[PATCH v2 4/6] cec-ctl: Add version command

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Add a --version option to cec-ctl to retrieve the version of cec-ctl.

Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
---
 utils/cec-ctl/cec-ctl.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/utils/cec-ctl/cec-ctl.cpp b/utils/cec-ctl/cec-ctl.cpp
index 455cdaeb..d4a4f036 100644
--- a/utils/cec-ctl/cec-ctl.cpp
+++ b/utils/cec-ctl/cec-ctl.cpp
@@ -133,6 +133,7 @@ enum Option {
 	OptVendorCommandWithID,
 	OptVendorRemoteButtonDown,
 	OptCustomCommand,
+	OptVersion,
 };
 
 struct node {
@@ -218,6 +219,8 @@ static struct option long_options[] = {
 	{ "unregistered", no_argument, 0, OptUnregistered },
 	{ "help-all", no_argument, 0, OptHelpAll },
 
+	{ "version", no_argument, 0, OptVersion },
+
 	CEC_PARSE_LONG_OPTS
 
 	{ "vendor-remote-button-down", required_argument, 0, OptVendorRemoteButtonDown }, \
@@ -231,6 +234,11 @@ static struct option long_options[] = {
 	{ 0, 0, 0, 0 }
 };
 
+static void version()
+{
+	printf("cec-ctl " PACKAGE_VERSION "\n");
+}
+
 static void usage()
 {
 	printf("Usage:\n"
@@ -262,6 +270,7 @@ static void usage()
 	       "  --help-all               Show all help messages\n"
 	       "  -T, --trace              Trace all called ioctls\n"
 	       "  -v, --verbose            Turn on verbose reporting\n"
+	       "  --version                Show version information\n"
 	       "  -w, --wall-clock         Show timestamps as wall-clock time (implies -v)\n"
 	       "  -W, --wait-for-msgs      Wait for messages and events for up to --monitor-time secs.\n"
 	       "  --cec-version-1.4        Use CEC Version 1.4 instead of 2.0\n"
@@ -2296,6 +2305,10 @@ int main(int argc, char **argv)
 			break;
 		}
 
+		case OptVersion:
+			version();
+			std::exit(EXIT_SUCCESS);
+
 		default:
 			if (ch >= OptHelpAll) {
 				cec_parse_usage_options(options);
-- 
2.27.0




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