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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Lucas Soltic (ceylow@gmail.com) and Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Config.hpp>


#ifdef SFML_SYSTEM_MACOS

#include <CoreFoundation/CoreFoundation.h>
#include <iostream>
#include <cstdio>

namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// Under Mac OS X, when launching an application from the Finder,
/// the default working directory is the user home directory ;
/// when launching from Xcode, the default one is the directory
/// containing the application. In order to produce a uniform behaviour
/// and simplify the use of resources, SFML sets the working directory to
/// the Resources folder of the application bundle.
/// The "constructor" attribute forces the function to be called
/// at library loading time.
////////////////////////////////////////////////////////////
void InitializeWorkingDirectory(void) __attribute__ ((constructor));
void InitializeWorkingDirectory(void)
{
	char PathBuffer[4096];
	bool Encoded = false;
	
	// Get the application bundle
	CFBundleRef MainBundle = CFBundleGetMainBundle();
	assert(MainBundle != NULL);
	
	// Get the resource directory URL
	CFURLRef ResourceDirectory = CFBundleCopyResourcesDirectoryURL(MainBundle);
	assert(ResourceDirectory != NULL);
	
	// Convert it as absolute URL
	CFURLRef AbsoluteURL = CFURLCopyAbsoluteURL(ResourceDirectory);
	assert(AbsoluteURL != NULL);
	
	// Get the path as C string
	Encoded = CFURLGetFileSystemRepresentation(AbsoluteURL, true, (UInt8 *)PathBuffer, 4096);
	assert(Encoded);
	
	// Set the working directory
	chdir(PathBuffer);
	
	CFRelease(AbsoluteURL);
	CFRelease(ResourceDirectory);
}

} // namespace priv

} // namespace sf


#endif // SFML_SYSTEM_MACOS