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att
GitHub Repository: att/ast
 Path: blob/master/src/lib/libast/string/modex.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                  David Korn <[email protected]>                   *

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*                   Phong Vo <[email protected]>                    *

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*                                                                      *

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***********************************************************************/

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#pragma prototyped

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/*

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 * Glenn Fowler

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 * AT&T Bell Laboratories

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 *

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 * mode_t representation support

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 */

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#include "modelib.h"

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/*

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 * convert internal mode to external

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 */

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#undef	modex

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int

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modex(register int i)

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{

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#if _S_IDPERM && _S_IDTYPE

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	return(i);

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#else

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	register int	x;

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	register int	c;

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	x = 0;

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#if _S_IDPERM

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	x |= (i & 07777);

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#else

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	for (c = 0; c < PERMLEN; c++)

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		if (i & permmap[c++])

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			x |= permmap[c];

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#endif

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#if _S_IDTYPE

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	x |= (i & X_IFMT);

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#else

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	if (S_ISREG(i)) x |= X_IFREG;

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	else if (S_ISDIR(i)) x |= X_IFDIR;

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#ifdef S_ISLNK

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	else if (S_ISLNK(i)) x |= X_IFLNK;

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#endif

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	else if (S_ISBLK(i)) x |= X_IFBLK;

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	else if (S_ISCHR(i)) x |= X_IFCHR;

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#ifdef S_ISCTG

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	else if (S_ISCTG(i)) x |= X_IFCTG;

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#endif

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	else if (S_ISFIFO(i)) x |= X_IFIFO;

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#ifdef S_ISSOCK

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	else if (S_ISSOCK(i)) x |= X_IFSOCK;

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#endif

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#endif

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	return(x);

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#endif

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}

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