Uninitialized variables; Fixed false positive in sizeof()
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@ -809,6 +809,9 @@ const Token *CheckUninitVar::checkExpr(const Token *tok, const Variable& var, co
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{
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if (!tok)
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return nullptr;
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if (Token::Match(tok->previous(), "sizeof|typeof|offsetof|decltype ("))
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return nullptr;
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if (tok->astOperand1()) {
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bool bailout1 = false;
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const Token *errorToken = checkExpr(tok->astOperand1(), var, alloc, known, &bailout1);
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@ -80,6 +80,7 @@ private:
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TEST_CASE(uninitvar_cpp11ArrayInit); // #7010
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TEST_CASE(uninitvar_rangeBasedFor); // #7078
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TEST_CASE(uninitvar_static); // #8734
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TEST_CASE(checkExpr);
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TEST_CASE(trac_4871);
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TEST_CASE(syntax_error); // Ticket #5073
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TEST_CASE(trac_5970);
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@ -4237,6 +4238,14 @@ private:
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ASSERT_EQUALS("", errout.str());
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}
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void checkExpr() {
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checkUninitVar("struct AB { int a; int b; };\n"
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"void f() {\n"
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" struct AB *ab = (struct AB*)calloc(1, sizeof(*ab));\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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}
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void trac_4871() { // #4871
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checkUninitVar("void pickup(int a) {\n"
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"bool using_planner_action;\n"
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