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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef BASE_PORT_H_ | 5 #ifndef BASE_PORT_H_ |
| 6 #define BASE_PORT_H_ | 6 #define BASE_PORT_H_ |
| 7 | 7 |
| 8 #include <stdarg.h> | 8 #include <stdarg.h> |
| 9 #include "build/build_config.h" | 9 #include "build/build_config.h" |
| 10 | 10 |
| (...skipping 14 matching lines...) Expand all Loading... | |
| 25 #define GG_INT8_C(x) (x) | 25 #define GG_INT8_C(x) (x) |
| 26 #define GG_INT16_C(x) (x) | 26 #define GG_INT16_C(x) (x) |
| 27 #define GG_INT32_C(x) (x) | 27 #define GG_INT32_C(x) (x) |
| 28 #define GG_INT64_C(x) GG_LONGLONG(x) | 28 #define GG_INT64_C(x) GG_LONGLONG(x) |
| 29 | 29 |
| 30 #define GG_UINT8_C(x) (x ## U) | 30 #define GG_UINT8_C(x) (x ## U) |
| 31 #define GG_UINT16_C(x) (x ## U) | 31 #define GG_UINT16_C(x) (x ## U) |
| 32 #define GG_UINT32_C(x) (x ## U) | 32 #define GG_UINT32_C(x) (x ## U) |
| 33 #define GG_UINT64_C(x) GG_ULONGLONG(x) | 33 #define GG_UINT64_C(x) GG_ULONGLONG(x) |
| 34 | 34 |
| 35 namespace base { | |
| 36 | |
| 37 // It's possible for functions that use a va_list, such as StringPrintf, to | 35 // It's possible for functions that use a va_list, such as StringPrintf, to |
| 38 // invalidate the data in it upon use. The fix is to make a copy of the | 36 // invalidate the data in it upon use. The fix is to make a copy of the |
| 39 // structure before using it and use that copy instead. va_copy is provided | 37 // structure before using it and use that copy instead. va_copy is provided |
| 40 // for this purpose. MSVC does not provide va_copy, so define an | 38 // for this purpose. MSVC does not provide va_copy, so define an |
| 41 // implementation here. It is not guaranteed that assignment is a copy, so the | 39 // implementation here. It is not guaranteed that assignment is a copy, so the |
| 42 // StringUtil.VariableArgsFunc unit test tests this capability. | 40 // StringUtil.VariableArgsFunc unit test tests this capability. |
| 43 inline void va_copy(va_list& a, va_list& b) { | |
| 44 #if defined(COMPILER_GCC) | 41 #if defined(COMPILER_GCC) |
| 45 ::va_copy(a, b); | 42 #define GG_VA_COPY(a, b) (::va_copy(a, b)) |
|
Mark Mentovai
2009/07/27 21:07:30
You don't need the :: any longer.
| |
| 46 #elif defined(COMPILER_MSVC) | 43 #elif defined(COMPILER_MSVC) |
| 47 a = b; | 44 #define GG_VA_COPY(a, b) (a = b) |
| 48 #endif | 45 #endif |
| 49 } | |
| 50 | |
| 51 } // namespace base | |
| 52 | 46 |
| 53 // Define an OS-neutral wrapper for shared library entry points | 47 // Define an OS-neutral wrapper for shared library entry points |
| 54 #if defined(OS_WIN) | 48 #if defined(OS_WIN) |
| 55 #define API_CALL __stdcall | 49 #define API_CALL __stdcall |
| 56 #elif defined(OS_LINUX) || defined(OS_MACOSX) | 50 #elif defined(OS_LINUX) || defined(OS_MACOSX) |
| 57 #define API_CALL | 51 #define API_CALL |
| 58 #endif | 52 #endif |
| 59 | 53 |
| 60 #endif // BASE_PORT_H_ | 54 #endif // BASE_PORT_H_ |
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