+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ obt/bsearch.h for the Openbox window manager
+ Copyright (c) 2010 Dana Jansens
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
+#ifndef __obt_bsearch_h
+#define __obt_bsearch_h
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+#define BSEARCH_SETUP(t) \
+ register t l_BSEARCH, r_BSEARCH, out_BSEARCH;
+
+#define BSEARCH(t, ar, start, size, val) \
+{ \
+ l_BSEARCH = (start); \
+ r_BSEARCH = (start)+(size)-1; \
+ while (l_BSEARCH <= r_BSEARCH) { \
+ /* m is in the middle, but to the left if there's an even number \
+ of elements */ \
+ out_BSEARCH = l_BSEARCH + (r_BSEARCH - l_BSEARCH)/2; \
+ if ((val) == (ar)[out_BSEARCH]) { \
+ break; \
+ } \
+ else if ((val) < (ar)[out_BSEARCH]) \
+ r_BSEARCH = out_BSEARCH-1; /* search to the left side */ \
+ else \
+ l_BSEARCH = out_BSEARCH+1; /* search to the left side */ \
+ } \
+}
+
+#define BSEARCH_FOUND() (l_BSEARCH <= r_BSEARCH)
+#define BSEARCH_AT() (out_BSEARCH)
+
+
+
+G_END_DECLS
+
+#endif