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Add check for packet of incorrect length (#629)

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Co-authored-by: Matt <matthew.morley.ca@gmail.com>
This commit is contained in:
Drew Williams
2022-12-08 19:22:31 -05:00
committed by GitHub
parent ec7bef7a4b
commit 643db9c435
7 changed files with 860 additions and 6 deletions
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14
photon-lib/src/main/native/include/photonlib/Packet.h
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@@ -99,13 +99,15 @@ class Packet {
*/
template <typename T>
Packet& operator>>(T& value) {
std::memcpy(&value, packetData.data() + readPos, sizeof(T));
if (!packetData.empty()) {
std::memcpy(&value, packetData.data() + readPos, sizeof(T));
if constexpr (wpi::support::endian::system_endianness() ==
wpi::support::endianness::little) {
// Reverse to little endian for host.
char& raw = reinterpret_cast<char&>(value);
std::reverse(&raw, &raw + sizeof(T));
if constexpr (wpi::support::endian::system_endianness() ==
wpi::support::endianness::little) {
// Reverse to little endian for host.
char& raw = reinterpret_cast<char&>(value);
std::reverse(&raw, &raw + sizeof(T));
}
}
readPos += sizeof(T);