1 | // REQUIRES: static-analyzer |
2 | // RUN: clang-tidy %s -checks='-*,clang-analyzer-unix.Malloc' -config='{CheckOptions: { "clang-analyzer-unix.DynamicMemoryModeling:Optimistic": true}}' -- | FileCheck %s |
3 | typedef __typeof(sizeof(int)) size_t; |
4 | void *malloc(size_t); |
5 | void free(void *); |
6 | void __attribute((ownership_returns(malloc))) *my_malloc(size_t); |
7 | void __attribute((ownership_takes(malloc, 1))) my_free(void *); |
8 | |
9 | void f1() { |
10 | void *p = malloc(12); |
11 | return; |
12 | // CHECK: warning: Potential leak of memory pointed to by 'p' [clang-analyzer-unix.Malloc] |
13 | } |
14 | |
15 | void af2() { |
16 | void *p = my_malloc(12); |
17 | my_free(p); |
18 | free(p); |
19 | // CHECK: warning: Attempt to free released memory [clang-analyzer-unix.Malloc] |
20 | } |
21 | |