Import libutf from http://git.suckless.org/libutf

libutf/runetype.c

@@ -0,0 +1,48 @@
+/* MIT/X Consortium Copyright (c) 2012 Connor Lane Smith <cls@lubutu.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <stdlib.h>
+#include "../utf.h"
+
+#define nelem(x)  (sizeof (x) / sizeof *(x))
+
+static int rune1cmp(const void *, const void *);
+static int rune2cmp(const void *, const void *);
+
+#include "../runetypebody.h"
+
+int
+rune1cmp(const void *v1, const void *v2)
+{
+	Rune r1 = *(Rune *)v1, r2 = *(Rune *)v2;
+
+	return r1 - r2;
+}
+
+int
+rune2cmp(const void *v1, const void *v2)
+{
+	Rune r = *(Rune *)v1, *p = (Rune *)v2;
+
+	if(r >= p[0] && r <= p[1])
+		return 0;
+	else
+		return r - p[0];
+}