sysdeps/unix/sysv/linux/mips/mips64/n32/lseek.c

   1 /* MIPS n32 lseek implementation.
   2    Copyright (C) 2017-2019 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 <unistd.h>
  20 #include <sys/types.h>
  21 #include <errno.h>
  22
  23 off_t
  24 __lseek (int fd, off_t offset, int whence)
  25 {
  26   off64_t res = __lseek64 (fd, offset, whence);
  27   if (res != (off_t) res)
  28     {
  29       __set_errno (EOVERFLOW);
  30       return (off_t) -1;
  31     }
  32   return (off_t) res;
  33 }
  34 libc_hidden_def (__lseek)
  35 weak_alias (__lseek, lseek)
  36 strong_alias (__lseek, __libc_lseek)