More schedule code testing; fix C interface.

[disorder] / lib / sink.h

diff --git a/lib/sink.h b/lib/sink.h
index cde716135efce1734254d68738e4511ad8893083..13ea7d4cb422e0b481c70ca2e73b8a15582e348f 100644 (file)
--- a/lib/sink.h
+++ b/lib/sink.h
@@ -50,6 +50,12 @@ struct sink *sink_stdio(const char *name, FILE *fp);
 struct sink *sink_dynstr(struct dynstr *output);
 /* return a sink which appends to @output@. */
 
+struct sink *sink_discard(void);
+/* return a sink which junks everything */
+
+struct sink *sink_error(void);
+/* return a sink which fails all writes */
+
 int sink_vprintf(struct sink *s, const char *fmt, va_list ap);
 int sink_printf(struct sink *s, const char *fmt, ...)
   attribute((format (printf, 2, 3)));