don't add to history on empty input

1 files changed, 1 insertions, 1 deletions

diff --git a/repl.c b/repl.c
index 1788fdf..1fcca4a 100644
--- a/repl.c
+++ b/repl.c
@@ -38,7 +38,7 @@ int main(int argc, char *argv[]) {
 			break;
 		}
 		
-		add_history(input);
+		if (input[0] != '\0') add_history(input);
 
 		int size = strlen(argv[1]) + 1 + strlen(input) + 1;
 		char *command = malloc(size);