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/*
* 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>
int* malloc_no_check_bad() {
int* p = malloc(sizeof(int));
*p = 42;
return p;
}
void create_null_path_ok(int* p) {
if (p) {
*p = 32;
}
}
void call_create_null_path_then_deref_unconditionally_ok(int* p) {
create_null_path_ok(p);
*p = 52;
}
void create_null_path2_ok(int* p) {
int* q = NULL;
if (p) {
*p = 32;
}
// arguably bogus to check p above but not here, but the above could
// also be macro-generated code so both reporting and not reporting
// are sort of justifiable
*p = 52;
}
// combine several of the difficulties above
void malloc_then_call_create_null_path_then_deref_unconditionally_ok(int* p) {
int* x = malloc(sizeof(int));
if (p) {
*p = 32;
}
create_null_path_ok(p);
*p = 52;
free(x);
}