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authorMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2019-10-07 04:52:50 +0200
commit0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch)
treea71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/impl/error_code.ipp
parent558d74bffd9f069955af52c0b308a1d6169bcff0 (diff)
parent0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff)
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Merge lime output into next branch
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diff --git a/lib/asio/impl/error_code.ipp b/lib/asio/impl/error_code.ipp
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-//
-// impl/error_code.ipp
-// ~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// 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 ASIO_IMPL_ERROR_CODE_IPP
-#define ASIO_IMPL_ERROR_CODE_IPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
-# include <winerror.h>
-#elif defined(ASIO_WINDOWS_RUNTIME)
-# include <windows.h>
-#else
-# include <cerrno>
-# include <cstring>
-# include <string>
-#endif
-#include "asio/detail/local_free_on_block_exit.hpp"
-#include "asio/detail/socket_types.hpp"
-#include "asio/error_code.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-class system_category : public error_category
-{
-public:
- const char* name() const ASIO_ERROR_CATEGORY_NOEXCEPT
- {
- return "asio.system";
- }
-
- std::string message(int value) const
- {
-#if defined(ASIO_WINDOWS_RUNTIME) || defined(ASIO_WINDOWS_APP)
- std::wstring wmsg(128, wchar_t());
- for (;;)
- {
- DWORD wlength = ::FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM
- | FORMAT_MESSAGE_IGNORE_INSERTS, 0, value,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- &wmsg[0], static_cast<DWORD>(wmsg.size()), 0);
- if (wlength == 0 && ::GetLastError() == ERROR_INSUFFICIENT_BUFFER)
- {
- wmsg.resize(wmsg.size() + wmsg.size() / 2);
- continue;
- }
- if (wlength && wmsg[wlength - 1] == '\n')
- --wlength;
- if (wlength && wmsg[wlength - 1] == '\r')
- --wlength;
- if (wlength)
- {
- std::string msg(wlength * 2, char());
- int length = ::WideCharToMultiByte(CP_ACP, 0,
- wmsg.c_str(), static_cast<int>(wlength),
- &msg[0], static_cast<int>(wlength * 2), 0, 0);
- if (length <= 0)
- return "asio.system error";
- msg.resize(static_cast<std::size_t>(length));
- return msg;
- }
- else
- return "asio.system error";
- }
-#elif defined(ASIO_WINDOWS) || defined(__CYGWIN__)
- char* msg = 0;
- DWORD length = ::FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
- | FORMAT_MESSAGE_FROM_SYSTEM
- | FORMAT_MESSAGE_IGNORE_INSERTS, 0, value,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&msg, 0, 0);
- detail::local_free_on_block_exit local_free_obj(msg);
- if (length && msg[length - 1] == '\n')
- msg[--length] = '\0';
- if (length && msg[length - 1] == '\r')
- msg[--length] = '\0';
- if (length)
- return msg;
- else
- return "asio.system error";
-#else // defined(ASIO_WINDOWS_DESKTOP) || defined(__CYGWIN__)
-#if !defined(__sun)
- if (value == ECANCELED)
- return "Operation aborted.";
-#endif // !defined(__sun)
-#if defined(__sun) || defined(__QNX__) || defined(__SYMBIAN32__)
- using namespace std;
- return strerror(value);
-#else
- char buf[256] = "";
- using namespace std;
- return strerror_result(strerror_r(value, buf, sizeof(buf)), buf);
-#endif
-#endif // defined(ASIO_WINDOWS_DESKTOP) || defined(__CYGWIN__)
- }
-
-#if defined(ASIO_HAS_STD_ERROR_CODE)
- std::error_condition default_error_condition(
- int ev) const ASIO_ERROR_CATEGORY_NOEXCEPT
- {
- switch (ev)
- {
- case access_denied:
- return std::errc::permission_denied;
- case address_family_not_supported:
- return std::errc::address_family_not_supported;
- case address_in_use:
- return std::errc::address_in_use;
- case already_connected:
- return std::errc::already_connected;
- case already_started:
- return std::errc::connection_already_in_progress;
- case broken_pipe:
- return std::errc::broken_pipe;
- case connection_aborted:
- return std::errc::connection_aborted;
- case connection_refused:
- return std::errc::connection_refused;
- case connection_reset:
- return std::errc::connection_reset;
- case bad_descriptor:
- return std::errc::bad_file_descriptor;
- case fault:
- return std::errc::bad_address;
- case host_unreachable:
- return std::errc::host_unreachable;
- case in_progress:
- return std::errc::operation_in_progress;
- case interrupted:
- return std::errc::interrupted;
- case invalid_argument:
- return std::errc::invalid_argument;
- case message_size:
- return std::errc::message_size;
- case name_too_long:
- return std::errc::filename_too_long;
- case network_down:
- return std::errc::network_down;
- case network_reset:
- return std::errc::network_reset;
- case network_unreachable:
- return std::errc::network_unreachable;
- case no_descriptors:
- return std::errc::too_many_files_open;
- case no_buffer_space:
- return std::errc::no_buffer_space;
- case no_memory:
- return std::errc::not_enough_memory;
- case no_permission:
- return std::errc::operation_not_permitted;
- case no_protocol_option:
- return std::errc::no_protocol_option;
- case no_such_device:
- return std::errc::no_such_device;
- case not_connected:
- return std::errc::not_connected;
- case not_socket:
- return std::errc::not_a_socket;
- case operation_aborted:
- return std::errc::operation_canceled;
- case operation_not_supported:
- return std::errc::operation_not_supported;
- case shut_down:
- return std::make_error_condition(ev, *this);
- case timed_out:
- return std::errc::timed_out;
- case try_again:
- return std::errc::resource_unavailable_try_again;
- case would_block:
- return std::errc::operation_would_block;
- default:
- return std::make_error_condition(ev, *this);
- }
-#endif // defined(ASIO_HAS_STD_ERROR_CODE)
-
-private:
- // Helper function to adapt the result from glibc's variant of strerror_r.
- static const char* strerror_result(int, const char* s) { return s; }
- static const char* strerror_result(const char* s, const char*) { return s; }
-};
-
-} // namespace detail
-
-const error_category& system_category()
-{
- static detail::system_category instance;
- return instance;
-}
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_IMPL_ERROR_CODE_IPP