Added thirdparty: boost library

thirdparty/include/boost/exception/errinfo_errno.hpp

@@ -0,0 +1,51 @@
+//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
+
+//Distributed under the Boost Software License, Version 1.0. (See accompanying
+//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_EXCEPTION_F0EE17BE6C1211DE87FF459155D89593
+#define BOOST_EXCEPTION_F0EE17BE6C1211DE87FF459155D89593
+
+#include <boost/exception/info.hpp>
+#include <errno.h>
+#include <string.h>
+
+#ifndef BOOST_EXCEPTION_ENABLE_WARNINGS
+#if __GNUC__*100+__GNUC_MINOR__>301
+#pragma GCC system_header
+#endif
+#ifdef __clang__
+#pragma clang system_header
+#endif
+#ifdef _MSC_VER
+#pragma warning(push,1)
+#pragma warning(disable:4996)
+#endif
+#endif
+
+namespace
+boost
+    {
+    typedef error_info<struct errinfo_errno_,int> errinfo_errno;
+
+    //Usage hint:
+    //if( c_function(....)!=0 )
+    //    BOOST_THROW_EXCEPTION(
+    //        failure() <<
+    //        errinfo_errno(errno) <<
+    //        errinfo_api_function("c_function") );
+    inline
+    std::string
+    to_string( errinfo_errno const & e )
+        {
+        std::ostringstream tmp;
+        int v=e.value();
+        tmp  << '[' << error_info_name(e) << "] = " << v << ", \"" << strerror(v) << "\"\n";
+        return tmp.str();
+        }
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif