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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/vczip/tests/tvctable.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 2003-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                   Phong Vo <[email protected]>                    *

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*                 Glenn Fowler <[email protected]>                  *

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*                                                                      *

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***********************************************************************/

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#include	"vctest.h"

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typedef Vcchar_t	Matrix_t[16][8];

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static Matrix_t Mt =

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{	'a', '0', 'u', 'd', 'i', 'e', 'a', 'b',

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	'a', '1', 'v', 'd', 'j', 'e', 'b', 'c',

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	'b', '0', 'x', 'd', 'i', 'e', 'c', 'd',

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	'b', '1', 'y', 'd', 'j', 'e', 'd', 'e',

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	'b', '2', 'z', 'd', 'i', 'e', 'e', 'f',

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	'a', '0', 'u', 'd', 'j', 'e', 'f', 'g',

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	'a', '2', 'w', 'd', 'i', 'e', 'g', 'h',

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	'b', '1', 'y', 'd', 'j', 'e', 'h', 'i',

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	'a', '0', 'u', 'd', 'i', 'e', 'i', 'j',

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	'a', '1', 'v', 'd', 'j', 'e', 'j', 'k',

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	'a', '2', 'w', 'd', 'i', 'e', 'k', 'l',

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	'b', '0', 'x', 'd', 'j', 'e', 'l', 'm',

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	'b', '1', 'y', 'd', 'i', 'e', 'm', 'n',

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	'b', '2', 'z', 'd', 'j', 'e', 'n', 'o',

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	'b', '1', 'y', 'd', 'i', 'e', 'o', 'p',

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	'a', '0', 'u', 'd', 'j', 'e', 'p', 'q'

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};

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int main()

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{

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	Vcodex_t	*tz, *uz;

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	Vcodex_t	*huf, *rle, *mtf;

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	Vcchar_t	*mt, *cmp, *tstr;

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	Vcchar_t	store[2*sizeof(Mt)];

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	ssize_t		nc, nu, n;

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	Vcmethod_t	*Vctable;

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	if(!(Vctable = vcgetmeth("table", 0)))

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		terror("table plugin not found");

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	if(!(huf = vcopen(0, Vchuffgroup, 0, 0, VC_ENCODE)) )

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		terror("Can't open Vchuffgroup handle to compress");

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	if(!(rle = vcopen(0, Vcrle, "0", huf, VC_ENCODE|VC_CLOSECODER)) )

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		terror("Can't open Vcrle handle to compress");

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	if(!(mtf = vcopen(0, Vcmtf, 0, rle, VC_ENCODE|VC_CLOSECODER)) )

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		terror("Can't open Vcrle handle to compress");

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	if(!(tz = vcopen(0, Vctable, 0, mtf, VC_ENCODE)) )

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		terror("Vctable: could not open handle to transform");

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	if((n = vcextract(tz, (Void_t**)(&tstr))) <= 0)

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		terror("Cannot get encoding string");

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	memcpy(store,tstr,n);

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	if((nc = vcapply(tz, Mt, sizeof(Mt), &cmp)) <= 0 )

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		terror("Vctable: fail transforming");

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	twarn("Vctable: rawsz=%d cmpsz=%d\n", sizeof(Mt), nc);

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	if(!(uz = vcrestore(store, n)) )

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		terror("Vctable: could not recreate handle to decode");

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	if((nu = vcapply(uz, cmp, nc, &mt)) != sizeof(Mt))

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		terror("Vctable: fail untransforming");

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	if(memcmp(mt, Mt, nu) != 0)

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		terror("Vctable: results did not match");

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	exit(0);

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}

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