get a random seedHEADmaster

1 files changed, 10 insertions, 1 deletions

diff --git a/yhtz.c b/yhtz.c
index 64b29a2..acaa3f5 100644
--- a/yhtz.c
+++ b/yhtz.c
@@ -1,6 +1,8 @@
+#include <assert.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <sys/random.h>
 
 /*
    0000 0000 0000 0000 0000 0000 0000 0000
@@ -168,13 +170,20 @@ int turn_count(yhtz_state* state) {
     return ret;
 }
 
+uint16_t init_seed() {
+    uint8_t buf[2];
+    ssize_t ret = getrandom(&buf, 2, 0);
+    assert(ret == 2);
+    return (uint16_t)(buf[0] << 8 | buf[1]);
+}
+
 void init_yhtz_state(yhtz_state* state) {
 	state->topflag_w_roll = 0;
 	state->topscore = 0;
 	state->botflag = 0;
 	state->botscore = 0;
 	state->dice = 0;
-	state->seed = 13;  /* TODO this isn't random */
+	state->seed = init_seed();
 }
 
 void main() {