liblzma/common/index_encoder.c

53 	lzma_index_coder *coder = coder_ptr;
66 	switch (coder->sequence) {
70 		coder->sequence = SEQ_COUNT;
74 		const lzma_vli count = lzma_index_block_count(coder->index);
75 		ret = lzma_vli_encode(count, &coder->pos,
81 		coder->pos = 0;
82 		coder->sequence = SEQ_NEXT;
88 				&coder->iter, LZMA_INDEX_ITER_BLOCK)) {
90 			coder->pos = lzma_index_padding_size(coder->index);
91 			assert(coder->pos <= 3);
92 			coder->sequence = SEQ_PADDING;
96 		coder->sequence = SEQ_UNPADDED;
102 		const lzma_vli size = coder->sequence == SEQ_UNPADDED
103 				? coder->iter.block.unpadded_size
104 				: coder->iter.block.uncompressed_size;
106 		ret = lzma_vli_encode(size, &coder->pos,
112 		coder->pos = 0;
115 		++coder->sequence;
120 		if (coder->pos > 0) {
121 			--coder->pos;
127 		coder->crc32 = lzma_crc32(out + out_start,
128 				*out_pos - out_start, coder->crc32);
130 		coder->sequence = SEQ_CRC32;
136 		// coder->crc32 to be touched anymore.
141 			out[*out_pos] = (coder->crc32 >> (coder->pos * 8))
145 		} while (++coder->pos < 4);
156 	coder->crc32 = lzma_crc32(out + out_start,
157 			*out_pos - out_start, coder->crc32);
164 index_encoder_end(void *coder, const lzma_allocator *allocator)
166 	lzma_free(coder, allocator);
172 index_encoder_reset(lzma_index_coder *coder, const lzma_index *i)
174 	lzma_index_iter_init(&coder->iter, i);
176 	coder->sequence = SEQ_INDICATOR;
177 	coder->index = i;
178 	coder->pos = 0;
179 	coder->crc32 = 0;
194 	if (next->coder == NULL) {
195 		next->coder = lzma_alloc(sizeof(lzma_index_coder), allocator);
196 		if (next->coder == NULL)
203 	index_encoder_reset(next->coder, i);
235 	lzma_index_coder coder;
236 	index_encoder_reset(&coder, i);
241 	lzma_ret ret = index_encode(&coder, NULL, NULL, NULL, 0,