1 files changed, 5 insertions, 2 deletions

diff --git a/games/quiz/quiz.c b/games/quiz/quiz.c
index aa5f52783e6f1..25ee3ed5f544b 100644
--- a/games/quiz/quiz.c
+++ b/games/quiz/quiz.c
@@ -316,11 +316,14 @@ appdstr(s, tp, len)
 	if ((m = malloc(strlen(s) + len + 1)) == NULL)
 		err("%s", strerror(errno));
 	for (mp = m, sp = s; *mp++ = *sp++;);
+	mp--;
 
 	if (*(mp - 1) == '\\')
 		--mp;
-	while ((ch = *mp++ = *tp++) && ch != '\n');
-	*mp = '\0';
+	memcpy(mp, tp, len);
+	mp[len] = '\0';
+	if (mp[len - 1] == '\n')
+		mp[len - 1] = '\0';
 
 	free(s);
 	return (m);