So it does not know if the second strlen will return the same value as the first one. Consider inspecting it. V5013. Any loop should be terminated with no more than one 'break' or 'goto' statement. Storing credentials inside source code can lead to security issues. Error on missing return statement under GCC. Use direct analyzer integration or compiler monitoring instead. Value of the essential character type should be used appropriately in the addition/subtraction operations. V1059. Consider checking the Nth actual argument of the 'Foo' function. MISRA. The 'throw' operator does not have any arguments and is not located within the 'catch' block. V6071. V3170. V739. It is possible that there is an error. Consider inspecting the expression. V732. V3062. It is possible that a typo is present inside the expression. The expression is always true/false. Variable is used after it is moved. The standard signal handling functions should not be used. MISRA. It is complaining because within the first for loop, if block returns v but else if block does not return anything. V6010. Asking for help, clarification, or responding to other answers. The total size limit is 20MB. The true value (VARIANT_TRUE) is defined as -1. rev2023.4.21.43403. V3136. The expression was implicitly cast from integer type to real type. OWASP. It is likely that a wrong variable is being compared inside the 'for' operator. MISRA. What were the poems other than those by Donne in the Melford Hall manuscript? Possible typo in the spelling of a pre-defined macro name. rev2023.4.21.43403. V3034. The standard signal handling functions should not be used. Potentially tainted data is used as a path. V3545. V5612. The expression, if present, is evaluated and then converted to the type returned by the function. Expression of the 'A - B > 0' kind will work as 'A != B'. V6032. A return statement ends the execution of a function, and returns control to the calling function. Intermodular analysis may be incomplete, as it is not run on all source files. Consider inspecting the loop expression. V5609. Consider using: static_cast/const_cast/reinterpret_cast. Bounds should not contain size of a buffer, but a number of characters it can hold. It will be closed before the method exits. The initial value of the index in the nested loop equals 'i'. V6103. The return value of the function should probably be compared with std::string::npos. V101. Unsafe invocation of event, NullReferenceException is possible. V2594. To use free version of PVS-Studio, source code files are required to start with a special comment. The argument was passed to method several times. V5001. Operands of the logical '&&' or the '||' operators, the '!' Find centralized, trusted content and collaborate around the technologies you use most. V104. Part of conditional expression is always true/false. V2613. Function receives suspicious argument. Unity Engine. MISRA. V111. To learn more, see our tips on writing great answers. the platforms: Continuous use of the analyzer in software development, Deploying the analyzer in cloud Continuous Integration services, Additional configuration and resolving issues. Nonsensical comparison: pointer < 0. V3115. AUTOSAR. Consider refactoring the 'Foo' function. V3503. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Then main returns a value of 0 (typically used to report success) to end the program. MISRA. V110. When a return statement contains an expression in functions that have a void return type, the compiler generates a warning, and the expression isn't evaluated. use custom JSON_THROW_USER without exceptions. V666. MISRA. MISRA. V611. Probably the '!=' should be used here. This can quickly overflow stack. It is possible that 'foo = bar == baz ? This expression can be simplified. Potential XEE vulnerability. Consider inspecting the function call. The 'if' 'else if' construct should be terminated with an 'else' statement. V686. V681. The compiler isn't going to go to very much trouble to detect this situation, because functions like throw_blah which are guaranteed to never return are rare, and because except in the simplest of situations, there's no way for it to reliably do so. MIP Model with relaxed integer constraints takes longer to solve than normal model, why? V3542. MISRA. It is possible that a wrong variable is incremented inside the 'for' operator. A part of conditional expression is always true/false if it is evaluated. See NN argument of function 'Foo' in derived class and base class. V814. A global object variable is declared in the header. The 'operator &&', 'operator ||', 'operator ,' and the unary 'operator &' should not be overloaded. V6013. V713. . : .' should be used here instead of 'foo = bar = baz ? Find centralized, trusted content and collaborate around the technologies you use most. density matrix. AUTOSAR. V3164. V753. V3071. The 'zero' value is assigned to pointer. V3187. V788. V3504. V5618. Generating points along line with specifying the origin of point generation in QGIS. See NN argument of function 'Foo' in derived class and base class. V2617. Functions' declarations with 'Foo' name differ in 'const' keyword only, while these functions' bodies have different composition. The 'i' variable should probably be incremented instead of the 'n' variable. V6043. AUTOSAR. AUTOSAR. V3158. V1079. Implementation of 'compareTo' overloads the method from a base class. Expressions with enum underlying type should have values corresponding to the enumerators of the enumeration. Review captured variable in lambda expression. V2583. Use memsize-type here. Consider inspecting the first parameter of 'getline' function. V6092. This will cause the loss of the higher bits. V3012. MISRA. Compiler may delete 'memset' function call that is used to clear 'Foo' buffer. V2567. