granicus.if.org Git - strace/blob - lookup_dcookie.c

   1 /*
   2  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
   3  * Copyright (c) 2015-2018 The strace developers.
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10
  11 SYS_FUNC(lookup_dcookie)
  12 {
  13         if (entering(tcp))
  14                 return 0;
  15
  16         /* cookie */
  17         int argn = printllval(tcp, "%llu", 0);
  18         tprints(", ");
  19
  20         /* buffer */
  21         if (syserror(tcp))
  22                 printaddr(tcp->u_arg[argn]);
  23         else
  24                 printstrn(tcp, tcp->u_arg[argn], tcp->u_rval);
  25
  26         /* len */
  27         tprintf(", %" PRI_klu, tcp->u_arg[argn + 1]);
  28
  29         return 0;
  30 }