From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 9 Dec 2022 16:28:52 +0000 (+0200)
Subject: Update getopt usage with positional arguments
X-Git-Url: http://git.tdb.fi/?p=libs%2Fnet.git;a=commitdiff_plain;h=c0b73c437d75a6fbf111969ea67c1d24586dbde7

Update getopt usage with positional arguments
---

diff --git a/examples/httpget.cpp b/examples/httpget.cpp
index a4314ce..18ef799 100644
--- a/examples/httpget.cpp
+++ b/examples/httpget.cpp
@@ -28,13 +28,8 @@ HttpGet::HttpGet(int argc, char **argv):
 {
 	GetOpt getopt;
 	getopt.add_option('v', "verbose", verbose, GetOpt::NO_ARG);
+	getopt.add_argument("url", url, GetOpt::REQUIRED_ARG);
 	getopt(argc, argv);
-
-	const vector<string> &args = getopt.get_args();
-	if(args.empty())
-		throw usage_error("No URL");
-
-	url = args.front();
 }
 
 int HttpGet::main()
diff --git a/examples/netcat.cpp b/examples/netcat.cpp
index 9bbad87..cd549f4 100644
--- a/examples/netcat.cpp
+++ b/examples/netcat.cpp
@@ -34,16 +34,15 @@ NetCat::NetCat(int argc, char **argv):
 	server_sock(0),
 	sock(0)
 {
+	string host_name;
+
 	GetOpt getopt;
 	getopt.add_option('6', "ipv6",   ipv6,   GetOpt::NO_ARG);
 	getopt.add_option('l', "listen", listen, GetOpt::NO_ARG);
+	getopt.add_argument("host", host_name, GetOpt::REQUIRED_ARG);
 	getopt(argc, argv);
 
-	const vector<string> &args = getopt.get_args();
-	if(args.empty())
-		throw usage_error("host argument missing");
-
-	RefPtr<Net::SockAddr> addr = Net::resolve(args.front(), (ipv6 ? Net::INET6 : Net::INET));
+	RefPtr<Net::SockAddr> addr = Net::resolve(host_name, (ipv6 ? Net::INET6 : Net::INET));
 	if(!listen)
 	{
 		sock = new Net::StreamSocket(addr->get_family());