forked from OSchip/llvm-project
39 lines
944 B
C++
39 lines
944 B
C++
// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.cstring,alpha.unix.cstring,debug.ExprInspection -analyzer-store=region -verify %s
|
|
|
|
#include "Inputs/system-header-simulator-cxx.h"
|
|
#include "Inputs/system-header-simulator-for-malloc.h"
|
|
|
|
void clang_analyzer_eval(int);
|
|
|
|
int *testStdCopyInvalidatesBuffer(std::vector<int> v) {
|
|
int n = v.size();
|
|
int *buf = (int *)malloc(n * sizeof(int));
|
|
|
|
buf[0] = 66;
|
|
|
|
// Call to copy should invalidate buf.
|
|
std::copy(v.begin(), v.end(), buf);
|
|
|
|
int i = buf[0];
|
|
|
|
clang_analyzer_eval(i == 66); // expected-warning {{UNKNOWN}}
|
|
|
|
return buf;
|
|
}
|
|
|
|
int *testStdCopyBackwardInvalidatesBuffer(std::vector<int> v) {
|
|
int n = v.size();
|
|
int *buf = (int *)malloc(n * sizeof(int));
|
|
|
|
buf[0] = 66;
|
|
|
|
// Call to copy_backward should invalidate buf.
|
|
std::copy_backward(v.begin(), v.end(), buf + n);
|
|
|
|
int i = buf[0];
|
|
|
|
clang_analyzer_eval(i == 66); // expected-warning {{UNKNOWN}}
|
|
|
|
return buf;
|
|
}
|