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20 lines
651 B
20 lines
651 B
7 months ago
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// RUN: %clangxx -O0 %s -o %t
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// RUN: %env_tool_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
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// RUN: %env_tool_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
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// REQUIRES: stable-runtime && !ubsan && !darwin
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#include <stdio.h>
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extern "C" void *reallocarray(void *, size_t, size_t);
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int main() {
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void *p = reallocarray(nullptr, -1, 1000);
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// CHECK: {{ERROR: .*Sanitizer: reallocarray parameters overflow: count \* size \(.* \* 1000\) cannot be represented in type size_t}}
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printf("reallocarray returned: %zu\n", (size_t)p);
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// CHECK-NULL: reallocarray returned: 0
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return 0;
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}
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