You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
1.4 KiB
72 lines
1.4 KiB
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
#include <stdlib.h>
|
|
|
|
void malloc_no_free_bad() { int* p = malloc(sizeof(p)); }
|
|
|
|
int* malloc_returned_ok() {
|
|
int* p = malloc(sizeof(p));
|
|
return p;
|
|
}
|
|
|
|
void malloc_then_free_ok() {
|
|
int* p = malloc(sizeof(p));
|
|
if (p) {
|
|
*p = 5;
|
|
free(p);
|
|
}
|
|
}
|
|
|
|
int* create_p() {
|
|
int* p = malloc(sizeof(p));
|
|
return p;
|
|
}
|
|
|
|
void malloc_interproc_no_free_bad() { int* p = create_p(); }
|
|
|
|
void malloc_interproc_no_free_bad2() {
|
|
int* p = malloc(sizeof(p));
|
|
int z = 3;
|
|
int y = 4;
|
|
int* q = p;
|
|
}
|
|
|
|
void malloc_formal_leak_bad(int* x) { x = (int*)malloc(sizeof(int*)); }
|
|
|
|
static void* (*const malloc_func)(size_t) = malloc;
|
|
static void (*const free_func)(void*) = free;
|
|
|
|
void* malloc_via_ptr(size_t size) {
|
|
void* ret = NULL;
|
|
|
|
if (size <= 0) {
|
|
return NULL;
|
|
}
|
|
|
|
ret = malloc_func(size);
|
|
return ret;
|
|
}
|
|
|
|
void free_via_ptr(void* x) { free_func(x); }
|
|
|
|
void malloc_ptr_leak_bad() { int* p = (int*)malloc_via_ptr(sizeof(int)); }
|
|
|
|
void malloc_ptr_no_check_leak_bad() {
|
|
int* p = (int*)malloc_via_ptr(sizeof(int));
|
|
*p = 42;
|
|
}
|
|
|
|
void malloc_ptr_free_ok() {
|
|
int* p = (int*)malloc_via_ptr(sizeof(int));
|
|
free(p);
|
|
}
|
|
|
|
void malloc_ptr_free_ptr_ok() {
|
|
int* p = (int*)malloc_via_ptr(sizeof(int));
|
|
free_via_ptr(p);
|
|
}
|