Use fprintf and %lc to output a wchar_t.

[r24135]

diff --git a/diagnostic.c b/diagnostic.c
index eacf085..babdf9d 100644 (file)
--- a/diagnostic.c
+++ b/diagnostic.c
@@ -68,7 +68,7 @@ static void diagnosticvf(const char *const fmt, va_list ap)
 
                                case 'C': {
                                        const wint_t val = va_arg(ap, wint_t);
-                                       fputwc(val, stderr);
+                                       fprintf(stderr, "%lc", val);
                                        break;
                                }