sunrpc/xdr_intXX_t.c

   1 /* Copyright (c) 1998, 1999, 2000, 2004, 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <rpc/types.h>
  21
  22 /* We play dirty tricks with aliases.  */
  23 #define xdr_quad_t Xdr_quad_t
  24 #define xdr_u_quad_t Xdr_u_quad_t
  25 #include <rpc/xdr.h>
  26 #undef xdr_quad_t
  27 #undef xdr_u_quad_t
  28
  29
  30 /* XDR 64bit integers */
  31 bool_t
  32 xdr_int64_t (XDR *xdrs, int64_t *ip)
  33 {
  34   int32_t t1, t2;
  35
  36   switch (xdrs->x_op)
  37     {
  38     case XDR_ENCODE:
  39       t1 = (int32_t) ((*ip) >> 32);
  40       t2 = (int32_t) (*ip);
  41       return (XDR_PUTINT32(xdrs, &t1) && XDR_PUTINT32(xdrs, &t2));
  42     case XDR_DECODE:
  43       if (!XDR_GETINT32(xdrs, &t1) || !XDR_GETINT32(xdrs, &t2))
  44         return FALSE;
  45       *ip = ((int64_t) t1) << 32;
  46       *ip |= (uint32_t) t2;     /* Avoid sign extension.  */
  47       return TRUE;
  48     case XDR_FREE:
  49       return TRUE;
  50     default:
  51       return FALSE;
  52     }
  53 }
  54 strong_alias (xdr_int64_t, xdr_quad_t)
  55
  56 /* XDR 64bit unsigned integers */
  57 bool_t
  58 xdr_uint64_t (XDR *xdrs, uint64_t *uip)
  59 {
  60   uint32_t t1;
  61   uint32_t t2;
  62
  63   switch (xdrs->x_op)
  64     {
  65     case XDR_ENCODE:
  66       t1 = (uint32_t) ((*uip) >> 32);
  67       t2 = (uint32_t) (*uip);
  68       return (XDR_PUTINT32 (xdrs, (int32_t *) &t1) &&
  69               XDR_PUTINT32(xdrs, (int32_t *) &t2));
  70     case XDR_DECODE:
  71       if (!XDR_GETINT32(xdrs, (int32_t *) &t1) ||
  72           !XDR_GETINT32(xdrs, (int32_t *) &t2))
  73         return FALSE;
  74       *uip = ((uint64_t) t1) << 32;
  75       *uip |= t2;
  76       return TRUE;
  77     case XDR_FREE:
  78       return TRUE;
  79     default:
  80       return FALSE;
  81     }
  82 }
  83 strong_alias (xdr_int64_t, xdr_u_quad_t)
  84
  85 /* XDR 32bit integers */
  86 bool_t
  87 xdr_int32_t (XDR *xdrs, int32_t *lp)
  88 {
  89   switch (xdrs->x_op)
  90     {
  91     case XDR_ENCODE:
  92       return XDR_PUTINT32 (xdrs, lp);
  93     case XDR_DECODE:
  94       return XDR_GETINT32 (xdrs, lp);
  95     case XDR_FREE:
  96       return TRUE;
  97     default:
  98       return FALSE;
  99     }
 100 }
 101
 102 /* XDR 32bit unsigned integers */
 103 bool_t
 104 xdr_uint32_t (XDR *xdrs, uint32_t *ulp)
 105 {
 106   switch (xdrs->x_op)
 107     {
 108     case XDR_ENCODE:
 109       return XDR_PUTINT32 (xdrs, (int32_t *) ulp);
 110     case XDR_DECODE:
 111       return XDR_GETINT32 (xdrs, (int32_t *) ulp);
 112     case XDR_FREE:
 113       return TRUE;
 114     default:
 115       return FALSE;
 116     }
 117 }
 118
 119 /* XDR 16bit integers */
 120 bool_t
 121 xdr_int16_t (XDR *xdrs, int16_t *ip)
 122 {
 123   int32_t t;
 124
 125   switch (xdrs->x_op)
 126     {
 127     case XDR_ENCODE:
 128       t = (int32_t) *ip;
 129       return XDR_PUTINT32 (xdrs, &t);
 130     case XDR_DECODE:
 131       if (!XDR_GETINT32 (xdrs, &t))
 132         return FALSE;
 133       *ip = (int16_t) t;
 134       return TRUE;
 135     case XDR_FREE:
 136       return TRUE;
 137     default:
 138       return FALSE;
 139     }
 140 }
 141
 142 /* XDR 16bit unsigned integers */
 143 bool_t
 144 xdr_uint16_t (XDR *xdrs, uint16_t *uip)
 145 {
 146   uint32_t ut;
 147
 148   switch (xdrs->x_op)
 149     {
 150     case XDR_ENCODE:
 151       ut = (uint32_t) *uip;
 152       return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
 153     case XDR_DECODE:
 154       if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
 155         return FALSE;
 156       *uip = (uint16_t) ut;
 157       return TRUE;
 158     case XDR_FREE:
 159       return TRUE;
 160     default:
 161       return FALSE;
 162     }
 163 }
 164
 165 /* XDR 8bit integers */
 166 bool_t
 167 xdr_int8_t (XDR *xdrs, int8_t *ip)
 168 {
 169   int32_t t;
 170
 171   switch (xdrs->x_op)
 172     {
 173     case XDR_ENCODE:
 174       t = (int32_t) *ip;
 175       return XDR_PUTINT32 (xdrs, &t);
 176     case XDR_DECODE:
 177       if (!XDR_GETINT32 (xdrs, &t))
 178         return FALSE;
 179       *ip = (int8_t) t;
 180       return TRUE;
 181     case XDR_FREE:
 182       return TRUE;
 183     default:
 184       return FALSE;
 185     }
 186 }
 187
 188 /* XDR 8bit unsigned integers */
 189 bool_t
 190 xdr_uint8_t (XDR *xdrs, uint8_t *uip)
 191 {
 192   uint32_t ut;
 193
 194   switch (xdrs->x_op)
 195     {
 196     case XDR_ENCODE:
 197       ut = (uint32_t) *uip;
 198       return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
 199     case XDR_DECODE:
 200       if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
 201         return FALSE;
 202       *uip = (uint8_t) ut;
 203       return TRUE;
 204     case XDR_FREE:
 205       return TRUE;
 206     default:
 207       return FALSE;
 208     }
 209 }