Fix unused variable warnings

example/doc/http_examples.hpp

@@ -950,6 +950,7 @@ void custom_parser<isRequest>::
 on_request(verb method, string_view method_str,
     string_view path, int version, error_code& ec)
 {
+    boost::ignore_unused(method, method_str, path, version);
     ec = {};
 }
 
@@ -958,6 +959,7 @@ void custom_parser<isRequest>::
 on_response(int status, string_view reason,
     int version, error_code& ec)
 {
+    boost::ignore_unused(status, reason, version);
     ec = {};
 }
 
@@ -966,6 +968,7 @@ void custom_parser<isRequest>::
 on_field(field f, string_view name,
     string_view value, error_code& ec)
 {
+    boost::ignore_unused(f, name, value);
     ec = {};
 }
 
@@ -981,6 +984,7 @@ void custom_parser<isRequest>::
 on_body(boost::optional<std::uint64_t> const& content_length,
     error_code& ec)
 {
+    boost::ignore_unused(content_length);
     ec = {};
 }
 
@@ -988,6 +992,7 @@ template<bool isRequest>
 void custom_parser<isRequest>::
 on_data(string_view s, error_code& ec)
 {
+    boost::ignore_unused(s);
     ec = {};
 }
 
@@ -996,6 +1001,7 @@ void custom_parser<isRequest>::
 on_chunk(std::uint64_t size,
     string_view extension, error_code& ec)
 {
+    boost::ignore_unused(size, extension);
     ec = {};
 }
 

example/echo-op/echo_op.cpp

@@ -8,6 +8,7 @@
 #include <beast/core.hpp>
 #include <boost/asio.hpp>
 #include <cstddef>
+#include <iostream>
 #include <memory>
 #include <utility>
 
@@ -328,7 +329,7 @@ async_echo(AsyncStream& stream, CompletionToken&& token)
 
 //]
 
-int main()
+int main(int, char** argv)
 {
     using address_type = boost::asio::ip::address;
     using socket_type = boost::asio::ip::tcp::socket;
@@ -347,6 +348,8 @@ int main()
     async_echo(sock,
         [&](beast::error_code ec)
         {
+            if(ec)
+                std::cerr << argv[0] << ": " << ec.message() << std::endl;
         });
     ios.run();
     return 0;

example/server-framework/file_body.hpp

@@ -346,6 +346,8 @@ void
 file_body::writer::
 init(boost::optional<std::uint64_t> const& content_length, beast::error_code& ec)
 {
+    boost::ignore_unused(content_length);
+
     // Attempt to open the file for writing
     file_ = fopen(path_.string().c_str(), "wb");
 

example/server-framework/file_service.hpp

@@ -111,6 +111,8 @@ public:
         beast::http::request<Body, Fields>&& req,
         Send const& send) const
     {
+        boost::ignore_unused(ep);
+
         // Determine our action based on the method
         switch(req.method())
         {
@@ -219,6 +221,7 @@ private:
         beast::http::request<Body, Fields> const& req,
         boost::filesystem::path const& rel_path) const
     {
+        boost::ignore_unused(rel_path);
         beast::http::response<beast::http::string_body> res;
         res.version = req.version;
         res.result(beast::http::status::not_found);

example/server-framework/ssl_certificate.hpp

@@ -119,7 +119,7 @@ ssl_certificate::construct()
         "-----END DH PARAMETERS-----\n";
     
     ctx_.set_password_callback(
-        [](std::size_t size,
+        [](std::size_t,
             boost::asio::ssl::context_base::password_purpose)
         {
             return "test";

example/server-framework/write_msg.hpp

@@ -57,6 +57,7 @@ class write_msg_op
             : stream(stream_)
             , msg(std::move(msg_))
         {
+            boost::ignore_unused(handler);
         }
     };