1 files changed, 4 insertions, 0 deletions
diff --git a/wk4/lect/copy.c b/wk4/lect/copy.c
index 470340a..4d442c5 100644
--- a/wk4/lect/copy.c
+++ b/wk4/lect/copy.c
@@ -9,6 +9,10 @@ int main(void)
     char *s = get_string("s: ");
 
     char *t = malloc(strlen(s) + 1);
+    if (t == NULL)
+    {
+        return 1;
+    }
 
     for (int i = 0, n = strlen(s); i <= n; i++)
     {