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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
/*
* buffertest.c
*
* Tests the bbuffer operations
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
#define NBLOCKS 11
main(int argc,
char **argv)
{
char *filein, *fileout;
l_uint8 *array1, *array2, *dataout, *dataout2;
l_int32 nbytes, i, blocksize, nout, nout2;
BBUFFER *bb, *bb2;
FILE *fp;
static char mainName[] = "buffertest";
if (argc != 3)
exit(ERROR_INT(" Syntax: buffertest filein fileout", mainName, 1));
filein = argv[1];
fileout = argv[2];
if ((array1 = arrayRead(filein, &nbytes)) == NULL)
exit(ERROR_INT("array not made", mainName, 1));
fprintf(stderr, " Bytes read from file: %d\n", nbytes);
/* Application of byte buffer ops: compress/decompress in memory */
#if 1
dataout = zlibCompress(array1, nbytes, &nout);
arrayWrite(fileout, "w", dataout, nout);
dataout2 = zlibUncompress(dataout, nout, &nout2);
arrayWrite("junktest", "w", dataout2, nout2);
fprintf(stderr, "nbytes in = %d, nbytes comp = %d, nbytes uncomp = %d\n",
nbytes, nout, nout2);
FREE(dataout);
FREE(dataout2);
#endif
/* Low-level byte buffer read/write test */
#if 0
bb = bbufferCreate(array1, nbytes);
bbufferRead(bb, array1, nbytes);
array2 = (l_uint8 *)CALLOC(2 * nbytes, sizeof(l_uint8));
fprintf(stderr, " Bytes initially in buffer: %d\n", bb->n);
blocksize = (2 * nbytes) / NBLOCKS;
for (i = 0; i <= NBLOCKS; i++) {
bbufferWrite(bb, array2, blocksize, &nout);
fprintf(stderr, " block %d: wrote %d bytes\n", i + 1, nout);
}
fprintf(stderr, " Bytes left in buffer: %d\n", bb->n);
bb2 = bbufferCreate(NULL, 0);
bbufferRead(bb2, array1, nbytes);
fp = fopen(fileout, "w");
bbufferWriteStream(bb2, fp, nbytes, &nout);
fprintf(stderr, " bytes written out to fileout: %d\n", nout);
bbufferDestroy(&bb);
bbufferDestroy(&bb2);
FREE(array2);
#endif
FREE(array1);
exit(0);
}
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