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@ -55,6 +55,7 @@ static void tar_write_last(void);
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#pragma mark DECLARE READ BUFFER
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#pragma mark DECLARE READ BUFFER
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#define STREAMSIZE (1024 * 1024)
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#define STREAMSIZE (1024 * 1024)
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#define MAXSPLITSIZE (64 * 1024 * 1024) // xz -9 blocksize
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static pipeline_item_t *gRbufPI = NULL;
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static pipeline_item_t *gRbufPI = NULL;
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static io_block_t *gRbuf = NULL;
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static io_block_t *gRbuf = NULL;
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@ -71,7 +72,7 @@ static void rbuf_consume(size_t bytes);
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static void rbuf_dispatch(void);
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static void rbuf_dispatch(void);
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static bool read_header(lzma_check *check);
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static bool read_header(lzma_check *check);
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static bool read_block(lzma_check check);
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static bool read_block(bool force_stream, lzma_check check);
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static void read_streaming(lzma_block *block);
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static void read_streaming(lzma_block *block);
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static void read_index(void);
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static void read_index(void);
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static void read_footer(void);
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static void read_footer(void);
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@ -328,7 +329,7 @@ static bool read_header(lzma_check *check) {
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return true;
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return true;
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}
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}
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static bool read_block(lzma_check check) {
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static bool read_block(bool force_stream, lzma_check check) {
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lzma_filter filters[LZMA_FILTERS_MAX + 1];
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lzma_filter filters[LZMA_FILTERS_MAX + 1];
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lzma_block block = { .filters = filters, .check = check, .version = 0 };
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lzma_block block = { .filters = filters, .check = check, .version = 0 };
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@ -346,7 +347,9 @@ static bool read_block(lzma_check check) {
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die("Error decoding block header");
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die("Error decoding block header");
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size_t comp = block.compressed_size, outsize = block.uncompressed_size;
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size_t comp = block.compressed_size, outsize = block.uncompressed_size;
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if (comp == LZMA_VLI_UNKNOWN || outsize == LZMA_VLI_UNKNOWN) {
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if (force_stream || comp == LZMA_VLI_UNKNOWN
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|| outsize == LZMA_VLI_UNKNOWN
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|| outsize > MAXSPLITSIZE) {
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read_streaming(&block);
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read_streaming(&block);
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} else {
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} else {
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block_capacity(gRbuf, 0, outsize);
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block_capacity(gRbuf, 0, outsize);
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@ -447,7 +450,7 @@ static void read_thread_noindex(void) {
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lzma_check check = LZMA_CHECK_NONE;
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lzma_check check = LZMA_CHECK_NONE;
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while (read_header(&check)) {
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while (read_header(&check)) {
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empty = false;
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empty = false;
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while (read_block(check))
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while (read_block(false, check))
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; // pass
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; // pass
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read_index();
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read_index();
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read_footer();
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read_footer();
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@ -495,6 +498,12 @@ static void read_thread(void) {
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fseeko(gInFile, boffset, SEEK_SET);
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fseeko(gInFile, boffset, SEEK_SET);
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offset = boffset;
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offset = boffset;
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}
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}
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if (iter.block.uncompressed_size > MAXSPLITSIZE) { // must stream
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if (gRbuf)
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rbuf_consume(gRbuf->insize); // clear
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read_block(true, iter.stream.flags->check);
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} else {
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ib->insize = fread(ib->input, 1, bsize, gInFile);
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ib->insize = fread(ib->input, 1, bsize, gInFile);
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if (ib->insize < bsize)
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if (ib->insize < bsize)
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die("Error reading block contents");
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die("Error reading block contents");
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@ -504,6 +513,7 @@ static void read_thread(void) {
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pipeline_split(pi);
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pipeline_split(pi);
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}
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}
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}
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pipeline_stop();
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pipeline_stop();
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}
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}
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