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. V679. Functions should be declared in prototype form with named parameters. V2501. Return value is not always used. nlohmann/json.hpp:20017:5: warning: non-void function does not return a value in all control paths [-Wreturn-type], reference operator[](T* key) Destructor of the object will be invoked a second time after leaving the object's scope. Member operator[] of 'foo' class has a 32-bit type argument. Uninitialized variables are used when initializing the 'A' variable. Constant value is represented by an octal form. V803. V553. V635. A switch-expression should not have Boolean type. Potentially unsafe double-checked locking. V3185. Comparing value type variables with 'ReferenceEquals' is incorrect because compared values will be boxed. Quoting from gcc warning options page: -Wno-unused-result. V2508. The escape sequence ends with a letter and the next character is also a letter. The 'A' class contains 'Dispose' method. If you are treating warnings as errors, you may need to temporary disable that setting in order to compile the example. The result of an assignment expression should not be used. Consider inspecting the expression. V6019. The condition (ptr - const_value) is only false if the value of a pointer equals a magic constant. V823. Consider inspecting the NN argument of the 'Foo' function. Implicit type conversion from memsize type to 32-bit type. Dangerous cast of 'this' to 'void*' type in the 'Base' class, as it is followed by a subsequent cast to 'Class' type. Possible Zip Slip vulnerability. V3523. OWASP. V3120. V5604. V6047. AUTOSAR. The function is deprecated in the Win64 system. Arguably, this is a shortcoming in the compiler. In this case, we have the 'main' function. Suspicious division. Non-void function must return value. V3056. Consider refactoring the code. A void function will automatically return to the caller at the end of the function. V3076. Two 'if' statements with identical conditional expressions. V3047. V3015. V783. V3017. It is possible that ',' comma is missing at the end of the string. V1072. AUTOSAR. V6083. Consider checking the N format items of the 'Foo' function. As soon as your program hits that, it will stop executing the loop and return to the main function, performing only a single iteration of the loop. If you wish to call constructor, use 'this->Foo::Foo(.)'. Consider utilizing an explicit type cast to avoid the loss of a fractional part. Variable is not used after memory is allocated for it. A few are mentioned below: . Expression used in condition should have essential Boolean type. V578. V711. WPF: writing and reading are performed on a different Dependency Properties. MISRA. Use of constant NN. V6024. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Deprecated CLR switch was detected. Without re-registering for finalization, destructor will not be called a second time on resurrected object. Consider inspecting the expression. The virtual destructor is not present, although the 'Foo' class contains virtual functions. V2591. V2007. V3527. Consider reviewing the correctness of 'X' item's usage. Returning a value from a void function is a compile error. V1012. V3070. V551. V3085. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. AUTOSAR. Possible null dereference. The sizeof() operator returns pointer size instead of array size. Structures with members of real type are compared byte-wise. Argument of the '|' bitwise operation always contains non-zero value. AUTOSAR. Multiple copies of it will be created in all translation units that include this header file. V3026. V628. The argument's value is greater than the size of the collection. This recommendation encompasses ERR33-C. Detect and handle standard library errors. The resulting value may be inaccurate. This leads to the variable binding to a temporary object instead of a range element. An overflow of the 32-bit variable is possible inside a long cycle which utilizes a memsize-type loop counter. V3108. V574. Connect and share knowledge within a single location that is structured and easy to search. What should I follow, if two altimeters show different altitudes? Unsafe synchronization on an object. It is advised to pass arguments to std::unary_function/std::binary_function template as references. Class member is initialized with dangling reference. Ignored InterruptedException could lead to delayed thread shutdown. Consider inspecting the 'for' operator. Value of 'char' type is added to a string pointer. Decreased performance. V3051. V3516. Empty exception handler. V2557. Decreased performance. MISRA. MISRA. V2530. Early returns can be used in value-returning functions too: First, print() is called. V1076. This presents the compiler with a contradicting declaration and return. Two or more case-branches perform the same actions. Calling the 'SingleOrDefault' method may lead to 'InvalidOperationException'. This program prints the letters A and B on separate lines. MISRA. AUTOSAR. Suspicious operation of 'sizeof(X)/sizeof(T)' kind, where 'X' is of the 'class' type. Calling an overridden method in parent-class constructor may lead to use of uninitialized data. The value is assigned to the 'x' variable but is not used. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Maximum size of a vector is known at compile time. Just make it return, @NathanOliver One could imagine a slightly more complex example which was fully reasonable, like. Program contains an unused label and function call: 'CC:AA()'. A suspicious label is present inside a switch(). V6076. Perhaps, it is a typo and 'X' variable should be used instead of 'Y'. V3027. V748. Member invocation on this value may lead to an exception. V1054. Consider inspecting the expression. Suspicious expression 'A[B < C]'. V3021. It is possible that a line was commented out improperly, thus altering the program's operation logic. The operator '||' operator is surrounded by opposite expressions 'x' and '!x'. The 'static' keyword shall not be used between [] in the declaration of an array parameter.
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warning non void function does not return a value 2023