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Add usage().

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This commit is contained in:
Philippe Charnier 1997-06-30 06:51:20 +00:00
parent 1aa67f6900
commit d98fe20585
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27100
1 changed files with 11 additions and 3 deletions
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14
usr.bin/env/env.c vendored
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@ -49,6 +49,8 @@ static char sccsid[] = "@(#)env.c 8.3 (Berkeley) 4/2/94";
extern char **environ;
static void usage __P((void));
int
main(argc, argv)
int argc;
@ -66,9 +68,7 @@ main(argc, argv)
break;
case '?':
default:
(void)fprintf(stderr,
"usage: env [-] [name=value ...] [command]\n");
exit(1);
usage();
}
for (argv += optind; *argv && (p = strchr(*argv, '=')); ++argv)
(void)setenv(*argv, ++p, 1);
@ -80,3 +80,11 @@ main(argc, argv)
(void)printf("%s\n", *ep);
exit(0);
}
static void
usage()
{
(void)fprintf(stderr,
"usage: env [-] [name=value ...] [command]\n");
exit(1);
}