1  /* Linux read syscall implementation.
       2     Copyright (C) 2017-2023 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 <unistd.h>
      20  #include <sysdep-cancel.h>
      21  
      22  /* Read NBYTES into BUF from FD.  Return the number read or -1.  */
      23  ssize_t
      24  __libc_read (int fd, void *buf, size_t nbytes)
      25  {
      26    return SYSCALL_CANCEL (read, fd, buf, nbytes);
      27  }
      28  libc_hidden_def (__libc_read)
      29  
      30  libc_hidden_def (__read)
      31  weak_alias (__libc_read, __read)
      32  libc_hidden_def (read)
      33  weak_alias (__libc_read, read)