warning non void function does not return a valueproblems with oneness theology

V3511. OWASP. Consider naming the object. V3508. V1062. Initial and final values of the iterator are the same. V2597. OWASP. Variable is used after it is moved. MISRA. Array element should not be initialized more than once. Empty exception handler. A more efficient way is to check: str[0] != '\0'. It is possible that 'else' block was forgotten or commented out, thus altering the program's operation logics. Decreased performance. The standard input/output functions should not be used. The expression of 'foo(foo(x))' pattern is excessive or contains an error. The 'throw' keyword could be missing. OWASP. Property accessors use different backing fields. V824. V2527. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. V795. Therefore, printHi is given a void return type. Intermodular analysis may be incomplete, as it is not run on all source files. Function body contains the 'X' label that is not used by any 'goto' statements. Value may not correspond with the length of a string passed with YY argument. Converting integers or pointers to BOOL can lead to a loss of high-order bits. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Postfix increment/decrement is senseless because this variable is overwritten. Consider inspecting it for a possible error. Possibly meant: 'A += B'. V3123. A function should have a single point of exit at the end. MISRA. It is possible that other value should be present instead of '0'. Consider inspecting the 'for' operator. C compiling Error: non-void function does not return a value in all control paths - CS50. V5009. Variable is assigned but not used by the end of the function. That's why, the analyzer will not issue a warning. V1088. V539. Value of variable is checked after use. V3104. The 'then' statement is equivalent to the 'else' statement. Infinite loop is possible. MISRA. The value of uninitialized variable should not be used. Parameter of 'std::stop_token' type is not used inside function's body. OWASP. Potentially tainted data is used in the XPath expression. The 'A' class containing IDisposable members does not itself implement IDisposable. Storing credentials inside source code can lead to security issues. V3178. The ratio function returns the ratio of its two int arguments as a floating-point double value. V764. V3079. V1004. Passing these values into the method will result in an exception. There are identical sub-expressions to the left and to the right of the 'foo' operator. A component of TimeSpan is used, which does not represent full time interval. jump-statement: Storing credentials inside source code can lead to security issues. MISRA. V2570. V604. Range intersections are possible within conditional expressions. Literal suffixes should not contain lowercase characters. Identifiers that start with '__' or '_[A-Z]' are reserved. V6017. V3100. V5615. Possibly 'Total*' value was intended instead. V3109. V3159. Consider inspecting the expression. Possible incorrect order of arguments passed to method. OWASP. V3058. I will edit. V742. Consider pre-allocating it by calling reserve(N). But, do are you sure you want your return statement inside your loop to begin with? V3134. Consider assigning value to 'foo' variable instead of declaring it anew. V3543. The variable 'X' is being used for this loop and for the outer loop. V2561. Return value of function is written to N-bit variable. An unconditional 'break/continue/return/goto' within a loop. MISRA. Classes that define 'equals' method must also define 'hashCode' method. Usage of potentially invalid handle. The 'throw' keyword could be missing. Consider checking the first actual argument of the 'Foo' method. This may lead to undefined behavior. V3113. Consider inspecting the 'switch' statement. The 'if (ptr != NULL)' check can be removed. V1039. The expression is always false. V6078. V3132. Suspicious explicit conversion from 'float *' type to 'double *' type. The variable of char type is compared with pointer to string. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. A switch-label should only appear at the top level of the compound statement forming the body of a 'switch' statement. OWASP. V827. It is suspicious that variable is initialized through itself. Possible use of left shift operator instead of comparison operator. MISRA. The 'default' label should be either the first or the last label of a 'switch' statement. V3553. MISRA. V3039. Length of function body or class declaration is more than 2000 lines. Potentially tainted data is written into logs. V6092. error: non-void function does not return a value in all control paths [-Werror,-Wreturn-type]} bool is_full() { if() { return 1; } else if() { return 0; } else if() { return 1; } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 : The opportunity to suppress the warning was overlooked. The version of your suppress file is outdated. V762. V3052. Casts between a pointer and a non-integer arithmetic type should not be performed. V556. V2620. OWASP. Dangerous widening type conversion from an array of derived-class objects to a base-class pointer. Consider throwing it by value instead. The function is deprecated in the Win64 system. The '<' operator should probably be replaced with '<<'. MISRA. OWASP. V6011. Unbounded functions performing string operations should not be used. It is better to redefine the N function argument as a reference. Potential resurrection of 'this' object