From f15aa3a552022743398a652165d76bf912c715e5 Mon Sep 17 00:00:00 2001 From: Guillaume Cottenceau Date: Mon, 14 May 2001 13:47:49 +0000 Subject: Initial revision --- mdk-stage1/dietlibc/librpc/xdr_mem.c | 180 +++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 mdk-stage1/dietlibc/librpc/xdr_mem.c (limited to 'mdk-stage1/dietlibc/librpc/xdr_mem.c') diff --git a/mdk-stage1/dietlibc/librpc/xdr_mem.c b/mdk-stage1/dietlibc/librpc/xdr_mem.c new file mode 100644 index 000000000..755f6abf1 --- /dev/null +++ b/mdk-stage1/dietlibc/librpc/xdr_mem.c @@ -0,0 +1,180 @@ +/* @(#)xdr_mem.c 2.1 88/07/29 4.0 RPCSRC */ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +#if !defined(lint) && defined(SCCSIDS) +static char sccsid[] = "@(#)xdr_mem.c 1.19 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * xdr_mem.h, XDR implementation using memory buffers. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * If you have some data to be interpreted as external data representation + * or to be converted to external data representation in a memory buffer, + * then this is the package for you. + * + */ + + +#include +#include +#include +#include + +static bool_t xdrmem_getlong(); +static bool_t xdrmem_putlong(); +static bool_t xdrmem_getbytes(); +static bool_t xdrmem_putbytes(); +static u_int xdrmem_getpos(); +static bool_t xdrmem_setpos(); +static int32_t *xdrmem_inline(); +static void xdrmem_destroy(); + +static struct xdr_ops xdrmem_ops = { + xdrmem_getlong, + xdrmem_putlong, + xdrmem_getbytes, + xdrmem_putbytes, + xdrmem_getpos, + xdrmem_setpos, + xdrmem_inline, + xdrmem_destroy +}; + +/* + * The procedure xdrmem_create initializes a stream descriptor for a + * memory buffer. + */ +void xdrmem_create(xdrs, addr, size, op) +register XDR *xdrs; +caddr_t addr; +u_int size; +enum xdr_op op; +{ + + xdrs->x_op = op; + xdrs->x_ops = &xdrmem_ops; + xdrs->x_private = xdrs->x_base = addr; + xdrs->x_handy = size; +} + +static void xdrmem_destroy( /*xdrs */ ) + /*XDR *xdrs; */ +{ +} + +static bool_t xdrmem_getlong(xdrs, lp) +register XDR *xdrs; +long *lp; +{ + + if ((xdrs->x_handy -= sizeof(long)) < 0) + return (FALSE); + + *lp = (long) ntohl((u_long) (*((long *) (xdrs->x_private)))); + xdrs->x_private += sizeof(long); + + return (TRUE); +} + +static bool_t xdrmem_putlong(xdrs, lp) +register XDR *xdrs; +long *lp; +{ + + if ((xdrs->x_handy -= sizeof(long)) < 0) + return (FALSE); + + *(long *) xdrs->x_private = (long) htonl((u_long) (*lp)); + xdrs->x_private += sizeof(long); + + return (TRUE); +} + +static bool_t xdrmem_getbytes(xdrs, addr, len) +register XDR *xdrs; +caddr_t addr; +register u_int len; +{ + + if ((xdrs->x_handy -= len) < 0) + return (FALSE); + bcopy(xdrs->x_private, addr, len); + xdrs->x_private += len; + return (TRUE); +} + +static bool_t xdrmem_putbytes(xdrs, addr, len) +register XDR *xdrs; +caddr_t addr; +register u_int len; +{ + + if ((xdrs->x_handy -= len) < 0) + return (FALSE); + bcopy(addr, xdrs->x_private, len); + xdrs->x_private += len; + return (TRUE); +} + +static u_int xdrmem_getpos(xdrs) +register XDR *xdrs; +{ + + return ((u_int) xdrs->x_private - (u_int) xdrs->x_base); +} + +static bool_t xdrmem_setpos(xdrs, pos) +register XDR *xdrs; +u_int pos; +{ + register caddr_t newaddr = xdrs->x_base + pos; + register caddr_t lastaddr = xdrs->x_private + xdrs->x_handy; + + if ((long) newaddr > (long) lastaddr) + return (FALSE); + xdrs->x_private = newaddr; + xdrs->x_handy = (int) lastaddr - (int) newaddr; + return (TRUE); +} + +static int32_t *xdrmem_inline(xdrs, len) +register XDR *xdrs; +int len; +{ + int32_t *buf = 0; + + if (xdrs->x_handy >= len) { + xdrs->x_handy -= len; + buf = (int32_t *) xdrs->x_private; + xdrs->x_private += len; + } + return (buf); +} -- cgit v1.2.1