modei.c revision 3e14f97f673e8a630f076077de35afdd43dc1587
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Bell Laboratories
*
* mode_t representation support
*/
#include "modelib.h"
/*
* convert external mode to internal
*
* NOTE: X_IFMT ignored
*/
int
modei(register int x)
{
#if _S_IDPERM
return(x & X_IPERM);
#else
register int i;
register int c;
i = 0;
for (c = 0; c < PERMLEN; c += 2)
if (x & permmap[c + 1])
i |= permmap[c];
return(i);
#endif
}