system/{Resolver,Socket{Error,Util}}: move to new library libnet.a

src/net/SocketError.cxx

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2003-2015 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "SocketError.hxx"
+#include "util/Domain.hxx"
+
+#include <string.h>
+
+const Domain socket_domain("socket");
+
+#ifdef WIN32
+
+SocketErrorMessage::SocketErrorMessage(socket_error_t code)
+{
+	DWORD nbytes = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
+				     FORMAT_MESSAGE_IGNORE_INSERTS |
+				     FORMAT_MESSAGE_MAX_WIDTH_MASK,
+				     NULL, code, 0,
+				     (LPSTR)msg, sizeof(msg), NULL);
+	if (nbytes == 0)
+		strcpy(msg, "Unknown error");
+}
+
+#else
+
+SocketErrorMessage::SocketErrorMessage(socket_error_t code)
+	:msg(strerror(code)) {}
+
+#endif