56 lines
1.3 KiB

/*
* Copyright (c) 2017-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
void external_func(int* const*);
int const_local_no_abduce(int* p) {
external_func(&p);
return p ? *p : 0;
// We shouldn't get a stack address escape warning here
}
void set_ptr(int* ptr, int val) { *ptr = val; }
int set_ptr_local_array() {
int buf[2];
set_ptr(buf, 1);
return buf[0];
}
void set_ptr_local_array_return_true_ok() {
int* p = 0;
if (!set_ptr_local_array())
// not reachable if the analysis of set_ptr_local_array is correct
*p = 42;
}
int set_ptr_param_array(int buf[]) {
set_ptr(buf, 1);
return buf[0];
}
void set_ptr_param_array_return_true_ok() {
int buf[2];
int* p = 0;
if (!set_ptr_param_array(buf))
// not reachable if the analysis of set_ptr_local_array is correct
*p = 42;
}
void set_ptr_param_array_get_ptr_ok() {
int x = 0;
int* p = 0;
if (!set_ptr_param_array(&x))
// not reachable if the analysis of set_ptr_local_array is correct
*p = 42;
}
void FN_set_ptr_param_array_get_null_bad() {
// A null pointer dereference is expected here, but currently we get a
// PRECONDITION_NOT_MET
set_ptr_param_array(0);
}