newlib: wide char support

git-svn-id: svn://kolibrios.org@6607 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/stdlib/mbrlen.c

@@ -0,0 +1,22 @@
+#include <reent.h>
+#include <newlib.h>
+#include <wchar.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+size_t
+mbrlen(const char *__restrict s, size_t n, mbstate_t *__restrict ps)
+{
+#ifdef _MB_CAPABLE
+  if (ps == NULL)
+    {
+      struct _reent *reent = _REENT;
+
+      _REENT_CHECK_MISC(reent);
+      ps = &(_REENT_MBRLEN_STATE(reent));
+    }
+#endif
+
+  return mbrtowc(NULL, s, n, ps);
+}