+
+static void
+error_tail (int status, int errnum, const char *message, va_list args)
+{
+#if _LIBC
+ if (_IO_fwide (stderr, 0) > 0)
+ {
+# define ALLOCA_LIMIT 2000
+ size_t len = strlen (message) + 1;
+ wchar_t *wmessage = NULL;
+ mbstate_t st;
+ size_t res;
+ const char *tmp;
+
+ do
+ {
+ if (len < ALLOCA_LIMIT)
+ wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));
+ else
+ {
+ if (wmessage != NULL && len / 2 < ALLOCA_LIMIT)
+ wmessage = NULL;
+
+ wmessage = (wchar_t *) realloc (wmessage,
+ len * sizeof (wchar_t));
+
+ if (wmessage == NULL)
+ {
+ fputws_unlocked (L"out of memory\n", stderr);
+ return;
+ }
+ }
+
+ memset (&st, '\0', sizeof (st));
+ tmp =message;
+ }
+ while ((res = mbsrtowcs (wmessage, &tmp, len, &st)) == len);
+
+ if (res == (size_t) -1)
+ /* The string cannot be converted. */
+ wmessage = (wchar_t *) L"???";
+
+ __vfwprintf (stderr, wmessage, args);
+ }
+ else
+#endif
+ vfprintf (stderr, message, args);
+ va_end (args);
+
+ ++error_message_count;
+ if (errnum)
+ print_errno_message (errnum);
+#if _LIBC
+ if (_IO_fwide (stderr, 0) > 0)
+ putwc (L'\n', stderr);
+ else