Enclose repeated buffer draining code in a new msgbuf_drain()

function, which is additionally exported for use by others.

From nicm@, who reminded me that tmux is now using buffer.c, too.

1 files changed, 1 insertions, 0 deletions

diff --git a/imsg.h b/imsg.h
index 5de73f0c..b84be86f 100644
--- a/imsg.h
+++ b/imsg.h
@@ -90,6 +90,7 @@ void		 buf_free(struct buf *);
 void		 msgbuf_init(struct msgbuf *);
 void		 msgbuf_clear(struct msgbuf *);
 int		 msgbuf_write(struct msgbuf *);
+void		 msgbuf_drain(struct msgbuf *, size_t);
 
 /* imsg.c */
 void	 imsg_init(struct imsgbuf *, int);