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