diff options
| -rw-r--r-- | usr.bin/nice/nice.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.bin/nice/nice.c b/usr.bin/nice/nice.c index 6b905d9..b34a941 100644 --- a/usr.bin/nice/nice.c +++ b/usr.bin/nice/nice.c @@ -64,6 +64,8 @@ main(argc, argv) { int niceness = DEFNICE; + if (argc < 2) + errx(1, "usage: nice [-number] command [arguments]"); if (argv[1][0] == '-') if (argv[1][1] == '-' || isdigit(argv[1][1])) { niceness = atoi(argv[1] + 1); |
