delta_decoder.c		delta_decoder.c
	skipping to change at line 28		skipping to change at line 28
	{		{
	const size_t distance = coder->distance;		const size_t distance = coder->distance;
	for (size_t i = 0; i < size; ++i) {		for (size_t i = 0; i < size; ++i) {
	buffer[i] += coder->history[(distance + coder->pos) & 0xFF];		buffer[i] += coder->history[(distance + coder->pos) & 0xFF];
	coder->history[coder->pos-- & 0xFF] = buffer[i];		coder->history[coder->pos-- & 0xFF] = buffer[i];
	}		}
	}		}
	static lzma_ret		static lzma_ret
	delta_decode(lzma_coder *coder, lzma_allocator *allocator,		delta_decode(lzma_coder *coder, const lzma_allocator *allocator,
	const uint8_t *restrict in, size_t *restrict in_pos,		const uint8_t *restrict in, size_t *restrict in_pos,
	size_t in_size, uint8_t *restrict out,		size_t in_size, uint8_t *restrict out,
	size_t *restrict out_pos, size_t out_size, lzma_action actio n)		size_t *restrict out_pos, size_t out_size, lzma_action actio n)
	{		{
	assert(coder->next.code != NULL);		assert(coder->next.code != NULL);
	const size_t out_start = *out_pos;		const size_t out_start = *out_pos;
	const lzma_ret ret = coder->next.code(coder->next.coder, allocator,		const lzma_ret ret = coder->next.code(coder->next.coder, allocator,
	in, in_pos, in_size, out, out_pos, out_size,		in, in_pos, in_size, out, out_pos, out_size,
	action);		action);
	decode_buffer(coder, out + out_start, *out_pos - out_start);		decode_buffer(coder, out + out_start, *out_pos - out_start);
	return ret;		return ret;
	}		}
	extern lzma_ret		extern lzma_ret
	lzma_delta_decoder_init(lzma_next_coder *next, lzma_allocator *allocator,		lzma_delta_decoder_init(lzma_next_coder *next, const lzma_allocator *alloca tor,
	const lzma_filter_info *filters)		const lzma_filter_info *filters)
	{		{
	next->code = &delta_decode;		next->code = &delta_decode;
	return lzma_delta_coder_init(next, allocator, filters);		return lzma_delta_coder_init(next, allocator, filters);
	}		}
	extern lzma_ret		extern lzma_ret
	lzma_delta_props_decode(void **options, lzma_allocator *allocator,		lzma_delta_props_decode(void **options, const lzma_allocator *allocator,
	const uint8_t *props, size_t props_size)		const uint8_t *props, size_t props_size)
	{		{
	if (props_size != 1)		if (props_size != 1)
	return LZMA_OPTIONS_ERROR;		return LZMA_OPTIONS_ERROR;
	lzma_options_delta *opt		lzma_options_delta *opt
	= lzma_alloc(sizeof(lzma_options_delta), allocator);		= lzma_alloc(sizeof(lzma_options_delta), allocator);
	if (opt == NULL)		if (opt == NULL)
	return LZMA_MEM_ERROR;		return LZMA_MEM_ERROR;
End of changes. 3 change blocks.
	3 lines changed or deleted		3 lines changed or added
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