Don't add empty strings to the history

1 files changed, 3 insertions, 1 deletions

diff --git a/src/move.c b/src/move.c
index d2a05dd..4f68df9 100644
--- a/src/move.c
+++ b/src/move.c
@@ -63,7 +63,9 @@ struct move prompt_get_move(enum player_color current_player) {
     char *input = readline(prompt);
 
     if (input != NULL) {
-      add_history(input);
+      if (strlen(input) > 0) {
+        add_history(input);
+      }
       if (STREQ(input, "h")) {
         print_help();
       } else if (STREQ(input, "p")) {