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/*
* Cross platform defines for exporting symbols from shared libraries
*
* Wireshark - Network traffic analyzer
* By Balint Reczey <balint@balintreczey.hu>
* Copyright 2013 Balint Reczey
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/** Reset symbol export behavior.
* If you {un}define WS_BUILD_DLL on the fly you'll have to define this
* as well.
*/
#ifdef RESET_SYMBOL_EXPORT
#ifdef SYMBOL_EXPORT_H
#undef SYMBOL_EXPORT_H
#endif
#ifdef WS_DLL_PUBLIC
#undef WS_DLL_PUBLIC
#endif
#ifdef WS_DLL_PUBLIC_NOEXTERN
#undef WS_DLL_PUBLIC_NOEXTERN
#endif
#ifdef WS_DLL_LOCAL
#undef WS_DLL_LOCAL
#endif
#endif /* RESET_SYMBOL_EXPORT */
#ifndef SYMBOL_EXPORT_H
#define SYMBOL_EXPORT_H
/* Originally copied from GCC Wiki at http://gcc.gnu.org/wiki/Visibility */
#if defined _WIN32 || defined __CYGWIN__
#ifdef WS_BUILD_DLL
#ifdef __GNUC__
#define WS_DLL_PUBLIC __attribute__ ((dllexport))
#else /* ! __GNUC__ */
#define WS_DLL_PUBLIC __declspec(dllexport) /* Note: actually gcc seems to also support this syntax. */
#endif /* __GNUC__ */
#else
#ifdef __GNUC__
#define WS_DLL_PUBLIC __attribute__ ((dllimport))
#elif ! (defined ENABLE_STATIC) /* ! __GNUC__ */
#define WS_DLL_PUBLIC __declspec(dllimport) /* Note: actually gcc seems to also support this syntax. */
#else /* ! __GNUC__ && ENABLE_STATIC */
#define WS_DLL_PUBLIC
#endif /* __GNUC__ */
#endif /* WS_BUILD_DLL */
#define WS_DLL_PUBLIC_NOEXTERN WS_DLL_PUBLIC
#define WS_DLL_LOCAL
#else
#if __GNUC__ >= 4
#define WS_DLL_PUBLIC __attribute__ ((visibility ("default"))) extern
#define WS_DLL_PUBLIC_NOEXTERN __attribute__ ((visibility ("default")))
#define WS_DLL_LOCAL __attribute__ ((visibility ("hidden")))
#else /* ! __GNUC__ >= 4 */
#define WS_DLL_PUBLIC
#define WS_DLL_PUBLIC_NOEXTERN
#define WS_DLL_LOCAL extern
#endif /* __GNUC__ >= 4 */
#endif
#endif /* SYMBOL_EXPORT_H */
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