sysdeps/unix/sysv/linux/pread.c

   1 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <unistd.h>
  19 #include <sysdep-cancel.h>
  20 #include <shlib-compat.h>
  21
  22 #ifndef __OFF_T_MATCHES_OFF64_T
  23
  24 ssize_t
  25 __libc_pread (int fd, void *buf, size_t count, off_t offset)
  26 {
  27   return SYSCALL_CANCEL (pread64, fd, buf, count, SYSCALL_LL_PRW (offset));
  28 }
  29
  30 strong_alias (__libc_pread, __pread)
  31 libc_hidden_weak (__pread)
  32 weak_alias (__libc_pread, pread)
  33
  34 # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_2)
  35 compat_symbol (libc, __libc_pread, pread, GLIBC_2_2);
  36 #endif
  37
  38 #endif