1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*b30d1939SAndy Fiddaman *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6*b30d1939SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10*b30d1939SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*b30d1939SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                  David Korn <dgk@research.att.com>                   *
19da2e3ebdSchin *                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebdSchin *                                                                      *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin 
24da2e3ebdSchin /*
25da2e3ebdSchin  * Glenn Fowler
26da2e3ebdSchin  * AT&T Research
27da2e3ebdSchin  *
28da2e3ebdSchin  * copy table with element size n
29da2e3ebdSchin  * indexed by CC_ASCII to table
30da2e3ebdSchin  * indexed by CC_NATIVE
31da2e3ebdSchin  */
32da2e3ebdSchin 
33da2e3ebdSchin #include <ast.h>
34da2e3ebdSchin #include <ccode.h>
35da2e3ebdSchin 
36da2e3ebdSchin void*
ccnative(void * b,const void * a,size_t n)37da2e3ebdSchin ccnative(void* b, const void* a, size_t n)
38da2e3ebdSchin {
39da2e3ebdSchin #if CC_ASCII == CC_NATIVE
40da2e3ebdSchin 	return memcpy(b, a, n * (UCHAR_MAX + 1));
41da2e3ebdSchin #else
42da2e3ebdSchin 	register int			c;
43da2e3ebdSchin 	register const unsigned char*	m;
44da2e3ebdSchin 	register unsigned char*		cb = (unsigned char*)b;
45da2e3ebdSchin 	register unsigned char*		ca = (unsigned char*)a;
46da2e3ebdSchin 
47da2e3ebdSchin 	m = CCMAP(CC_ASCII, CC_NATIVE);
48da2e3ebdSchin 	if (n == sizeof(char))
49da2e3ebdSchin 		for (c = 0; c <= UCHAR_MAX; c++)
50da2e3ebdSchin 			cb[c] = ca[m[c]];
51da2e3ebdSchin 	else
52da2e3ebdSchin 		for (c = 0; c <= UCHAR_MAX; c++)
53da2e3ebdSchin 			memcpy(cb + n * c, ca + n * m[c], n);
54da2e3ebdSchin 	return b;
55da2e3ebdSchin #endif
56da2e3ebdSchin }
57