compare_func(const void *a, const void *b) _pure_;
+extern const struct hash_ops string_hash_ops;
/* This will compare the passed pointers directly, and will not
* dereference them. This is hence not useful for strings or
* suchlike. */
unsigned long trivial_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) _pure_;
int trivial_compare_func(const void *a, const void *b) _const_;
+extern const struct hash_ops trivial_hash_ops;
/* 32bit values we can always just embedd in the pointer itself, but
* in order to support 32bit archs we need store 64bit values
* indirectly, since they don't fit in a pointer. */
unsigned long uint64_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) _pure_;
int uint64_compare_func(const void *a, const void *b) _pure_;
+extern const struct hash_ops uint64_hash_ops;
/* On some archs dev_t is 32bit, and on others 64bit. And sometimes
* it's 64bit on 32bit archs, and sometimes 32bit on 64bit archs. Yuck! */
#if SIZEOF_DEV_T != 8
unsigned long devt_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) _pure_;
int devt_compare_func(const void *a, const void *b) _pure_;
+extern const struct hash_ops devt_hash_ops = {
+ .hash = devt_hash_func,
+ .compare = devt_compare_func
+};
#else
-/* No need to define a second version of this... */
#define devt_hash_func uint64_hash_func
#define devt_compare_func uint64_compare_func
+#define devt_hash_ops uint64_hash_ops
#endif
-Hashmap *hashmap_new(hash_func_t hash_func, compare_func_t compare_func);
+Hashmap *hashmap_new(const struct hash_ops *hash_ops);
void hashmap_free(Hashmap *h);
void hashmap_free_free(Hashmap *h);
void hashmap_free_free_free(Hashmap *h);
Hashmap *hashmap_copy(Hashmap *h);
-int hashmap_ensure_allocated(Hashmap **h, hash_func_t hash_func, compare_func_t compare_func);
+int hashmap_ensure_allocated(Hashmap **h, const struct hash_ops *hash_ops);
int hashmap_put(Hashmap *h, const void *key, void *value);
int hashmap_update(Hashmap *h, const void *key, void *value);