X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/d22b8a59995829bc14b4490b9bddd95346e0585d..681cb9fb117ab20661273bf45bd5eaa75eddbf8a:/lib/sink.c

diff --git a/lib/sink.c b/lib/sink.c
index e904005..2c1279b 100644
--- a/lib/sink.c
+++ b/lib/sink.c
@@ -147,6 +147,22 @@ struct sink *sink_discard(void) {
   return s;
 }
 
+/* error sink **************************************************************/
+
+static int sink_error_write(struct sink attribute((unused)) *s,
+			    const void attribute((unused)) *buffer,
+			    int attribute((unused)) nbytes) {
+  return -1;
+}
+
+/** @brief Return a sink which discards all output */
+struct sink *sink_error(void) {
+  struct sink *s = xmalloc(sizeof *s);
+
+  s->write = sink_error_write;
+  return s;
+}
+
 /*
 Local Variables:
 c-basic-offset:2