dvb-zap: fix --search argument

The search argument is used to filter the monitored traffic.
Also, it requires a string as argument.

Fix it.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/utils/dvb/dvbv5-zap.c b/utils/dvb/dvbv5-zap.c
index bff993f..e32d028 100644 (file)
--- a/utils/dvb/dvbv5-zap.c
+++ b/utils/dvb/dvbv5-zap.c
@@ -74,7 +74,7 @@ static const struct argp_option options[] = {
        {"input-format", 'I',   "format",               0, "Input format: ZAP, CHANNEL, DVBV5 (default: DVBV5)", 0},
        {"lna",         'w', "LNA (0, 1, -1)",          0, "enable/disable/auto LNA power", 0},
        {"lnbf",        'l', "LNBf_type",               0, "type of LNBf to use. 'help' lists the available ones", 0},
-       {"search",      'L', NULL,                      0, "search/look for a string inside the traffic", 0},
+       {"search",      'L', "string",                  0, "search/look for a string inside the traffic", 0},
        {"monitor",     'm', NULL,                      0, "monitors de DVB traffic", 0},
        {"output",      'o', "file",                    0, "output filename (use -o - for stdout)", 0},
        {"pat",         'p', NULL,                      0, "add pat and pmt to TS recording (implies -r)", 0},
@@ -721,6 +721,12 @@ int main(int argc, char **argv)
                return -1;
        }
 
+       if (!args.traffic_monitor && args.search) {
+               fprintf(stderr, "ERROR: search string can be used only on monitor mode\n");
+               argp_help(&argp, stderr, ARGP_HELP_STD_HELP, PROGRAM_NAME);
+               return -1;
+       }
+
        if (args.lnb_name) {
                lnb = dvb_sat_search_lnb(args.lnb_name);
                if (lnb < 0) {