usr/src/lib/libast/common/misc/univlib.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * Glenn Fowler
  25  * AT&T Research
  26  *
  27  * universe support
  28  *
  29  * symbolic link external representation has trailing '\0' and $(...) style
  30  * conditionals where $(...) corresponds to a kernel object (i.e., probably
  31  * not environ)
  32  *
  33  * universe symlink conditionals use $(UNIVERSE)
  34  */
  35
  36 #ifndef _UNIVLIB_H
  37 #define _UNIVLIB_H
  38
  39 #if defined(__STDPP__directive) && defined(__STDPP__hide)
  40 __STDPP__directive pragma pp:hide getuniverse readlink setuniverse symlink universe
  41 #else
  42 #define getuniverse     ______getuniverse
  43 #define readlink        ______readlink
  44 #define setuniverse     ______setuniverse
  45 #define symlink         ______symlink
  46 #define universe        ______universe
  47 #endif
  48
  49 #include <ast.h>
  50 #include <ls.h>
  51 #include <errno.h>
  52
  53 #define UNIV_SIZE       9
  54
  55 #if _cmd_universe && _sys_universe
  56 #include <sys/universe.h>
  57 #endif
  58
  59 #if defined(__STDPP__directive) && defined(__STDPP__hide)
  60 __STDPP__directive pragma pp:nohide getuniverse readlink setuniverse symlink universe
  61 #else
  62 #undef  getuniverse
  63 #undef  readlink
  64 #undef  setuniverse
  65 #undef  symlink
  66 #undef  universe
  67 #endif
  68
  69 #if _cmd_universe
  70 #ifdef NUMUNIV
  71 #define UNIV_MAX        NUMUNIV
  72 #else
  73 #define UNIV_MAX        univ_max
  74 extern char*            univ_name[];
  75 extern int              univ_max;
  76 #endif
  77
  78 extern char             univ_cond[];
  79 extern int              univ_size;
  80
  81 #else
  82
  83 extern char             univ_env[];
  84
  85 #endif
  86
  87 extern int              getuniverse(char*);
  88 extern int              readlink(const char*, char*, int);
  89 extern int              setuniverse(int);
  90 extern int              symlink(const char*, const char*);
  91 extern int              universe(int);
  92
  93 #endif