do more error checking

1 files changed, 6 insertions, 0 deletions

diff --git a/card.cpp b/card.cpp
index 0f4fc3f..ffcffbd 100644
--- a/card.cpp
+++ b/card.cpp
@@ -101,6 +101,12 @@ enum Suit Card::getSuit(void)
 
 void Card::sortCards(Card **cards)
 {
+    if (cards == NULL)
+    {
+        PRINT_COLOR(ANSI_COLOR_RED, "\nsortCards(): cards parameter is NULL!\n");
+        return;
+    }
+
     /* reverse bubble sort */
     int i, j;
     Card *tmp;