xref: /onnv-gate/usr/src/lib/libast/common/string/ccnative.c (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin 
244887Schin /*
254887Schin  * Glenn Fowler
264887Schin  * AT&T Research
274887Schin  *
284887Schin  * copy table with element size n
294887Schin  * indexed by CC_ASCII to table
304887Schin  * indexed by CC_NATIVE
314887Schin  */
324887Schin 
334887Schin #include <ast.h>
344887Schin #include <ccode.h>
354887Schin 
364887Schin void*
ccnative(void * b,const void * a,size_t n)374887Schin ccnative(void* b, const void* a, size_t n)
384887Schin {
394887Schin #if CC_ASCII == CC_NATIVE
404887Schin 	return memcpy(b, a, n * (UCHAR_MAX + 1));
414887Schin #else
424887Schin 	register int			c;
434887Schin 	register const unsigned char*	m;
444887Schin 	register unsigned char*		cb = (unsigned char*)b;
454887Schin 	register unsigned char*		ca = (unsigned char*)a;
464887Schin 
474887Schin 	m = CCMAP(CC_ASCII, CC_NATIVE);
484887Schin 	if (n == sizeof(char))
494887Schin 		for (c = 0; c <= UCHAR_MAX; c++)
504887Schin 			cb[c] = ca[m[c]];
514887Schin 	else
524887Schin 		for (c = 0; c <= UCHAR_MAX; c++)
534887Schin 			memcpy(cb + n * c, ca + n * m[c], n);
544887Schin 	return b;
554887Schin #endif
564887Schin }
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