From 797646a90607dc6632372db04cb04d13e49e5c9c Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Sat, 20 Dec 2008 01:54:05 +0100
Subject: [PATCH] New module 'mbrlen'.

---
 lib/mbrlen.c   | 32 ++++++++++++++++++++++++++++++++
 m4/mbrlen.m4   | 24 ++++++++++++++++++++++++
 modules/mbrlen | 27 +++++++++++++++++++++++++++
 3 files changed, 83 insertions(+)
 create mode 100644 lib/mbrlen.c
 create mode 100644 m4/mbrlen.m4
 create mode 100644 modules/mbrlen

diff --git a/lib/mbrlen.c b/lib/mbrlen.c
new file mode 100644
index 000000000..32a0c8195
--- /dev/null
+++ b/lib/mbrlen.c
@@ -0,0 +1,32 @@
+/* Recognize multibyte character.
+   Copyright (C) 1999-2000, 2008 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2008.
+
+   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 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <wchar.h>
+
+
+static mbstate_t internal_state;
+
+size_t
+mbrlen (const char *s, size_t n, mbstate_t *ps)
+{
+  if (ps == NULL)
+    ps = &internal_state;
+  return mbrtowc (NULL, s, n, ps);
+}
diff --git a/m4/mbrlen.m4 b/m4/mbrlen.m4
new file mode 100644
index 000000000..c3a3f3043
--- /dev/null
+++ b/m4/mbrlen.m4
@@ -0,0 +1,24 @@
+# mbrlen.m4 serial 1
+dnl Copyright (C) 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_MBRLEN],
+[
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+
+  AC_REQUIRE([AC_TYPE_MBSTATE_T])
+  AC_CHECK_FUNCS_ONCE([mbrlen])
+  if test $ac_cv_func_mbrlen = no; then
+    HAVE_MBRLEN=0
+    gl_REPLACE_WCHAR_H
+    AC_LIBOBJ([mbrlen])
+    gl_PREREQ_MBRLEN
+  fi
+])
+
+# Prerequisites of lib/mbrlen.c.
+AC_DEFUN([gl_PREREQ_MBRLEN], [
+  :
+])
diff --git a/modules/mbrlen b/modules/mbrlen
new file mode 100644
index 000000000..cbd48d112
--- /dev/null
+++ b/modules/mbrlen
@@ -0,0 +1,27 @@
+Description:
+mbrlen() function: recognize multibyte character.
+
+Files:
+lib/mbrlen.c
+m4/mbrlen.m4
+m4/mbstate_t.m4
+
+Depends-on:
+wchar
+mbrtowc
+
+configure.ac:
+gl_FUNC_MBRLEN
+gl_WCHAR_MODULE_INDICATOR([mbrlen])
+
+Makefile.am:
+
+Include:
+<wchar.h>
+
+License:
+LGPL
+
+Maintainer:
+Bruno Haible
+
-- 
2.11.0