liblzma/common/index_encoder.c

52 	lzma_index_coder *coder = coder_ptr;
65 	switch (coder->sequence) {
69 		coder->sequence = SEQ_COUNT;
73 		const lzma_vli count = lzma_index_block_count(coder->index);
74 		ret = lzma_vli_encode(count, &coder->pos,
80 		coder->pos = 0;
81 		coder->sequence = SEQ_NEXT;
87 				&coder->iter, LZMA_INDEX_ITER_BLOCK)) {
89 			coder->pos = lzma_index_padding_size(coder->index);
90 			assert(coder->pos <= 3);
91 			coder->sequence = SEQ_PADDING;
95 		coder->sequence = SEQ_UNPADDED;
101 		const lzma_vli size = coder->sequence == SEQ_UNPADDED
102 				? coder->iter.block.unpadded_size
103 				: coder->iter.block.uncompressed_size;
105 		ret = lzma_vli_encode(size, &coder->pos,
111 		coder->pos = 0;
114 		++coder->sequence;
119 		if (coder->pos > 0) {
120 			--coder->pos;
126 		coder->crc32 = lzma_crc32(out + out_start,
127 				*out_pos - out_start, coder->crc32);
129 		coder->sequence = SEQ_CRC32;
135 		// coder->crc32 to be touched anymore.
140 			out[*out_pos] = (coder->crc32 >> (coder->pos * 8))
144 		} while (++coder->pos < 4);
161 			coder->crc32 = lzma_crc32(out + out_start,
162 					out_used, coder->crc32);
170 index_encoder_end(void *coder, const lzma_allocator *allocator)
172 	lzma_free(coder, allocator);
178 index_encoder_reset(lzma_index_coder *coder, const lzma_index *i)
180 	lzma_index_iter_init(&coder->iter, i);
182 	coder->sequence = SEQ_INDICATOR;
183 	coder->index = i;
184 	coder->pos = 0;
185 	coder->crc32 = 0;
200 	if (next->coder == NULL) {
201 		next->coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
202 		if (next->coder == NULL)
209 	index_encoder_reset(next->coder, i);
241 	lzma_index_coder coder;
242 	index_encoder_reset(&coder, i);
247 	lzma_ret ret = index_encode(&coder, NULL, NULL, NULL, 0,