diff options
Diffstat (limited to 'include/hashtab.h')
| -rw-r--r-- | include/hashtab.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/hashtab.h b/include/hashtab.h index f17572a..e6e38e4 100644 --- a/include/hashtab.h +++ b/include/hashtab.h @@ -47,6 +47,10 @@ typedef unsigned int (*htab_hash) PARAMS ((const void *)); the table always comes first. */ typedef int (*htab_eq) PARAMS ((const void *, const void *)); +/* Cleanup function called whenever a live element is removed from + the hash table. */ +typedef void (*htab_del) PARAMS ((void *)); + /* Function called by htab_traverse for each live element. The first arg is the element, the second arg is the auxiliary pointer handed to htab_traverse. Return 1 to continue scan, 0 to stop. */ @@ -62,10 +66,13 @@ struct htab /* Pointer to hash function. */ htab_hash hash_f; - /* Pointer to comparison function. */ + /* Pointer to comparison function. */ htab_eq eq_f; - /* Table itself */ + /* Pointer to cleanup function. */ + htab_del del_f; + + /* Table itself. */ void **entries; /* Current size (in entries) of the hash table */ @@ -90,7 +97,8 @@ typedef struct htab *htab_t; /* The prototypes of the package functions. */ -extern htab_t htab_create PARAMS ((size_t, htab_hash, htab_eq)); +extern htab_t htab_create PARAMS ((size_t, htab_hash, + htab_eq, htab_del)); extern void htab_delete PARAMS ((htab_t)); extern void htab_empty PARAMS ((htab_t)); |