New module 'mbsnrtowcs'.

[gnulib.git] / m4 / mbsnrtowcs.m4

diff --git a/m4/mbsnrtowcs.m4 b/m4/mbsnrtowcs.m4
new file mode 100644 (file)
index 0000000..b61da90
--- /dev/null
+++ b/m4/mbsnrtowcs.m4
@@ -0,0 +1,34 @@
+# mbsnrtowcs.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_MBSNRTOWCS],
+[
+  AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+
+  dnl Persuade glibc <wchar.h> to declare mbsnrtowcs().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_REQUIRE([AC_TYPE_MBSTATE_T])
+  gl_MBSTATE_T_BROKEN
+  if test $REPLACE_MBSTATE_T = 1; then
+    REPLACE_MBSNRTOWCS=1
+  fi
+  AC_CHECK_FUNCS_ONCE([mbsnrtowcs])
+  if test $ac_cv_func_mbsnrtowcs = no; then
+    HAVE_MBSNRTOWCS=0
+  fi
+  if test $HAVE_MBSNRTOWCS = 0 || test $REPLACE_MBSNRTOWCS = 1; then
+    gl_REPLACE_WCHAR_H
+    AC_LIBOBJ([mbsnrtowcs])
+    AC_LIBOBJ([mbsrtowcs-state])
+    gl_PREREQ_MBSNRTOWCS
+  fi
+])
+
+# Prerequisites of lib/mbsnrtowcs.c.
+AC_DEFUN([gl_PREREQ_MBSNRTOWCS], [
+  :
+])