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Diffstat (limited to 'src/liblzma/common/index.c')
| -rw-r--r-- | src/liblzma/common/index.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/liblzma/common/index.c b/src/liblzma/common/index.c index 1fe65650..d7025fff 100644 --- a/src/liblzma/common/index.c +++ b/src/liblzma/common/index.c @@ -114,6 +114,17 @@ struct lzma_index_s { }; +extern LZMA_API lzma_vli +lzma_index_memusage(lzma_vli count) +{ + if (count > LZMA_VLI_MAX) + return UINT64_MAX; + + return sizeof(lzma_index) + (count + INDEX_GROUP_SIZE - 1) + / INDEX_GROUP_SIZE * sizeof(lzma_index_group); +} + + static void free_index_list(lzma_index *i, lzma_allocator *allocator) { |