Fixed FP found with daca@home: ftp://ftp.de.debian.org/debian/pool/main/libs/libslirp/libslirp_4.7.0.orig.tar.bz2; head libslirp-v4.7.0/src/tftp.c:336:20: error: Invalid strcasecmp() argument nr 1. A nul-terminated string is required. [invalidFunctionArgStr]
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@ -130,7 +130,7 @@ void CheckFunctions::invalidFunctionUsage()
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if (Token::Match(argtok, "& %var% !![") && argtok->next() && argtok->next()->valueType()) {
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if (Token::Match(argtok, "& %var% !![") && argtok->next() && argtok->next()->valueType()) {
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const ValueType * valueType = argtok->next()->valueType();
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const ValueType * valueType = argtok->next()->valueType();
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const Variable * variable = argtok->next()->variable();
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const Variable * variable = argtok->next()->variable();
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if ((valueType->type == ValueType::Type::CHAR || (valueType->type == ValueType::Type::RECORD && Token::Match(argtok, "& %var% . %var% !!["))) &&
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if ((valueType->type == ValueType::Type::CHAR || (valueType->type == ValueType::Type::RECORD && Token::Match(argtok, "& %var% . %var% !!."))) &&
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!variable->isArray() &&
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!variable->isArray() &&
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(variable->isConst() || !variable->isGlobal()) &&
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(variable->isConst() || !variable->isGlobal()) &&
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(!argtok->next()->hasKnownValue() || argtok->next()->getValue(0) == nullptr)) {
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(!argtok->next()->hasKnownValue() || argtok->next()->getValue(0) == nullptr)) {
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@ -582,6 +582,21 @@ private:
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check("const char x = 'x'; size_t f() { return strlen(&x); }");
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check("const char x = 'x'; size_t f() { return strlen(&x); }");
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ASSERT_EQUALS("[test.cpp:1]: (error) Invalid strlen() argument nr 1. A nul-terminated string is required.\n", errout.str());
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ASSERT_EQUALS("[test.cpp:1]: (error) Invalid strlen() argument nr 1. A nul-terminated string is required.\n", errout.str());
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check("struct someStruct {\n"
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" union {\n"
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" struct {\n"
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" uint16_t nr;\n"
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" uint8_t d[40];\n"
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" } data;\n"
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" char buf[42];\n"
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" } x;\n"
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"};\n"
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"int f(struct someStruct * const tp, const int k)\n"
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"{\n"
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" return strcmp(&tp->x.buf[k], \"needle\");\n"
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"}");
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ASSERT_EQUALS("", errout.str());
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check("const char x = 'x'; size_t f() { char y = x; return strlen(&y); }");
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check("const char x = 'x'; size_t f() { char y = x; return strlen(&y); }");
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ASSERT_EQUALS("[test.cpp:1]: (error) Invalid strlen() argument nr 1. A nul-terminated string is required.\n", errout.str());
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ASSERT_EQUALS("[test.cpp:1]: (error) Invalid strlen() argument nr 1. A nul-terminated string is required.\n", errout.str());
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