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1.1 ! root 1: // This is a part of the Microsoft Foundation Classes C++ library. ! 2: // Copyright (C) 1992 Microsoft Corporation ! 3: // All rights reserved. ! 4: // ! 5: // This source code is only intended as a supplement to the ! 6: // Microsoft Foundation Classes Reference and Microsoft ! 7: // QuickHelp documentation provided with the library. ! 8: // See these sources for detailed information regarding the ! 9: // Microsoft Foundation Classes product. ! 10: ! 11: #include "afx.h" ! 12: ! 13: #pragma hdrstop ! 14: ! 15: #include <errno.h> ! 16: ! 17: #ifdef AFX_AUX_SEG ! 18: #pragma code_seg(AFX_AUX_SEG) ! 19: #endif ! 20: ! 21: #ifdef _DEBUG ! 22: #undef THIS_FILE ! 23: static char BASED_CODE THIS_FILE[] = __FILE__; ! 24: #endif ! 25: ! 26: #ifdef _DEBUG ! 27: ! 28: // character strings to use for dumping CFileException ! 29: static char BASED_CODE szNone[] = "none"; ! 30: static char BASED_CODE szGeneric[] = "generic"; ! 31: static char BASED_CODE szFileNotFound[] = "fileNotFound"; ! 32: static char BASED_CODE szBadPath[] = "badPath"; ! 33: static char BASED_CODE szTooManyOpenFiles[] = "tooManyOpenFiles"; ! 34: static char BASED_CODE szAccessDenied[] = "accessDenied"; ! 35: static char BASED_CODE szInvalidFile[] = "invalidFile"; ! 36: static char BASED_CODE szRemoveCurrentDir[] = "removeCurrentDir"; ! 37: static char BASED_CODE szDirectoryFull[] = "directoryFull"; ! 38: static char BASED_CODE szBadSeek[] = "badSeek"; ! 39: static char BASED_CODE szHardIO[] = "hardIO"; ! 40: static char BASED_CODE szSharingViolation[] = "sharingViolation"; ! 41: static char BASED_CODE szLockViolation[] = "lockViolation"; ! 42: static char BASED_CODE szDiskFull[] = "diskFull"; ! 43: static char BASED_CODE szEndOfFile[] = "endOfFile"; ! 44: ! 45: static char FAR* BASED_CODE rgszCFileExceptionCause[] = ! 46: { ! 47: szNone, ! 48: szGeneric, ! 49: szFileNotFound, ! 50: szBadPath, ! 51: szTooManyOpenFiles, ! 52: szAccessDenied, ! 53: szInvalidFile, ! 54: szRemoveCurrentDir, ! 55: szDirectoryFull, ! 56: szBadSeek, ! 57: szHardIO, ! 58: szSharingViolation, ! 59: szLockViolation, ! 60: szDiskFull, ! 61: szEndOfFile, ! 62: }; ! 63: ! 64: static char BASED_CODE szUnknown[] = "unknown"; ! 65: #endif ! 66: ! 67: ///////////////////////////////////////////////////////////////////////////// ! 68: // CFileException ! 69: ! 70: IMPLEMENT_DYNAMIC(CFileException, CException) ! 71: ! 72: void ! 73: CFileException::ThrowOsError(LONG lOsError) ! 74: { ! 75: if (lOsError != 0) ! 76: AfxThrowFileException(CFileException::OsErrorToException(lOsError), ! 77: lOsError); ! 78: } ! 79: ! 80: void ! 81: CFileException::ThrowErrno(int nErrno) ! 82: { ! 83: if (nErrno != 0) ! 84: AfxThrowFileException(CFileException::ErrnoToException(nErrno), ! 85: _doserrno); ! 86: } ! 87: ! 88: ! 89: #ifdef _DEBUG ! 90: void ! 91: CFileException::Dump(CDumpContext& dc) const ! 92: { ! 93: CObject::Dump(dc); ! 94: dc << " m_cause = "; ! 95: ! 96: if (m_cause >= 0 && ! 97: m_cause < sizeof(rgszCFileExceptionCause) / sizeof(char FAR*)) ! 98: { ! 99: dc << rgszCFileExceptionCause[m_cause]; ! 100: } ! 101: else ! 102: { ! 103: dc << szUnknown; ! 104: } ! 105: dc << ", lOsError = " << m_lOsError; ! 106: } ! 107: #endif ! 108: ! 109: void ! 110: PASCAL AfxThrowFileException(int cause, LONG lOsError) ! 111: { ! 112: #ifdef _DEBUG ! 113: TRACE("CFile exception: "); ! 114: if (cause >= 0 && ! 115: cause < sizeof(rgszCFileExceptionCause) / sizeof(char FAR*)) ! 116: { ! 117: afxDump << (char FAR*)rgszCFileExceptionCause[cause]; ! 118: } ! 119: else ! 120: { ! 121: afxDump << (char FAR*)szUnknown; ! 122: } ! 123: afxDump << ", OS error information = " << (void FAR*)lOsError << "\n"; ! 124: #endif ! 125: THROW(new CFileException(cause, lOsError)); ! 126: } ! 127: ! 128: ! 129: int ! 130: CFileException::ErrnoToException(int nErrno) ! 