From: Bruno Haible <bruno@clisp.org>
Date: Mon, 11 Jun 2007 00:33:46 +0000 (+0000)
Subject: New module 'unistr/u16-mbsnlen'.
X-Git-Tag: cvs-readonly~247
X-Git-Url: http://erislabs.net/gitweb/?a=commitdiff_plain;h=8a6003eb97b3da6d3f2e89489c7daca0610ab3f1;p=gnulib.git

New module 'unistr/u16-mbsnlen'.
---

diff --git a/ChangeLog b/ChangeLog
index 07dbdb219..3705e7102 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2007-06-10  Bruno Haible  <bruno@clisp.org>
 
+	* modules/unistr/u16-mbsnlen: New file.
+	* lib/unistr/u16-mbsnlen.c: New file.
+
 	* modules/unistr/u8-mbsnlen: New file.
 	* lib/unistr/u8-mbsnlen.c: New file.
 
diff --git a/lib/unistr/u16-mbsnlen.c b/lib/unistr/u16-mbsnlen.c
new file mode 100644
index 000000000..1c87a80e2
--- /dev/null
+++ b/lib/unistr/u16-mbsnlen.c
@@ -0,0 +1,41 @@
+/* Count characters in UTF-16 string.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2007.
+
+   This program 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, 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+   USA.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "unistr.h"
+
+size_t
+u16_mbsnlen (const uint16_t *s, size_t n)
+{
+  size_t characters;
+
+  characters = 0;
+  while (n > 0)
+    {
+      int count = u16_mblen (s, n);
+      if (count <= 0)
+	count = 1;
+      s += count;
+      n -= count;
+      characters++;
+    }
+  return characters;
+}
diff --git a/modules/unistr/u16-mbsnlen b/modules/unistr/u16-mbsnlen
new file mode 100644
index 000000000..ae5713dbf
--- /dev/null
+++ b/modules/unistr/u16-mbsnlen
@@ -0,0 +1,24 @@
+Description:
+Count characters in UTF-16 string.
+
+Files:
+lib/unistr/u16-mbsnlen.c
+
+Depends-on:
+unistr/base
+unistr/u16-mblen
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += unistr/u16-mbsnlen.c
+
+Include:
+"unistr.h"
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
+