1 files changed, 7 insertions, 6 deletions
diff --git a/gdb/tui/tui-interp.c b/gdb/tui/tui-interp.c
index a344754250c..292c7db95f3 100644
--- a/gdb/tui/tui-interp.c
+++ b/gdb/tui/tui-interp.c
@@ -119,19 +119,20 @@ tui_exec (void *data, const char *command_str)
 static void
 tui_command_loop (void *data)
 {
-  int length;
-  char *a_prompt;
-  char *gdb_prompt = get_prompt ();
-
   /* If we are using readline, set things up and display the first
      prompt, otherwise just print the prompt.  */
   if (async_command_editing_p)
     {
+      int length;
+      char *a_prompt;
+      char *gdb_prompt = get_prompt ();
+
       /* Tell readline what the prompt to display is and what function
          it will need to call after a whole line is read. This also
          displays the first prompt.  */
-      length = strlen (PREFIX (0)) + strlen (gdb_prompt) + strlen (SUFFIX (0)) + 1;
-      a_prompt = (char *) xmalloc (length);
+      length = strlen (PREFIX (0)) 
+	+ strlen (gdb_prompt) + strlen (SUFFIX (0)) + 1;
+      a_prompt = (char *) alloca (length);
       strcpy (a_prompt, PREFIX (0));
       strcat (a_prompt, gdb_prompt);
       strcat (a_prompt, SUFFIX (0));