#ifdef HAVE_CONFIG_H #include #endif #include /* Local mod: assumes _WIN32 is i386 and little-endian generic is 32-bit */ #if defined(_WIN32) || defined(__CYGWIN__) static uint32_t ntohl(uint32_t x) { /* could write VC++ inline assembler, but not worth it for now */ #if (defined(__i386) || defined(__x86_64)) && !defined(_MSC_VER) __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ "rorl $16,%0\n\t" /* swap words */ "xchgb %b0,%h0" /* swap higher bytes */ :"=q" (x) : "0" (x)); return x; #else return((x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24)); #endif } #else /* net is big-endian: little-endian hosts need byte-swap code */ #ifndef WORDS_BIGENDIAN /* #ifdef LITTLE_ENDIAN */ static uint32_t ntohl (uint32_t x) { return((x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24)); } #else #define ntohl(x) (x) #endif #endif #define htonl ntohl /********************************************************************* * RPC for the Windows NT Operating System * 1993 by Martin F. Gergeleit * Users may use, copy or modify RPC for the Windows NT Operating * System according to the Oracle copyright below. * * RPC for the Windows NT Operating System COMES WITH ABSOLUTELY NO * WARRANTY, NOR WILL I BE LIABLE FOR ANY DAMAGES INCURRED FROM THE * USE OF. USE ENTIRELY AT YOUR OWN RISK!!! *********************************************************************/ /* @(#)xdr_stdio.c 2.1 88/07/29 4.0 RPCSRC */ /* * xdr_stdio.c, XDR implementation on standard i/o file. * * Copyright (c) 2010, Oracle America, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the "Oracle America, Inc." nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This set of routines implements a XDR on a stdio stream. * XDR_ENCODE serializes onto the stream, XDR_DECODE de-serializes * from the stream. */ #if !defined(lint) && defined(SCCSIDS) static char sccsid[] = "@(#)xdr_stdio.c 1.16 87/08/11 Copyr 2010 Oracle America"; #endif #include #include #include static bool_t xdrstdio_getlong(XDR *, int32_t *); static bool_t xdrstdio_putlong(XDR *, int32_t *); static bool_t xdrstdio_getbytes(XDR *, caddr_t, u_int); static bool_t xdrstdio_putbytes(XDR *, caddr_t, u_int); static u_int xdrstdio_getpos(XDR *); static bool_t xdrstdio_setpos(XDR *, u_int); static long * xdrstdio_inline(XDR *, u_int); static void xdrstdio_destroy(XDR *); /* * Ops vector for stdio type XDR */ static struct xdr_ops xdrstdio_ops = { xdrstdio_getlong, /* deserialize a long int */ xdrstdio_putlong, /* serialize a long int */ xdrstdio_getbytes, /* deserialize counted bytes */ xdrstdio_putbytes, /* serialize counted bytes */ xdrstdio_getpos, /* get offset in the stream */ xdrstdio_setpos, /* set offset in the stream */ xdrstdio_inline, /* prime stream for inline macros */ xdrstdio_destroy /* destroy stream */ }; /* * Initialize a stdio xdr stream. * Sets the xdr stream handle xdrs for use on the stream file. * Operation flag is set to op. */ void xdrstdio_create( register XDR *xdrs, FILE *file, enum xdr_op op) { xdrs->x_op = op; xdrs->x_ops = &xdrstdio_ops; xdrs->x_private = (caddr_t)file; xdrs->x_handy = 0; xdrs->x_base = 0; } /* * Destroy a stdio xdr stream. * Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create. */ static void xdrstdio_destroy( register XDR *xdrs) { if (xdrs->x_op == XDR_ENCODE) fflush((FILE *)xdrs->x_private); /* xx should we close the file ?? */ } static bool_t xdrstdio_getlong(XDR *xdrs, int32_t *lp) { if (fread((caddr_t)lp, 4, 1, (FILE *)xdrs->x_private) != 1) return (FALSE); *lp = ntohl(*lp); return (TRUE); } static bool_t xdrstdio_putlong(XDR *xdrs, int32_t *lp) { int32_t mycopy = htonl(*lp); lp = &mycopy; if (fwrite((caddr_t)lp, 4, 1, (FILE *)xdrs->x_private) != 1) return (FALSE); return (TRUE); } static bool_t xdrstdio_getbytes( XDR *xdrs, caddr_t addr, u_int len) { if ((len != 0) && (fread(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1)) return (FALSE); return (TRUE); } static bool_t xdrstdio_putbytes( XDR *xdrs, caddr_t addr, u_int len) { if ((len != 0) && (fwrite(addr, (int)len, 1, (FILE *)xdrs->x_private) != 1)) return (FALSE); return (TRUE); } static u_int xdrstdio_getpos( XDR *xdrs) { return ((u_int) ftell((FILE *)xdrs->x_private)); } static bool_t xdrstdio_setpos( XDR *xdrs, u_int pos) { return ((fseek((FILE *)xdrs->x_private, (long)pos, 0) < 0) ? FALSE : TRUE); } static long * xdrstdio_inline( XDR *xdrs, u_int len) { /* * Must do some work to implement this: must insure * enough data in the underlying stdio buffer, * that the buffer is aligned so that we can indirect through a * long *, and stuff this pointer in xdrs->x_buf. Doing * a fread or fwrite to a scratch buffer would defeat * most of the gains to be had here and require storage * management on this buffer, so we don't do this. */ return (NULL); }