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-rw-r--r--gdb/tui/tui-io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gdb/tui/tui-io.c b/gdb/tui/tui-io.c
index dcccb08..75eb4b8 100644
--- a/gdb/tui/tui-io.c
+++ b/gdb/tui/tui-io.c
@@ -293,7 +293,7 @@ tui_prep_terminal (int notused1)
(we can't use gdb_prompt() due to secondary prompts and can't use
rl_prompt because it points to an alloca buffer). */
xfree (tui_rl_saved_prompt);
- tui_rl_saved_prompt = xstrdup (rl_prompt);
+ tui_rl_saved_prompt = rl_prompt != NULL ? xstrdup (rl_prompt) : NULL;
}
/* Readline callback to restore the terminal. It is called once each