1  /* Struct stat/stat64 to stat/stat64 conversion for Linux.
       2     Copyright (C) 2020-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <stat_t64_cp.h>
      20  #include <string.h>
      21  #include <errno.h>
      22  #include <time.h>
      23  
      24  #if __TIMESIZE != 64
      25  int
      26  __cp_stat64_t64_stat64 (const struct __stat64_t64 *st64_t64,
      27  			struct stat64 *st64)
      28  {
      29    if (! in_time_t_range (st64_t64->st_atim.tv_sec)
      30        || ! in_time_t_range (st64_t64->st_mtim.tv_sec)
      31        || ! in_time_t_range (st64_t64->st_ctim.tv_sec))
      32      {
      33        __set_errno (EOVERFLOW);
      34        return -1;
      35      }
      36  
      37    /* Clear both pad and reserved fields.  */
      38    memset (st64, 0, sizeof (*st64));
      39  
      40    st64->st_dev = st64_t64->st_dev,
      41    st64->st_ino = st64_t64->st_ino;
      42    st64->st_mode = st64_t64->st_mode;
      43    st64->st_nlink = st64_t64->st_nlink;
      44    st64->st_uid = st64_t64->st_uid;
      45    st64->st_gid = st64_t64->st_gid;
      46    st64->st_rdev = st64_t64->st_rdev;
      47    st64->st_size = st64_t64->st_size;
      48    st64->st_blksize = st64_t64->st_blksize;
      49    st64->st_blocks  = st64_t64->st_blocks;
      50    st64->st_atim = valid_timespec64_to_timespec (st64_t64->st_atim);
      51    st64->st_mtim = valid_timespec64_to_timespec (st64_t64->st_mtim);
      52    st64->st_ctim = valid_timespec64_to_timespec (st64_t64->st_ctim);
      53  
      54    return 0;
      55  }
      56  #endif