Do not keep displaying a destroyed screen, do not destroy screens 1 and 2.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/screen.c b/src/screen.c
index dd25938..d090e51 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -78,14 +78,20 @@ void scr_destroy(char s) {
 	if(s < 2 || s >= MAX_SCREENS)
 		return;
 
+	/* don't destroy if already destroyed (or never created) */
+	if(screens[s].status == SCR_UNUSED)
+		return;
+
 	// pool_reclaim_lines(screens[s].pool, screens[s].line_list);
 	pools[screens[s].pool].screen_count--;
 
 	screens[s].title[0] = 0;
 	screens[s].status = SCR_UNUSED;
 	screens[s].pool = POOL_UNUSED;
-	screens[s].line_list = 0;
 	screens[s].line_count = screens[s].scrollback_pos = 0;
+
+	/* theoretically this could be 0, but as a safety net... */
+	screens[s].line_list = (line_t *)END_MARKER;
 }
 
 void render_vis_buf(void) {