1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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 43 NoN(swab) 44 45 #else 46 47 #include <swap.h> 48 49 #if defined(__EXPORT__) 50 #define extern __EXPORT__ 51 #endif 52 53 extern void 54 swab(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