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[Base] BitStream: Prevent readout beyond buffer

This commit is contained in:
Gliniak 2022-10-09 12:24:46 +02:00
parent 17b3939bbf
commit 7975ea78d4
1 changed files with 1 additions and 1 deletions
src/xenia/base
bit_stream.cc

2
src/xenia/base/bit_stream.cc
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@ -36,7 +36,7 @@ uint64_t BitStream::Peek(size_t num_bits) {
assert_false(num_bits > 57); assert_false(num_bits > 57);
assert_false(offset_bits_ + num_bits > size_bits_); assert_false(offset_bits_ + num_bits > size_bits_);
size_t offset_bytes = offset_bits_ >> 3; size_t offset_bytes = std::min(offset_bits_ >> 3, (size_bits_ - 64) >> 3);
size_t rel_offset_bits = offset_bits_ - (offset_bytes << 3); size_t rel_offset_bits = offset_bits_ - (offset_bytes << 3);
// offset --> // offset -->