instance from destructor. V716. V2523. Consider replacing the call to the 'at()' method with the 'operator[]'. Consider inspecting the expression. MISRA. Potential incorrect use of item 'X'. V745. The variable is incremented in the loop. V6084. V008. V5627. An object is used as an argument to its own method. Perhaps, this is a typo and 'X' variable should be used instead of 'Y'. The object was created but it is not being used. Potentially unsafe double-checked locking. MISRA. The 'A' field should probably be returned/assigned instead. Expression 'A = B == C' is calculated as 'A = (B == C)'. V2592. Operand of sizeof() operator should not have other side effects. Conversions between pointers to objects and integer types should not be performed. V737. MISRA. V6081. V2584. To learn more, see our tips on writing great answers. NullReferenceException is possible. Negative value is implicitly converted to unsigned integer type in arithmetic expression. So GCC knows there is no possible control path that does not return a value, but it reported the warning (elevated to an error) anyway. It is probably unused, uninitialized, or already locked. V015. V2602. V2614. V3182. The expression is incorrect or can be simplified. V6024. Excessive check can be simplified. V109. Decreased performance. Virtual table pointer will be damaged. Potentially infinite loop. V3144. V523. Flexible array members should not be declared. Recurring sequence of explicit type casts. V6059. V2568. Suspicious precise comparison. The constant NN is being utilized. return reverseString return Check lines: N1, N2. V2506. V2576. V707. Some of the references in project are missing or incorrect. V3542. V2617. V2563. Try to avoid many return statements in your code. V6071. How do I stop the Flickering on Mode 13h? V629. V2615. For example, running this piece of code is working fine: While, on the other hand, if we try to use/call some function to complete the throw, it is facing the well known error/warning of: I am pretty curious about this as this is directly related to one of my other issue, where just like here, throw is working fine but using macro for throw is facing the same error. Probably meant 'A[B] < C'. OWASP. Thread.sleep() inside synchronized block/method may cause decreased performance. Examine the substrings "abc" and "abcd". Defining an absolute path to the file or directory is considered a poor style. This leads to undefined behavior. V2547. Potential XEE vulnerability. Consider inspecting the expression. Suspicious division. V2549. An odd precise comparison. The method does not override another method from the base class. V3114. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Please check projects and solution configurations. A value is being subtracted from the unsigned variable. MISRA. Suspicious type conversion: HRESULT -> BOOL (BOOL -> HRESULT). P.S. rev2023.4.21.43403. V694. In this lesson, well explore functions with a return type of void. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This will cause the loss of the higher bits. Consider inspecting virtual function arguments. Silent suppression of exceptions can hide the presence of bugs in source code during testing. An empty container is iterated. Possible null dereference. Suspicious assignment inside the conditional expression of 'if/while/dowhile' statement. :' operator uses constants from different enums. V1018. V667. Incorrect format. It may be an error. Variable of the 'string_view' type references a temporary object, which will be removed after evaluation of an expression. V6005. You signed in with another tab or window. How can I control PNP and NPN transistors together from one pin? V6102. V765. V1084. Loop may execute incorrectly or may not execute at all. Such a function results in undefined behavior. Using 'await' in a critical section may lead to a lock being released on a different thread. Let's consider an example. V771. Checking value for null will always return false when generic type is instantiated with a value type. Consider inspecting it. AUTOSAR. A private Ctor(SerializationInfo, StreamingContext) constructor in unsealed type will not be accessible when deserializing derived types. The variable is not used after copying. V3054. Potentially tainted data is used to create an object using deserialization. V2613. OWASP. Possible LDAP injection. V655. Consider inspecting the condition. Expressions with enum underlying type should have values corresponding to the enumerators of the enumeration. V529. The value of a composite expression should not be assigned to an object with wider essential type. Many programmers use parentheses to enclose the expression argument of the return statement. Variable 'foo' was assigned the same value. MISRA. Is a return statement mandatory for C++ functions that do not return void? The '&' or '|' operator is applied to bool type value. An abnormality within similar comparisons. Why typically people don't use biases in attention mechanism? Then main returns a value of 0 (typically used to report success) to end the program. The 'X' variable was not initialized. Expression's value is copied at the variable declaration. This can result in confusion. V5607. V5010. EOF should not be compared with a value of the 'char' type. V1002. warning: non-void function does not return a value Naimur Rahman 44 subscribers Subscribe 1 Share 316 views 6 months ago warning: non-void function does not return a value Show more Show more. The '? V3084. V6016. V3005. See documentation for details. MISRA. N argument has memsize type. The second condition is always false. MISRA. density matrix. OWASP. The 'while' operator has empty body. It is more efficient to search for 'X' character rather than a string. It is possible that a typo is present inside the expression. V5304. