const GRState *stateNotNull, *stateNull;
llvm::tie(stateNotNull, stateNull) = CM.AssumeDual(state, RetVal);
- SymbolRef Sym = RetVal.getAsSymbol();
- assert(Sym);
-
- // if RetVal is not NULL, set the symbol's state to Opened.
- stateNotNull = stateNotNull->set<StreamState>(Sym,StreamState::getOpened(CE));
- stateNull = stateNull->set<StreamState>(Sym, StreamState::getOpenFailed(CE));
-
- C.addTransition(stateNotNull);
- C.addTransition(stateNull);
+ if (SymbolRef Sym = RetVal.getAsSymbol()) {
+ // if RetVal is not NULL, set the symbol's state to Opened.
+ stateNotNull =
+ stateNotNull->set<StreamState>(Sym,StreamState::getOpened(CE));
+ stateNull =
+ stateNull->set<StreamState>(Sym, StreamState::getOpenFailed(CE));
+
+ C.addTransition(stateNotNull);
+ C.addTransition(stateNull);
+ }
}
void StreamChecker::Fclose(CheckerContext &C, const CallExpr *CE) {
const GRState *state,
CheckerContext &C) {
SymbolRef Sym = state->getSVal(CE->getArg(0)).getAsSymbol();
- assert(Sym);
+ if (!Sym)
+ return state;
const StreamState *SS = state->get<StreamState>(Sym);