/***************************************************************
  SYS-FTRUNCATE.C

       This file contains Linux/i386/ILP32 implementation of
       __cpu_sys_ftruncate().

       PART OF : CPU - library .

       USAGE   : Internal only .

       Copyright (C) 2026  by Andrew V.Kosteltsev.
       All Rights Reserved.
 ***************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <sys/types.h>
#include <unistd.h>

#include <libmcpu.h>
#include <cpu-sysdeps.h>


__mpu_int64_t
__cpu_sys_ftruncate( int fd, __mpu_int64_t length )
{
  off_t  host_length;

  host_length = (off_t)length;
  if( (__mpu_int64_t)host_length != length )
    return( -(__mpu_int64_t)__MCPU_EOVERFLOW );

  if( ftruncate( fd, host_length ) < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );
  return( 0 );

} /* End of __cpu_sys_ftruncate() */