24 lines · cpp
1// RUN: %clangxx_tsan -O1 %s -o %t2// RUN: %env_tsan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s3#include <stdio.h>4#include <stdlib.h>5 6int main() {7 void *p = malloc((size_t)-1);8 if (p != 0)9 fprintf(stderr, "FAIL malloc(-1) = %p\n", p);10 p = malloc((size_t)-1 / 2);11 if (p != 0)12 fprintf(stderr, "FAIL malloc(-1/2) = %p\n", p);13 p = calloc((size_t)-1, (size_t)-1);14 if (p != 0)15 fprintf(stderr, "FAIL calloc(-1, -1) = %p\n", p);16 p = calloc((size_t)-1 / 2, (size_t)-1 / 2);17 if (p != 0)18 fprintf(stderr, "FAIL calloc(-1/2, -1/2) = %p\n", p);19 fprintf(stderr, "OK\n");20}21 22// CHECK-NOT: FAIL23// CHECK-NOT: failed to allocate24