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- /***
- *dosmap.c - Maps OS errors to errno values
- *
- * Copyright (c) 1989-1997, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * _dosmaperr: Maps OS errors to errno values
- *
- *******************************************************************************/
-
- #ifndef _MAC
-
- #include <cruntime.h>
- #include <errno.h>
- #include <oscalls.h>
- #include <stdlib.h>
- #include <internal.h>
- #include <mtdll.h>
-
- /* This is the error table that defines the mapping between OS error
- codes and errno values */
-
- struct errentry {
- unsigned long oscode; /* OS return value */
- int errnocode; /* System V error code */
- };
-
- static struct errentry errtable[] = {
- { ERROR_INVALID_FUNCTION, EINVAL }, /* 1 */
- { ERROR_FILE_NOT_FOUND, ENOENT }, /* 2 */
- { ERROR_PATH_NOT_FOUND, ENOENT }, /* 3 */
- { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, /* 4 */
- { ERROR_ACCESS_DENIED, EACCES }, /* 5 */
- { ERROR_INVALID_HANDLE, EBADF }, /* 6 */
- { ERROR_ARENA_TRASHED, ENOMEM }, /* 7 */
- { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, /* 8 */
- { ERROR_INVALID_BLOCK, ENOMEM }, /* 9 */
- { ERROR_BAD_ENVIRONMENT, E2BIG }, /* 10 */
- { ERROR_BAD_FORMAT, ENOEXEC }, /* 11 */
- { ERROR_INVALID_ACCESS, EINVAL }, /* 12 */
- { ERROR_INVALID_DATA, EINVAL }, /* 13 */
- { ERROR_INVALID_DRIVE, ENOENT }, /* 15 */
- { ERROR_CURRENT_DIRECTORY, EACCES }, /* 16 */
- { ERROR_NOT_SAME_DEVICE, EXDEV }, /* 17 */
- { ERROR_NO_MORE_FILES, ENOENT }, /* 18 */
- { ERROR_LOCK_VIOLATION, EACCES }, /* 33 */
- { ERROR_BAD_NETPATH, ENOENT }, /* 53 */
- { ERROR_NETWORK_ACCESS_DENIED, EACCES }, /* 65 */
- { ERROR_BAD_NET_NAME, ENOENT }, /* 67 */
- { ERROR_FILE_EXISTS, EEXIST }, /* 80 */
- { ERROR_CANNOT_MAKE, EACCES }, /* 82 */
- { ERROR_FAIL_I24, EACCES }, /* 83 */
- { ERROR_INVALID_PARAMETER, EINVAL }, /* 87 */
- { ERROR_NO_PROC_SLOTS, EAGAIN }, /* 89 */
- { ERROR_DRIVE_LOCKED, EACCES }, /* 108 */
- { ERROR_BROKEN_PIPE, EPIPE }, /* 109 */
- { ERROR_DISK_FULL, ENOSPC }, /* 112 */
- { ERROR_INVALID_TARGET_HANDLE, EBADF }, /* 114 */
- { ERROR_INVALID_HANDLE, EINVAL }, /* 124 */
- { ERROR_WAIT_NO_CHILDREN, ECHILD }, /* 128 */
- { ERROR_CHILD_NOT_COMPLETE, ECHILD }, /* 129 */
- { ERROR_DIRECT_ACCESS_HANDLE, EBADF }, /* 130 */
- { ERROR_NEGATIVE_SEEK, EINVAL }, /* 131 */
- { ERROR_SEEK_ON_DEVICE, EACCES }, /* 132 */
- { ERROR_DIR_NOT_EMPTY, ENOTEMPTY }, /* 145 */
- { ERROR_NOT_LOCKED, EACCES }, /* 158 */
- { ERROR_BAD_PATHNAME, ENOENT }, /* 161 */
- { ERROR_MAX_THRDS_REACHED, EAGAIN }, /* 164 */
- { ERROR_LOCK_FAILED, EACCES }, /* 167 */
- { ERROR_ALREADY_EXISTS, EEXIST }, /* 183 */
- { ERROR_FILENAME_EXCED_RANGE, ENOENT }, /* 206 */
- { ERROR_NESTING_NOT_ALLOWED, EAGAIN }, /* 215 */
- { ERROR_NOT_ENOUGH_QUOTA, ENOMEM } /* 1816 */
- };
-
- /* size of the table */
- #define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0]))
-
- /* The following two constants must be the minimum and maximum
- values in the (contiguous) range of Exec Failure errors. */
- #define MIN_EXEC_ERROR ERROR_INVALID_STARTING_CODESEG
