util/hash_table: add helper to remove entry by key

And the corresponding test case.

Reviewed-by: Eric Anholt <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/util/hash_table.c b/src/util/hash_table.c
index f8d5d0f88aa..7ee9e18a1fc 100644
--- a/src/util/hash_table.c
+++ b/src/util/hash_table.c
@@ -421,6 +421,15 @@ _mesa_hash_table_remove(struct hash_table *ht,
 }
 
 /**
+ * Removes the entry with the corresponding key, if exists.
+ */
+void _mesa_hash_table_remove_key(struct hash_table *ht,
+                                 const void *key)
+{
+   _mesa_hash_table_remove(ht, _mesa_hash_table_search(ht, key));
+}
+
+/**
  * This function is an iterator over the hash table.
  *
  * Pass in NULL for the first entry, as in the start of a for loop.  Note that