| // RUN: %clang_analyze_cc1 -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; |
| } |