Better randomness

1 files changed, 6 insertions, 2 deletions

diff --git a/main.c b/main.c
index d9f7984..7ac20b2 100644
--- a/main.c
+++ b/main.c
@@ -67,7 +67,7 @@ static void persist(struct board *bd){
 
 // returns false iff game over
 static bool spawn(struct board *bd){
-	int idx=rand()%7;
+	int idx=random()%7;
 	bd->stone=stones[idx];
 	bd->stx=WID/2-1;
 	bd->sty=0;
@@ -152,7 +152,11 @@ static void rotR(struct board *bd){
 
 
 int main(void){
-	srand(time(NULL));
+	{
+		struct timeval tv;
+		gettimeofday(&tv,NULL);
+		srandom(tv.tv_sec*1000000L+tv.tv_usec);
+	}
 
 	initkeyboard(false);
 	atexit(endkeyboard);