134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* xdr_float.c, Generic XDR routines implementation.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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* These are the "floating point" xdr routines used to (de)serialize
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* most common data items. See xdr.h for more info on the interface to
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* xdr.
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*/
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#include <sys/types.h>
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include "xdr_private.h"
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/*
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* NB: Not portable.
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* This routine works on machines with IEEE754 FP and Vaxen.
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* Assume that xdr_private.h arranges things so that one of
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* 1) __IEEE_LITTLE_ENDIAN
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* 2) __IEEE_BIG_ENDIAN
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* 3) __vax__
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* is #defined. Otherwise, expect errors.
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*/
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#ifndef XDR_FLOAT_C
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#define XDR_FLOAT_C
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#endif
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#if defined(__IEEE_LITTLE_ENDIAN) || defined(__IEEE_BIG_ENDIAN)
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bool_t
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_DEFUN (xdr_float, (xdrs, fp),
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XDR * xdrs _AND
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float *fp)
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{
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switch (xdrs->x_op)
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{
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case XDR_ENCODE:
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return (XDR_PUTINT32 (xdrs, (int32_t *) fp));
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case XDR_DECODE:
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return (XDR_GETINT32 (xdrs, (int32_t *) fp));
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case XDR_FREE:
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return TRUE;
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}
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return FALSE;
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}
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#if !defined(_DOUBLE_IS_32BITS)
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bool_t
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_DEFUN (xdr_double, (xdrs, dp),
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XDR * xdrs _AND
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double *dp)
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{
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int32_t *i32p;
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bool_t rv;
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switch (xdrs->x_op)
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{
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case XDR_ENCODE:
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i32p = (int32_t *) (void *) dp;
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#if defined(__IEEE_BIG_ENDIAN)
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rv = XDR_PUTINT32 (xdrs, i32p);
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if (!rv)
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return (rv);
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rv = XDR_PUTINT32 (xdrs, i32p + 1);
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#else /* must be __IEEE_LITTLE_ENDIAN */
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rv = XDR_PUTINT32 (xdrs, i32p + 1);
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if (!rv)
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return (rv);
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rv = XDR_PUTINT32 (xdrs, i32p);
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#endif /* __IEEE_LITTLE_ENDIAN */
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return (rv);
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case XDR_DECODE:
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i32p = (int32_t *) (void *) dp;
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#if defined(__IEEE_BIG_ENDIAN)
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rv = XDR_GETINT32 (xdrs, i32p);
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if (!rv)
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return (rv);
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rv = XDR_GETINT32 (xdrs, i32p + 1);
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#else /* must be __IEEE_LITTLE_ENDIAN */
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rv = XDR_GETINT32 (xdrs, i32p + 1);
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if (!rv)
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return (rv);
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rv = XDR_GETINT32 (xdrs, i32p);
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#endif /* __IEEE_LITTLE_ENDIAN */
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return (rv);
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case XDR_FREE:
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return TRUE;
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}
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return FALSE;
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}
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#endif /* !_DOUBLE_IS_32BITS */
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#elif defined(__vax__)
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#include "xdr_float_vax.c"
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#endif
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