warning non void function does not return a value

Code contains collection of similar blocks. Use volatile variable(s) or synchronization primitives to avoid this. V649. Three potential reasons for issue the warning (elevated to an error) in spite of this come to mind: Nonetheless, this is easy to work around. The assignment to a member of the readonly field will have no effect when the field is of a value type. If you do this, the last statement before End Function should be a Return statement. AUTOSAR. The address of an object with local scope should not be passed out of its scope. AUTOSAR. V713. V5623. Variable is not used after memory is allocated for it. Comparing objects of incompatible types. A pattern was detected: A || (A && ). Class destructor should not exit with an exception. Passing cheap-to-copy argument by reference may lead to decreased performance. V640. The main function calls two functions: report_square and report_ratio. Shift by N bits is greater than the size of type. The variable of char type is compared with pointer to string. This way, you won't miss messages from our team in the future. Silent suppression of exceptions can hide errors in source code during testing. V5008. V6033. V3151. Unary minus operator does not modify a bool type value. V692. The variable can be constructed in a lower level scope. In this lesson, well explore functions with a return type of void. Single-line comments should not end with a continuation token. V835. A function should not call itself either directly or indirectly. Incorrect format. One pair of parentheses is unnecessary or typo is present. Consider inspecting the loop expression. Dereferencing the result of null-conditional access operator can lead to NullReferenceException. V1001. V509. V303. V3170. If total energies differ across different software, how do I decide which software to use? Function result is saved inside the 'byte' type variable. V3107. V540. AUTOSAR. Variable should be declared in a scope that minimizes its visibility. AUTOSAR. Just make it return, @NathanOliver One could imagine a slightly more complex example which was fully reasonable, like. Class initialization cycle is present. V789. V524. Possible incorrect use of '#pragma warning(default: X)'. Function printHi has a void return type, meaning it doesnt return a value. V3127. Using 'await' in a critical section may lead to a lock being released on a different thread. V1007. Consider refactoring the code. V684. OWASP. Generating points along line with specifying the origin of point generation in QGIS. V6054. V748. Compiler may delete 'memset' function call that is used to clear 'Foo' buffer. Making statements based on opinion; back them up with references or personal experience. On 32-bit/64-bit platform, structure size can be reduced from N to K bytes by rearranging the fields according to their sizes in decreasing order. Did the drapes in old theatres actually say "ASBESTOS" on them? V6069. It is possible that 'i < X.size()' should be used instead of 'X.size()'. The expression is checked for compatibility with the type 'A', but is casted to the 'B' type. V3059. Does a password policy with a restriction of repeated characters increase security? In such a case, the comparison operation may behave unexpectedly. The 'static' storage class specifier should be used in all declarations of functions that have internal linkage. Consider casting operands, not the result. V2578. rev2023.4.21.43403. The field will have default value on different threads. V1043. V3033. V3102. V2608. Three potential reasons for issue the warning (elevated to an error) in spite of this come to mind: Due to the way the compiler is constructed, warnings are generally reported early, and suppressing this warning based on later analysis would be difficult. Signed integer overflow in arithmetic expression. It is suspicious that the 'foo' field in derived class overwrites field in base class. OWASP. V119. It is suspicious that the result of the statement is a part of the condition. V813. Therefore, printHi is given a void return type. It can result in an overflow. V121. V1011. V5612. V768. "Signpost" puzzle from Tatham's collection, QGIS automatic fill of the attribute table by expression, Generating points along line with specifying the origin of point generation in QGIS. Consider inspecting the 'for' operator. OWASP. Then main returns a value of 0 (typically used to report success) to end the program. rev2023.4.21.43403. V014. Variables are initialized through the call to the same function. The 'x' variable is assigned values twice successively. V1081. V6009. V2553. V6038. Consider inspecting this expression. AUTOSAR. Thanks for contributing an answer to Stack Overflow! Cannot determine active configuration for project. Which language's style guidelines should be used when writing code that is supposed to be called from another language? Only the first member of enumerator list should be explicitly initialized, unless all members are explicitly initialized. V013. The variable is assigned but is not used by the end of the function. MISRA. The value of an expression is a potentially destroyed Unity object or null. The expression is excessive or contains a logical error. An odd precise comparison. The result of the right shift operation will always be 0. MISRA. Consider inspecting the program's logic. IDisposable object is not disposed before method returns. V542. V1087. V3068. V594. V122. MISRA. Potential division by zero. The value of uninitialized variable should not be used. An enumeration was declared with 'Flags' attribute, but does not set any initializers to override default values. V2004. V6102. hi, at least for bool keyPressed(ofKeyEventArgs& args) it should return false as the default otherwise the event propagation will stop.. in glTypeForImageType(int imageType)I would simply add return 0; at the end of the function. Thanks for contributing an answer to Stack Overflow! Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? MISRA. The compiler may issue a warning diagnostic message about unreachable code if it finds any statements placed after the return statement. Unconditional 'break/continue/return/goto' within a loop. Suspicious access to element by a constant index inside a loop. V716. Probably meant: '\xNN'. Quoting from gcc warning options page: -Wno-unused-result. V6083. Potentially tainted data might be used to execute a malicious script.

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