static void
filter_xz_init(struct io_lzma *io, lzma_stream *s)
{
uint32_t preset;
lzma_check check = LZMA_CHECK_CRC64;
#ifdef HAVE_LZMA_MT
lzma_mt mt_options = {
.flags = 0,
.threads = sysconf(_SC_NPROCESSORS_ONLN),
.block_size = 0,
.timeout = 0,
.filters = NULL,
.check = check,
};
#endif
lzma_ret ret;
io->status |= DPKG_STREAM_COMPRESS;
preset = io->params->level;
if (io->params->strategy == COMPRESSOR_STRATEGY_EXTREME)
preset |= LZMA_PRESET_EXTREME;
#ifdef HAVE_LZMA_MT
mt_options.preset = preset;
ret = lzma_stream_encoder_mt(s, &mt_options);
#else
ret = lzma_easy_encoder(s, preset, check);
#endif
if (ret != LZMA_OK)
filter_lzma_error(io, ret);
}
static int
filter_lzma_code(struct io_lzma *io, lzma_stream *s)
{
lzma_ret ret;
ret = lzma_code(s, io->action);
if (ret != LZMA_OK && ret != LZMA_STREAM_END)
filter_lzma_error(io, ret);
return ret;
}
static void
filter_lzma_init(struct io_lzma *io, lzma_stream *s)
{
uint32_t preset;
lzma_options_lzma options;
lzma_ret ret;
io->status |= DPKG_STREAM_COMPRESS;
preset = io->params->level;
if (io->params->strategy == COMPRESSOR_STRATEGY_EXTREME)
preset |= LZMA_PRESET_EXTREME;
if (lzma_lzma_preset(&options, preset))
filter_lzma_error(io, LZMA_OPTIONS_ERROR);
ret = lzma_alone_encoder(s, &options);
if (ret != LZMA_OK)
filter_lzma_error(io, ret);
}
static int
filter_lzma_code(struct io_lzma *io, lzma_stream *s)
{
lzma_ret ret;
ret = lzma_code(s, io->action);
if (ret != LZMA_OK && ret != LZMA_STREAM_END)
filter_lzma_error(io, ret);
return ret;
}
static void
filter_unlzma_init(struct io_lzma *io, lzma_stream *s)
{
uint64_t memlimit = UINT64_MAX;
lzma_ret ret;
io->status |= DPKG_STREAM_DECOMPRESS;
ret = lzma_alone_decoder(s, memlimit);
if (ret != LZMA_OK)
filter_lzma_error(io, ret);
}
static void
filter_xz_init(struct io_lzma *io, lzma_stream *s)
{
uint32_t preset;
lzma_ret ret;
io->status |= DPKG_STREAM_COMPRESS;
preset = io->params->level;
if (io->params->strategy == COMPRESSOR_STRATEGY_EXTREME)
preset |= LZMA_PRESET_EXTREME;
ret = lzma_easy_encoder(s, preset, LZMA_CHECK_CRC32);
if (ret != LZMA_OK)
filter_lzma_error(io, ret);
}
