nl: Return 2 on usage error

This commit is contained in:
Robert Ransom 2012-05-20 12:57:58 +00:00
parent 572dcc2b83
commit c0f60a6f3d

2
nl.c
View File

@ -36,7 +36,7 @@ main(int argc, char *argv[])
sep = optarg; sep = optarg;
break; break;
default: default:
exit(EXIT_FAILURE); exit(2);
} }
if(optind == argc) if(optind == argc)
nl(stdin); nl(stdin);