Fix #5404 - r2agent -v show version

binr/r2agent/r2agent.c

@@ -23,6 +23,11 @@ static int usage (int v) {
 	return !v;
 }
 
+static int showversion() {
+	printf (R2_VERSION"\n");
+	return 0;
+}
+
 int main(int argc, char **argv) {
 	RSocket *s;
 	RSocketHTTPRequest *rs;
@@ -32,7 +37,7 @@ int main(int argc, char **argv) {
 	bool listenlocal = true;
 	const char *port = "8080";
 
-	while ((c = getopt (argc, argv, "ahp:ds")) != -1) {
+	while ((c = getopt (argc, argv, "adhp:sv")) != -1) {
 		switch (c) {
 		case 'a':
 			listenlocal = false;
@@ -45,6 +50,8 @@ int main(int argc, char **argv) {
 			break;
 		case 'h':
 			return usage (1);
+		case 'v':
+			return showversion ();
 		case 'p':
 			port = optarg;
 			break;

man/r2agent.1

@@ -20,6 +20,8 @@ Show help prompt
 Run in sandbox mode
 .It Fl p, Cm port Ar PORT
 Specify listening port for the agent
+.It Fl v
+Show version information
 .El
 .Sh EXAMPLES
 .Pp