131: { ! 132: switch(nErrno) ! 133: { ! 134: case EPERM: ! 135: case EACCES: ! 136: return CFileException::accessDenied; ! 137: case EBADF: return CFileException::invalidFile; ! 138: case EDEADLOCK: return CFileException::sharingViolation; ! 139: case EMFILE: return CFileException::tooManyOpenFiles; ! 140: case ENOENT: ! 141: case ENFILE: ! 142: return CFileException::fileNotFound; ! 143: case ENOSPC: return CFileException::diskFull; ! 144: case EINVAL: ! 145: case EIO: return CFileException::hardIO; ! 146: default: ! 147: return CFileException::generic; ! 148: } ! 149: } ! 150: ! 151: ! 152: #ifdef _DOSWIN ! 153: int ! 154: CFileException::OsErrorToException(LONG lOsErr) ! 155: { ! 156: switch ((UINT)lOsErr) ! 157: { ! 158: // DOS Error codes ! 159: case 0x1: return CFileException::generic; ! 160: case 0x2: return CFileException::fileNotFound; ! 161: case 0x3: return CFileException::badPath; ! 162: case 0x4: return CFileException::tooManyOpenFiles; ! 163: case 0x5: return CFileException::accessDenied; ! 164: case 0x6: return CFileException::invalidFile; ! 165: case 0xf: return CFileException::badPath; ! 166: case 0x10: return CFileException::removeCurrentDir; ! 167: case 0x12: return CFileException::directoryFull; ! 168: case 0x19: return CFileException::badSeek; ! 169: case 0x1d: return CFileException::hardIO; ! 170: case 0x1e: return CFileException::hardIO; ! 171: case 0x1f: return CFileException::hardIO; ! 172: case 0x58: return CFileException::hardIO; ! 173: case 0x20: return CFileException::sharingViolation; ! 174: case 0x21: return CFileException::lockViolation; ! 175: case 0x23: return CFileException::tooManyOpenFiles; ! 176: case 0x24: return CFileException::sharingViolation; ! 177: case 0x41: return CFileException::accessDenied; ! 178: case 0x43: return CFileException::fileNotFound; ! 179: case 0x52: return CFileException::accessDenied; ! 180: default: return CFileException::generic; ! 181: } ! 182: } ! 183: #endif // _WINDOWS ! 184: ! 185: #ifdef _NTWIN ! 186: #include "winerror.h" ! 187: int ! 188: CFileException::OsErrorToException(LONG lOsErr) ! 189: { ! 190: switch ((UINT)lOsErr) ! 191: { ! 192: // NT Error codes ! 193: case NO_ERROR: return CFileException::none; ! 194: case ERROR_FILE_NOT_FOUND: return CFileException::fileNotFound; ! 195: case ERROR_PATH_NOT_FOUND: return CFileException::badPath; ! 196: case ERROR_TOO_MANY_OPEN_FILES: return CFileException::tooManyOpenFiles; ! 197: case ERROR_ACCESS_DENIED: return CFileException::accessDenied; ! 198: case ERROR_INVALID_HANDLE: return CFileException::fileNotFound; ! 199: case ERROR_BAD_FORMAT: return CFileException::invalidFile; ! 200: case ERROR_INVALID_ACCESS: return CFileException::accessDenied; ! 201: case ERROR_INVALID_DRIVE: return CFileException::badPath; ! 202: case ERROR_CURRENT_DIRECTORY: return CFileException::removeCurrentDir; ! 203: case ERROR_NOT_SAME_DEVICE: return CFileException::badPath; ! 204: case ERROR_NO_MORE_FILES: return CFileException::fileNotFound; ! 205: case ERROR_WRITE_PROTECT: return CFileException::accessDenied; ! 206: case ERROR_BAD_UNIT: return CFileException::hardIO; ! 207: case ERROR_NOT_READY: return CFileException::hardIO; ! 208: case ERROR_BAD_COMMAND: return CFileException::hardIO; ! 209: case ERROR_CRC: return CFileException::hardIO; ! 210: case ERROR_BAD_LENGTH: return CFileException::badSeek; ! 211: case ERROR_SEEK: return CFileException::badSeek; ! 212: case ERROR_NOT_DOS_DISK: return CFileException::invalidFile; ! 213: case ERROR_SECTOR_NOT_FOUND: return CFileException::badSeek; ! 214: case ERROR_WRITE_FAULT: return CFileException::accessDenied; ! 215: case ERROR_READ_FAULT: return CFileException::badSeek; ! 216: case ERROR_SHARING_VIOLATION: return CFileException::sharingViolation; ! 217: case ERROR_NOT_LOCKED: return CFileException::lockViolation; ! 