diff options
Diffstat (limited to 'sunrpc/rpc/xdr.h')
| -rw-r--r-- | sunrpc/rpc/xdr.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sunrpc/rpc/xdr.h b/sunrpc/rpc/xdr.h index eecb1e14be..aa1c702757 100644 --- a/sunrpc/rpc/xdr.h +++ b/sunrpc/rpc/xdr.h @@ -39,6 +39,8 @@ #define __XDR_HEADER__ #include <features.h> +#include <sys/types.h> +#include <rpc/types.h> /* We need FILE. */ #include <stdio.h> @@ -91,8 +93,17 @@ enum xdr_op * This is the number of bytes per unit of external data. */ #define BYTES_PER_XDR_UNIT (4) +/* + * This only works if the above is a power of 2. But it's defined to be + * 4 by the appropriate RFCs. So it will work. And it's normally quicker + * than the old routine. + */ +#if 1 +#define RNDUP(x) (((x) + BYTES_PER_XDR_UNIT - 1) & ~(BYTES_PER_XDR_UNIT - 1)) +#else /* this is the old routine */ #define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \ * BYTES_PER_XDR_UNIT) +#endif /* * The XDR handle. @@ -108,7 +119,7 @@ struct XDR { bool_t (*x_getlong) __P ((XDR * __xdrs, long *__lp)); /* get a long from underlying stream */ - bool_t (*x_putlong) __P ((XDR * __xdrs, long *__lp)); + bool_t (*x_putlong) __P ((XDR * __xdrs, __const long *__lp)); /* put a long to " */ bool_t (*x_getbytes) __P ((XDR * __xdrs, caddr_t __addr, u_int __len)); /* get some bytes from " */ @@ -243,6 +254,9 @@ struct xdr_discrim /* * These are the "generic" xdr routines. + * None of these can have const applied because it's not possible to + * know whether the call is a read or a write to the passed parameter + * also, the XDR structure is always updated by some of these calls. */ extern bool_t xdr_void __P ((void)); extern bool_t xdr_int __P ((XDR * __xdrs, int *__ip)); @@ -294,8 +308,8 @@ extern bool_t xdr_netobj __P ((XDR * __xdrs, struct netobj * __np)); */ /* XDR using memory buffers */ -extern void xdrmem_create __P ((XDR * __xdrs, caddr_t __addr, u_int __size, - enum xdr_op __op)); +extern void xdrmem_create __P ((XDR * __xdrs, __const caddr_t __addr, + u_int __size, enum xdr_op __op)); /* XDR using stdio library */ extern void xdrstdio_create __P ((XDR * __xdrs, FILE * __file, |