| Than McIntosh | 7e2f4e9 | 2015-03-05 11:05:02 -0500 | [diff] [blame] | 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 "quipper/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_ |