| // RUN: %clang_analyze_cc1 -analyzer-checker=core,unix.Malloc -verify -analyzer-output=text %s |
| |
| // This file tests that unix.Malloc can handle C++ code where e.g. malloc and |
| // free are declared within the namespace 'std' by the header <cstdlib>. |
| |
| #include "Inputs/system-header-simulator-cxx.h" |
| |
| void leak() { |
| int *p = static_cast<int*>(std::malloc(sizeof(int))); // expected-note{{Memory is allocated}} |
| } // expected-warning{{Potential leak of memory pointed to by 'p'}} |
| // expected-note@-1{{Potential leak of memory pointed to by 'p'}} |
| |
| void no_leak() { |
| int *p = static_cast<int*>(std::malloc(sizeof(int))); |
| std::free(p); // no-warning |
| } |
| |
| void invalid_free() { |
| int i; |
| int *p = &i; |
| //expected-note@+2{{Argument to free() is the address of the local variable 'i', which is not memory allocated by malloc()}} |
| //expected-warning@+1{{Argument to free() is the address of the local variable 'i', which is not memory allocated by malloc()}} |
| std::free(p); |
| } |