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Complain about empty command lines.

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This commit is contained in:
Sean Eric Fagan 1997-12-06 17:13:54 +00:00
parent e09a8fd173
commit ad9e02601c
1 changed files with 2 additions and 2 deletions
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4
usr.bin/truss/main.c
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@ -4,7 +4,7 @@
* do a lot of the work :).
*/
/*
* $Id: main.c,v 1.2 1997/12/06 14:39:30 peter Exp $
* $Id: main.c,v 1.3 1997/12/06 14:41:41 peter Exp $
*/
#include <stdio.h>
@ -117,7 +117,7 @@ main(int ac, char **av) {
}
ac -= optind; av += optind;
if (ac && pid != 0)
if ((pid == 0 && ac == 0) || (pid != 0 && ac != 0))
usage();
/*