Discard all but the last line when reading from a #() command - the

callback is just going to be fired again straight away to go through all
the lines, it is better just to use the last one straight away.

diff --git a/usr.bin/tmux/format.c b/usr.bin/tmux/format.c
index 9b310e9..c2b7f21 100644 (file)
--- a/usr.bin/tmux/format.c
+++ b/usr.bin/tmux/format.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: format.c,v 1.150 2017/11/02 18:52:05 nicm Exp $ */
+/* $OpenBSD: format.c,v 1.151 2018/01/18 14:28:11 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -191,10 +191,15 @@ static void
 format_job_update(struct job *job)
 {
        struct format_job       *fj = job->data;
-       char                    *line;
+       struct evbuffer         *evb = job->event->input;
+       char                    *line = NULL, *next;
        time_t                   t;
 
-       if ((line = evbuffer_readline(job->event->input)) == NULL)
+       while ((next = evbuffer_readline(evb)) != NULL) {
+               free(line);
+               line = next;
+       }
+       if (line == NULL)
                return;
        fj->updated = 1;