1218885Sdim//===- llvm/Support/Win32/system_error.inc - Windows error_code --*- C++ -*-===// 2218885Sdim// 3218885Sdim// The LLVM Compiler Infrastructure 4218885Sdim// 5218885Sdim// This file is distributed under the University of Illinois Open Source 6218885Sdim// License. See LICENSE.TXT for details. 7218885Sdim// 8218885Sdim//===----------------------------------------------------------------------===// 9218885Sdim// 10218885Sdim// This file provides the Windows specific implementation of the error_code 11218885Sdim// and error_condition classes. 12218885Sdim// 13218885Sdim//===----------------------------------------------------------------------===// 14218885Sdim 15218885Sdim//===----------------------------------------------------------------------===// 16218885Sdim//=== WARNING: Implementation here must contain only generic Windows code that 17218885Sdim//=== is guaranteed to work on *all* Windows variants. 18218885Sdim//===----------------------------------------------------------------------===// 19218885Sdim 20218885Sdim#include <windows.h> 21218885Sdim#include <winerror.h> 22218885Sdim 23218885Sdimusing namespace llvm; 24218885Sdim 25218885Sdimstd::string 26218885Sdim_system_error_category::message(int ev) const { 27218885Sdim LPVOID lpMsgBuf = 0; 28218885Sdim DWORD retval = ::FormatMessageA( 29218885Sdim FORMAT_MESSAGE_ALLOCATE_BUFFER | 30218885Sdim FORMAT_MESSAGE_FROM_SYSTEM | 31218885Sdim FORMAT_MESSAGE_IGNORE_INSERTS, 32218885Sdim NULL, 33218885Sdim ev, 34218885Sdim MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language 35218885Sdim (LPSTR) &lpMsgBuf, 36218885Sdim 0, 37218885Sdim NULL); 38218885Sdim if (retval == 0) { 39218885Sdim ::LocalFree(lpMsgBuf); 40218885Sdim return std::string("Unknown error"); 41218885Sdim } 42218885Sdim 43218885Sdim std::string str( static_cast<LPCSTR>(lpMsgBuf) ); 44218885Sdim ::LocalFree(lpMsgBuf); 45218885Sdim 46218885Sdim while (str.size() 47218885Sdim && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r')) 48218885Sdim str.erase( str.size()-1 ); 49218885Sdim if (str.size() && str[str.size()-1] == '.') 50218885Sdim str.erase( str.size()-1 ); 51218885Sdim return str; 52218885Sdim} 53218885Sdim 54218885Sdim// I'd rather not double the line count of the following. 55218885Sdim#define MAP_ERR_TO_COND(x, y) case x: return make_error_condition(errc::y) 56218885Sdim 57218885Sdimerror_condition 58218885Sdim_system_error_category::default_error_condition(int ev) const { 59218885Sdim switch (ev) { 60218885Sdim MAP_ERR_TO_COND(0, success); 61218885Sdim // Windows system -> posix_errno decode table ---------------------------// 62218885Sdim // see WinError.h comments for descriptions of errors 63218885Sdim MAP_ERR_TO_COND(ERROR_ACCESS_DENIED, permission_denied); 64218885Sdim MAP_ERR_TO_COND(ERROR_ALREADY_EXISTS, file_exists); 65218885Sdim MAP_ERR_TO_COND(ERROR_BAD_UNIT, no_such_device); 66218885Sdim MAP_ERR_TO_COND(ERROR_BUFFER_OVERFLOW, filename_too_long); 67218885Sdim MAP_ERR_TO_COND(ERROR_BUSY, device_or_resource_busy); 68218885Sdim MAP_ERR_TO_COND(ERROR_BUSY_DRIVE, device_or_resource_busy); 69218885Sdim MAP_ERR_TO_COND(ERROR_CANNOT_MAKE, permission_denied); 70218885Sdim MAP_ERR_TO_COND(ERROR_CANTOPEN, io_error); 71218885Sdim MAP_ERR_TO_COND(ERROR_CANTREAD, io_error); 72218885Sdim MAP_ERR_TO_COND(ERROR_CANTWRITE, io_error); 73218885Sdim MAP_ERR_TO_COND(ERROR_CURRENT_DIRECTORY, permission_denied); 74218885Sdim MAP_ERR_TO_COND(ERROR_DEV_NOT_EXIST, no_such_device); 75218885Sdim MAP_ERR_TO_COND(ERROR_DEVICE_IN_USE, device_or_resource_busy); 76218885Sdim MAP_ERR_TO_COND(ERROR_DIR_NOT_EMPTY, directory_not_empty); 77218885Sdim MAP_ERR_TO_COND(ERROR_DIRECTORY, invalid_argument); 78218885Sdim MAP_ERR_TO_COND(ERROR_DISK_FULL, no_space_on_device); 79218885Sdim MAP_ERR_TO_COND(ERROR_FILE_EXISTS, file_exists); 80218885Sdim MAP_ERR_TO_COND(ERROR_FILE_NOT_FOUND, no_such_file_or_directory); 81218885Sdim MAP_ERR_TO_COND(ERROR_HANDLE_DISK_FULL, no_space_on_device); 82218885Sdim