X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/baee3e3a3c5850d0e0b571ecb04e7f7106fe1a1a..681cb9fb117ab20661273bf45bd5eaa75eddbf8a:/lib/sink.h

diff --git a/lib/sink.h b/lib/sink.h
index 15462ae..13ea7d4 100644
--- a/lib/sink.h
+++ b/lib/sink.h
@@ -51,7 +51,10 @@ struct sink *sink_dynstr(struct dynstr *output);
 /* return a sink which appends to @output@. */
 
 struct sink *sink_discard(void);
-/* reutrn a sink which junks everything */
+/* 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, ...)