1 //===- llvm/Support/Win32/system_error.inc - Windows error_code --*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file provides the Windows specific implementation of the error_code 11 // and error_condition classes. 12 // 13 //===----------------------------------------------------------------------===// 14 15 //===----------------------------------------------------------------------===// 16 //=== WARNING: Implementation here must contain only generic Windows code that 17 //=== is guaranteed to work on *all* Windows variants. 18 //===----------------------------------------------------------------------===// 19 20 #include <windows.h> 21 #include <winerror.h> 22 23 using namespace llvm; 24 25 std::string 26 _system_error_category::message(int ev) const { 27 LPVOID lpMsgBuf = 0; 28 DWORD retval = ::FormatMessageA( 29 FORMAT_MESSAGE_ALLOCATE_BUFFER | 30 FORMAT_MESSAGE_FROM_SYSTEM | 31 FORMAT_MESSAGE_IGNORE_INSERTS, 32 NULL, 33 ev, 34 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language 35 (LPSTR) &lpMsgBuf, 36 0, 37 NULL); 38 if (retval == 0) { 39 ::LocalFree(lpMsgBuf); 40 return std::string("Unknown error"); 41 } 42 43 std::string str( static_cast<LPCSTR>(lpMsgBuf) ); 44 ::LocalFree(lpMsgBuf); 45 46 while (str.size() 47 && (str[str.size()-1] == '\n' || str[str.size()-1] == '\r')) 48 str.erase( str.size()-1 ); 49 if (str.size() && str[str.size()-1] == '.') 50 str.erase( str.size()-1 ); 51 return str; 52 } 53 54 // I'd rather not double the line count of the following. 55 #define MAP_ERR_TO_COND(x, y) case x: return make_error_condition(errc::y) 56 57 error_condition 58 _system_error_category::default_error_condition(int ev) const { 59 switch (ev) { 60 MAP_ERR_TO_COND(0, success); 61 // Windows system -> posix_errno decode table ---------------------------// 62 // see WinError.h comments for descriptions of errors 63 MAP_ERR_TO_COND(ERROR_ACCESS_DENIED, permission_denied); 64 MAP_ERR_TO_COND(ERROR_ALREADY_EXISTS, file_exists); 65 MAP_ERR_TO_COND(ERROR_BAD_UNIT, no_such_device); 66 MAP_ERR_TO_COND(ERROR_BUFFER_OVERFLOW, filename_too_long); 67 MAP_ERR_TO_COND(ERROR_BUSY, device_or_resource_busy); 68 MAP_ERR_TO_COND(ERROR_BUSY_DRIVE, device_or_resource_busy); 69 MAP_ERR_TO_COND(ERROR_CANNOT_MAKE, permission_denied); 70 MAP_ERR_TO_COND(ERROR_CANTOPEN, io_error); 71 MAP_ERR_TO_COND(ERROR_CANTREAD, io_error); 72 MAP_ERR_TO_COND(ERROR_CANTWRITE, io_error); 73 MAP_ERR_TO_COND(ERROR_CURRENT_DIRECTORY, permission_denied); 74 MAP_ERR_TO_COND(ERROR_DEV_NOT_EXIST, no_such_device); 75 MAP_ERR_TO_COND(ERROR_DEVICE_IN_USE, device_or_resource_busy); 76 MAP_ERR_TO_COND(ERROR_DIR_NOT_EMPTY, directory_not_empty); 77 MAP_ERR_TO_COND(ERROR_DIRECTORY, invalid_argument); 78 MAP_ERR_TO_COND(ERROR_DISK_FULL, no_space_on_device); 79 MAP_ERR_TO_COND(ERROR_FILE_EXISTS, file_exists); 80 MAP_ERR_TO_COND(ERROR_FILE_NOT_FOUND, no_such_file_or_directory); 81 MAP_ERR_TO_COND(ERROR_HANDLE_DISK_FULL, no_space_on_device); 82 MAP_ERR_TO_COND(ERROR_HANDLE_EOF, value_too_large); 83 MAP_ERR_TO_COND(ERROR_INVALID_ACCESS, permission_denied); 84 MAP_ERR_TO_COND(ERROR_INVALID_DRIVE, no_such_device); 85 MAP_ERR_TO_COND(ERROR_INVALID_FUNCTION, function_not_supported); 