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[PATCH] RPC: Encode and decode arbitrary XDR arrays

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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
 Acked-by: Olaf Kirch <okir@suse.de>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andreas Gruenbacher
2005-06-22 17:16:24 +00:00
committed by Trond Myklebust
parent 7e06b53d79
commit bd8100e7ed
3 changed files with 275 additions and 4 deletions
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include/linux/sunrpc/xdr.h
+18 -1
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@@ -146,7 +146,8 @@ extern void xdr_shift_buf(struct xdr_buf *, size_t);
extern void xdr_buf_from_iov(struct kvec *, struct xdr_buf *);
extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, int, int);
extern int xdr_buf_read_netobj(struct xdr_buf *, struct xdr_netobj *, int);
extern int read_bytes_from_xdr_buf(struct xdr_buf *buf, int base, void *obj, int len);
extern int read_bytes_from_xdr_buf(struct xdr_buf *, int, void *, int);
extern int write_bytes_to_xdr_buf(struct xdr_buf *, int, void *, int);
/*
* Helper structure for copying from an sk_buff.
@@ -168,6 +169,22 @@ struct sockaddr;
extern int xdr_sendpages(struct socket *, struct sockaddr *, int,
struct xdr_buf *, unsigned int, int);
extern int xdr_encode_word(struct xdr_buf *, int, u32);
extern int xdr_decode_word(struct xdr_buf *, int, u32 *);
struct xdr_array2_desc;
typedef int (*xdr_xcode_elem_t)(struct xdr_array2_desc *desc, void *elem);
struct xdr_array2_desc {
unsigned int elem_size;
unsigned int array_len;
xdr_xcode_elem_t xcode;
};
extern int xdr_decode_array2(struct xdr_buf *buf, unsigned int base,
struct xdr_array2_desc *desc);
extern int xdr_encode_array2(struct xdr_buf *buf, unsigned int base,
struct xdr_array2_desc *desc);
/*
* Provide some simple tools for XDR buffer overflow-checking etc.
*/