sunrpc/xdr_intXX_t.c

   1 /* Copyright (c) 1998-2022 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <rpc/types.h>
  19
  20 /* We play dirty tricks with aliases.  */
  21 #include <rpc/xdr.h>
  22
  23 #include <stdint.h>
  24 #include <shlib-compat.h>
  25
  26 /* XDR 64bit integers */
  27 bool_t
  28 xdr_int64_t (XDR *xdrs, int64_t *ip)
  29 {
  30   int32_t t1, t2;
  31
  32   switch (xdrs->x_op)
  33     {
  34     case XDR_ENCODE:
  35       t1 = (int32_t) ((*ip) >> 32);
  36       t2 = (int32_t) (*ip);
  37       return (XDR_PUTINT32(xdrs, &t1) && XDR_PUTINT32(xdrs, &t2));
  38     case XDR_DECODE:
  39       if (!XDR_GETINT32(xdrs, &t1) || !XDR_GETINT32(xdrs, &t2))
  40         return FALSE;
  41       *ip = ((int64_t) t1) << 32;
  42       *ip |= (uint32_t) t2;     /* Avoid sign extension.  */
  43       return TRUE;
  44     case XDR_FREE:
  45       return TRUE;
  46     default:
  47       return FALSE;
  48     }
  49 }
  50 libc_hidden_nolink_sunrpc (xdr_int64_t, GLIBC_2_1_1)
  51
  52 bool_t
  53 xdr_quad_t (XDR *xdrs, quad_t *ip)
  54 {
  55   return xdr_int64_t (xdrs, (int64_t *) ip);
  56 }
  57 libc_hidden_nolink_sunrpc (xdr_quad_t, GLIBC_2_3_4)
  58
  59 /* XDR 64bit unsigned integers */
  60 bool_t
  61 xdr_uint64_t (XDR *xdrs, uint64_t *uip)
  62 {
  63   uint32_t t1;
  64   uint32_t t2;
  65
  66   switch (xdrs->x_op)
  67     {
  68     case XDR_ENCODE:
  69       t1 = (uint32_t) ((*uip) >> 32);
  70       t2 = (uint32_t) (*uip);
  71       return (XDR_PUTINT32 (xdrs, (int32_t *) &t1) &&
  72               XDR_PUTINT32(xdrs, (int32_t *) &t2));
  73     case XDR_DECODE:
  74       if (!XDR_GETINT32(xdrs, (int32_t *) &t1) ||
  75           !XDR_GETINT32(xdrs, (int32_t *) &t2))
  76         return FALSE;
  77       *uip = ((uint64_t) t1) << 32;
  78       *uip |= t2;
  79       return TRUE;
  80     case XDR_FREE:
  81       return TRUE;
  82     default:
  83       return FALSE;
  84     }
  85 }
  86 libc_hidden_nolink_sunrpc (xdr_uint64_t, GLIBC_2_1_1)
  87
  88 bool_t
  89 xdr_u_quad_t (XDR *xdrs, u_quad_t *ip)
  90 {
  91   return xdr_uint64_t (xdrs, (uint64_t *) ip);
  92 }
  93 libc_hidden_nolink_sunrpc (xdr_u_quad_t, GLIBC_2_3_4)
  94
  95 /* XDR 32bit integers */
  96 bool_t
  97 xdr_int32_t (XDR *xdrs, int32_t *lp)
  98 {
  99   switch (xdrs->x_op)
 100     {
 101     case XDR_ENCODE:
 102       return XDR_PUTINT32 (xdrs, lp);
 103     case XDR_DECODE:
 104       return XDR_GETINT32 (xdrs, lp);
 105     case XDR_FREE:
 106       return TRUE;
 107     default:
 108       return FALSE;
 109     }
 110 }
 111 libc_hidden_nolink_sunrpc (xdr_int32_t, GLIBC_2_1)
 112
 113 /* XDR 32bit unsigned integers */
 114 bool_t
 115 xdr_uint32_t (XDR *xdrs, uint32_t *ulp)
 116 {
 117   switch (xdrs->x_op)
 118     {
