eliminate coredump for readline(NULL) case

1995-05-22 13:32:29 +00:00 · 1995-05-22 13:32:29 +00:00 · e43fc3243b
parent 87c15d9649
commit e43fc3243b
1 changed files with 1 additions and 1 deletions
--- a/gnu/lib/libreadline/display.c
+++ b/gnu/lib/libreadline/display.c
@ -746,7 +746,7 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
     escape sequences (like drawing the `unbold' sequence without a
     corresponding `bold') that manifests itself on certain terminals. */

-  lendiff = strlen (local_prompt);
+  lendiff = local_prompt ? strlen (local_prompt) : 0;
  if (current_line == 0 && !_rl_horizontal_scroll_mode &&
      lendiff > visible_length &&
      _rl_last_c_pos > 0 && (ofd - old) >= lendiff && term_cr)