From 0044d3ba94f9041492ea90cf8961fd8b55daefda Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 27 Jul 2009 12:17:06 -0700
Subject: Add destructor for hash_table

---
 src/mesa/shader/hash_table.c | 15 ++++++++++++---
 src/mesa/shader/hash_table.h |  9 +++++++++
 2 files changed, 21 insertions(+), 3 deletions(-)

(limited to 'src/mesa/shader')

diff --git a/src/mesa/shader/hash_table.c b/src/mesa/shader/hash_table.c
index 9b8f251bcc..3ff603b368 100644
--- a/src/mesa/shader/hash_table.c
+++ b/src/mesa/shader/hash_table.c
@@ -68,7 +68,8 @@ hash_table_ctor(unsigned num_buckets, hash_func_t hash,
         num_buckets = 16;
     }
 
-    ht = malloc(sizeof(*ht) + ((num_buckets - 1) * sizeof(ht->buckets[0])));
+    ht = _mesa_malloc(sizeof(*ht) + ((num_buckets - 1) 
+				     * sizeof(ht->buckets[0])));
     if (ht != NULL) {
         ht->hash = hash;
         ht->compare = compare;
@@ -83,6 +84,14 @@ hash_table_ctor(unsigned num_buckets, hash_func_t hash,
 }
 
 
+void
+hash_table_dtor(struct hash_table *ht)
+{
+   hash_table_clear(ht);
+   _mesa_free(ht);
+}
+
+
 void
 hash_table_clear(struct hash_table *ht)
 {
@@ -94,7 +103,7 @@ hash_table_clear(struct hash_table *ht)
    for (i = 0; i < ht->num_buckets; i++) {
       foreach_s(node, temp, & ht->buckets[i]) {
 	 remove_from_list(node);
-	 free(node);
+	 _mesa_free(node);
       }
 
       assert(is_empty_list(& ht->buckets[i]));
@@ -128,7 +137,7 @@ hash_table_insert(struct hash_table *ht, void *data, const void *key)
     const unsigned bucket = hash_value % ht->num_buckets;
     struct hash_node *node;
 
-    node = calloc(1, sizeof(*node));
+    node = _mesa_calloc(1, sizeof(*node));
 
     node->data = data;
     node->key = key;
diff --git a/src/mesa/shader/hash_table.h b/src/mesa/shader/hash_table.h
index 83ae7f07c7..7b302f5dbe 100644
--- a/src/mesa/shader/hash_table.h
+++ b/src/mesa/shader/hash_table.h
@@ -53,6 +53,15 @@ extern struct hash_table *hash_table_ctor(unsigned num_buckets,
     hash_func_t hash, hash_compare_func_t compare);
 
 
+/**
+ * Release all memory associated with a hash table
+ *
+ * \warning
+ * This function cannot release memory occupied either by keys or data.
+ */
+extern void hash_table_dtor(struct hash_table *ht);
+
+
 /**
  * Flush all entries from a hash table
  *
-- 
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