readline: don't dereference possible NULL pointer

5 years ago · ca86ef1beb
parent 4e72384318
commit ca86ef1beb
1 changed files with 2 additions and 2 deletions
--- a/contrib/epee/src/readline_buffer.cpp
+++ b/contrib/epee/src/readline_buffer.cpp
@ -114,7 +114,7 @@ int rdln::readline_buffer::sync()
  int end = 0, point = 0;
 #endif

-  if (rl_end || *rl_prompt)
+  if (rl_end || (rl_prompt && *rl_prompt))
  {
 #if RL_READLINE_VERSION >= 0x0700
    rl_clear_visible_line();
@ -137,7 +137,7 @@ int rdln::readline_buffer::sync()
  while ( this->snextc() != EOF );

 #if RL_READLINE_VERSION < 0x0700
-  if (end || *rl_prompt)
+  if (end || (rl_prompt && *rl_prompt))
  {
    rl_restore_prompt();
    rl_line_buffer = line;