Add system_category_posix.hpp; remove BOOST_SYSTEM_WIN32

include/boost/system/detail/config.hpp

@@ -65,10 +65,4 @@
 #endif
 #endif
 
-// BOOST_SYSTEM_WIN32
-
-#if defined( _WIN32 ) || defined( __CYGWIN__ )
-# define BOOST_SYSTEM_WIN32
-#endif
-
 #endif // BOOST_SYSTEM_DETAIL_CONFIG_HPP_INCLUDED

include/boost/system/detail/system_category_posix.hpp

@@ -0,0 +1,132 @@
+// POSIX-specific implementation details of system_error_category
+//
+// Copyright 2018 Peter Dimov
+//
+// 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)
+//
+// See library home page at http://www.boost.org/libs/system
+
+namespace boost
+{
+
+namespace system
+{
+
+namespace detail
+{
+
+inline bool is_generic_value( int ev ) BOOST_NOEXCEPT
+{
+    using namespace errc;
+
+    static int const gen[] =
+    {
+        success,
+        address_family_not_supported,
+        address_in_use,
+        address_not_available,
+        already_connected,
+        argument_list_too_long,
+        argument_out_of_domain,
+        bad_address,
+        bad_file_descriptor,
+        bad_message,
+        broken_pipe,
+        connection_aborted,
+        connection_already_in_progress,
+        connection_refused,
+        connection_reset,
+        cross_device_link,
+        destination_address_required,
+        device_or_resource_busy,
+        directory_not_empty,
+        executable_format_error,
+        file_exists,
+        file_too_large,
+        filename_too_long,
+        function_not_supported,
+        host_unreachable,
+        identifier_removed,
+        illegal_byte_sequence,
+        inappropriate_io_control_operation,
+        interrupted,
+        invalid_argument,
+        invalid_seek,
+        io_error,
+        is_a_directory,
+        message_size,
+        network_down,
+        network_reset,
+        network_unreachable,
+        no_buffer_space,
+        no_child_process,
+        no_link,
+        no_lock_available,
+        no_message_available,
+        no_message,
+        no_protocol_option,
+        no_space_on_device,
+        no_stream_resources,
+        no_such_device_or_address,
+        no_such_device,
+        no_such_file_or_directory,
+        no_such_process,
+        not_a_directory,
+        not_a_socket,
+        not_a_stream,
+        not_connected,
+        not_enough_memory,
+        not_supported,
+        operation_canceled,
+        operation_in_progress,
+        operation_not_permitted,
+        operation_not_supported,
+        operation_would_block,
+        owner_dead,
+        permission_denied,
+        protocol_error,
+        protocol_not_supported,
+        read_only_file_system,
+        resource_deadlock_would_occur,
+        resource_unavailable_try_again,
+        result_out_of_range,
+        state_not_recoverable,
+        stream_timeout,
+        text_file_busy,
+        timed_out,
+        too_many_files_open_in_system,
+        too_many_files_open,
+        too_many_links,
+        too_many_symbolic_link_levels,
+        value_too_large,
+        wrong_protocol_type
+    };
+
+    int const n = sizeof( gen ) / sizeof( gen[0] );
+
+    for( int i = 0; i < n; ++i )
+    {
+        if( ev == gen[ i ] ) return true;
+    }
+
+    return false;
+}
+
+inline error_condition system_category_default_error_condition_posix( int ev ) BOOST_NOEXCEPT
+{
+    if( is_generic_value( ev ) )
+    {
+        return error_condition( ev, generic_category() );
+    }
+    else
+    {
+        return error_condition( ev, system_category() );
+    }
+}
+
+} // namespace detail
+
+} // namespace system
+
+} // namespace boost

include/boost/system/detail/system_category_win32.hpp

@@ -1,18 +1,17 @@
 // Windows implementation of system_error_category
-
+//
 // Copyright Beman Dawes 2002, 2006
 // Copyright (c) Microsoft Corporation 2014
 // Copyright 2018 Peter Dimov
-
-//  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)
-
-//  See library home page at http://www.boost.org/libs/system
+//
+// 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)
+//
+// See library home page at http://www.boost.org/libs/system
 
 #include <boost/winapi/error_codes.hpp>
 #include <boost/winapi/error_handling.hpp>
 #include <boost/winapi/character_code_conversion.hpp>
-#include <vector>
 
 //
 

include/boost/system/error_code.hpp

@@ -10,6 +10,7 @@
 //
 //  See library home page at http://www.boost.org/libs/system
 
+#include <boost/system/api_config.hpp>
 #include <boost/system/detail/config.hpp>
 #include <boost/type_traits/enable_if.hpp>
 #include <boost/cstdint.hpp>
@@ -748,7 +749,7 @@ inline std::string generic_error_category::message( int ev ) const
 
 // system_error_category implementation
 
-#if defined(BOOST_SYSTEM_WIN32)
+#if defined(BOOST_WINDOWS_API)
 
 #include <boost/system/detail/system_category_win32.hpp>
 
@@ -762,7 +763,9 @@ inline boost::system::error_condition boost::system::detail::system_error_catego
     return system_category_default_error_condition_win32( ev );
 }
 
-#else // #if defined(BOOST_SYSTEM_WIN32)
+#else // #if defined(BOOST_WINDOWS_API)
+
+#include <boost/system/detail/system_category_posix.hpp>
 
 inline std::string boost::system::detail::system_error_category::message( int ev ) const
 {
@@ -771,10 +774,10 @@ inline std::string boost::system::detail::system_error_category::message( int ev
 
 inline boost::system::error_condition boost::system::detail::system_error_category::default_error_condition( int ev ) const BOOST_NOEXCEPT
 {
-    return boost::system::error_condition( ev, generic_category() );
+    return system_category_default_error_condition_posix( ev );
 }
 
-#endif // #if defined(BOOST_SYSTEM_WIN32)
+#endif // #if defined(BOOST_WINDOWS_API)
 
 // interoperability with std::error_code, std::error_condition