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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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