| 1 | // RUN: %clangxx -O0 %s -o %t |
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| 2 | // RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s |
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| 3 | // RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL |
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| 4 | |
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| 5 | // REQUIRES: stable-runtime && !ubsan && !darwin |
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| 6 | |
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| 7 | #include <stdio.h> |
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| 8 | |
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| 9 | extern "C" void *reallocarray(void *, size_t, size_t); |
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| 10 | |
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| 11 | int main() { |
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| 12 | void *p = reallocarray(nullptr, -1, 1000); |
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| 13 | // CHECK: {{ERROR: .*Sanitizer: reallocarray parameters overflow: count \* size \(.* \* 1000\) cannot be represented in type size_t}} |
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| 14 | |
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| 15 | printf(format: "reallocarray returned: %zu\n" , (size_t)p); |
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| 16 | // CHECK-NULL: reallocarray returned: 0 |
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| 17 | |
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| 18 | return 0; |
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| 19 | } |
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| 20 | |
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