1 files changed, 87 insertions, 0 deletions
diff --git a/droute/droute-pairhash.c b/droute/droute-pairhash.c
new file mode 100644
index 0000000..c2f2c29
--- /dev/null
+++ b/droute/droute-pairhash.c
@@ -0,0 +1,87 @@
+/*
+ * AT-SPI - Assistive Technology Service Provider Interface
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
+ *
+ * Copyright 2008 Codethink Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "droute-pairhash.h"
+
+/*---------------------------------------------------------------------------*/
+
+static guint
+str_hash (guint32 h, const char *p)
+{
+  for (p += 1; *p != '\0'; p++)
+      h = (h << 5) - h + *p;
+
+  return h;
+}
+
+/*---------------------------------------------------------------------------*/
+
+StrPair *
+str_pair_new (const gchar *one, const gchar *two)
+{
+    StrPair *pair;
+
+    pair = g_new (StrPair, 1);
+    pair->one = one;
+    pair->two = two;
+    return pair;
+}
+
+guint
+str_pair_hash (gconstpointer key)
+{
+    StrPair *pair = (StrPair *) key;
+    guint hash = 0;
+
+    /*g_return_val_if_fail (pair      != NULL, 0);
+      g_return_val_if_fail (pair->one != NULL, 0);
+      g_return_val_if_fail (pair->two != NULL, 0);
+    */
+
+    if (*(pair->two) != '\0')
+      {
+        hash = *(pair->two);
+        hash = str_hash (hash, pair->two);
+        hash = str_hash (hash, pair->one);
+      }
+
+    return hash;
+}
+
+gboolean
+str_pair_equal (gconstpointer a, gconstpointer b)
+{
+    StrPair *ap = (StrPair *) a;
+    StrPair *bp = (StrPair *) b;
+
+    if (g_str_equal (ap->one, bp->one) &&
+        g_str_equal (ap->two, bp->two))
+      {
+        return TRUE;
+      }
+    else
+      {
+        return FALSE;
+      }
+}
+
+/*END------------------------------------------------------------------------*/