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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////
#ifndef UTIL_PORT_H_
#define UTIL_PORT_H_
#include <stdarg.h>
#if defined(_MSC_VER)
#define GG_LONGLONG(x) x##I64
#define GG_ULONGLONG(x) x##UI64
#else
#define GG_LONGLONG(x) x##LL
#define GG_ULONGLONG(x) x##ULL
#endif
// Per C99 7.8.14, define __STDC_CONSTANT_MACROS before including <stdint.h>
// to get the INTn_C and UINTn_C macros for integer constants. It's difficult
// to guarantee any specific ordering of header includes, so it's difficult to
// guarantee that the INTn_C macros can be defined by including <stdint.h> at
// any specific point. Provide GG_INTn_C macros instead.
#define GG_INT8_C(x) (x)
#define GG_INT16_C(x) (x)
#define GG_INT32_C(x) (x)
#define GG_INT64_C(x) GG_LONGLONG(x)
#define GG_UINT8_C(x) (x ## U)
#define GG_UINT16_C(x) (x ## U)
#define GG_UINT32_C(x) (x ## U)
#define GG_UINT64_C(x) GG_ULONGLONG(x)
// Define an OS-neutral wrapper for shared library entry points
#if defined(_WIN32)
#define API_CALL __stdcall
#else
#define API_CALL
#endif
#endif // UTIL_PORT_H_
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