Provide wcwidth replacement in separate file wcwidth.c.

[gnulib.git] / lib / wcwidth.c

diff --git a/lib/wcwidth.c b/lib/wcwidth.c
new file mode 100644 (file)
index 0000000..6317083
--- /dev/null
+++ b/lib/wcwidth.c
@@ -0,0 +1,30 @@
+/* Determine the number of screen columns needed for a character.
+   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU 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 General Public License for more details.
+
+   You should have received a copy of the GNU 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 "wcwidth.h"
+
+/* Get iswprint.  */
+#include <wctype.h>
+
+int
+rpl_wcwidth (wchar_t wc)
+{
+  return wc == 0 ? 0 : iswprint (wc) ? 1 : -1;
+}