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GH-199: change bro --help exit status from 1 to 0

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Fixes #199
This commit is contained in:
Jon Siwek 2018-10-31 22:26:24 -05:00
parent 6e3ff156e0
commit cbaab3d4fa
3 changed files with 13 additions and 9 deletions
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16
src/main.cc
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@ -157,7 +157,7 @@ const char* bro_dns_fake()
return "on";
}
void usage()
void usage(int code = 1)
{
fprintf(stderr, "bro version %s\n", bro_version());
fprintf(stderr, "usage: %s [options] [file ...]\n", prog);
@ -168,7 +168,7 @@ void usage()
fprintf(stderr, " -e|--exec <bro code> | augment loaded policies by given code\n");
fprintf(stderr, " -f|--filter <filter> | tcpdump filter\n");
fprintf(stderr, " -g|--dump-config | dump current config into .state dir\n");
fprintf(stderr, " -h|--help|-? | command line help\n");
fprintf(stderr, " -h|--help | command line help\n");
fprintf(stderr, " -i|--iface <interface> | read from given interface\n");
fprintf(stderr, " -p|--prefix <prefix> | add given prefix to policy file resolution\n");
fprintf(stderr, " -r|--readfile <readfile> | read from given tcpdump file\n");
@ -217,7 +217,7 @@ void usage()
fprintf(stderr, "\n");
exit(1);
exit(code);
}
bool show_plugins(int level)
@ -634,7 +634,7 @@ int main(int argc, char** argv)
break;
case 'h':
usage();
usage(0);
break;
case 'i':
@ -687,7 +687,7 @@ int main(int argc, char** argv)
case 'F':
if ( dns_type != DNS_DEFAULT )
usage();
usage(1);
dns_type = DNS_FORCE;
break;
@ -709,7 +709,7 @@ int main(int argc, char** argv)
case 'P':
if ( dns_type != DNS_DEFAULT )
usage();
usage(1);
dns_type = DNS_PRIME;
break;
@ -765,7 +765,7 @@ int main(int argc, char** argv)
case '?':
default:
usage();
usage(1);
break;
}
@ -806,7 +806,7 @@ int main(int argc, char** argv)
// and Solaris provide /dev/urandom).
if ( interfaces.length() > 0 && read_files.length() > 0 )
usage();
usage(1);
#ifdef USE_IDMEF
char* libidmef_dtd_path_cstr = new char[libidmef_dtd_path.length() + 1];