src/rx/xdr_int64.c

   1
   2 /*
   3  *  XDR routine for int64 (long long or struct)
   4  */
   5
   6 #include <afsconfig.h>
   7 #include <afs/param.h>
   8
   9
  10 #if defined(KERNEL) && !defined(UKERNEL)
  11 #ifdef AFS_LINUX20_ENV
  12 #include "h/string.h"
  13 #else
  14 #include <sys/param.h>
  15 #include <sys/systm.h>
  16 #endif
  17 #else
  18 #include <roken.h>
  19 #endif
  20 #include "xdr.h"
  21
  22 /*
  23  * XDR afs_int64 integers
  24  */
  25 bool_t
  26 xdr_int64(XDR * xdrs, afs_int64 * ulp)
  27 {
  28     return xdr_afs_int64(xdrs, ulp);
  29 }
  30
  31 bool_t
  32 xdr_afs_int64(XDR * xdrs, afs_int64 * ulp)
  33 {
  34     afs_int32 high;
  35     afs_uint32 low;
  36
  37     if (xdrs->x_op == XDR_DECODE) {
  38         if (!XDR_GETINT32(xdrs, (afs_int32 *) & high))
  39             return (FALSE);
  40         if (!XDR_GETINT32(xdrs, (afs_int32 *) & low))
  41             return (FALSE);
  42         *ulp = high;
  43         *ulp <<= 32;
  44         *ulp += low;
  45         return (TRUE);
  46     }
  47     if (xdrs->x_op == XDR_ENCODE) {
  48         high = (afs_int32) (*ulp >> 32);
  49         low = (afs_uint32) (*ulp & 0xFFFFFFFFL);
  50         if (!XDR_PUTINT32(xdrs, (afs_int32 *) & high))
  51             return (FALSE);
  52         return (XDR_PUTINT32(xdrs, (afs_int32 *) & low));
  53     }
  54     if (xdrs->x_op == XDR_FREE)
  55         return (TRUE);
  56     return (FALSE);
  57 }
  58
  59 /*
  60  * XDR afs_int64 integers
  61  */
  62 bool_t
  63 xdr_uint64(XDR * xdrs, afs_uint64 * ulp)
  64 {
  65     return xdr_afs_uint64(xdrs, ulp);
  66 }
  67
  68 bool_t
  69 xdr_afs_uint64(XDR * xdrs, afs_uint64 * ulp)
  70 {
  71     afs_uint32 high;
  72     afs_uint32 low;
  73
  74     if (xdrs->x_op == XDR_DECODE) {
  75         if (!XDR_GETINT32(xdrs, (afs_int32 *) & high))
  76             return (FALSE);
  77         if (!XDR_GETINT32(xdrs, (afs_int32 *) & low))
  78             return (FALSE);
  79         *ulp = high;
  80         *ulp <<= 32;
  81         *ulp += low;
  82         return (TRUE);
  83     }
  84     if (xdrs->x_op == XDR_ENCODE) {
  85         high = (afs_uint32) (*ulp >> 32);
  86         low = (afs_uint32) (*ulp & 0xFFFFFFFFL);
  87         if (!XDR_PUTINT32(xdrs, (afs_int32 *) & high))
  88             return (FALSE);
  89         return (XDR_PUTINT32(xdrs, (afs_int32 *) & low));
  90     }
  91     if (xdrs->x_op == XDR_FREE)
  92         return (TRUE);
  93     return (FALSE);
  94 }
  95