forked from OSchip/llvm-project
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.deadcode.UnreachableCode,experimental.core.CastSize,unix.Malloc -analyzer-store=region -verify %s
|
|
|
|
typedef __typeof(sizeof(int)) size_t;
|
|
void *malloc(size_t);
|
|
void free(void *);
|
|
void *realloc(void *ptr, size_t size);
|
|
void *calloc(size_t nmemb, size_t size);
|
|
|
|
// Test for radar://11110132.
|
|
struct Foo {
|
|
mutable void* m_data;
|
|
Foo(void* data) : m_data(data) {}
|
|
};
|
|
Foo aFunction() {
|
|
return malloc(10);
|
|
}
|
|
|
|
// Assume that functions which take a function pointer can free memory even if
|
|
// they are defined in system headers and take the const pointer to the
|
|
// allocated memory. (radar://11160612)
|
|
// Test default parameter.
|
|
int const_ptr_and_callback_def_param(int, const char*, int n, void(*)(void*) = 0);
|
|
void r11160612_3() {
|
|
char *x = (char*)malloc(12);
|
|
const_ptr_and_callback_def_param(0, x, 12);
|
|
}
|
|
|
|
// Test member function pointer.
|
|
struct CanFreeMemory {
|
|
static void myFree(void*);
|
|
};
|
|
//This is handled because we look at the type of the parameter(not argument).
|
|
void r11160612_3(CanFreeMemory* p) {
|
|
char *x = (char*)malloc(12);
|
|
const_ptr_and_callback_def_param(0, x, 12, p->myFree);
|
|
}
|
|
|