New module 'mbrlen'.

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);
+}

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], [
+  :
+])

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
+