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-rw-r--r--util/readline.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/util/readline.c b/util/readline.c
index 8baec55509..cc1302ac0a 100644
--- a/util/readline.c
+++ b/util/readline.c
@@ -263,6 +263,12 @@ static void readline_hist_add(ReadLineState *rs, const char *cmdline)
void readline_add_completion(ReadLineState *rs, const char *str)
{
if (rs->nb_completions < READLINE_MAX_COMPLETIONS) {
+ int i;
+ for (i = 0; i < rs->nb_completions; i++) {
+ if (!strcmp(rs->completions[i], str)) {
+ return;
+ }
+ }
rs->completions[rs->nb_completions++] = g_strdup(str);
}
}
@@ -345,6 +351,12 @@ static void readline_completion(ReadLineState *rs)
}
}
+static void readline_clear_screen(ReadLineState *rs)
+{
+ rs->printf_func(rs->opaque, "\033[2J\033[1;1H");
+ readline_show_prompt(rs);
+}
+
/* return true if command handled */
void readline_handle_byte(ReadLineState *rs, int ch)
{
@@ -363,6 +375,9 @@ void readline_handle_byte(ReadLineState *rs, int ch)
case 9:
readline_completion(rs);
break;
+ case 12:
+ readline_clear_screen(rs);
+ break;
case 10:
case 13:
rs->cmd_buf[rs->cmd_buf_size] = '\0';