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Rev 53508 Rev 55994
Line 49... Line 49...
49 
	if (filters == NULL || (unsigned int)(check) > LZMA_CHECK_ID_MAX
 49 
	if (filters == NULL || (unsigned int)(check) > LZMA_CHECK_ID_MAX
50 
			|| (in == NULL && in_size != 0) || out == NULL
 50 
			|| (in == NULL && in_size != 0) || out == NULL
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			|| out_pos_ptr == NULL || *out_pos_ptr > out_size)
 51 
			|| out_pos_ptr == NULL || *out_pos_ptr > out_size)
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		return LZMA_PROG_ERROR;
 52 
		return LZMA_PROG_ERROR;
53 
 
 53 
 
- 
 
 54 
	if (!lzma_check_is_supported(check))
- 
 
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		return LZMA_UNSUPPORTED_CHECK;
- 
 
 56 
 
54 
	// Note for the paranoids: Index encoder prevents the Stream from
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	// Note for the paranoids: Index encoder prevents the Stream from
55 
	// getting too big and still being accepted with LZMA_OK, and Block
 58 
	// getting too big and still being accepted with LZMA_OK, and Block
56 
	// encoder catches if the input is too big. So we don't need to
 59 
	// encoder catches if the input is too big. So we don't need to
57 
	// separately check if the buffers are too big.
 60 
	// separately check if the buffers are too big.
58 
 
 61 
 
Line 79... Line 82...
79 
			!= LZMA_OK)
 82 
			!= LZMA_OK)
80 
		return LZMA_PROG_ERROR;
 83 
		return LZMA_PROG_ERROR;
81 
 
 84 
 
82 
	out_pos += LZMA_STREAM_HEADER_SIZE;
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	out_pos += LZMA_STREAM_HEADER_SIZE;
83 
 
 86 
 
84 
	// Block
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	// Encode a Block but only if there is at least one byte of input.
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	lzma_block block = {
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	lzma_block block = {
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		.version = 0,
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		.version = 0,
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		.check = check,
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		.check = check,
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		.filters = filters,
 91 
		.filters = filters,
89 
	};
 92 
	};
90 
 
 93 
 
- 
 
 94 
	if (in_size > 0)
91 
	return_if_error(lzma_block_buffer_encode(&block, allocator,
 95 
		return_if_error(lzma_block_buffer_encode(&block, allocator,
92 
			in, in_size, out, &out_pos, out_size));
 96 
				in, in_size, out, &out_pos, out_size));
93 
 
 97 
 
94 
	// Index
 98 
	// Index
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	{
 99 
	{
96 
		// Create an Index with one Record.
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		// Create an Index. It will have one Record if there was
- 
 
 101 
		// at least one byte of input to encode. Otherwise the
- 
 
 102 
		// Index will be empty.
97 
		lzma_index *i = lzma_index_init(allocator);
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		lzma_index *i = lzma_index_init(allocator);
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		if (i == NULL)
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		if (i == NULL)
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			return LZMA_MEM_ERROR;
 105 
			return LZMA_MEM_ERROR;
100 
 
 106 
 
- 
 
 107 
		lzma_ret ret = LZMA_OK;
- 
 
 108 
 
- 
 
 109 
		if (in_size > 0)
101 
		lzma_ret ret = lzma_index_append(i, allocator,
 110 
			ret = lzma_index_append(i, allocator,
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				lzma_block_unpadded_size(&block),
 111 
					lzma_block_unpadded_size(&block),
103 
				block.uncompressed_size);
 112 
					block.uncompressed_size);
104 
 
 113 
 
105 
		// If adding the Record was successful, encode the Index
 114 
		// If adding the Record was successful, encode the Index
106 
		// and get its size which will be stored into Stream Footer.
 115 
		// and get its size which will be stored into Stream Footer.
107 
		if (ret == LZMA_OK) {
 116 
		if (ret == LZMA_OK) {
108 
			ret = lzma_index_buffer_encode(
 117 
			ret = lzma_index_buffer_encode(