llvm-project/compiler-rt/test/msan/mktime.cc

27 lines
611 B
C++

// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
// RUN: %clangxx_msan -O0 -g -DUNINIT %s -o %t && not %run %t 2>&1 | FileCheck %s
#include <assert.h>
#include <time.h>
#include <sanitizer/msan_interface.h>
int main(void) {
struct tm tm;
tm.tm_year = 2014;
tm.tm_mon = 3;
tm.tm_mday = 28;
#ifndef UNINIT
tm.tm_hour = 13;
#endif
tm.tm_min = 4;
tm.tm_sec = 42;
tm.tm_isdst = -1;
time_t t = mktime(&tm);
// CHECK: MemorySanitizer: use-of-uninitialized-value
// CHECK: in main{{.*}}mktime.cc:[[@LINE-2]]
assert(t != -1);
assert(__msan_test_shadow(&tm, sizeof(tm)) == -1);
return 0;
}