1  /*
       2   * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
       3   * Copyright (c) 2017-2021 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  		/* dev */
      22  		print_dev_t((unsigned int) tcp->u_arg[0]);
      23  		tprint_arg_next();
      24  	} else {
      25  		/* ubuf */
      26  #ifdef HAVE_USTAT_H
      27  		struct_ustat ust;
      28  
      29  		if (!umove_or_printaddr(tcp, tcp->u_arg[1], &ust)) {
      30  			tprint_struct_begin();
      31  			PRINT_FIELD_U(ust, f_tfree);
      32  			tprint_struct_next();
      33  			PRINT_FIELD_U(ust, f_tinode);
      34  			tprint_struct_end();
      35  		}
      36  #else /* !HAVE_USTAT_H */
      37  		printaddr(tcp->u_arg[1]);
      38  #endif /* HAVE_USTAT_H */
      39  	}
      40  
      41  	return 0;
      42  }