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#if os(Windows)
import WinSDK
import SystemPackage
extension Errno {
public init(windowsError: DWORD) {
self.init(rawValue: _mapWindowsErrorToErrno(windowsError))
}
}
@usableFromInline
internal func _mapWindowsErrorToErrno(_ errorCode: DWORD) -> CInt {
switch Int32(errorCode) {
case ERROR_SUCCESS:
return 0
case ERROR_INVALID_FUNCTION,
ERROR_INVALID_ACCESS,
ERROR_INVALID_DATA,
ERROR_INVALID_PARAMETER,
ERROR_NEGATIVE_SEEK:
return EINVAL
case ERROR_FILE_NOT_FOUND,
ERROR_PATH_NOT_FOUND,
ERROR_INVALID_DRIVE,
ERROR_NO_MORE_FILES,
ERROR_BAD_NETPATH,
ERROR_BAD_NET_NAME,
ERROR_BAD_PATHNAME,
ERROR_FILENAME_EXCED_RANGE:
return ENOENT
case ERROR_TOO_MANY_OPEN_FILES:
return EMFILE
case ERROR_ACCESS_DENIED,
ERROR_CURRENT_DIRECTORY,
ERROR_LOCK_VIOLATION,
ERROR_NETWORK_ACCESS_DENIED,
ERROR_CANNOT_MAKE,
ERROR_FAIL_I24,
ERROR_DRIVE_LOCKED,
ERROR_SEEK_ON_DEVICE,
ERROR_NOT_LOCKED,
ERROR_LOCK_FAILED,
ERROR_WRITE_PROTECT...ERROR_SHARING_BUFFER_EXCEEDED:
return EACCES
case ERROR_INVALID_HANDLE,
ERROR_INVALID_TARGET_HANDLE,
ERROR_DIRECT_ACCESS_HANDLE:
return EBADF
case ERROR_ARENA_TRASHED,
ERROR_NOT_ENOUGH_MEMORY,
ERROR_INVALID_BLOCK,
ERROR_NOT_ENOUGH_QUOTA:
return ENOMEM
case ERROR_BAD_ENVIRONMENT:
return E2BIG
case ERROR_BAD_FORMAT,
ERROR_INVALID_STARTING_CODESEG...ERROR_INFLOOP_IN_RELOC_CHAIN:
return ENOEXEC
case ERROR_NOT_SAME_DEVICE:
return EXDEV
case ERROR_FILE_EXISTS,
ERROR_ALREADY_EXISTS:
return EEXIST
case ERROR_NO_PROC_SLOTS,
ERROR_MAX_THRDS_REACHED,
ERROR_NESTING_NOT_ALLOWED:
return EAGAIN
case ERROR_BROKEN_PIPE:
return EPIPE
case ERROR_DISK_FULL:
return ENOSPC
case ERROR_WAIT_NO_CHILDREN,
ERROR_CHILD_NOT_COMPLETE:
return ECHILD
case ERROR_DIR_NOT_EMPTY:
return ENOTEMPTY
case ERROR_NO_UNICODE_TRANSLATION:
return EILSEQ
default:
return EINVAL
}
}
#endif
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