1 files changed, 30 insertions, 0 deletions
diff --git a/lib/unistr/u-startswith.h b/lib/unistr/u-startswith.h
new file mode 100644
index 00000000..0486ef88
--- /dev/null
+++ b/lib/unistr/u-startswith.h
@@ -0,0 +1,30 @@
+/* Substring test for UTF-8/UTF-16/UTF-32 strings.
+   Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+   This program is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Lesser General Public License as published
+   by the Free Software Foundation; either version 3 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+bool
+FUNC (const UNIT *str, const UNIT *prefix)
+{
+  for (;;)
+    {
+      UNIT uc1 = *str++;
+      UNIT uc2 = *prefix++;
+      if (uc2 == 0)
+	return true;
+      if (uc1 != uc2)
+	return false;
+    }
+}