- #define MAX_EXEC_ERROR ERROR_INFLOOP_IN_RELOC_CHAIN
-
- /* These are the low and high value in the range of errors that are
- access violations */
- #define MIN_EACCES_RANGE ERROR_WRITE_PROTECT
- #define MAX_EACCES_RANGE ERROR_SHARING_BUFFER_EXCEEDED
-
-
- /***
- *void _dosmaperr(oserrno) - Map function number
- *
- *Purpose:
- * This function takes an OS error number, and maps it to the
- * corresponding errno value (based on UNIX System V values). The
- * OS error number is stored in _doserrno (and the mapped value is
- * stored in errno)
- *
- *Entry:
- * ULONG oserrno = OS error value
- *
- *Exit:
- * sets _doserrno and errno.
- *
- *Exceptions:
- *
- *******************************************************************************/
-
- void __cdecl _dosmaperr (
- unsigned long oserrno
- )
- {
- int i;
-
- _doserrno = oserrno; /* set _doserrno */
-
- /* check the table for the OS error code */
- for (i = 0; i < ERRTABLESIZE; ++i) {
- if (oserrno == errtable[i].oscode) {
- errno = errtable[i].errnocode;
- return;
- }
- }
-
- /* The error code wasn't in the table. We check for a range of */
- /* EACCES errors or exec failure errors (ENOEXEC). Otherwise */
- /* EINVAL is returned. */
-
- if (oserrno >= MIN_EACCES_RANGE && oserrno <= MAX_EACCES_RANGE)
- errno = EACCES;
- else if (oserrno >= MIN_EXEC_ERROR && oserrno <= MAX_EXEC_ERROR)
- errno = ENOEXEC;
- else
- errno = EINVAL;
- }
-
- #ifdef _MT
-
- /***
- *int * _errno() - return pointer to thread's errno
- *unsigned long * __doserrno() - return pointer to thread's _doserrno
- *
- *Purpose:
- * _errno() returns a pointer to the _terrno field in the current
- * thread's _tiddata structure.
- * __doserrno returns a pointer to the _tdoserrno field in the current
- * thread's _tiddata structure
- *
- *Entry:
- * None.
- *
- *Exit:
- * See above.
- *
- *Exceptions:
- *
- *******************************************************************************/
-
- int * __cdecl _errno(
- void
- )
- {
- return ( &(_getptd()->_terrno) );
- }
-
- unsigned long * __cdecl __doserrno(
- void
- )
- {
- return ( &(_getptd()->_tdoserrno) );
- }
-
- #endif /* _MT */
-
- #else /* _MAC */
-
-
- #include <cruntime.h>
- #include <errno.h>
- #include <internal.h>
- #include <stdlib.h>
- #include <macos\osutils.h>
- #include <macos\files.h>
- #include <macos\errors.h>
-
- /* This is the error table that defines the mapping between Mac and
- System V error values */
-
- struct errentry {
- short maccode; /* MAC return value */
- unsigned short errnocode; /* System V error code */
- };
-
-
- static struct errentry errtable[] = {
- { ioErr, EIO }, /*I/O error (bummers)*/
- { paramErr, ENOENT }, /*error in user parameter list */
- { dirFulErr, ENOSPC }, /*Directory full*/
- { dskFulErr, ENOSPC }, /*disk full*/
- { nsvErr, ENOENT }, /*no such volume*/
- { bdNamErr, EINVAL }, /*there may be no bad names in the final system!*/
- { fnOpnErr, EACCES }, /*File not open*/
- { eofErr, EINVAL }, /*End of file*/
- { posErr, EINVAL }, /*tried to position to before start of file (r/w)*/
- { mFulErr, ENOMEM }, /*memory full (open) or file won't fit (load)*/
