From d511e6c4c24a731497e32395ba54bad52f1adecf Mon Sep 17 00:00:00 2001
From: Logen Kain <logen@sudotask.com>
Date: Sat, 21 Jan 2017 22:12:28 -0700
Subject: [PATCH] Blackjack: Simplified by removing rand_int function

---
 blackjack/blackjack.c | 29 ++++++-----------------------
 1 file changed, 6 insertions(+), 23 deletions(-)

diff --git a/blackjack/blackjack.c b/blackjack/blackjack.c
index 0b4c4cf..f8bdd2b 100644
--- a/blackjack/blackjack.c
+++ b/blackjack/blackjack.c
@@ -9,8 +9,6 @@
 void print_deck (int *deckOfCards);
 void shuffel (int *array, int n);
 
-static int rand_int(int n);
-
 int main (int argc, char *argv[])
 {
 	int i;
@@ -51,26 +49,11 @@ void shuffel (int *array, int n){
 
 	for (i=n; i>-1 ;i--){
 		
-		j = rand_int(i + 1);
-
-		tmp = array[j];
-		array[j] = array[i];
-		array[i] = tmp;
+		if (i != 0){
+			j = rand() % i;
+			tmp = array[j];
+			array[j] = array[i];
+			array[i] = tmp;
+		}
 	}
 }
-
-static int rand_int(int n){
-	
-	int limit = RAND_MAX - RAND_MAX % n;
-
-	int rnd;
-
-	do {
-		rnd=rand();
-	}
-	while (rnd >= limit);
-
-	return rnd % n;
-}
-
-