+/*
+ * Workaround in case getcchar() returns a positive value when the source
+ * string produces only a L'\0'.
+ */
+#define TEST_CCHAR(s, count, then_stmt, else_stmt) \
+ if ((count = getcchar(s, NULL, NULL, NULL, NULL)) > 0) { \
+ wchar_t test_wch[CCHARW_MAX + 2]; \
+ attr_t test_attrs; \
+ short test_pair; \
+ \
+ if (getcchar( s, test_wch, &test_attrs, &test_pair, NULL) == OK \
+ && test_wch[0] != L'\0') { \
+ then_stmt \
+ } else { \
+ else_stmt \
+ } \
+ } else { \
+ else_stmt \
+ }