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fixed a segfault in auth/as because it didn't check to see if argv[0] and argv[1] actually had things in them

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This commit is contained in:
mveety 2013-05-29 22:25:57 -04:00
parent 9abafe226e
commit a84c51a1e3
1 changed files with 5 additions and 2 deletions
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7
sys/src/cmd/auth/as.c
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@ -52,7 +52,10 @@ main(int argc, char *argv[])
initcap();
srand(getpid()*time(0));
runas(argv[0], argv[1]);
if(argc >= 2)
runas(argv[0], argv[1]);
else
usage();
}
void
@ -88,7 +91,7 @@ erealloc(void *p, ulong n)
void
usage(void)
{
fprint(2, "usage: %s [-c]\n", argv0);
fprint(2, "usage: %s [-c] [user] [command]\n", argv0);
exits("usage");
}