portability fix: use SOCKET_SIZE_TYPE in the handlersocket plugin

plugin/handler_socket/handlersocket/hstcpsvr_worker.cpp

@@ -63,7 +63,7 @@ struct hstcpsvr_conn : public dbcallback_i {
  public:
   auto_file fd;
   sockaddr_storage addr;
-  socklen_t addr_len;
+  size_socket addr_len;
   dbconnstate cstate;
   std::string err;
   size_t readsize;

plugin/handler_socket/libhsclient/auto_addrinfo.hpp

@@ -9,12 +9,15 @@
 #ifndef DENA_AUTO_ADDRINFO_HPP
 #define DENA_AUTO_ADDRINFO_HPP
 
+#include <my_config.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
 
 #include "util.hpp"
 
+typedef SOCKET_SIZE_TYPE size_socket;
+
 namespace dena {
 
 struct auto_addrinfo : private noncopyable {

plugin/handler_socket/libhsclient/socket.cpp

@@ -172,7 +172,7 @@ socket_bind(auto_file& fd, const socket_args& args, std::string& err_r)
 
 int
 socket_accept(int listen_fd, auto_file& fd, const socket_args& args,
-  sockaddr_storage& addr_r, socklen_t& addrlen_r, std::string& err_r)
+  sockaddr_storage& addr_r, size_socket& addrlen_r, std::string& err_r)
 {
   fd.reset(accept(listen_fd, reinterpret_cast<sockaddr *>(&addr_r),
     &addrlen_r));

plugin/handler_socket/libhsclient/socket.hpp

@@ -19,7 +19,7 @@ namespace dena {
 
 struct socket_args {
   sockaddr_storage addr;
-  socklen_t addrlen;
+  size_socket addrlen;
   int family;
   int socktype;
   int protocol;
@@ -43,7 +43,7 @@ void ignore_sigpipe();
 int socket_bind(auto_file& fd, const socket_args& args, std::string& err_r);
 int socket_connect(auto_file& fd, const socket_args& args, std::string& err_r);
 int socket_accept(int listen_fd, auto_file& fd, const socket_args& args,
-  sockaddr_storage& addr_r, socklen_t& addrlen_r, std::string& err_r);
+  sockaddr_storage& addr_r, size_socket& addrlen_r, std::string& err_r);
 
 };