- { tmfoErr, EMFILE }, /*too many files open*/
- { fnfErr, ENOENT }, /*File not found*/
- { wPrErr, EACCES }, /*diskette is write protected.*/
- { fLckdErr, EACCES }, /*file is locked*/
- { vLckdErr, EACCES }, /*volume is locked*/
- { fBsyErr, EACCES }, /*File is busy (delete)*/
- { dupFNErr, EEXIST }, /*duplicate filename (rename)*/
- { opWrErr, EACCES }, /*file already open with with write permission*/
- { rfNumErr, EINVAL }, /*refnum error*/
- { gfpErr, EINVAL }, /*get file position error*/
- { volOffLinErr, EINVAL }, /*volume not on line error (was Ejected)*/
- { permErr, EACCES }, /*permissions error (on file open)*/
- { volOnLinErr, EINVAL }, /*drive volume already on-line at MountVol*/
- { nsDrvErr, EINVAL }, /*no such drive (tried to mount a bad drive num)*/
- { noMacDskErr, EINVAL }, /*not a mac diskette (sig bytes are wrong)*/
- { extFSErr, EINVAL }, /*volume in question belongs to an external fs*/
- { fsRnErr, EINVAL }, /*file system internal error:during rename the old entry was deleted but could not be restored.*/
- { badMDBErr, EINVAL }, /*bad master directory block*/
- { wrPermErr, EACCES }, /*write permissions error*/
- { dirNFErr, ENOENT }, /*Directory not found*/
- { tmwdoErr, EMFILE }, /*No free WDCB available*/
- { badMovErr, EINVAL }, /*Move into offspring error*/
- { wrgVolTypErr, EINVAL }, /*Wrong volume type error [operation not supported for MFS]*/
- { volGoneErr, EINVAL }, /*Server volume has been disconnected.*/
- { fidNotFound, EBADF }, /*no file thread exists.*/
- { fidExists, EEXIST }, /*file id already exists*/
- { notAFileErr, EINVAL }, /*directory specified*/
- { diffVolErr, EINVAL }, /*files on different volumes*/
- { catChangedErr, EINVAL }, /*the catalog has been modified*/
- { desktopDamagedErr, EINVAL }, /*desktop database files are corrupted*/
- { sameFileErr, EINVAL }, /*can't exchange a file with itself*/
- { badFidErr, EBADF }, /*file id is dangling or doesn't match with the file number*/
- { afpRangeOverlap, EACCES }, /*locking error*/
- { afpRangeNotLocked, EACCES }, /*unlocking error*/
- { afpObjectTypeErr, EACCES }, /*file is a directory*/
- { afpAccessDenied, EACCES }, /*user does not have correct acces to the file*/
- };
-
- /* size of the table */
- #define ERRTABLESIZE (sizeof(errtable)/sizeof(errtable[0]))
-
-
- /***
- *void _dosmaperr(short macerrno) - Map function number
- *
- *Purpose:
- * This function takes a Mac error number, and maps it to
- * an System V error number. The short error number is
- * stored in _doserrno, while the System V error number
- * is stored in errno.
- *
- *Entry:
- * short macerrno = Mac error value
- *
- *Exit:
- * sets _macerrno and errno.
- *
- *Exceptions:
- *
- *******************************************************************************/
-
- void __cdecl _dosmaperr (
- short macerrno
- )
- {
- int i;
-
- _macerrno = macerrno; /* set _macerrno */
-
- /* check the table for the mac error code */
- for (i = 0; i < ERRTABLESIZE; ++i) {
- if (macerrno == errtable[i].maccode) {
- errno = errtable[i].errnocode;
- return;
- }
- }
-
- errno = EINVAL;
- }
-
- #endif /* _MAC */
-
-