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49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_PORT_H_
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#define BASE_PORT_H_
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#include <stdarg.h>
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#include "build/build_config.h"
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// DEPRECATED: Use ...LL and ...ULL suffixes.
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// TODO(viettrungluu): Delete these. These are only here until |GG_(U)INT64_C|
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// are deleted (some other header files (re)define |GG_(U)INT64_C|, so our
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// definitions of them must exactly match theirs).
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#ifdef COMPILER_MSVC
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#define GG_LONGLONG(x) x##I64
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#define GG_ULONGLONG(x) x##UI64
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#else
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#define GG_LONGLONG(x) x##LL
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#define GG_ULONGLONG(x) x##ULL
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#endif
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// DEPRECATED: In Chromium, we force-define __STDC_CONSTANT_MACROS, so you can
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// just use the regular (U)INTn_C macros from <stdint.h>.
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// TODO(viettrungluu): Remove the remaining GG_(U)INTn_C macros.
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#define GG_INT64_C(x) GG_LONGLONG(x)
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#define GG_UINT64_C(x) GG_ULONGLONG(x)
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// It's possible for functions that use a va_list, such as StringPrintf, to
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// invalidate the data in it upon use. The fix is to make a copy of the
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// structure before using it and use that copy instead. va_copy is provided
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// for this purpose. MSVC does not provide va_copy, so define an
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// implementation here. It is not guaranteed that assignment is a copy, so the
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// StringUtil.VariableArgsFunc unit test tests this capability.
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#if defined(COMPILER_GCC)
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#define GG_VA_COPY(a, b) (va_copy(a, b))
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#elif defined(COMPILER_MSVC)
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#define GG_VA_COPY(a, b) (a = b)
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#endif
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// Define an OS-neutral wrapper for shared library entry points
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#if defined(OS_WIN)
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#define API_CALL __stdcall
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#else
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#define API_CALL
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#endif
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#endif // BASE_PORT_H_
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