int64_t lzbench_lzrw_decompress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char* workmem)
{
if (!workmem)
return 0;
uint32_t decomplen = 0;
switch (level)
{
default:
case 1: lzrw1_decompress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &decomplen); break;
case 2: lzrw1a_compress(COMPRESS_ACTION_DECOMPRESS, (uint8_t*)workmem, (uint8_t*)inbuf, insize, (uint8_t*)outbuf, &decomplen); break;
case 3: lzrw2_compress(COMPRESS_ACTION_DECOMPRESS, (uint8_t*)workmem, (uint8_t*)inbuf, insize, (uint8_t*)outbuf, &decomplen); break;
case 4: lzrw3_compress(COMPRESS_ACTION_DECOMPRESS, (uint8_t*)workmem, (uint8_t*)inbuf, insize, (uint8_t*)outbuf, &decomplen); break;
case 5: lzrw3a_compress(COMPRESS_ACTION_DECOMPRESS, (uint8_t*)workmem, (uint8_t*)inbuf, insize, (uint8_t*)outbuf, &decomplen); break;
}
return decomplen;
}
void compare (UBYTE* source,
UBYTE* destination,
ULONG bytes) {
ULONG compressedSize;
ULONG decompressedSize;
/* Make a copy of the source page so that we have a version
of the source that is guaranteed to be unmolested. */
UBYTE* copy = (UBYTE*)malloc(sizeof(UBYTE) * bytes);
memcpy ((void*)copy, (void*)source, sizeof (UBYTE) * bytes);
/* Compress and then decompress the data. */
lzrw1_compress(copy, bytes, destination, &compressedSize);
lzrw1_decompress(destination,
compressedSize,
copy,
&decompressedSize);
/* Compare the decompressed data to the original. */
if (bytes != decompressedSize) {
printf("Differed in size!\n");
}
if (memcmp ((void*)source, (void*)copy, sizeof (UBYTE) * bytes) == 0) {
printf ("Matched\n");
} else {
unsigned int byte;
printf ("Differed...sadness...\n");
printf ("\tsource\t\tcopy\n");
for (byte = 0; byte < bytes; byte++) {
printf("\t%8lx\t%8lx\n", source[byte], copy[byte]);
}
}
printf("\n");
}
