int
adapt_init(void **data, int *level, int nthreads, uint64_t chunksize,
int file_version, compress_op_t op)
{
struct adapt_data *adat = (struct adapt_data *)(*data);
int rv = 0, lv = 1;
if (!adat) {
adat = (struct adapt_data *)slab_alloc(NULL, sizeof (struct adapt_data));
adat->adapt_mode = 1;
rv = ppmd_state_init(&(adat->ppmd_data), level, 0);
/*
* LZ4 is used to tackle some embedded archive headers and/or zero paddings in
* otherwise incompressible data. So we always use it at the lowest and fastest
* compression level.
*/
if (rv == 0)
rv = lz4_init(&(adat->lz4_data), &lv, nthreads, chunksize, file_version, op);
adat->lzma_data = NULL;
adat->bsc_data = NULL;
*data = adat;
if (*level > 9) *level = 9;
}
lzma_count = 0;
bzip2_count = 0;
ppmd_count = 0;
bsc_count = 0;
lz4_count = 0;
return (rv);
}
int
ppmd_init(void **data, int *level, int nthreads, uint64_t chunksize,
int file_version, compress_op_t op)
{
return (ppmd_state_init(data, level, 1));
}
