60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
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/* ws_attributes.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __WS_ATTRIBUTES_H__
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#define __WS_ATTRIBUTES_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/*
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* If we're running GCC or clang define _U_ to be "__attribute__((unused))"
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* so we can use _U_ to flag unused function parameters and not get warnings
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* about them. Otherwise, define _U_ to be an empty string so that _U_ used
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* to flag an unused function parameters will compile with other compilers.
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*
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* XXX - similar hints for other compilers?
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*/
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#if defined(__GNUC__)
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/* This includes clang */
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#define _U_ __attribute__((unused))
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#else
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#define _U_
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#endif
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/* Hint to the compiler that a function never returns */
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#if defined(__GNUC__)
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/* This includes clang */
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#define WS_NORETURN __attribute__((noreturn))
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#elif defined(_MSC_VER)
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#define WS_NORETURN __declspec(noreturn)
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#else
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#define WS_NORETURN
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __WS_ATTRIBUTES_H__ */
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