Check the # of arguments, instead of silently dumping core.
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@ -64,6 +64,8 @@ main(argc, argv)
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{
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{
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int niceness = DEFNICE;
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int niceness = DEFNICE;
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if (argc < 2)
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errx(1, "usage: nice [-number] command [arguments]");
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if (argv[1][0] == '-')
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if (argv[1][0] == '-')
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if (argv[1][1] == '-' || isdigit(argv[1][1])) {
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if (argv[1][1] == '-' || isdigit(argv[1][1])) {
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niceness = atoi(argv[1] + 1);
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niceness = atoi(argv[1] + 1);
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