1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_PORT_H_ 6 #define BASE_PORT_H_ 7 8 #include <stdarg.h> 9 #include "build/build_config.h" 10 11 // DEPRECATED: Use ...LL and ...ULL suffixes. 12 // TODO(viettrungluu): Delete these. These are only here until |GG_(U)INT64_C| 13 // are deleted (some other header files (re)define |GG_(U)INT64_C|, so our 14 // definitions of them must exactly match theirs). 15 #ifdef COMPILER_MSVC 16 #define GG_LONGLONG(x) x##I64 17 #define GG_ULONGLONG(x) x##UI64 18 #else 19 #define GG_LONGLONG(x) x##LL 20 #define GG_ULONGLONG(x) x##ULL 21 #endif 22 23 // DEPRECATED: In Chromium, we force-define __STDC_CONSTANT_MACROS, so you can 24 // just use the regular (U)INTn_C macros from <stdint.h>. 25 // TODO(viettrungluu): Remove the remaining GG_(U)INTn_C macros. 26 #define GG_INT64_C(x) GG_LONGLONG(x) 27 #define GG_UINT64_C(x) GG_ULONGLONG(x) 28 29 // It's possible for functions that use a va_list, such as StringPrintf, to 30 // invalidate the data in it upon use. The fix is to make a copy of the 31 // structure before using it and use that copy instead. va_copy is provided 32 // for this purpose. MSVC does not provide va_copy, so define an 33 // implementation here. It is not guaranteed that assignment is a copy, so the 34 // StringUtil.VariableArgsFunc unit test tests this capability. 35 #if defined(COMPILER_GCC) 36 #define GG_VA_COPY(a, b) (va_copy(a, b)) 37 #elif defined(COMPILER_MSVC) 38 #define GG_VA_COPY(a, b) (a = b) 39 #endif 40 41 // Define an OS-neutral wrapper for shared library entry points 42 #if defined(OS_WIN) 43 #define API_CALL __stdcall 44 #else 45 #define API_CALL 46 #endif 47 48 #endif // BASE_PORT_H_ 49
