libarchive/libarchive/archive_read_support_filter_lz4.c

330 		const char *read_buf;
333 		read_buf = __archive_read_filter_ahead(self->upstream, 4,
335 		if (read_buf == NULL) {
340 		uint32_t number = archive_le32dec(read_buf);
347 			read_buf = __archive_read_filter_ahead(
349 			if (read_buf == NULL) {
356 			uint32_t skip_bytes = archive_le32dec(read_buf);
375 	const char *read_buf;
382 	read_buf = __archive_read_filter_ahead(self->upstream, 2,
384 	if (read_buf == NULL) {
394 	flag = (unsigned char)read_buf[0];
408 	bd = (unsigned char)read_buf[1];
413 	switch (read_buf[1] >> 4) {
437 		read_buf = __archive_read_filter_ahead(self->upstream,
439 		if (read_buf == NULL) {
447 	chsum = __archive_xxhash.XXH32(read_buf, (int)descriptor_bytes -1, 0);
449 	chsum_verifier = read_buf[descriptor_bytes-1] & 0xff;
477 	const char *read_buf;
486 	read_buf = __archive_read_filter_ahead(self->upstream, 4,
488 	if (read_buf == NULL)
490 	compressed_size = archive_le32dec(read_buf);
512 	read_buf = __archive_read_filter_ahead(self->upstream,
514 	if (read_buf == NULL)
520 			read_buf + 4, (int)compressed_size, 0);
522 		    archive_le32dec(read_buf + 4 + compressed_size);
538 				    read_buf + 4,
544 				    read_buf + 4
551 		*p = read_buf + 4;
560 		uncompressed_size = LZ4_decompress_safe(read_buf + 4,
581 		    read_buf + 4,
588 		    read_buf + 4,
620 	const char *read_buf;
644 			read_buf = __archive_read_filter_ahead(self->upstream,
646 			if (read_buf == NULL) {
651 			checksum = archive_le32dec(read_buf);
676 	const char *read_buf;
685 	read_buf = __archive_read_filter_ahead(self->upstream, 4, NULL);
686 	if (read_buf == NULL) {
698 	compressed = archive_le32dec(read_buf);
705 	read_buf = __archive_read_filter_ahead(self->upstream,
707 	if (read_buf == NULL) {
712 	ret = LZ4_decompress_safe(read_buf + 4, state->out_block,