compiler-rt/test/asan/TestCases/memcmp_strict_test.cpp

   1 // RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=strict_memcmp=0 %run %t
   2 // RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=strict_memcmp=1 not %run %t 2>&1 | FileCheck %s
   3 // Default to strict_memcmp=1.
   4 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   5
   6 #include <stdio.h>
   7 #include <string.h>
   8 int main() {
   9   char kFoo[] = "foo";
  10   char kFubar[] = "fubar";
  11   int res = memcmp(kFoo, kFubar, strlen(kFubar));
  12   printf("res: %d\n", res);
  13   // CHECK: AddressSanitizer: stack-buffer-overflow
  14   return 0;
  15 }