21 lines
714 B
C++
21 lines
714 B
C++
// REQUIRES: static-analyzer
|
|
// RUN: clang-tidy %s -checks='-*,clang-analyzer-unix.Malloc' -config='{CheckOptions: [{ key: "clang-analyzer-unix.DynamicMemoryModeling:Optimistic", value: true}]}' -- | FileCheck %s
|
|
typedef __typeof(sizeof(int)) size_t;
|
|
void *malloc(size_t);
|
|
void free(void *);
|
|
void __attribute((ownership_returns(malloc))) *my_malloc(size_t);
|
|
void __attribute((ownership_takes(malloc, 1))) my_free(void *);
|
|
|
|
void f1() {
|
|
void *p = malloc(12);
|
|
return;
|
|
// CHECK: warning: Potential leak of memory pointed to by 'p' [clang-analyzer-unix.Malloc]
|
|
}
|
|
|
|
void af2() {
|
|
void *p = my_malloc(12);
|
|
my_free(p);
|
|
free(p);
|
|
// CHECK: warning: Attempt to free released memory [clang-analyzer-unix.Malloc]
|
|
}
|