error::Code ErrnoToCode()

in tensorflow/tensorflow/core/platform/posix/error.cc [26:171]

• 143 lines of code
• 92 McCabe index (conditional complexity)

error::Code ErrnoToCode(int err_number) {
  error::Code code;
  switch (err_number) {
    case 0:
      code = error::OK;
      break;
    case EINVAL:        // Invalid argument
    case ENAMETOOLONG:  // Filename too long
    case E2BIG:         // Argument list too long
    case EDESTADDRREQ:  // Destination address required
    case EDOM:          // Mathematics argument out of domain of function
    case EFAULT:        // Bad address
    case EILSEQ:        // Illegal byte sequence
    case ENOPROTOOPT:   // Protocol not available
    case ENOSTR:        // Not a STREAM
    case ENOTSOCK:      // Not a socket
    case ENOTTY:        // Inappropriate I/O control operation
    case EPROTOTYPE:    // Protocol wrong type for socket
    case ESPIPE:        // Invalid seek
      code = error::INVALID_ARGUMENT;
      break;
    case ETIMEDOUT:  // Connection timed out
    case ETIME:      // Timer expired
      code = error::DEADLINE_EXCEEDED;
      break;
    case ENODEV:  // No such device
    case ENOENT:  // No such file or directory
    case ENXIO:   // No such device or address
    case ESRCH:   // No such process
      code = error::NOT_FOUND;
      break;
    case EEXIST:         // File exists
    case EADDRNOTAVAIL:  // Address not available
    case EALREADY:       // Connection already in progress
      code = error::ALREADY_EXISTS;
      break;
    case EPERM:   // Operation not permitted
    case EACCES:  // Permission denied
    case EROFS:   // Read only file system
      code = error::PERMISSION_DENIED;
      break;
    case ENOTEMPTY:   // Directory not empty
    case EISDIR:      // Is a directory
    case ENOTDIR:     // Not a directory
    case EADDRINUSE:  // Address already in use
    case EBADF:       // Invalid file descriptor
    case EBUSY:       // Device or resource busy
    case ECHILD:      // No child processes
    case EISCONN:     // Socket is connected
#if !defined(_WIN32) && !defined(__HAIKU__)
    case ENOTBLK:  // Block device required
#endif
    case ENOTCONN:  // The socket is not connected
    case EPIPE:     // Broken pipe
#if !defined(_WIN32)
    case ESHUTDOWN:  // Cannot send after transport endpoint shutdown
#endif
    case ETXTBSY:  // Text file busy
      code = error::FAILED_PRECONDITION;
      break;
    case ENOSPC:  // No space left on device
#if !defined(_WIN32)
    case EDQUOT:  // Disk quota exceeded
#endif
    case EMFILE:   // Too many open files
    case EMLINK:   // Too many links
    case ENFILE:   // Too many open files in system
    case ENOBUFS:  // No buffer space available
    case ENODATA:  // No message is available on the STREAM read queue
    case ENOMEM:   // Not enough space
    case ENOSR:    // No STREAM resources
#if !defined(_WIN32) && !defined(__HAIKU__)
    case EUSERS:  // Too many users
#endif
      code = error::RESOURCE_EXHAUSTED;
      break;
    case EFBIG:      // File too large
    case EOVERFLOW:  // Value too large to be stored in data type
    case ERANGE:     // Result too large
      code = error::OUT_OF_RANGE;
      break;
    case ENOSYS:        // Function not implemented
    case ENOTSUP:       // Operation not supported
    case EAFNOSUPPORT:  // Address family not supported
#if !defined(_WIN32)
    case EPFNOSUPPORT:  // Protocol family not supported
#endif
    case EPROTONOSUPPORT:  // Protocol not supported
#if !defined(_WIN32) && !defined(__HAIKU__)
    case ESOCKTNOSUPPORT:  // Socket type not supported
#endif
    case EXDEV:  // Improper link
      code = error::UNIMPLEMENTED;
      break;
    case EAGAIN:        // Resource temporarily unavailable
    case ECONNREFUSED:  // Connection refused
    case ECONNABORTED:  // Connection aborted
    case ECONNRESET:    // Connection reset
    case EINTR:         // Interrupted function call
#if !defined(_WIN32)
    case EHOSTDOWN:  // Host is down
#endif
    case EHOSTUNREACH:  // Host is unreachable
    case ENETDOWN:      // Network is down
    case ENETRESET:     // Connection aborted by network
    case ENETUNREACH:   // Network unreachable
    case ENOLCK:        // No locks available
    case ENOLINK:       // Link has been severed
#if !(defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || \
      defined(__HAIKU__))
    case ENONET:  // Machine is not on the network
#endif
      code = error::UNAVAILABLE;
      break;
    case EDEADLK:  // Resource deadlock avoided
#if !defined(_WIN32)
    case ESTALE:  // Stale file handle
#endif
      code = error::ABORTED;
      break;
    case ECANCELED:  // Operation cancelled
      code = error::CANCELLED;
      break;
    // NOTE: If you get any of the following (especially in a
    // reproducible way) and can propose a better mapping,
    // please email the owners about updating this mapping.
    case EBADMSG:      // Bad message
    case EIDRM:        // Identifier removed
    case EINPROGRESS:  // Operation in progress
    case EIO:          // I/O error
    case ELOOP:        // Too many levels of symbolic links
    case ENOEXEC:      // Exec format error
    case ENOMSG:       // No message of the desired type
    case EPROTO:       // Protocol error
#if !defined(_WIN32) && !defined(__HAIKU__)
    case EREMOTE:  // Object is remote
#endif
      code = error::UNKNOWN;
      break;
    default: {
      code = error::UNKNOWN;
      break;
    }
  }
  return code;
}