 119     case XDR_ENCODE:
 120       return XDR_PUTINT32 (xdrs, (int32_t *) ulp);
 121     case XDR_DECODE:
 122       return XDR_GETINT32 (xdrs, (int32_t *) ulp);
 123     case XDR_FREE:
 124       return TRUE;
 125     default:
 126       return FALSE;
 127     }
 128 }
 129 #ifdef EXPORT_RPC_SYMBOLS
 130 libc_hidden_def (xdr_uint32_t)
 131 #else
 132 libc_hidden_nolink_sunrpc (xdr_uint32_t, GLIBC_2_1)
 133 #endif
 134
 135 /* XDR 16bit integers */
 136 bool_t
 137 xdr_int16_t (XDR *xdrs, int16_t *ip)
 138 {
 139   int32_t t;
 140
 141   switch (xdrs->x_op)
 142     {
 143     case XDR_ENCODE:
 144       t = (int32_t) *ip;
 145       return XDR_PUTINT32 (xdrs, &t);
 146     case XDR_DECODE:
 147       if (!XDR_GETINT32 (xdrs, &t))
 148         return FALSE;
 149       *ip = (int16_t) t;
 150       return TRUE;
 151     case XDR_FREE:
 152       return TRUE;
 153     default:
 154       return FALSE;
 155     }
 156 }
 157 libc_hidden_nolink_sunrpc (xdr_int16_t, GLIBC_2_1)
 158
 159 /* XDR 16bit unsigned integers */
 160 bool_t
 161 xdr_uint16_t (XDR *xdrs, uint16_t *uip)
 162 {
 163   uint32_t ut;
 164
 165   switch (xdrs->x_op)
 166     {
 167     case XDR_ENCODE:
 168       ut = (uint32_t) *uip;
 169       return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
 170     case XDR_DECODE:
 171       if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
 172         return FALSE;
 173       *uip = (uint16_t) ut;
 174       return TRUE;
 175     case XDR_FREE:
 176       return TRUE;
 177     default:
 178       return FALSE;
 179     }
 180 }
 181 libc_hidden_nolink_sunrpc (xdr_uint16_t, GLIBC_2_1)
 182
 183 /* XDR 8bit integers */
 184 bool_t
 185 xdr_int8_t (XDR *xdrs, int8_t *ip)
 186 {
 187   int32_t t;
 188
 189   switch (xdrs->x_op)
 190     {
 191     case XDR_ENCODE:
 192       t = (int32_t) *ip;
 193       return XDR_PUTINT32 (xdrs, &t);
 194     case XDR_DECODE:
 195       if (!XDR_GETINT32 (xdrs, &t))
 196         return FALSE;
 197       *ip = (int8_t) t;
 198       return TRUE;
 199     case XDR_FREE:
 200       return TRUE;
 201     default:
 202       return FALSE;
 203     }
 204 }
 205 libc_hidden_nolink_sunrpc (xdr_int8_t, GLIBC_2_1)
 206
 207 /* XDR 8bit unsigned integers */
 208 bool_t
 209 xdr_uint8_t (XDR *xdrs, uint8_t *uip)
 210 {
 211   uint32_t ut;
 212
 213   switch (xdrs->x_op)
 214     {
 215     case XDR_ENCODE:
 216       ut = (uint32_t) *uip;
 217       return XDR_PUTINT32 (xdrs, (int32_t *) &ut);
 218     case XDR_DECODE:
 219       if (!XDR_GETINT32 (xdrs, (int32_t *) &ut))
 220         return FALSE;
 221       *uip = (uint8_t) ut;
 222       return TRUE;
 223     case XDR_FREE:
 224       return TRUE;
 225     default:
 226       return FALSE;
 227     }
 228 }
 229 libc_hidden_nolink_sunrpc (xdr_uint8_t, GLIBC_2_1)