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att
GitHub Repository: att/ast
 Path: blob/master/src/lib/libast/misc/univlib.h
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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 Research

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 *

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 * universe support

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 *

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 * symbolic link external representation has trailing '\0' and $(...) style

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 * conditionals where $(...) corresponds to a kernel object (i.e., probably

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 * not environ)

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 *

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 * universe symlink conditionals use $(UNIVERSE)

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 */

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#ifndef _UNIVLIB_H

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#define _UNIVLIB_H

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#if defined(__STDPP__directive) && defined(__STDPP__hide)

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__STDPP__directive pragma pp:hide getuniverse readlink setuniverse symlink universe

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#else

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#define getuniverse	______getuniverse

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#define readlink	______readlink

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#define setuniverse	______setuniverse

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#define symlink		______symlink

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#define universe	______universe

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#endif

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#include <ast.h>

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#include <ls.h>

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#include <errno.h>

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#define UNIV_SIZE	9

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#if _cmd_universe && _sys_universe

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#include <sys/universe.h>

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#endif

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#if defined(__STDPP__directive) && defined(__STDPP__hide)

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__STDPP__directive pragma pp:nohide getuniverse readlink setuniverse symlink universe

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#else

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#undef	getuniverse

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#undef	readlink

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#undef	setuniverse

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#undef	symlink

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#undef	universe

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#endif

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#if _cmd_universe

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#ifdef NUMUNIV

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#define UNIV_MAX	NUMUNIV

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#else

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#define UNIV_MAX	univ_max

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extern char*		univ_name[];

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extern int		univ_max;

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#endif

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extern char		univ_cond[];

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extern int		univ_size;

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#else

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extern char		univ_env[];

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#endif

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extern int		getuniverse(char*);

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extern int		readlink(const char*, char*, int);

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extern int		setuniverse(int);

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extern int		symlink(const char*, const char*);

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extern int		universe(int);

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#endif

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