ULONG Compress(PVOID pvOutput, ULONG OutBufferSize, PVOID pvInput, ULONG InputSize)
{
LONG Result;
ucl_compress_config_t UclConfig;
struct
{
ULONG Magic;
ULONG CompressedSize;
} *pHeader;
FillMemory(&UclConfig, sizeof(UclConfig), -1);
UclConfig.bb_endian = 0;
UclConfig.bb_size = 32;
UclConfig.max_offset = 0x3FFFFF;
*(PULONG_PTR)&pHeader = (ULONG_PTR)pvOutput;
pHeader->CompressedSize = OutBufferSize - sizeof(*pHeader);
Result = ucl_nrv2e_99_compress(
(PBYTE)pvInput,
InputSize,
(PBYTE)(pHeader + 1),
(PUINT)&pHeader->CompressedSize,
NULL,
10,
&UclConfig,
NULL
);
pHeader->Magic = UCL_COMPRESS_MAGIC;
return pHeader->CompressedSize + sizeof(*pHeader);
}
int64_t lzbench_ucl_nrv2e_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char*)
{
ucl_uint complen;
int res = ucl_nrv2e_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL);
if (res != UCL_E_OK) return 0;
return complen;
}
void UclOutSaveFile::flush(void) {
int res;
if (_bufPos) {
if (_wasFlushed) {
// the engine flushed this file and afterwards wrote more data.
// this is unsupported because it results in savefiles that consist
// of two or more compressed segments.
printf("Error: 2nd call to UclOutSaveFile::flush!\n");
res = -1;
} else {
uint32 compSize = _bufPos * 2;
uint8 *compBuf = (uint8*)memalign(64, compSize + 8);
*(uint32*)(compBuf + 0) = UCL_MAGIC;
*(uint32*)(compBuf + 4) = _bufPos; // uncompressed size
res = ucl_nrv2e_99_compress(_buf, _bufPos, compBuf + 8, &compSize, NULL, 10, NULL, NULL);
if (res >= 0) {
res = _mc->write(_fd, compBuf, compSize + 8);
if (res != (int)compSize + 8) {
printf("flush: write failed, %d != %d\n", res, compSize + 8);
res = -1;
}
} else
printf("Unable to compress %d bytes of savedata, errorcode %d\n", _bufPos, res);
free(compBuf);
_bufPos = 0;
}
if (res < 0) {
_ioFailed = true;
printf("UclOutSaveFile::flush failed!\n");
if (_fd >= 0) {
// the file is broken; delete it
_mc->close(_fd);
res = _mc->remove(_fileName);
if (res == 0)
printf("File %s: remove ok\n", _fileName);
else
printf("File %s: remove error %d\n", _fileName, res);
_fd = -1;
}
}
}
}
int64_t lzbench_ucl_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t algo, size_t level, size_t)
{
ucl_uint complen;
int res;
switch (algo)
{
default:
case 1:
res = ucl_nrv2b_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL);
break;
case 2:
res = ucl_nrv2d_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL);
break;
case 3:
res = ucl_nrv2e_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL);
break;
}
if (res != UCL_E_OK) return 0;
return complen;
}
