diff options
Diffstat (limited to 'lib/erl_interface/src/registry/hash_freetab.c')
-rw-r--r-- | lib/erl_interface/src/registry/hash_freetab.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/erl_interface/src/registry/hash_freetab.c b/lib/erl_interface/src/registry/hash_freetab.c new file mode 100644 index 0000000000..cd428e55cf --- /dev/null +++ b/lib/erl_interface/src/registry/hash_freetab.c @@ -0,0 +1,58 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 1998-2009. All Rights Reserved. + * + * The contents of this file are subject to the Erlang Public License, + * Version 1.1, (the "License"); you may not use this file except in + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + * + + */ +#include <stdlib.h> +#include "hash.h" + +/* remove all the key-values from a table. The + * values are removed with + * the user-provided function f. + */ +int ei_hash_freetab(ei_hash *tab, void (*f)(void *)) +{ + ei_bucket *b, *next; + int i; + + for (i=0; i<tab->size; i++) { + b=tab->tab[i]; + while (b) { + next = b->next; + + if (f) f((void *)b->value); + + /* no point in saving these buckets on freelist */ + free(b); + b = next; + } + } + + /* remove the freelist */ + b = tab->freelist; + while (b) { + next = b->next; + free(b); + b = next; + } + + /* remove the table */ + free(tab); + + return 0; +} |