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| author |   nia <nia@NetBSD.org> | 2020-07-21 02:42:05 +0000 |
|---|---|---|
| committer | nia <nia@NetBSD.org> | 2020-07-21 02:42:05 +0000 |
| commit | 28db4ccb3e2ee071d561e6ab9f075e7deb65fdb6 (patch) | |
| tree | 05cb4f0f1fcec4ae608bbe185c7f3eef2363a792 | |
| parent | 41ea0dbfd0fa937c96c965324e8f01aa9864130e (diff) | |
| download | bsdgames-darwin-28db4ccb3e2ee071d561e6ab9f075e7deb65fdb6.tar.gz bsdgames-darwin-28db4ccb3e2ee071d561e6ab9f075e7deb65fdb6.tar.zst bsdgames-darwin-28db4ccb3e2ee071d561e6ab9f075e7deb65fdb6.zip | |
tetris: Use arc4random_uniform instead of modulo for better randomness
| -rw-r--r-- | tetris/tetris.c | 3 | ||||
| -rw-r--r-- | tetris/tetris.h | 4 |
2 files changed, 3 insertions, 4 deletions
diff --git a/tetris/tetris.c b/tetris/tetris.c index 5a41c158..286e7c45 100644 --- a/tetris/tetris.c +++ b/tetris/tetris.c @@ -1,4 +1,4 @@ -/* $NetBSD: tetris.c,v 1.32 2016/03/03 21:38:55 nat Exp $ */ +/* $NetBSD: tetris.c,v 1.33 2020/07/21 02:42:05 nia Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -207,7 +207,6 @@ main(int argc, char *argv[]) scr_init(); setup_board(); - srandom(getpid()); scr_set(); pos = A_FIRST*B_COLS + (B_COLS/2)-1; diff --git a/tetris/tetris.h b/tetris/tetris.h index 7d18a2d1..8e1479f1 100644 --- a/tetris/tetris.h +++ b/tetris/tetris.h @@ -1,4 +1,4 @@ -/* $NetBSD: tetris.h,v 1.15 2016/03/03 21:38:55 nat Exp $ */ +/* $NetBSD: tetris.h,v 1.16 2020/07/21 02:42:05 nia Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -130,7 +130,7 @@ struct shape { }; extern const struct shape shapes[]; -#define randshape() (&shapes[random() % 7]) +#define randshape() (&shapes[arc4random_uniform(7)]) extern const struct shape *nextshape; |