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Prevents segm. fault on unknown option

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This commit is contained in:
Andrey A. Chernov 1994-10-19 05:10:06 +00:00
parent 51c3256355
commit dc5c110e4a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3717
1 changed files with 5 additions and 0 deletions
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5
usr.bin/systat/main.c
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@ -88,6 +88,11 @@ main(argc, argv)
p = lookup(&argv[0][1]);
if (p == (struct cmdtab *)-1) {
fprintf(stderr, "%s: ambiguous request\n",
&argv[0][1]);
exit(1);
}
if (p == (struct cmdtab *)0) {
fprintf(stderr, "%s: unknown request\n",
&argv[0][1]);
exit(1);