/***************************************************************
  SYS-ACCESS.C

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

       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>


__mpu_int64_t
__cpu_sys_access( int dirfd, const char *path, __mpu_uint64_t mode )
{
  int  host_mode = 0;

  if( !path ) return( -(__mpu_int64_t)__MCPU_EFAULT );
  if( mode & ~(__mpu_uint64_t)__CPU_ACCESS_SUPPORTED )
    return( -(__mpu_int64_t)__MCPU_EINVAL );

  if( mode & __CPU_R_OK ) host_mode |= R_OK;
  if( mode & __CPU_W_OK ) host_mode |= W_OK;
  if( mode & __CPU_X_OK ) host_mode |= X_OK;

  if( faccessat( dirfd, path, host_mode, 0 ) < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );
  return( 0 );

} /* End of __cpu_sys_access() */