block_util.c   block_util.c 
skipping to change at line 52 skipping to change at line 52
extern LZMA_API(lzma_vli) extern LZMA_API(lzma_vli)
lzma_block_unpadded_size(const lzma_block *block) lzma_block_unpadded_size(const lzma_block *block)
{ {
// Validate the values that we are interested in i.e. all but // Validate the values that we are interested in i.e. all but
// Uncompressed Size and the filters. // Uncompressed Size and the filters.
// //
// NOTE: This function is used for validation too, so it is // NOTE: This function is used for validation too, so it is
// essential that these checks are always done even if // essential that these checks are always done even if
// Compressed Size is unknown. // Compressed Size is unknown.
if (block == NULL || block->version != 0 if (block == NULL || block->version > 1
|| block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN || block->header_size < LZMA_BLOCK_HEADER_SIZE_MIN
|| block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX || block->header_size > LZMA_BLOCK_HEADER_SIZE_MAX
|| (block->header_size & 3) || (block->header_size & 3)
|| !lzma_vli_is_valid(block->compressed_size) || !lzma_vli_is_valid(block->compressed_size)
|| block->compressed_size == 0 || block->compressed_size == 0
|| (unsigned int)(block->check) > LZMA_CHECK_ID_MAX) || (unsigned int)(block->check) > LZMA_CHECK_ID_MAX)
return 0; return 0;
// If Compressed Size is unknown, return that we cannot know // If Compressed Size is unknown, return that we cannot know
// size of the Block either. // size of the Block either.
 End of changes. 1 change blocks. 
1 lines changed or deleted 1 lines changed or added

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