/***************************************************************
  CPU-MODE-LINUX.H

       This file contains Linux/i386/ILP32 conversion helper
       for MCPU permission bits -> HOST mode_t.

       PART OF : CPU - library .

       USAGE   : Internal only .

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

#ifndef   __CPU_MODE_LINUX_H
#define   __CPU_MODE_LINUX_H

#include <errno.h>
#include <sys/stat.h>

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


static int
__cpu_mode_to_host( __mpu_uint64_t mode, mode_t *host_mode )
{
  mode_t  m = 0;

  if( !host_mode ) return( __MCPU_EINVAL );
  if( mode & ~(__mpu_uint64_t)__CPU_S_SUPPORTED ) return( __MCPU_EINVAL );

  if( mode & __CPU_S_ISUID ) m |= S_ISUID;
  if( mode & __CPU_S_ISGID ) m |= S_ISGID;
#ifdef S_ISVTX
  if( mode & __CPU_S_ISVTX ) m |= S_ISVTX;
#endif
  if( mode & __CPU_S_IRUSR ) m |= S_IRUSR;
  if( mode & __CPU_S_IWUSR ) m |= S_IWUSR;
  if( mode & __CPU_S_IXUSR ) m |= S_IXUSR;
  if( mode & __CPU_S_IRGRP ) m |= S_IRGRP;
  if( mode & __CPU_S_IWGRP ) m |= S_IWGRP;
  if( mode & __CPU_S_IXGRP ) m |= S_IXGRP;
  if( mode & __CPU_S_IROTH ) m |= S_IROTH;
  if( mode & __CPU_S_IWOTH ) m |= S_IWOTH;
  if( mode & __CPU_S_IXOTH ) m |= S_IXOTH;

  *host_mode = m;
  return( 0 );

} /* End of __cpu_mode_to_host() */

#endif /* __CPU_MODE_LINUX_H */