khash: move oid hash table definition

diff --git a/khash.h b/khash.h
index 07b4cc2e6714598ef920dcf28b8f73ba34979677..a09163b3e3beef8fe90f85003aae974411f6998a 100644 (file)
--- a/khash.h
+++ b/khash.h
@@ -82,11 +82,16 @@ static const double __ac_HASH_UPPER = 0.77;
        SCOPE kh_##name##_t *kh_init_##name(void) {                                                     \
                return (kh_##name##_t*)xcalloc(1, sizeof(kh_##name##_t));               \
        }                                                                                                                                       \
+       SCOPE void kh_release_##name(kh_##name##_t *h)                                          \
+       {                                                                                                                                       \
+               free(h->flags);                                                                                                 \
+               free((void *)h->keys);                                                                                  \
+               free((void *)h->vals);                                                                                  \
+       }                                                                                                                                       \
        SCOPE void kh_destroy_##name(kh_##name##_t *h)                                          \
        {                                                                                                                                       \
                if (h) {                                                                                                                \
-                       free((void *)h->keys); free(h->flags);                                  \
-                       free((void *)h->vals);                                                                          \
+                       kh_release_##name(h);                                                                           \
                        free(h);                                                                                                        \
                }                                                                                                                               \
        }                                                                                                                                       \
@@ -229,7 +234,7 @@ static const double __ac_HASH_UPPER = 0.77;
        __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
 
 #define KHASH_INIT(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
-       KHASH_INIT2(name, static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
+       KHASH_INIT2(name, MAYBE_UNUSED static inline, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal)
 
 /* Other convenient macros... */
 
@@ -327,4 +332,22 @@ typedef kh_sha1_t khash_sha1;
 KHASH_INIT(sha1_pos, const unsigned char *, int, 1, sha1hash, __kh_oid_cmp)
 typedef kh_sha1_pos_t khash_sha1_pos;
 
+static inline unsigned int oid_hash(struct object_id oid)
+{
+       return sha1hash(oid.hash);
+}
+
+static inline int oid_equal(struct object_id a, struct object_id b)
+{
+       return oideq(&a, &b);
+}
+
+KHASH_INIT(oid, struct object_id, int, 0, oid_hash, oid_equal)
+
+KHASH_INIT(oid_map, struct object_id, void *, 1, oid_hash, oid_equal)
+typedef kh_oid_t khash_oid_map;
+
+KHASH_INIT(oid_pos, struct object_id, int, 1, oid_hash, oid_equal)
+typedef kh_oid_pos_t khash_oid_pos;
+
 #endif /* __AC_KHASH_H */