1 // REQUIRES: static-analyzer
2 // RUN: clang-tidy %s -checks='-*,clang-analyzer-unix.Malloc' -config='{CheckOptions: [{ key: "clang-analyzer-unix.DynamicMemoryModeling:Optimistic", value: 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 
f1()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 
af2()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