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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/erl_interface/src/registry/hash_freetab.c
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The R13B03 release.OTP_R13B03
Diffstat (limited to 'lib/erl_interface/src/registry/hash_freetab.c')
-rw-r--r--lib/erl_interface/src/registry/hash_freetab.c58
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
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+/*
+ * %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;
+}