// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef BASE_PORT_H_ #define BASE_PORT_H_ #include <stdarg.h> #include "build/build_config.h" #ifdef COMPILER_MSVC #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) // It's possible for functions that use a va_list, such as StringPrintf, to // invalidate the data in it upon use. The fix is to make a copy of the // structure before using it and use that copy instead. va_copy is provided // for this purpose. MSVC does not provide va_copy, so define an // implementation here. It is not guaranteed that assignment is a copy, so the // StringUtil.VariableArgsFunc unit test tests this capability. #if defined(COMPILER_GCC) #define GG_VA_COPY(a, b) (va_copy(a, b)) #elif defined(COMPILER_MSVC) #define GG_VA_COPY(a, b) (a = b) #endif // Define an OS-neutral wrapper for shared library entry points #if defined(OS_WIN) #define API_CALL __stdcall #else #define API_CALL #endif #endif // BASE_PORT_H_