diff options
Diffstat (limited to 'libctf/ctf-hash.c')
| -rw-r--r-- | libctf/ctf-hash.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/libctf/ctf-hash.c b/libctf/ctf-hash.c index 3512d22..c6233eb 100644 --- a/libctf/ctf-hash.c +++ b/libctf/ctf-hash.c @@ -82,6 +82,28 @@ ctf_hash_eq_string (const void *a, const void *b) return !strcmp((const char *) hep_a->key, (const char *) hep_b->key); } +/* Hash a type_mapping_key. */ +unsigned int +ctf_hash_type_mapping_key (const void *ptr) +{ + ctf_helem_t *hep = (ctf_helem_t *) ptr; + ctf_link_type_mapping_key_t *k = (ctf_link_type_mapping_key_t *) hep->key; + + return htab_hash_pointer (k->cltm_fp) + 59 * htab_hash_pointer ((void *) k->cltm_idx); +} + +int +ctf_hash_eq_type_mapping_key (const void *a, const void *b) +{ + ctf_helem_t *hep_a = (ctf_helem_t *) a; + ctf_helem_t *hep_b = (ctf_helem_t *) b; + ctf_link_type_mapping_key_t *key_a = (ctf_link_type_mapping_key_t *) hep_a->key; + ctf_link_type_mapping_key_t *key_b = (ctf_link_type_mapping_key_t *) hep_b->key; + + return (key_a->cltm_fp == key_b->cltm_fp) + && (key_a->cltm_idx == key_b->cltm_idx); +} + /* The dynhash, used for hashes whose size is not known at creation time. */ /* Free a single ctf_helem. */ @@ -164,7 +186,7 @@ ctf_dynhash_insert (ctf_dynhash_t *hp, void *key, void *value) return errno; /* We need to keep the key_free and value_free around in each item because the - del function has no visiblity into the hash as a whole, only into the + del function has no visibility into the hash as a whole, only into the individual items. */ slot->key_free = hp->key_free; @@ -180,6 +202,12 @@ ctf_dynhash_remove (ctf_dynhash_t *hp, const void *key) htab_remove_elt (hp->htab, &hep); } +void +ctf_dynhash_empty (ctf_dynhash_t *hp) +{ + htab_empty (hp->htab); +} + void * ctf_dynhash_lookup (ctf_dynhash_t *hp, const void *key) { |