clang-tools-extra/test/clang-tidy/infrastructure/static-analyzer-config.cpp

   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 }