From 802e95d876f0b2a44f6de192517dbcf6fe2a323b Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Sat, 5 Sep 2020 18:59:14 -0400
Subject: [PATCH] zoo: error check on notcurses_cursor_enable() #990

---
 src/demo/zoo.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/demo/zoo.c b/src/demo/zoo.c
index 24063c26b..445f629f6 100644
--- a/src/demo/zoo.c
+++ b/src/demo/zoo.c
@@ -158,12 +158,17 @@ layout_next_text(struct ncreader* reader, const char* text, size_t* textpos){
       free(duped);
       return -1;
     }
+    free(duped);
     int y, x, posy, posx;
     struct ncplane* ncp = ncreader_plane(reader);
     ncplane_cursor_yx(ncp, &y, &x);
     ncplane_yx(ncp, &posy, &posx);
-    notcurses_cursor_enable(ncplane_notcurses(ncp), y + posy, x + posx);
-    free(duped);
+    int stdy = ncplane_dim_y(notcurses_stdplane(ncplane_notcurses(ncp)));
+    if(y + posy < stdy - 1){
+      if(notcurses_cursor_enable(ncplane_notcurses(ncp), y + posy, x + posx)){
+        return -1;
+      }
+    }
     *textpos += towrite;
   }
   return 0;