132 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.6 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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| /*
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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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| 
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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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| 
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| #include "xdr_private.h"
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| 
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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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| 
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| #if defined(__IEEE_LITTLE_ENDIAN) || defined(__IEEE_BIG_ENDIAN)
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| 
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| bool_t
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| xdr_float (XDR * xdrs,
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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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| 
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|     case XDR_ENCODE:
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|       return (XDR_PUTINT32 (xdrs, (int32_t *) fp));
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| 
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|     case XDR_DECODE:
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|       return (XDR_GETINT32 (xdrs, (int32_t *) fp));
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| 
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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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| 
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| #if !defined(_DOUBLE_IS_32BITS)
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| bool_t
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| xdr_double (XDR * xdrs,
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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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| 
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|   switch (xdrs->x_op)
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|     {
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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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| 
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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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| 
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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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| 
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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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| 
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