1 files changed, 39 insertions, 0 deletions
diff --git a/wcsmbs/wcswidth.c b/wcsmbs/wcswidth.c
new file mode 100644
index 0000000000..ae074f23b7
--- /dev/null
+++ b/wcsmbs/wcswidth.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edi>, 1996.
+
+The GNU C Library 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 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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 the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "wcwidth.h"
+
+/* Determine number of column positions required for first N wide
+   characters (or fewer if S ends before this) in S.  */
+int
+wcswidth (const wchar_t *s, size_t n)
+{
+  int result = 0;
+
+  while (n > 0 && *s != L'\0')
+    {
+      int now = internal_wcwidth (*s);
+      if (now == -1)
+	return -1;
+      result += now;
+      ++s;
+    }
+
+  return result;
+}