From 6241eed3dbfb68ab8404552432042d29c4e75f94 Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.vnet.ibm.com>
Date: Thu, 19 Apr 2012 10:21:43 -0400
Subject: [PATCH] Implement virHashRemoveAll function

Implement function to remove all entries of a hash table.
---
 src/libvirt_private.syms |  1 +
 src/util/virhash.c       | 25 +++++++++++++++++++++++++
 src/util/virhash.h       |  5 +++++
 3 files changed, 31 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 8d29e75842..a590a319b5 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -578,6 +578,7 @@ virHashForEach;
 virHashFree;
 virHashGetItems;
 virHashLookup;
+virHashRemoveAll;
 virHashRemoveEntry;
 virHashRemoveSet;
 virHashSearch;
diff --git a/src/util/virhash.c b/src/util/virhash.c
index 50c6ac5835..5794d6f654 100644
--- a/src/util/virhash.c
+++ b/src/util/virhash.c
@@ -575,6 +575,31 @@ virHashRemoveSet(virHashTablePtr table,
     return count;
 }
 
+static int
+_virHashRemoveAllIter(const void *payload ATTRIBUTE_UNUSED,
+                      const void *name ATTRIBUTE_UNUSED,
+                      const void *data ATTRIBUTE_UNUSED)
+{
+    return 1;
+}
+
+/**
+ * virHashRemoveAll
+ * @table: the hash table to clear
+ *
+ * Free the hash @table's contents. The userdata is
+ * deallocated with the function provided at creation time.
+ *
+ * Returns the number of items removed on success, -1 on failure
+ */
+ssize_t
+virHashRemoveAll(virHashTablePtr table)
+{
+    return virHashRemoveSet(table,
+                            _virHashRemoveAllIter,
+                            NULL);
+}
+
 /**
  * virHashSearch:
  * @table: the hash table to search
diff --git a/src/util/virhash.h b/src/util/virhash.h
index 7acbcbdd62..2c04f811f2 100644
--- a/src/util/virhash.h
+++ b/src/util/virhash.h
@@ -126,6 +126,11 @@ int virHashUpdateEntry(virHashTablePtr table,
 int virHashRemoveEntry(virHashTablePtr table,
                        const void *name);
 
+/*
+ * Remove all entries from the hash table.
+ */
+ssize_t virHashRemoveAll(virHashTablePtr table);
+
 /*
  * Retrieve the userdata.
  */
-- 
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