Function ForceHeader

apps/fuzzers/Fuzzer/fuzz_structure.hpp:23–31

Overwrite the first hdrLen bytes of the input with hdr, keep data[hdrLen..] as the fuzzable body. A shorter-than-header input becomes just the header.

// Overwrite the first hdrLen bytes of the input with hdr, keep data[hdrLen..] as the
// fuzzable body. A shorter-than-header input becomes just the header.
inline std::vector<uint8_t> ForceHeader(const uint8_t* hdr, size_t hdrLen, const uint8_t* data, size_t size)
{
    std::vector<uint8_t> out(hdr, hdr + hdrLen);
    if (size > hdrLen)
    {
        out.insert(out.end(), data + hdrLen, data + size);
    }
    return out;
}
} // namespace fuzz