Merge tag 'linux-user-for-8.0-pull-request' of https://gitlab.com/laurent_vivier...

[mirror_qemu.git] / util / readline.c

diff --git a/util/readline.c b/util/readline.c
index e534460da68383db53c86e4d3afc14a5a89b2894..494a3d924e6a928d13af781d41a06aae174023ad 100644 (file)
--- a/util/readline.c
+++ b/util/readline.c
@@ -240,6 +240,9 @@ static void readline_hist_add(ReadLineState *rs, const char *cmdline)
         }
         if (strcmp(hist_entry, cmdline) == 0) {
         same_entry:
+            if (idx == READLINE_MAX_CMDS - 1) {
+                return;
+            }
             new_entry = hist_entry;
             /* Put this entry at the end of history */
             memmove(&rs->history[idx], &rs->history[idx + 1],
@@ -283,6 +286,14 @@ void readline_add_completion(ReadLineState *rs, const char *str)
     }
 }
 
+void readline_add_completion_of(ReadLineState *rs,
+                                const char *pfx, const char *str)
+{
+    if (!strncmp(str, pfx, strlen(pfx))) {
+        readline_add_completion(rs, str);
+    }
+}
+
 void readline_set_completion_index(ReadLineState *rs, int index)
 {
     rs->completion_index = index;