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 * swab implementation 25 */ 26 27#if defined(__STDPP__directive) && defined(__STDPP__hide) 28__STDPP__directive pragma pp:hide swab 29#else 30#define swab ______swab 31#endif 32 33#include <ast.h> 34 35#if defined(__STDPP__directive) && defined(__STDPP__hide) 36__STDPP__directive pragma pp:nohide swab 37#else 38#undef swab 39#endif 40 41#if _lib_swab 42 43NoN(swab) 44 45#else 46 47#include <swap.h> 48 49#if defined(__EXPORT__) 50#define extern __EXPORT__ 51#endif 52 53extern void 54swab(const void* src, void* dst, ssize_t n) 55{ 56 if (n > 1) 57 swapmem(1, src, dst, n & ~1); 58} 59 60#endif 61