Merge pull request #660 from simartin/ticket_6596
Ticket #6596: Address of local variables can also be assigned to pointer-pointer arguments
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commit
124c4a0ac4
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@ -190,7 +190,8 @@ void CheckAutoVariables::autoVariables()
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errorAutoVariableAssignment(tok->next(), false);
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errorAutoVariableAssignment(tok->next(), false);
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}
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}
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tok = tok->tokAt(4);
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tok = tok->tokAt(4);
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} else if (Token::Match(tok, "[;{}] %var% [") && Token::Match(tok->linkAt(2), "] = & %var%") && isArrayArg(tok->next()) && isAutoVar(tok->linkAt(2)->tokAt(3))) {
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} else if (Token::Match(tok, "[;{}] %var% [") && Token::Match(tok->linkAt(2), "] = & %var%") &&
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(isPtrArg(tok->next()) || isArrayArg(tok->next())) && isAutoVar(tok->linkAt(2)->tokAt(3))) {
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const Token* const varTok = tok->linkAt(2)->tokAt(3);
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const Token* const varTok = tok->linkAt(2)->tokAt(3);
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if (checkRvalueExpression(varTok))
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if (checkRvalueExpression(varTok))
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errorAutoVariableAssignment(tok->next(), false);
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errorAutoVariableAssignment(tok->next(), false);
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@ -75,6 +75,7 @@ private:
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TEST_CASE(testautovar15); // ticket #6538
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TEST_CASE(testautovar15); // ticket #6538
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TEST_CASE(testautovar_array1);
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TEST_CASE(testautovar_array1);
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TEST_CASE(testautovar_array2);
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TEST_CASE(testautovar_array2);
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TEST_CASE(testautovar_ptrptr); // ticket #6956
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TEST_CASE(testautovar_return1);
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TEST_CASE(testautovar_return1);
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TEST_CASE(testautovar_return2);
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TEST_CASE(testautovar_return2);
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TEST_CASE(testautovar_return3);
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TEST_CASE(testautovar_return3);
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@ -424,6 +425,14 @@ private:
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ASSERT_EQUALS("[test.cpp:6]: (error) Address of local auto-variable assigned to a function parameter.\n", errout.str());
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ASSERT_EQUALS("[test.cpp:6]: (error) Address of local auto-variable assigned to a function parameter.\n", errout.str());
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}
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}
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void testautovar_ptrptr() { // #6596
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check("void remove_duplicate_matches (char **matches) {\n"
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" char dead_slot;\n"
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" matches[0] = (char *)&dead_slot;\n"
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"}");
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ASSERT_EQUALS("[test.cpp:3]: (error) Address of local auto-variable assigned to a function parameter.\n", errout.str());
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}
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void testautovar_return1() {
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void testautovar_return1() {
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check("int* func1()\n"
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check("int* func1()\n"
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"{\n"
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"{\n"
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