diff options
Diffstat (limited to 'xlators/nfs/lib/src/xdr-common.h')
-rw-r--r-- | xlators/nfs/lib/src/xdr-common.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/xlators/nfs/lib/src/xdr-common.h b/xlators/nfs/lib/src/xdr-common.h new file mode 100644 index 00000000000..50a57ade932 --- /dev/null +++ b/xlators/nfs/lib/src/xdr-common.h @@ -0,0 +1,48 @@ +/* + Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#ifndef _XDR_COMMON_H_ +#define _XDR_COMMON_H_ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <rpc/rpc.h> +#define XDR_BYTES_PER_UNIT 4 + +/* Returns the address of the byte that follows the + * last byte used for decoding the previous xdr component. + * For eg, once the RPC call for NFS has been decoded, thie macro will return + * the address from which the NFS header starts. + */ +#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private) + +/* Returns the length of the remaining record after the previous decode + * operation completed. + */ +#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy) + +/* Returns the number of bytes used by the last encode operation. */ +#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)) + +#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base)) + +#endif |