218: case ERROR_LOCK_VIOLATION: return CFileException::lockViolation; ! 219: case ERROR_WRONG_DISK: return CFileException::badPath; ! 220: case ERROR_SHARING_BUFFER_EXCEEDED: return CFileException::tooManyOpenFiles; ! 221: case ERROR_HANDLE_EOF: return CFileException::endOfFile; ! 222: case ERROR_HANDLE_DISK_FULL: return CFileException::diskFull; ! 223: case ERROR_DUP_NAME: return CFileException::badPath; ! 224: case ERROR_BAD_NETPATH: return CFileException::badPath; ! 225: case ERROR_NETWORK_BUSY: return CFileException::accessDenied; ! 226: case ERROR_DEV_NOT_EXIST: return CFileException::badPath; ! 227: case ERROR_ADAP_HDW_ERR: return CFileException::hardIO; ! 228: case ERROR_BAD_NET_RESP: return CFileException::accessDenied; ! 229: case ERROR_UNEXP_NET_ERR: return CFileException::hardIO; ! 230: case ERROR_BAD_REM_ADAP: return CFileException::invalidFile; ! 231: case ERROR_NO_SPOOL_SPACE: return CFileException::directoryFull; ! 232: case ERROR_NETNAME_DELETED: return CFileException::accessDenied; ! 233: case ERROR_NETWORK_ACCESS_DENIED: return CFileException::accessDenied; ! 234: case ERROR_BAD_DEV_TYPE: return CFileException::invalidFile; ! 235: case ERROR_BAD_NET_NAME: return CFileException::badPath; ! 236: case ERROR_TOO_MANY_NAMES: return CFileException::tooManyOpenFiles; ! 237: case ERROR_SHARING_PAUSED: return CFileException::badPath; ! 238: case ERROR_REQ_NOT_ACCEP: return CFileException::accessDenied; ! 239: case ERROR_FILE_EXISTS: return CFileException::accessDenied; ! 240: case ERROR_CANNOT_MAKE: return CFileException::accessDenied; ! 241: case ERROR_ALREADY_ASSIGNED: return CFileException::badPath; ! 242: case ERROR_INVALID_PASSWORD: return CFileException::accessDenied; ! 243: case ERROR_NET_WRITE_FAULT: return CFileException::hardIO; ! 244: case ERROR_DISK_CHANGE: return CFileException::fileNotFound; ! 245: case ERROR_DRIVE_LOCKED: return CFileException::lockViolation; ! 246: case ERROR_BUFFER_OVERFLOW: return CFileException::badPath; ! 247: case ERROR_DISK_FULL: return CFileException::diskFull; ! 248: case ERROR_NO_MORE_SEARCH_HANDLES: return CFileException::tooManyOpenFiles; ! 249: case ERROR_INVALID_TARGET_HANDLE: return CFileException::invalidFile; ! 250: case ERROR_INVALID_CATEGORY: return CFileException::hardIO; ! 251: case ERROR_INVALID_NAME: return CFileException::badPath; ! 252: case ERROR_INVALID_LEVEL: return CFileException::badPath; ! 253: case ERROR_NO_VOLUME_LABEL: return CFileException::badPath; ! 254: case ERROR_NEGATIVE_SEEK: return CFileException::badSeek; ! 255: case ERROR_SEEK_ON_DEVICE: return CFileException::badSeek; ! 256: case ERROR_DIR_NOT_ROOT: return CFileException::badPath; ! 257: case ERROR_DIR_NOT_EMPTY: return CFileException::removeCurrentDir; ! 258: case ERROR_LABEL_TOO_LONG: return CFileException::badPath; ! 259: case ERROR_BAD_PATHNAME: return CFileException::badPath; ! 260: case ERROR_LOCK_FAILED: return CFileException::lockViolation; ! 261: case ERROR_BUSY: return CFileException::accessDenied; ! 262: case ERROR_INVALID_ORDINAL: return CFileException::invalidFile; ! 263: case ERROR_ALREADY_EXISTS: return CFileException::accessDenied; ! 264: case ERROR_INVALID_EXE_SIGNATURE: return CFileException::invalidFile; ! 265: case ERROR_BAD_EXE_FORMAT: return CFileException::invalidFile; ! 266: case ERROR_FILENAME_EXCED_RANGE: return CFileException::badPath; ! 267: case ERROR_META_EXPANSION_TOO_LONG: return CFileException::badPath; ! 268: case ERROR_DIRECTORY: return CFileException::badPath; ! 269: case ERROR_OPERATION_ABORTED: return CFileException::hardIO; ! 270: case ERROR_IO_INCOMPLETE: return CFileException::hardIO; ! 271: case ERROR_IO_PENDING: return CFileException::hardIO; ! 272: case ERROR_SWAPERROR: return CFileException::accessDenied; ! 273: default: return CFileException::generic; ! 274: } ! 275: } ! 276: #endif // _NTWIN ! 277: ! 278:
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