26 lines
847 B
C++
26 lines
847 B
C++
//===-- UuidCompatibility.h -------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Include this header if your system does not have a definition of uuid_t
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#ifndef utility_UUID_COMPATIBILITY_H
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#define utility_UUID_COMPATIBILITY_H
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// uuid_t is guaranteed to always be a 16-byte array
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typedef unsigned char uuid_t[16];
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// Return 1 if uuid is null, that is, all zeroes.
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inline __attribute__((always_inline)) int uuid_is_null(uuid_t uuid) {
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for (int i = 0; i < 16; i++)
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if (uuid[i])
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return 0;
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return 1;
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}
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#endif // utility_UUID_COMPATIBILITY_H
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