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+eina_hash_free_buckets to free buckets without freeing a hash 

SVN revision: 50315
This commit is contained in:
Mike Blumenkrantz 2010-07-18 04:24:24 +00:00
parent af32bf04f0
commit d3982d4b5c
2 changed files with 32 additions and 4 deletions
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1
legacy/eina/src/include/eina_hash.h
View File

@ -79,6 +79,7 @@ EAPI Eina_Bool eina_hash_del(Eina_Hash *hash, const void *key, const void *dat
EAPI void * eina_hash_find(const Eina_Hash *hash, const void *key) EINA_ARG_NONNULL(1, 2);
EAPI void * eina_hash_modify(Eina_Hash *hash, const void *key, const void *data) EINA_ARG_NONNULL(1, 2, 3);
EAPI void eina_hash_free(Eina_Hash *hash) EINA_ARG_NONNULL(1);
EAPI void eina_hash_free_buckets(Eina_Hash *hash) EINA_ARG_NONNULL(1);
EAPI int eina_hash_population(const Eina_Hash *hash) EINA_ARG_NONNULL(1);
EAPI Eina_Bool eina_hash_add_by_hash(Eina_Hash *hash,

35
legacy/eina/src/lib/eina_hash.c
View File

@ -802,15 +802,16 @@ eina_hash_population(const Eina_Hash *hash)
}
/**
* Calls @ref Eina_Free_Cb if one was specified at time of creation, then frees an entire hash table
* Calls @ref Eina_Free_Cb (if one was specified at time of creation) on all hash table
* buckets, then frees the hash table
* @param hash The hash table to be freed
*
* This function frees up all the memory allocated to storing the specified
* hash tale pointed to by @p hash. If no data_free_cb has been passed to the
* hash table pointed to by @p hash. If no data_free_cb has been passed to the
* hash at creation time, any entries in the table that the program
* has no more pointers for elsewhere may now be lost, so this should only be
* called if the program has lready freed any allocated data in the hash table
* or has the pointers for data in teh table stored elswehere as well.
* called if the program has already freed any allocated data in the hash table
* or has the pointers for data in the table stored elsewhere as well.
*
* Example:
* @code
@ -837,6 +838,32 @@ eina_hash_free(Eina_Hash *hash)
free(hash);
}
/**
* Calls @ref Eina_Free_Cb (if one was specified at time of creation) on all hash table buckets
* @param hash The hash table to free buckets on
*
* Frees all memory allocated for hash table buckets. Note that the bucket value is not freed
* unless an @ref Eina_Free_Cb was specified at creation time.
* @see Noooo they be stealin' my bucket!
*/
EAPI void
eina_hash_free_buckets(Eina_Hash *hash)
{
int i;
EINA_MAGIC_CHECK_HASH(hash);
EINA_SAFETY_ON_NULL_RETURN(hash);
if (hash->buckets)
{
for (i = 0; i < hash->size; i++)
eina_rbtree_delete(hash->buckets[i], EINA_RBTREE_FREE_CB(_eina_hash_head_free), hash);
free(hash->buckets);
hash->buckets = NULL;
hash->population = 0;
}
}
/**
* Adds an entry to the given hash table.
*