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author | joerg <joerg@FreeBSD.org> | 1995-12-10 15:33:00 +0000 |
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committer | joerg <joerg@FreeBSD.org> | 1995-12-10 15:33:00 +0000 |
commit | 301bf81931342bb2bc5bff496f58308fcbc64ab6 (patch) | |
tree | e38f10278c8ba4580e4a7f3433dbd2701f65776f | |
parent | d8249966c8ccdec59d2d62956cf45f88b1aa48d5 (diff) | |
download | FreeBSD-src-301bf81931342bb2bc5bff496f58308fcbc64ab6.zip FreeBSD-src-301bf81931342bb2bc5bff496f58308fcbc64ab6.tar.gz |
Check the # of arguments, instead of silently dumping core.
-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); |