void common_cmd(int ch, char *optarg)
{
char *value, *subs;
switch (ch) {
case OptGetCtrl:
subs = optarg;
while (*subs != '\0') {
if (parse_next_subopt(&subs, &value)) {
common_usage();
exit(1);
}
if (strchr(value, '=')) {
common_usage();
exit(1);
}
else {
get_ctrls.push_back(value);
}
}
break;
case OptSetCtrl:
subs = optarg;
while (*subs != '\0') {
if (parse_next_subopt(&subs, &value)) {
common_usage();
exit(1);
}
if (const char *equal = strchr(value, '=')) {
set_ctrls[std::string(value, (equal - value))] = equal + 1;
}
else {
fprintf(stderr, "control '%s' without '='\n", value);
exit(1);
}
}
break;
case OptSubset:
if (parse_subset(optarg)) {
common_usage();
exit(1);
}
break;
case OptSetPriority:
prio = (enum v4l2_priority)strtoul(optarg, 0L, 0);
break;
case OptListDevices:
list_devices();
break;
}
}
static void usage_all(void)
{
common_usage();
tuner_usage();
io_usage();
stds_usage();
vidcap_usage();
vidout_usage();
overlay_usage();
vbi_usage();
sdr_usage();
selection_usage();
misc_usage();
streaming_usage();
edid_usage();
}
usage ()
{
fprintf (stderr,
"Usage: hpsstouch [auth-options] <srcfl> [<srcfl> ...]\n");
common_usage();
}
usage ()
{
fprintf (stderr,
"Usage: hpssrmdir [auth-options] <dir>\n");
common_usage();
}
