The R13B03 release.OTP_R13B03

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;
+}