added g_direct_hash and g_direct_compare functions, since I happen to use them in a *lot* of places

2 files changed, 16 insertions, 1 deletions

diff --git a/glib/glib.h b/glib/glib.h
index 735874f5f7..4a8423d0ad 100644
--- a/glib/glib.h
+++ b/glib/glib.h
@@ -782,7 +782,11 @@ GArray* g_rarray_truncate (GArray   *array,
 gint  g_str_equal (const gpointer v,
 		   const gpointer v2);
 guint g_str_hash  (const gpointer v);
-
+/* These two "hash" functions actually just return the value and/or
+   comparison of the pointers themselves - useful for hashing
+   on an int value or something like that */
+gint  g_direct_compare(gpointer a, gpointer b);
+guint g_direct_hash(gpointer key);
 
 
 /* GScanner: Flexible lexical scanner for general purpose.
diff --git a/glib/gutils.c b/glib/gutils.c
index b15c4acf52..9f38714243 100644
--- a/glib/gutils.c
+++ b/glib/gutils.c
@@ -909,3 +909,14 @@ g_parse_debug_string  (const gchar *string,
   return result;
 }
 
+guint
+g_direct_hash(gpointer key)
+{
+	return (guint)key;
+}
+
+gint
+g_direct_compare(gpointer a, gpointer b)
+{
+	return (gint)b - (gint)a;
+}