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

   1 /*
   2  * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
   3  * Copyright (c) 2017-2018 The strace developers.
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10 #ifdef HAVE_USTAT_H
  11 # include DEF_MPERS_TYPE(struct_ustat)
  12 # include <ustat.h>
  13 typedef struct ustat struct_ustat;
  14 #endif /* HAVE_USTAT_H */
  15
  16 #include MPERS_DEFS
  17
  18 SYS_FUNC(ustat)
  19 {
  20         if (entering(tcp))
  21                 print_dev_t((unsigned int) tcp->u_arg[0]);
  22         else {
  23                 tprints(", ");
  24 #ifdef HAVE_USTAT_H
  25                 struct_ustat ust;
  26
  27                 if (!umove_or_printaddr(tcp, tcp->u_arg[1], &ust))
  28                         tprintf("{f_tfree=%llu, f_tinode=%llu}",
  29                                 zero_extend_signed_to_ull(ust.f_tfree),
  30                                 zero_extend_signed_to_ull(ust.f_tinode));
  31 #else /* !HAVE_USTAT_H */
  32                 printaddr(tcp->u_arg[1]);
  33 #endif /* HAVE_USTAT_H */
  34         }
  35
  36         return 0;
  37 }