MAP_ERR_TO_COND(ERROR_HANDLE_EOF, value_too_large); 83218885Sdim MAP_ERR_TO_COND(ERROR_INVALID_ACCESS, permission_denied); 84218885Sdim MAP_ERR_TO_COND(ERROR_INVALID_DRIVE, no_such_device); 85218885Sdim MAP_ERR_TO_COND(ERROR_INVALID_FUNCTION, function_not_supported); 86218885Sdim MAP_ERR_TO_COND(ERROR_INVALID_HANDLE, invalid_argument); 87218885Sdim MAP_ERR_TO_COND(ERROR_INVALID_NAME, invalid_argument); 88218885Sdim MAP_ERR_TO_COND(ERROR_LOCK_VIOLATION, no_lock_available); 89218885Sdim MAP_ERR_TO_COND(ERROR_LOCKED, no_lock_available); 90218885Sdim MAP_ERR_TO_COND(ERROR_NEGATIVE_SEEK, invalid_argument); 91218885Sdim MAP_ERR_TO_COND(ERROR_NOACCESS, permission_denied); 92218885Sdim MAP_ERR_TO_COND(ERROR_NOT_ENOUGH_MEMORY, not_enough_memory); 93218885Sdim MAP_ERR_TO_COND(ERROR_NOT_READY, resource_unavailable_try_again); 94218885Sdim MAP_ERR_TO_COND(ERROR_NOT_SAME_DEVICE, cross_device_link); 95218885Sdim MAP_ERR_TO_COND(ERROR_OPEN_FAILED, io_error); 96218885Sdim MAP_ERR_TO_COND(ERROR_OPEN_FILES, device_or_resource_busy); 97218885Sdim MAP_ERR_TO_COND(ERROR_OPERATION_ABORTED, operation_canceled); 98218885Sdim MAP_ERR_TO_COND(ERROR_OUTOFMEMORY, not_enough_memory); 99218885Sdim MAP_ERR_TO_COND(ERROR_PATH_NOT_FOUND, no_such_file_or_directory); 100218885Sdim MAP_ERR_TO_COND(ERROR_BAD_NETPATH, no_such_file_or_directory); 101218885Sdim MAP_ERR_TO_COND(ERROR_READ_FAULT, io_error); 102218885Sdim MAP_ERR_TO_COND(ERROR_RETRY, resource_unavailable_try_again); 103218885Sdim MAP_ERR_TO_COND(ERROR_SEEK, io_error); 104218885Sdim MAP_ERR_TO_COND(ERROR_SHARING_VIOLATION, permission_denied); 105218885Sdim MAP_ERR_TO_COND(ERROR_TOO_MANY_OPEN_FILES, too_many_files_open); 106218885Sdim MAP_ERR_TO_COND(ERROR_WRITE_FAULT, io_error); 107218885Sdim MAP_ERR_TO_COND(ERROR_WRITE_PROTECT, permission_denied); 108218885Sdim MAP_ERR_TO_COND(ERROR_SEM_TIMEOUT, timed_out); 109218885Sdim MAP_ERR_TO_COND(WSAEACCES, permission_denied); 110218885Sdim MAP_ERR_TO_COND(WSAEADDRINUSE, address_in_use); 111218885Sdim MAP_ERR_TO_COND(WSAEADDRNOTAVAIL, address_not_available); 112218885Sdim MAP_ERR_TO_COND(WSAEAFNOSUPPORT, address_family_not_supported); 113218885Sdim MAP_ERR_TO_COND(WSAEALREADY, connection_already_in_progress); 114218885Sdim MAP_ERR_TO_COND(WSAEBADF, bad_file_descriptor); 115218885Sdim MAP_ERR_TO_COND(WSAECONNABORTED, connection_aborted); 116218885Sdim MAP_ERR_TO_COND(WSAECONNREFUSED, connection_refused); 117218885Sdim MAP_ERR_TO_COND(WSAECONNRESET, connection_reset); 118218885Sdim MAP_ERR_TO_COND(WSAEDESTADDRREQ, destination_address_required); 119218885Sdim MAP_ERR_TO_COND(WSAEFAULT, bad_address); 120218885Sdim MAP_ERR_TO_COND(WSAEHOSTUNREACH, host_unreachable); 121218885Sdim MAP_ERR_TO_COND(WSAEINPROGRESS, operation_in_progress); 122218885Sdim MAP_ERR_TO_COND(WSAEINTR, interrupted); 123218885Sdim MAP_ERR_TO_COND(WSAEINVAL, invalid_argument); 124218885Sdim MAP_ERR_TO_COND(WSAEISCONN, already_connected); 125218885Sdim MAP_ERR_TO_COND(WSAEMFILE, too_many_files_open); 126218885Sdim MAP_ERR_TO_COND(WSAEMSGSIZE, message_size); 127218885Sdim MAP_ERR_TO_COND(WSAENAMETOOLONG, filename_too_long); 128218885Sdim MAP_ERR_TO_COND(WSAENETDOWN, network_down); 129218885Sdim MAP_ERR_TO_COND(WSAENETRESET, network_reset); 130218885Sdim MAP_ERR_TO_COND(WSAENETUNREACH, network_unreachable); 131218885Sdim MAP_ERR_TO_COND(WSAENOBUFS, no_buffer_space); 132218885Sdim MAP_ERR_TO_COND(WSAENOPROTOOPT, no_protocol_option); 133218885Sdim MAP_ERR_TO_COND(WSAENOTCONN, not_connected); 134218885Sdim MAP_ERR_TO_COND(WSAENOTSOCK, not_a_socket); 135218885Sdim MAP_ERR_TO_COND(WSAEOPNOTSUPP, operation_not_supported); 136218885Sdim MAP_ERR_TO_COND(WSAEPROTONOSUPPORT, protocol_not_supported); 137218885Sdim MAP_ERR_TO_COND(WSAEPROTOTYPE, wrong_protocol_type); 138218885Sdim MAP_ERR_TO_COND(WSAETIMEDOUT, timed_out); 139218885Sdim MAP_ERR_TO_COND(WSAEWOULDBLOCK, operation_would_block); 140218885Sdim default: return error_condition(ev, system_category()); 141218885Sdim } 142218885Sdim} 143