1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/wind/combining.c b/third_party/heimdal/lib/wind/combining.c
new file mode 100644
index 0000000..764acc3
--- /dev/null
+++ b/third_party/heimdal/lib/wind/combining.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2008 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "windlocl.h"
+
+#include <stdlib.h>
+
+#include "combining_table.h"
+
+static int
+translation_cmp(const void *key, const void *data)
+{
+    const struct translation *t1 = (const struct translation *)key;
+    const struct translation *t2 = (const struct translation *)data;
+
+    return t1->key - t2->key;
+}
+
+int
+_wind_combining_class(uint32_t code_point)
+{
+    struct translation ts = {code_point, 0};
+    void *s = bsearch(&ts, _wind_combining_table, _wind_combining_table_size,
+		      sizeof(_wind_combining_table[0]),
+		      translation_cmp);
+    if (s != NULL) {
+	const struct translation *t = (const struct translation *)s;
+	return t->combining_class;
+    } else {
+	return 0;
+    }
+}