termiointernals: no out-of-band read when selecting empty lines

2019-07-10 23:14:53 +02:00 · 2019-07-10 23:14:53 +02:00 · 7f4d891610
parent dff54aeca2
commit 7f4d891610
1 changed files with 1 additions and 1 deletions
--- a/src/bin/termiointernals.c
+++ b/src/bin/termiointernals.c
@ -409,7 +409,7 @@ _sel_line(Termio *sd, int cy)
   for (;;)
     {
        cells = termpty_cellrow_get(sd->pty, y - 1, &w);
-        if (!cells || !cells[w-1].att.autowrapped)
+        if (!cells || w <= 0 || !cells[w-1].att.autowrapped)
          break;
        y--;
     }