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| 2 | /* |
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| 3 | * Copyright (c) 2009, Sun Microsystems, Inc. |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions are met: |
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| 8 | * - Redistributions of source code must retain the above copyright notice, |
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| 9 | * this list of conditions and the following disclaimer. |
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| 10 | * - Redistributions in binary form must reproduce the above copyright notice, |
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| 11 | * this list of conditions and the following disclaimer in the documentation |
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| 12 | * and/or other materials provided with the distribution. |
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| 13 | * - Neither the name of Sun Microsystems, Inc. nor the names of its |
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| 14 | * contributors may be used to endorse or promote products derived |
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| 15 | * from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 27 | * POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |
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| 30 | /* |
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| 31 | * xdr_float.c, Generic XDR routines implementation. |
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| 32 | * |
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| 33 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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| 34 | * |
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| 35 | * These are the "floating point" xdr routines used to (de)serialize |
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| 36 | * most common data items. See xdr.h for more info on the interface to |
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| 37 | * xdr. |
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| 38 | */ |
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| 39 | |
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| 40 | #include <sys/types.h> |
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| 41 | #include <rpc/types.h> |
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| 42 | #include <rpc/xdr.h> |
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| 43 | |
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| 44 | #include "xdr_private.h" |
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| 45 | |
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| 46 | /* |
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| 47 | * NB: Not portable. |
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| 48 | * This routine works on machines with IEEE754 FP and Vaxen. |
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| 49 | * Assume that xdr_private.h arranges things so that one of |
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| 50 | * 1) __IEEE_LITTLE_ENDIAN |
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| 51 | * 2) __IEEE_BIG_ENDIAN |
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| 52 | * 3) __vax__ |
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| 53 | * is #defined. Otherwise, expect errors. |
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| 54 | */ |
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| 55 | #ifndef XDR_FLOAT_C |
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| 56 | #define XDR_FLOAT_C |
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| 57 | #endif |
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| 58 | |
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| 59 | #if defined(__IEEE_LITTLE_ENDIAN) || defined(__IEEE_BIG_ENDIAN) |
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| 60 | |
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| 61 | bool_t |
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| 62 | xdr_float (XDR * xdrs, |
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| 63 | float *fp) |
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| 64 | { |
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| 65 | switch (xdrs->x_op) |
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| 66 | { |
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| 67 | |
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| 68 | case XDR_ENCODE: |
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| 69 | return (XDR_PUTINT32 (xdrs, (int32_t *) fp)); |
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| 70 | |
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| 71 | case XDR_DECODE: |
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| 72 | return (XDR_GETINT32 (xdrs, (int32_t *) fp)); |
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| 73 | |
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| 74 | case XDR_FREE: |
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| 75 | return TRUE; |
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| 76 | } |
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| 77 | return FALSE; |
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| 78 | } |
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| 79 | |
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| 80 | #if !defined(_DOUBLE_IS_32BITS) |
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| 81 | bool_t |
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| 82 | xdr_double (XDR * xdrs, |
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| 83 | double *dp) |
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| 84 | { |
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| 85 | int32_t *i32p; |
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| 86 | bool_t rv; |
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| 87 | |
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| 88 | switch (xdrs->x_op) |
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| 89 | { |
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| 90 | |
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| 91 | case XDR_ENCODE: |
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| 92 | i32p = (int32_t *) (void *) dp; |
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| 93 | #if defined(__IEEE_BIG_ENDIAN) |
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| 94 | rv = XDR_PUTINT32 (xdrs, i32p); |
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| 95 | if (!rv) |
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| 96 | return (rv); |
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| 97 | rv = XDR_PUTINT32 (xdrs, i32p + 1); |
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| 98 | #else /* must be __IEEE_LITTLE_ENDIAN */ |
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| 99 | rv = XDR_PUTINT32 (xdrs, i32p + 1); |
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| 100 | if (!rv) |
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| 101 | return (rv); |
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| 102 | rv = XDR_PUTINT32 (xdrs, i32p); |
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| 103 | #endif /* __IEEE_LITTLE_ENDIAN */ |
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| 104 | return (rv); |
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| 105 | |
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| 106 | case XDR_DECODE: |
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| 107 | i32p = (int32_t *) (void *) dp; |
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| 108 | #if defined(__IEEE_BIG_ENDIAN) |
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| 109 | rv = XDR_GETINT32 (xdrs, i32p); |
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| 110 | if (!rv) |
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| 111 | return (rv); |
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| 112 | rv = XDR_GETINT32 (xdrs, i32p + 1); |
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| 113 | #else /* must be __IEEE_LITTLE_ENDIAN */ |
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| 114 | rv = XDR_GETINT32 (xdrs, i32p + 1); |
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| 115 | if (!rv) |
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| 116 | return (rv); |
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| 117 | rv = XDR_GETINT32 (xdrs, i32p); |
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| 118 | #endif /* __IEEE_LITTLE_ENDIAN */ |
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| 119 | return (rv); |
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| 120 | |
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| 121 | case XDR_FREE: |
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| 122 | return TRUE; |
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| 123 | } |
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| 124 | return FALSE; |
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| 125 | } |
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| 126 | #endif /* !_DOUBLE_IS_32BITS */ |
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| 127 | |
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| 128 | #elif defined(__vax__) |
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| 129 | #include "xdr_float_vax.c" |
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| 130 | #endif |
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| 131 | |
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