Method LockBuffer

source/common/utility/zstring.cpp:171–190

}

char *FString::LockBuffer()
{
	if (Data()->RefCount == 1)
	{ // We're the only user, so we can lock it straight away
		Data()->RefCount = -1;
	}
	else if (Data()->RefCount < -1)
	{ // Already locked; just add to the lock count
		Data()->RefCount--;
	}
	else
	{ // Somebody else is also using this character buffer, so create a copy
		FStringData *old = Data();
		AllocBuffer (old->Len);
		StrCopy (Chars, old->Chars(), old->Len);
		old->Release();
		Data()->RefCount = -1;
	}
	return Chars;
}

void FString::UnlockBuffer()
{