1  /* Write block at given position in file without changing file pointer.
       2     Hurd version.
       3     Copyright (C) 1999-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <errno.h>
      21  #include <unistd.h>
      22  
      23  /* Write NBYTES of BUF to FD at given position OFFSET without changing
      24     the file position.  Return the number written, or -1.  */
      25  ssize_t
      26  __libc_pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
      27  {
      28    return __libc_pwrite64 (fd, buf, nbytes, (off64_t) offset);
      29  }
      30  
      31  #ifndef __libc_pwrite
      32  strong_alias (__libc_pwrite, __pwrite)
      33  weak_alias (__libc_pwrite, pwrite)
      34  #endif