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fix potential fatal errors

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This commit is contained in:
MihailRis 2026-10-12 00:30:49 +03:00
parent 6f466d52f2
commit f246619c6b
3 changed files with 10 additions and 2 deletions
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3
src/coders/vec3.cpp
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@ -133,6 +133,9 @@ static model::Mesh load_mesh(
if (flags == FLAG_ZLIB) { if (flags == FLAG_ZLIB) {
throw std::runtime_error("compression is not supported yet"); throw std::runtime_error("compression is not supported yet");
} }
if (attributeCount <= 0) {
throw std::runtime_error("mesh must have at least one attribute");
}
std::vector<VertexAttribute> attributes; std::vector<VertexAttribute> attributes;
for (int i = 0; i < attributeCount; i++) { for (int i = 0; i < attributeCount; i++) {
attributes.push_back(load_attribute(reader)); attributes.push_back(load_attribute(reader));

3
src/io/io.cpp
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@ -152,6 +152,9 @@ std::vector<ubyte> io::read_bytes(const path& filename) {
std::string io::read_string(const path& filename) { std::string io::read_string(const path& filename) {
size_t size; size_t size;
auto bytes = read_bytes(filename, size); auto bytes = read_bytes(filename, size);
if (bytes == nullptr) {
throw std::runtime_error("could not read file " + filename.string());
}
return std::string((const char*)bytes.get(), size); return std::string((const char*)bytes.get(), size);
} }

6
src/logic/scripting/lua/libs/libnetwork.cpp
View file

@ -266,8 +266,10 @@ static int l_peek(lua::State* L, network::Network& network) {
static int l_available(lua::State* L, network::Network& network) { static int l_available(lua::State* L, network::Network& network) {
u64id_t id = lua::tointeger(L, 1); u64id_t id = lua::tointeger(L, 1);
if (auto connection = network.getConnection(id, false)) { if (auto connection = dynamic_cast<network::ReadableConnection*>(
return lua::pushinteger(L, dynamic_cast<network::TcpConnection*>(connection)->available()); network.getConnection(id, false)
)) {
return lua::pushinteger(L, connection->available());
} }
return 0; return 0;