sysdeps/mach/hurd/pwrite.c

   1 /* Write block at given position in file without changing file pointer.
   2    Hurd version.
   3    Copyright (C) 1999,2001,02 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, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <errno.h>
  22 #include <unistd.h>
  23
  24 /* Write NBYTES of BUF to FD at given position OFFSET without changing
  25    the file position.  Return the number written, or -1.  */
  26 ssize_t
  27 __libc_pwrite (int fd, const void *buf, size_t nbytes, off_t offset)
  28 {
  29   return __libc_pwrite64 (fd, buf, nbytes, (off64_t) offset);
  30 }
  31
  32 #ifndef __libc_pwrite
  33 strong_alias (__libc_pwrite, __pwrite)
  34 weak_alias (__libc_pwrite, pwrite)
  35 #endif