sysdeps/unix/sysv/linux/ftruncate64.c

   1 /* Copyright (C) 1997-2024 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.h>
  20
  21 #ifndef __NR_ftruncate64
  22 # define __NR_ftruncate64 __NR_ftruncate
  23 #endif
  24
  25 /* Truncate the file referenced by FD to LENGTH bytes.  */
  26 int
  27 __ftruncate64 (int fd, off64_t length)
  28 {
  29   return INLINE_SYSCALL_CALL (ftruncate64, fd,
  30                               __ALIGNMENT_ARG SYSCALL_LL64 (length));
  31 }
  32 weak_alias (__ftruncate64, ftruncate64)
  33
  34 #ifdef __OFF_T_MATCHES_OFF64_T
  35 weak_alias (__ftruncate64, __ftruncate)
  36 weak_alias (__ftruncate64, ftruncate);
  37 #endif