Mercurial > hg
view contrib/fuzz/fuzzutil.cc @ 42713:2c1a484ce4d4 stable
test: further fixes to matching for run-tests.py bug
The fix in bac24a8a095a did not fix the full issue, because the extra number
also eat some of the separator space. Since we are already matching arbitrary
number of space, we easily fix the matching.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 09 Aug 2019 13:11:27 +0200 |
parents | a1c0873a9990 |
children |
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#include "fuzzutil.h" #include <cstring> #include <utility> contrib::optional<two_inputs> SplitInputs(const uint8_t *Data, size_t Size) { if (!Size) { return contrib::nullopt; } // figure out a random point in [0, Size] to split our input. size_t left_size = (Data[0] / 255.0) * (Size - 1); // Copy inputs to new allocations so if bdiff over-reads // AddressSanitizer can detect it. std::unique_ptr<char[]> left(new char[left_size]); std::memcpy(left.get(), Data + 1, left_size); // right starts at the next byte after left ends size_t right_size = Size - (left_size + 1); std::unique_ptr<char[]> right(new char[right_size]); std::memcpy(right.get(), Data + 1 + left_size, right_size); LOG(2) << "inputs are " << left_size << " and " << right_size << " bytes" << std::endl; two_inputs result = {std::move(right), right_size, std::move(left), left_size}; return result; }