Check the # of arguments, instead of silently dumping core.

This commit is contained in:
Joerg Wunsch 1995-12-10 15:33:00 +00:00
parent 279884182f
commit 54e66fcad5

View File

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