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main: print usage with -h option

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This commit is contained in:
Miroslav Lichvar 2015-04-17 17:14:51 +02:00
parent fdf9640349
commit 1cda2db45d
1 changed files with 5 additions and 0 deletions
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5
main.c
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@ -347,6 +347,7 @@ int main
(int argc, char **argv) (int argc, char **argv)
{ {
const char *conf_file = DEFAULT_CONF_FILE; const char *conf_file = DEFAULT_CONF_FILE;
const char *progname = argv[0];
char *user = NULL; char *user = NULL;
int debug = 0, nofork = 0, address_family = IPADDR_UNSPEC; int debug = 0, nofork = 0, address_family = IPADDR_UNSPEC;
int do_init_rtc = 0, restarted = 0; int do_init_rtc = 0, restarted = 0;
@ -405,6 +406,10 @@ int main
address_family = IPADDR_INET4; address_family = IPADDR_INET4;
} else if (!strcmp("-6", *argv)) { } else if (!strcmp("-6", *argv)) {
address_family = IPADDR_INET6; address_family = IPADDR_INET6;
} else if (!strcmp("-h", *argv) || !strcmp("--help", *argv)) {
printf("Usage: %s [-4|-6] [-n|-d] [-q|-Q] [-r] [-R] [-s] [-f FILE|COMMAND...]\n",
progname);
exit(0);
} else if (*argv[0] == '-') { } else if (*argv[0] == '-') {
LOG_FATAL(LOGF_Main, "Unrecognized command line option [%s]", *argv); LOG_FATAL(LOGF_Main, "Unrecognized command line option [%s]", *argv);
} else { } else {