sysdeps/unix/sysv/linux/fstat64.c

   1 /* Get file status.  Linux version.
   2    Copyright (C) 2020-2022 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 #define __fstat __redirect___fstat
  20 #define fstat   __redirect_fstat
  21 #include <sys/stat.h>
  22 #include <fcntl.h>
  23 #include <kernel_stat.h>
  24 #include <stat_t64_cp.h>
  25 #include <errno.h>
  26
  27 int
  28 __fstat64_time64 (int fd, struct __stat64_t64 *buf)
  29 {
  30   if (fd < 0)
  31     {
  32       __set_errno (EBADF);
  33       return -1;
  34     }
  35   return __fstatat64_time64 (fd, "", buf, AT_EMPTY_PATH);
  36 }
  37 #if __TIMESIZE != 64
  38 hidden_def (__fstat64_time64)
  39
  40 int
  41 __fstat64 (int fd, struct stat64 *buf)
  42 {
  43   if (fd < 0)
  44     {
  45       __set_errno (EBADF);
  46       return -1;
  47     }
  48
  49   struct __stat64_t64 st_t64;
  50   return __fstat64_time64 (fd, &st_t64)
  51          ?: __cp_stat64_t64_stat64 (&st_t64, buf);
  52 }
  53 #endif
  54
  55 #undef __fstat
  56 #undef fstat
  57
  58 hidden_def (__fstat64)
  59 weak_alias (__fstat64, fstat64)
  60
  61 #if XSTAT_IS_XSTAT64
  62 strong_alias (__fstat64, __fstat)
  63 weak_alias (__fstat64, fstat)
  64 #endif