usr/src/lib/libast/common/include/swap.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  * integral representation conversion support definitions
  28  * supports sizeof(integral_type)<=sizeof(intmax_t)
  29  */
  30
  31 #ifndef _SWAP_H
  32 #define _SWAP_H
  33
  34 #include <ast_common.h>
  35
  36 #define int_swap        _ast_intswap
  37
  38 #define SWAP_MAX        8
  39
  40 #define SWAPOP(n)       (((n)&int_swap)^(n))
  41
  42 #if _BLD_ast && defined(__EXPORT__)
  43 #define extern          __EXPORT__
  44 #endif
  45
  46 extern void*            swapmem(int, const void*, void*, size_t);
  47 extern intmax_t         swapget(int, const void*, int);
  48 extern void*            swapput(int, void*, int, intmax_t);
  49 extern int              swapop(const void*, const void*, int);
  50
  51 #undef  extern
  52
  53 #endif