libarchive/libarchive/archive_read_support_format_zip.c

179 	z_stream		stream;
251  * compressed byte from the stream, second one is to increase the counter how
914 	// data segment (stream) inside zip archive
916 	// offset of 'lzma properties data' from the beginning of lzma stream
918 	// end position of 'lzma properties data' in lzma stream
955 	// create and fill in lzma_alone_decoder stream
956 	lzma_stream stream = LZMA_STREAM_INIT;
957 	lzma_ret ret = lzma_alone_decoder(&stream, UINT64_MAX);
960 		stream.next_in = lzma_alone_compressed_buffer;
961 		stream.avail_in = lzma_alone_buffer_size;
962 		stream.total_in = 0;
963 		stream.next_out = (unsigned char*)uncompressed_buffer;
964 		stream.avail_out = uncompressed_buffer_size;
965 		stream.total_out = 0;
966 		ret = lzma_code(&stream, LZMA_RUN);
970 	lzma_end(&stream);
1661 	/* To unpack ZIPX's "LZMA" (id 14) stream we can use standard liblzma
1662 	 * that is a part of XZ Utils. The stream format stored inside ZIPX
1680 	/* The "lzma alone" file format and the stream format inside ZIPx are
1691 	 * parameters of this LZMA stream. The uncompressed_size field is an
1694 	 * The <data...> part is the actual lzma-compressed data stream.
1696 	 * Now here's the structure of the stream inside the ZIPX file:
1711 	 * stream, we simply need to shuffle around some fields, prepare a new
1714 	 * zipx lzma stream into the decoder.
1717 	/* Read magic1,magic2,lzma_params from the ZIPX stream. */
1763 		    "lzma stream initialization error");
1836 				    "xz premature end of stream");
1903 		/* These lzma_alone streams lack end of stream marker, so let's
1929 				    "lzma alone premature end of stream");
2010 		    "Truncated file data in PPMd8 stream");
2015 	/* Decode the stream's compression parameters. */
2023 		    "Invalid parameter set in PPMd8 stream (order=%" PRId32 ", "
2031 		    "Unable to allocate memory for PPMd8 stream: %" PRId32 " bytes",
2043 		    "PPMd8 stream range decoder initialization error");
2066 	/* We've already read 2 bytes in the output stream. Additionally,
2068 	 * are advancing the stream by 2 bytes plus whatever number of
2138 	/* If we're at the end of stream, deinitialize Ppmd8 context. */
2249 			/* If we're at the end of the stream, deinitialize the
2308 			r = inflateReset(&zip->stream);
2310 			r = inflateInit2(&zip->stream,
2319 		/* We've initialized decompression for this stream. */
2421 	 * A bug in zlib.h: stream.next_in should be marked 'const'
2426 	zip->stream.next_in = (Bytef *)(uintptr_t)(const void *)compressed_buff;
2427 	zip->stream.avail_in = (uInt)bytes_avail;
2428 	zip->stream.total_in = 0;
2429 	zip->stream.next_out = zip->uncompressed_buffer;
2430 	zip->stream.avail_out = (uInt)zip->uncompressed_buffer_size;
2431 	zip->stream.total_out = 0;
2433 	r = inflate(&zip->stream, 0);
2451 	bytes_avail = zip->stream.total_in;
2466 	*size = zip->stream.total_out;
2467 	zip->entry_uncompressed_bytes_read += zip->stream.total_out;
2994 		inflateEnd(&zip->stream);
3975 			zip->stream.next_in =
3977 			zip->stream.avail_in = (uInt)bytes_avail;
3978 			zip->stream.total_in = 0;
3979 			zip->stream.next_out = mp;
3980 			zip->stream.avail_out = (uInt)metadata_bytes;
3981 			zip->stream.total_out = 0;
3983 			r = inflate(&zip->stream, 0);
4002 			bytes_used = zip->stream.total_in;
4003 			metadata_bytes -= zip->stream.total_out;
4004 			mp += zip->stream.total_out;