/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*
* copy table with element size n
* indexed by CC_ASCII to table
* indexed by CC_NATIVE
*/
#include <ast.h>
#include <ccode.h>
void*
ccnative(void* b, const void* a, size_t n)
{
#if CC_ASCII == CC_NATIVE
return memcpy(b, a, n * (UCHAR_MAX + 1));
#else
register int c;
register const unsigned char* m;
register unsigned char* cb = (unsigned char*)b;
register unsigned char* ca = (unsigned char*)a;
m = CCMAP(CC_ASCII, CC_NATIVE);
if (n == sizeof(char))
for (c = 0; c <= UCHAR_MAX; c++)
cb[c] = ca[m[c]];
else
for (c = 0; c <= UCHAR_MAX; c++)
memcpy(cb + n * c, ca + n * m[c], n);
return b;
#endif
}