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, FWIW, compiling the example code on godbolt.org with, @EricPostpischil but compiler does not know if, Yes, it does know. This may break the program's logic. To learn more, see our tips on writing great answers. I am getting this error when trying to compile the below code. It calls strlen once and either jumps to .L1 or falls through to the then code, which rejoins at .L1. What risks are you taking when "signing in with Google"? Suspicious literal: '/r'. Consequently, the function needs to have a statement that returns the object of the corresponding type. (Experienced programmers will generally use a solitary. Use of uninitialized variable 'Foo'. Suspicious sequence of types castings: pointer -> memsize -> 32-bit integer. Deprecated CLR switch was detected. Executing this query may lead to an error. V643. Thus, these functionsdo not result inundefined behavior. An overflow of the 32-bit variable is possible inside a long cycle which utilizes a memsize-type loop counter. Why do we ask to use Business V3149. Such a statement will cause the function to return to the caller when the return statement is executed (before the function would otherwise return to the caller, hence, early). V2008. OWASP. V001. String literal is identical to variable name. AUTOSAR. The 'throw' operator does not have any arguments and is not located within the 'catch' block. Implicit type conversion N argument of function 'foo' to 32-bit type. V3101. V2596. in your code compiler does not know if the key will not be changed in the call to strlen as you pass a pointer (side effects). V3550. You are assuming that loop will always run, but, what if an empty string ends up getting submitted? The value range of the variable: [A, B]. If you haven't received our response, please do the following: check your Spam/Junk folder and click the A terminal null is present inside a string. Can the game be left in an invalid state if all state-based actions are replaced? V6063. It achieves the same as what you have but it only will add a line instead of modifying the whole function body, and it will be one allocation less ( int val = 0; ). Return value of 'Foo' function is required to be used. :' operation: implicit type conversion to memsize type. V2580. Thus, the analyzer will not issue a warning for the following code fragment: You can look at examples of errors detected by the V591 diagnostic. Quoting from gcc warning options page: -Wno-unused-result. Without re-registering for finalization, destructor will not be called a second time on resurrected object. The other reason is that void more clearly conveys that the function is supposed to not return a value, rather than return null specifically. V1027. V3012. Function 'Foo' writes/reads 'N' bytes. Use memsize type instead. V594. V3116. V1076. The resulting value could be inaccurate. If total energies differ across different software, how do I decide which software to use? MISRA. Possible typo inside the string literal. Microsoft-specific: In the Microsoft C implementation, the long long type is large enough to hold the product of two int values without overflow. Significant bits may be lost. MISRA. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The expression contains a suspicious mix of integer and real types. V3095. V3042. V581. The consent submitted will only be used for data processing originating from this website. Possible dereference of invalid iterator 'X'. V2543. V6075. The 'x' variable is assigned to itself. Consider checking the N format items of the 'Foo' function. Giving short names to global variables is considered to be bad practice. V537. V702. Storing credentials inside source code can lead to security issues. Possible XPath injection. V2005. V746. Shift by N bits is inconsistent with the size of type. Comparison with 'double.NaN' is meaningless. MISRA. Potentially unsafe double-checked locking. To tell the compiler that a function does not return a value, a return type of void is used. V648. V563. V1020. Size of every element in X array is not equal to divisor. MISRA. Potentially tainted data is used in the path toextractthe file. V3028. Unsafe synchronization on an object. V608. Member operator[] of object 'foo' is declared with 32-bit type argument, but is called with memsize type argument. If you have a function like throw_blah which is defined to never return, you can use the [[noreturn]] attribute to tell the compiler about it, and it will suppress the warning. V3027. One pair of parentheses is unnecessary or typo is present. Dereferencing the result of 'as' operator can lead to NullReferenceException. V683. Dangerous cast of 'this' to 'void*' type in the 'Base' class, as it is followed by a subsequent cast to 'Class' type. MISRA. Use of the throw (a, b); pattern. V6064. What is scrcpy OTG mode and how does it work? The '#pragma warning(push/pop)' should be used instead. Consider reviewing this value. A 'wchar_t *' type string is incorrectly converted to 'BSTR' type string. The functions from time.h/ctime should not be used.

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