diff options
Diffstat (limited to 'src/blockencodings.h')
| -rw-r--r-- | src/blockencodings.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/blockencodings.h b/src/blockencodings.h index fad1f56f54..0c2b83ebcf 100644 --- a/src/blockencodings.h +++ b/src/blockencodings.h @@ -52,12 +52,12 @@ public: } } - uint16_t offset = 0; + int32_t offset = 0; for (size_t j = 0; j < indexes.size(); j++) { - if (uint64_t(indexes[j]) + uint64_t(offset) > std::numeric_limits<uint16_t>::max()) + if (int32_t(indexes[j]) + offset > std::numeric_limits<uint16_t>::max()) throw std::ios_base::failure("indexes overflowed 16 bits"); indexes[j] = indexes[j] + offset; - offset = indexes[j] + 1; + offset = int32_t(indexes[j]) + 1; } } else { for (size_t i = 0; i < indexes.size(); i++) { @@ -186,6 +186,9 @@ public: READWRITE(prefilledtxn); + if (BlockTxCount() > std::numeric_limits<uint16_t>::max()) + throw std::ios_base::failure("indexes overflowed 16 bits"); + if (ser_action.ForRead()) FillShortTxIDSelector(); } |