// RUN: %clang_analyze_cc1 -analyzer-checker=unix.MallocSizeof -verify %s #include void *malloc(size_t size); void *calloc(size_t nmemb, size_t size); void *realloc(void *ptr, size_t size); void free(void *ptr); struct A {}; struct B {}; void foo(unsigned int unsignedInt, unsigned int readSize) { // Sanity check the checker is working as expected. A* a = static_cast(malloc(sizeof(int))); // expected-warning {{Result of 'malloc' is converted to a pointer of type 'struct A', which is incompatible with sizeof operand type 'int'}} free(a); } void bar() { A *x = static_cast(calloc(10, sizeof(void*))); // expected-warning {{Result of 'calloc' is converted to a pointer of type 'struct A', which is incompatible with sizeof operand type 'void *'}} // sizeof(void*) is compatible with any pointer. A **y = static_cast(calloc(10, sizeof(void*))); // no-warning free(x); free(y); }