minor updates

This commit is contained in:
jadebenn 2024-11-23 13:56:47 -08:00
parent 7740bbbaab
commit 6fa719c679
4 changed files with 14 additions and 14 deletions

View File

@ -4,10 +4,9 @@ project(Darkflame
LANGUAGES C CXX
)
# TEMP - Sanitizer flags
if (UNIX AND NOT APPLE)
# add_compile_options("-fsanitize=address,undefined" "-fvisibility=default")
add_compile_options("-fsanitize=undefined" "-fvisibility=default")
# Sanitizer flags - TODO: Make CMake preset before finalizing PR
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
add_compile_options("-fsanitize=undefined")
add_link_options("-fsanitize=undefined")
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
@ -285,7 +284,7 @@ if(MSVC)
# add_compile_options("/W4")
# Want to enable warnings eventually, but WAY too much noise right now
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
add_compile_options("-Wuninitialized" "-Wold-style-cast" "-Wstrict-aliasing")
add_compile_options("-Wuninitialized" "-Wold-style-cast" "-Wstrict-aliasing=01")
else()
message(WARNING "Unknown compiler: '${CMAKE_CXX_COMPILER_ID}' - No warning flags enabled.")
endif()

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@ -1,6 +1,7 @@
# Try and find a clang-16 install, falling back to a generic clang install otherwise
find_program(CLANG_C_COMPILER clang-16 | clang REQUIRED)
find_program(CLANG_CXX_COMPILER clang++-16 | clang++ REQUIRED)
find_program(CLANG_CXX_LINKER lld REQUIRED)
# Debug messages
message(DEBUG "CLANG_C_COMPILER = ${CLANG_C_COMPILER}")

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@ -53,9 +53,9 @@ bool static _IsSuffixChar(const uint8_t c) {
bool GeneralUtils::details::_NextUTF8Char(std::string_view& slice, uint32_t& out) {
const size_t rem = slice.length();
if (slice.empty()) return false;
const auto* bytes = &slice.front();
const char* const bytes = slice.data();
if (rem > 0) {
const uint8_t first = bytes[0];
const uint8_t first = static_cast<uint8_t>(bytes[0]);
if (first < 0x80) { // 1 byte character
out = static_cast<uint32_t>(first & 0x7F);
slice.remove_prefix(1);
@ -64,7 +64,7 @@ bool GeneralUtils::details::_NextUTF8Char(std::string_view& slice, uint32_t& out
// middle byte, not valid at start, fall through
} else if (first < 0xE0) { // two byte character
if (rem > 1) {
const uint8_t second = bytes[1];
const uint8_t second = static_cast<uint8_t>(bytes[1]);
if (_IsSuffixChar(second)) {
out = (static_cast<uint32_t>(first & 0x1F) << 6)
+ static_cast<uint32_t>(second & 0x3F);
@ -74,8 +74,8 @@ bool GeneralUtils::details::_NextUTF8Char(std::string_view& slice, uint32_t& out
}
} else if (first < 0xF0) { // three byte character
if (rem > 2) {
const uint8_t second = bytes[1];
const uint8_t third = bytes[2];
const uint8_t second = static_cast<uint8_t>(bytes[1]);
const uint8_t third = static_cast<uint8_t>(bytes[2]);
if (_IsSuffixChar(second) && _IsSuffixChar(third)) {
out = (static_cast<uint32_t>(first & 0x0F) << 12)
+ (static_cast<uint32_t>(second & 0x3F) << 6)
@ -86,9 +86,9 @@ bool GeneralUtils::details::_NextUTF8Char(std::string_view& slice, uint32_t& out
}
} else if (first < 0xF8) { // four byte character
if (rem > 3) {
const uint8_t second = bytes[1];
const uint8_t third = bytes[2];
const uint8_t fourth = bytes[3];
const uint8_t second = static_cast<uint8_t>(bytes[1]);
const uint8_t third = static_cast<uint8_t>(bytes[2]);
const uint8_t fourth = static_cast<uint8_t>(bytes[3]);
if (_IsSuffixChar(second) && _IsSuffixChar(third) && _IsSuffixChar(fourth)) {
out = (static_cast<uint32_t>(first & 0x07) << 18)
+ (static_cast<uint32_t>(second & 0x3F) << 12)

View File

@ -1396,7 +1396,7 @@ void HandlePacket(Packet* packet) {
}
default:
// Need to use memcpy instead of reinterpret_cast to avoid UB
// Need to use memcpy instead of reinterpret_cast to avoid misaligned reads, which are UB
auto messageId = MessageType::World::INVALID;
std::memcpy(&messageId, &packet->data[3], sizeof(MessageType::World));