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

   1 /*
   2  * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
   3  * Copyright (c) 2015-2019 The strace developers.
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10 #include "stat.h"
  11
  12 static void
  13 decode_struct_stat(struct tcb *const tcp, const kernel_ulong_t addr)
  14 {
  15         struct strace_stat st;
  16
  17         if (fetch_struct_stat(tcp, addr, &st))
  18                 print_struct_stat(tcp, &st);
  19 }
  20
  21 SYS_FUNC(stat)
  22 {
  23         if (entering(tcp)) {
  24                 printpath(tcp, tcp->u_arg[0]);
  25                 tprints(", ");
  26         } else {
  27                 decode_struct_stat(tcp, tcp->u_arg[1]);
  28         }
  29         return 0;
  30 }
  31
  32 SYS_FUNC(fstat)
  33 {
  34         if (entering(tcp)) {
  35                 printfd(tcp, tcp->u_arg[0]);
  36                 tprints(", ");
  37         } else {
  38                 decode_struct_stat(tcp, tcp->u_arg[1]);
  39         }
  40         return 0;
  41 }
  42
  43 SYS_FUNC(newfstatat)
  44 {
  45         if (entering(tcp)) {
  46                 print_dirfd(tcp, tcp->u_arg[0]);
  47                 tprints(", ");
  48                 printpath(tcp, tcp->u_arg[1]);
  49                 tprints(", ");
  50         } else {
  51                 decode_struct_stat(tcp, tcp->u_arg[2]);
  52                 tprints(", ");
  53                 printflags(at_flags, tcp->u_arg[3], "AT_???");
  54         }
  55         return 0;
  56 }