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tetris(6): Support the informal standard of allowing setting NO_COLOR 

in the environment to disable the use of color. (no-color.org)
This commit is contained in:
nia 2023-07-01 10:51:35 +00:00
parent d644da2ee9
commit d92552c3ea
2 changed files with 14 additions and 3 deletions
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9
games/tetris/tetris.6
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@ -1,4 +1,4 @@
.\" $NetBSD: tetris.6,v 1.17 2016/03/12 03:14:59 dholland Exp $
.\" $NetBSD: tetris.6,v 1.18 2023/07/01 10:51:35 nia Exp $
.\"
.\" Copyright (c) 1992, 1993
.\" The Regents of the University of California. All rights reserved.
@ -32,7 +32,7 @@
.\"
.\" @(#)tetris.6 8.1 (Berkeley) 5/31/93
.\"
.Dd February 18, 2015
.Dd July 1, 2023
.Dt TETRIS 6
.Os
.Sh NAME
@ -146,6 +146,11 @@ name, score, and how many points were scored on what level.
Scores which are the highest on a given level
are marked with asterisks
.Dq * .
.Sh ENVIRONMENT
.Nm
honors the informal standard
.Dv NO_COLOR .
When it is set in the environment, no color will be used.
.Sh FILES
.Bl -tag -width /var/games/tetris.scoresxx
.It /var/games/tetris.scores

8
games/tetris/tetris.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tetris.c,v 1.33 2020/07/21 02:42:05 nia Exp $ */
/* $NetBSD: tetris.c,v 1.34 2023/07/01 10:51:35 nia Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -135,6 +135,7 @@ main(int argc, char *argv[])
int level = 2;
#define NUMKEYS 7
char key_write[NUMKEYS][10];
char *nocolor_env;
int ch, i, j;
int fd;
@ -182,6 +183,11 @@ main(int argc, char *argv[])
if (argc)
usage();
nocolor_env = getenv("NO_COLOR");
if (nocolor_env != NULL && nocolor_env[0] != '\0')
nocolor = 1;
fallrate = 1000000 / level;
for (i = 0; i <= (NUMKEYS-1); i++) {