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 <sys/stat.h>
      20  #include <kernel_stat.h>
      21  
      22  static inline long int
      23  __cp_kstat_stat (const struct kernel_stat *kst, struct stat *st)
      24  {
      25    if (! in_ino_t_range (kst->st_ino)
      26        || ! in_off_t_range (kst->st_size)
      27        || ! in_blkcnt_t_range (kst->st_blocks))
      28      return -EOVERFLOW;
      29  
      30    st->st_dev = kst->st_dev;
      31    memset (&st->st_pad1, 0, sizeof (st->st_pad1));
      32    st->st_ino = kst->st_ino;
      33    st->st_mode = kst->st_mode;
      34    st->st_nlink = kst->st_nlink;
      35    st->st_uid = kst->st_uid;
      36    st->st_gid = kst->st_gid;
      37    st->st_rdev = kst->st_rdev;
      38    memset (&st->st_pad2, 0, sizeof (st->st_pad2));
      39    st->st_size = kst->st_size;
      40    st->st_pad3 = 0;
      41    st->st_atim.tv_sec = kst->st_atime_sec;
      42    st->st_atim.tv_nsec = kst->st_atime_nsec;
      43    st->st_mtim.tv_sec = kst->st_mtime_sec;
      44    st->st_mtim.tv_nsec = kst->st_mtime_nsec;
      45    st->st_ctim.tv_sec = kst->st_ctime_sec;
      46    st->st_ctim.tv_nsec = kst->st_ctime_nsec;
      47    st->st_blksize = kst->st_blksize;
      48    st->st_blocks = kst->st_blocks;
      49    memset (&st->st_pad5, 0, sizeof (st->st_pad5));
      50  
      51    return 0;
      52  }
      53  
      54  static inline void
      55  __cp_kstat_stat64_t64 (const struct kernel_stat *kst, struct __stat64_t64 *st)
      56  {
      57    st->st_dev = kst->st_dev;
      58    st->st_ino = kst->st_ino;
      59    st->st_mode = kst->st_mode;
      60    st->st_nlink = kst->st_nlink;
      61    st->st_uid = kst->st_uid;
      62    st->st_gid = kst->st_gid;
      63    st->st_rdev = kst->st_rdev;
      64    st->st_size = kst->st_size;
      65    st->st_blksize = kst->st_blksize;
      66    st->st_blocks = kst->st_blocks;
      67    st->st_atim.tv_sec = kst->st_atime_sec;
      68    st->st_atim.tv_nsec = kst->st_atime_nsec;
      69    st->st_mtim.tv_sec = kst->st_mtime_sec;
      70    st->st_mtim.tv_nsec = kst->st_mtime_nsec;
      71    st->st_ctim.tv_sec = kst->st_ctime_sec;
      72    st->st_ctim.tv_nsec = kst->st_ctime_nsec;
      73  }