Program Listing for File visibility.h
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// Copyright (c) 2008, Willow Garage, Inc.
// All rights reserved.
//
// Software License Agreement (BSD License 2.0)
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of the Willow Garage nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef IMAGE_ROTATE__VISIBILITY_H_
#define IMAGE_ROTATE__VISIBILITY_H_
// This logic was borrowed (then namespaced) from the examples on the gcc wiki:
// https://gcc.gnu.org/wiki/Visibility
#if defined _WIN32 || defined __CYGWIN__
#ifdef __GNUC__
#define IMAGE_ROTATE_EXPORT __attribute__ ((dllexport))
#define IMAGE_ROTATE_IMPORT __attribute__ ((dllimport))
#else
#define IMAGE_ROTATE_EXPORT __declspec(dllexport)
#define IMAGE_ROTATE_IMPORT __declspec(dllimport)
#endif
#ifdef IMAGE_ROTATE_DLL
#define IMAGE_ROTATE_PUBLIC IMAGE_ROTATE_EXPORT
#else
#define IMAGE_ROTATE_PUBLIC IMAGE_ROTATE_IMPORT
#endif
#define IMAGE_ROTATE_PUBLIC_TYPE IMAGE_ROTATE_PUBLIC
#define IMAGE_ROTATE_LOCAL
#else
#define IMAGE_ROTATE_EXPORT __attribute__ ((visibility("default")))
#define IMAGE_ROTATE_IMPORT
#if __GNUC__ >= 4
#define IMAGE_ROTATE_PUBLIC __attribute__ ((visibility("default")))
#define IMAGE_ROTATE_LOCAL __attribute__ ((visibility("hidden")))
#else
#define IMAGE_ROTATE_PUBLIC
#define IMAGE_ROTATE_LOCAL
#endif
#define IMAGE_ROTATE_PUBLIC_TYPE
#endif
#endif // IMAGE_ROTATE__VISIBILITY_H_