/***************************************************************
  SYS-CHOWN.C

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

       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 <unistd.h>

#include <libmcpu.h>
#include <cpu-sysdeps.h>
#include "cpu-chown-linux.h"


__mpu_int64_t
__cpu_sys_chown( int dirfd, const char *path, __mpu_uint64_t uid,
                 __mpu_uint64_t gid )
{
  uid_t  host_uid;
  gid_t  host_gid;
  int    error;

  if( !path ) return( -(__mpu_int64_t)__MCPU_EFAULT );

  error = __cpu_uid_to_host( uid, &host_uid );
  if( error ) return( -(__mpu_int64_t)error );
  error = __cpu_gid_to_host( gid, &host_gid );
  if( error ) return( -(__mpu_int64_t)error );

  if( fchownat( dirfd, path, host_uid, host_gid, 0 ) < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );
  return( 0 );

} /* End of __cpu_sys_chown() */