Explicitly disable certain warnings in code

This code is good as-is, they cannot be adjusted to suppress the warnings while still guaranteeing its functionality.

r5dev/engine/host_state.cpp

@@ -75,11 +75,16 @@ void CHostState::FrameUpdate(CHostState* pHostState, double flCurrentTime, float
 #endif // !DEDICATED
 
 	HostStates_t oldState{};
+
+	// Disable "warning C4611: interaction between '_setjmp' and C++ object destruction is non-portable"
+#pragma warning(push)
+#pragma warning(disable : 4611)
 	if (setjmp(*host_abortserver))
 	{
 		g_pHostState->Init();
 		return;
 	}
+#pragma warning(pop)
 	else
 	{
 #ifndef CLIENT_DLL

r5dev/public/utility/sigcache.cpp

@@ -144,7 +144,10 @@ bool CSigCache::LoadCache(const string& svCacheFile)
 		return false;
 	}
 
+#pragma warning(push)           // Disabled type conversion warning, as it is possible
+#pragma warning(disable : 4244) // for Protobuf to migrate this code to feature size_t.
 	if (!m_Cache.ParseFromArray(pDstBuf.get(), header.m_nBlobSizeMem))
+#pragma warning(pop)
 	{
 		return false;
 	}

r5dev/squirrel/sqvm.cpp

@@ -34,7 +34,10 @@ SQRESULT SQVM_PrintFunc(HSQUIRRELVM v, SQChar* fmt, ...)
 	eDLL_T remoteContext;
 	// We use the sqvm pointer as index for SDK usage as the function prototype has to match assembly.
 	// The compiler 'pointer truncation' warning couldn't be avoided, but it's safe to ignore it.
+#pragma warning(push)
+#pragma warning(disable : 4302 4311)
 	switch (static_cast<SQCONTEXT>(reinterpret_cast<int>(v)))
+#pragma warning(pop)
 	{
 	case SQCONTEXT::SERVER:
 		remoteContext = eDLL_T::SCRIPT_SERVER;

r5dev/tier1/strtools.cpp

@@ -629,8 +629,11 @@ V_MakeAbsolutePath(char* pOut, size_t outLen, const char* pPath, const char* pSt
 			}
 #else
 			{
+#pragma warning(push) // Disabled type conversion warning, as some implementations of '_getcwd' take a size_t.
+#pragma warning(disable : 4267)
 				if (!_getcwd(pOut, outLen))
 					Error(eDLL_T::COMMON, EXIT_FAILURE, "V_MakeAbsolutePath: _getcwd failed.");
+#pragma warning(pop)
 			}
 #endif