forked from OSchip/llvm-project
31 lines
819 B
C++
31 lines
819 B
C++
// RUN: %clangxx_msan -O0 -g %s -o %t && not %run %t
|
|
|
|
#include <assert.h>
|
|
#include <locale.h>
|
|
#include <sanitizer/msan_interface.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
|
|
int main(void) {
|
|
wchar_t q[10];
|
|
size_t n = wcsxfrm(q, L"abcdef", sizeof(q) / sizeof(wchar_t));
|
|
assert(n < sizeof(q));
|
|
__msan_check_mem_is_initialized(q, (n + 1) * sizeof(wchar_t));
|
|
|
|
locale_t loc = newlocale(LC_ALL_MASK, "", (locale_t)0);
|
|
|
|
__msan_poison(&q, sizeof(q));
|
|
n = wcsxfrm_l(q, L"qwerty", sizeof(q) / sizeof(wchar_t), loc);
|
|
assert(n < sizeof(q));
|
|
__msan_check_mem_is_initialized(q, (n + 1) * sizeof(wchar_t));
|
|
|
|
q[0] = 'A';
|
|
q[1] = '\x00';
|
|
__msan_poison(&q, sizeof(q));
|
|
wcsxfrm(NULL, q, 0);
|
|
|
|
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
|
|
// CHECK: in main {{.*}}wcsxfrm.cpp:25
|
|
return 0;
|
|
}
|