#ifndef __AC_KHASH_H
#define __AC_KHASH_H
+#include "cache.h"
+#include "hashmap.h"
+
#define AC_VERSION_KHASH_H "0.2.8"
typedef uint32_t khint32_t;
khval_t *vals; \
} kh_##name##_t;
-#define __KHASH_PROTOTYPES(name, khkey_t, khval_t) \
- extern kh_##name##_t *kh_init_##name(void); \
- extern void kh_destroy_##name(kh_##name##_t *h); \
- extern void kh_clear_##name(kh_##name##_t *h); \
- extern khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key); \
- extern int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \
- extern khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret); \
- extern void kh_del_##name(kh_##name##_t *h, khint_t x);
+#define __KHASH_PROTOTYPES(name, khkey_t, khval_t) \
+ kh_##name##_t *kh_init_##name(void); \
+ void kh_destroy_##name(kh_##name##_t *h); \
+ void kh_clear_##name(kh_##name##_t *h); \
+ khint_t kh_get_##name(const kh_##name##_t *h, khkey_t key); \
+ int kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \
+ khint_t kh_put_##name(kh_##name##_t *h, khkey_t key, int *ret); \
+ void kh_del_##name(kh_##name##_t *h, khint_t x);
#define __KHASH_IMPL(name, SCOPE, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
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); \
} \
} \
if (new_n_buckets < 4) new_n_buckets = 4; \
if (h->size >= (khint_t)(new_n_buckets * __ac_HASH_UPPER + 0.5)) j = 0; /* requested size is too small */ \
else { /* hash table size to be changed (shrink or expand); rehash */ \
- new_flags = (khint32_t*)xmalloc(__ac_fsize(new_n_buckets) * sizeof(khint32_t)); \
+ ALLOC_ARRAY(new_flags, __ac_fsize(new_n_buckets)); \
if (!new_flags) return -1; \
memset(new_flags, 0xaa, __ac_fsize(new_n_buckets) * sizeof(khint32_t)); \
if (h->n_buckets < new_n_buckets) { /* expand */ \
- khkey_t *new_keys = (khkey_t*)xrealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \
- if (!new_keys) return -1; \
- h->keys = new_keys; \
+ REALLOC_ARRAY(h->keys, new_n_buckets); \
if (kh_is_map) { \
- khval_t *new_vals = (khval_t*)xrealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \
- if (!new_vals) return -1; \
- h->vals = new_vals; \
+ REALLOC_ARRAY(h->vals, new_n_buckets); \
} \
} /* otherwise shrink */ \
} \
} \
} \
if (h->n_buckets > new_n_buckets) { /* shrink the hash table */ \
- h->keys = (khkey_t*)xrealloc((void *)h->keys, new_n_buckets * sizeof(khkey_t)); \
- if (kh_is_map) h->vals = (khval_t*)xrealloc((void *)h->vals, new_n_buckets * sizeof(khval_t)); \
+ REALLOC_ARRAY(h->keys, new_n_buckets); \
+ if (kh_is_map) REALLOC_ARRAY(h->vals, new_n_buckets); \
} \
free(h->flags); /* free the working space */ \
h->flags = new_flags; \
__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... */
code; \
} }
-static inline khint_t __kh_oid_hash(const unsigned char *oid)
+static inline unsigned int oidhash_by_value(struct object_id oid)
+{
+ return oidhash(&oid);
+}
+
+static inline int oideq_by_value(struct object_id a, struct object_id b)
{
- khint_t hash;
- memcpy(&hash, oid, sizeof(hash));
- return hash;
+ return oideq(&a, &b);
}
-#define __kh_oid_cmp(a, b) (hashcmp(a, b) == 0)
+KHASH_INIT(oid_set, struct object_id, int, 0, oidhash_by_value, oideq_by_value)
-KHASH_INIT(sha1, const unsigned char *, void *, 1, __kh_oid_hash, __kh_oid_cmp)
-typedef kh_sha1_t khash_sha1;
+KHASH_INIT(oid_map, struct object_id, void *, 1, oidhash_by_value, oideq_by_value)
-KHASH_INIT(sha1_pos, const unsigned char *, int, 1, __kh_oid_hash, __kh_oid_cmp)
-typedef kh_sha1_pos_t khash_sha1_pos;
+KHASH_INIT(oid_pos, struct object_id, int, 1, oidhash_by_value, oideq_by_value)
#endif /* __AC_KHASH_H */
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