86 MAP_ERR_TO_COND(ERROR_INVALID_HANDLE, invalid_argument); 87 MAP_ERR_TO_COND(ERROR_INVALID_NAME, invalid_argument); 88 MAP_ERR_TO_COND(ERROR_LOCK_VIOLATION, no_lock_available); 89 MAP_ERR_TO_COND(ERROR_LOCKED, no_lock_available); 90 MAP_ERR_TO_COND(ERROR_NEGATIVE_SEEK, invalid_argument); 91 MAP_ERR_TO_COND(ERROR_NOACCESS, permission_denied); 92 MAP_ERR_TO_COND(ERROR_NOT_ENOUGH_MEMORY, not_enough_memory); 93 MAP_ERR_TO_COND(ERROR_NOT_READY, resource_unavailable_try_again); 94 MAP_ERR_TO_COND(ERROR_NOT_SAME_DEVICE, cross_device_link); 95 MAP_ERR_TO_COND(ERROR_OPEN_FAILED, io_error); 96 MAP_ERR_TO_COND(ERROR_OPEN_FILES, device_or_resource_busy); 97 MAP_ERR_TO_COND(ERROR_OPERATION_ABORTED, operation_canceled); 98 MAP_ERR_TO_COND(ERROR_OUTOFMEMORY, not_enough_memory); 99 MAP_ERR_TO_COND(ERROR_PATH_NOT_FOUND, no_such_file_or_directory); 100 MAP_ERR_TO_COND(ERROR_BAD_NETPATH, no_such_file_or_directory); 101 MAP_ERR_TO_COND(ERROR_READ_FAULT, io_error); 102 MAP_ERR_TO_COND(ERROR_RETRY, resource_unavailable_try_again); 103 MAP_ERR_TO_COND(ERROR_SEEK, io_error); 104 MAP_ERR_TO_COND(ERROR_SHARING_VIOLATION, permission_denied); 105 MAP_ERR_TO_COND(ERROR_TOO_MANY_OPEN_FILES, too_many_files_open); 106 MAP_ERR_TO_COND(ERROR_WRITE_FAULT, io_error); 107 MAP_ERR_TO_COND(ERROR_WRITE_PROTECT, permission_denied); 108 MAP_ERR_TO_COND(ERROR_SEM_TIMEOUT, timed_out); 109 MAP_ERR_TO_COND(WSAEACCES, permission_denied); 110 MAP_ERR_TO_COND(WSAEADDRINUSE, address_in_use); 111 MAP_ERR_TO_COND(WSAEADDRNOTAVAIL, address_not_available); 112 MAP_ERR_TO_COND(WSAEAFNOSUPPORT, address_family_not_supported); 113 MAP_ERR_TO_COND(WSAEALREADY, connection_already_in_progress); 114 MAP_ERR_TO_COND(WSAEBADF, bad_file_descriptor); 115 MAP_ERR_TO_COND(WSAECONNABORTED, connection_aborted); 116 MAP_ERR_TO_COND(WSAECONNREFUSED, connection_refused); 117 MAP_ERR_TO_COND(WSAECONNRESET, connection_reset); 118 MAP_ERR_TO_COND(WSAEDESTADDRREQ, destination_address_required); 119 MAP_ERR_TO_COND(WSAEFAULT, bad_address); 120 MAP_ERR_TO_COND(WSAEHOSTUNREACH, host_unreachable); 121 MAP_ERR_TO_COND(WSAEINPROGRESS, operation_in_progress); 122 MAP_ERR_TO_COND(WSAEINTR, interrupted); 123 MAP_ERR_TO_COND(WSAEINVAL, invalid_argument); 124 MAP_ERR_TO_COND(WSAEISCONN, already_connected); 125 MAP_ERR_TO_COND(WSAEMFILE, too_many_files_open); 126 MAP_ERR_TO_COND(WSAEMSGSIZE, message_size); 127 MAP_ERR_TO_COND(WSAENAMETOOLONG, filename_too_long); 128 MAP_ERR_TO_COND(WSAENETDOWN, network_down); 129 MAP_ERR_TO_COND(WSAENETRESET, network_reset); 130 MAP_ERR_TO_COND(WSAENETUNREACH, network_unreachable); 131 MAP_ERR_TO_COND(WSAENOBUFS, no_buffer_space); 132 MAP_ERR_TO_COND(WSAENOPROTOOPT, no_protocol_option); 133 MAP_ERR_TO_COND(WSAENOTCONN, not_connected); 134 MAP_ERR_TO_COND(WSAENOTSOCK, not_a_socket); 135 MAP_ERR_TO_COND(WSAEOPNOTSUPP, operation_not_supported); 136 MAP_ERR_TO_COND(WSAEPROTONOSUPPORT, protocol_not_supported); 137 MAP_ERR_TO_COND(WSAEPROTOTYPE, wrong_protocol_type); 138 MAP_ERR_TO_COND(WSAETIMEDOUT, timed_out); 139 MAP_ERR_TO_COND(WSAEWOULDBLOCK, operation_would_block); 140 default: return error_condition(ev, system_category()); 141 } 142 } 143
