[hash] Return lookup entry.

Use the return value to return the result from _cairo_hash_table_lookup()
(as opposed to filling an output parameter on the stack) as this (a)
results in cleaner code (no strict-alias breaking pointer casts), (b)
produces a smaller binary and (c) is measurably faster.

1 files changed, 4 insertions, 5 deletions

diff --git a/src/cairo-font-face.c b/src/cairo-font-face.c
index 6cea3958..f9a838ae 100644
--- a/src/cairo-font-face.c
+++ b/src/cairo-font-face.c
@@ -499,11 +499,10 @@ cairo_toy_font_face_create (const char          *family,
     _cairo_toy_font_face_init_key (&key, family, slant, weight);
 
     /* Return existing font_face if it exists in the hash table. */
-    if (_cairo_hash_table_lookup (hash_table,
-				  &key.base.hash_entry,
-				  (cairo_hash_entry_t **) &font_face))
-    {
-	if (! font_face->base.status)  {
+    font_face = _cairo_hash_table_lookup (hash_table,
+					  &key.base.hash_entry);
+    if (font_face != NULL) {
+	if (font_face->base.status == CAIRO_STATUS_SUCCESS) {
 	    /* We increment the reference count here manually to avoid
 	       double-locking. */
 	    _cairo_reference_count_inc (&font_face->base.ref_count);