null pointers should not be dereferenced

It is still a pointer though, to use it you just have to cast it to another kind of pointer first. There are other problems with this code, as is noted in the rule. A reference to null should never be dereferenced/accessed. SonarQube Version 6.7.2 (build 37468) Is the God of a monotheism necessarily omnipotent? Connect and share knowledge within a single location that is structured and easy to search. Why pointers are not used in python? Explained by Sharing Culture It's even called out explicitly in C17 7.24.1p2: Where an argument declared as size_t n specifies the length of the array for a function, n can have the value zero on a call to that function. Just because something is a pointer does not mean you should call delete . The issue of passing n=0 to memcpy() is distinct from null or invalid pointers. Its purpose is to serve as a special value for a pointer that could indicate a special condition in your program. MSBuild SonarQube Runner Resharper Plugin receives skipping info errors File not in sonarqube, SonarQube jenkins plugin returns "Server returned HTTP response code: -1, message: 'null' for URL: https://api.github.com/user", SonarQube: Ignore issues in blocks not working with regex, sonarLint complains "Null pointers should not be dereferenced (squid:S2259)" despite that possibility being handled, Java: (false?) strongSwan - strongSwan Vulnerability (CVE-2023-26463) positive S2637 in SonarQube 6.7.1 LTS, Sonar false positive, "change condition so that it does not always evaluate to true. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Clearly the standard enumerates 1 case of undefined behavior, but makes no special mention of n=0. How can we prove that the supernatural or paranormal doesn't exist? SonarJava Version 5.9.2 (build 16552). If you preorder a special airline meal (e.g. The 4gig boundary will probably be important too with unsigned int in LP64, but since size_t will be 64-bit, there will have to be some truncation that compilers will be able to warn on. The solution that I recommend is not work with null returns or variables on Java, try to avoid it. All content is copyright protected. raiseException() return, Sonar The solution that I recommend is not work with null returns or variables on Java, try to avoid it. How can this new ban on drag possibly be considered constitutional? Can I tell police to wait and call a lawyer when served with a search warrant? You're in a company-managed project. )}"); SonarQube - Null Pointer Dereference Issue java simonsirak (Simon Sirak) June 14, 2018, 1:18pm 1 Hi! A nonnegative return value represents the number of bytes successfully read (the return value is a "signed size" type, usually the native integer type for the target platform). This is indeed an obvious False Positive from the rule. Finally my method is returning a response with value of restTemplate. Null Pointer

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