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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 2. Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*====================================================================*/
/*
* buffertest.c
*
* Tests the bbuffer operations
*/
#ifdef HAVE_CONFIG_H
#include <config_auto.h>
#endif /* HAVE_CONFIG_H */
#include "allheaders.h"
#define NBLOCKS 11
int main(int argc,
char **argv)
{
char *filein, *fileout;
l_uint8 *array1, *array2, *dataout, *dataout2;
l_int32 i, blocksize, same;
size_t nbytes, nout, nout2;
L_BBUFFER *bb, *bb2;
FILE *fp;
static char mainName[] = "buffertest";
if (argc != 3)
return ERROR_INT(" Syntax: buffertest filein fileout", mainName, 1);
filein = argv[1];
fileout = argv[2];
setLeptDebugOK(1);
if ((array1 = l_binaryRead(filein, &nbytes)) == NULL)
return ERROR_INT("array not made", mainName, 1);
lept_stderr("Bytes read from file: %lu\n", (unsigned long)nbytes);
/* Application of byte buffer ops: compress/decompress in memory */
#if 1
dataout = zlibCompress(array1, nbytes, &nout);
l_binaryWrite(fileout, "w", dataout, nout);
dataout2 = zlibUncompress(dataout, nout, &nout2);
l_binaryWrite("/tmp/dataout2", "w", dataout2, nout2);
filesAreIdentical(filein, "/tmp/dataout2", &same);
if (same)
lept_stderr("Correct: data is the same\n");
else
lept_stderr("Error: data is different\n");
lept_stderr("nbytes in = %lu, nbytes comp = %lu, nbytes uncomp = %lu\n",
(unsigned long)nbytes, (unsigned long)nout, (unsigned long)nout2);
lept_free(dataout);
lept_free(dataout2);
#endif
/* Low-level byte buffer read/write test */
#if 1
bb = bbufferCreate(array1, nbytes);
bbufferRead(bb, array1, nbytes);
array2 = (l_uint8 *)lept_calloc(2 * nbytes, sizeof(l_uint8));
lept_stderr(" Bytes initially in buffer: %d\n", bb->n);
blocksize = (2 * nbytes) / NBLOCKS;
for (i = 0; i <= NBLOCKS; i++) {
bbufferWrite(bb, array2, blocksize, &nout);
lept_stderr(" block %d: wrote %lu bytes\n", i + 1,
(unsigned long)nout);
}
lept_stderr(" Bytes left in buffer: %d\n", bb->n);
bb2 = bbufferCreate(NULL, 0);
bbufferRead(bb2, array1, nbytes);
fp = lept_fopen(fileout, "wb");
bbufferWriteStream(bb2, fp, nbytes, &nout);
lept_stderr(" bytes written out to fileout: %lu\n", (unsigned long)nout);
lept_fclose(fp);
bbufferDestroy(&bb);
bbufferDestroy(&bb2);
lept_free(array2);
#endif
lept_free(array1);
return 0;
}
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