Added working directory initializer.

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1027 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
ceylo 2009-02-28 20:38:35 +00:00
parent c68876a858
commit 5c74cc0800

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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2008 Lucas Soltic (elmerod@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>
namespace
{
////////////////////////////////////////////////////////////
/// 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 working_directory_initializer(void) __attribute__ ((constructor));
void working_directory_initializer(void)
{
char pathBuffer[4096];
// Get the application bundle
CFBundleRef mainBundle = CFBundleGetMainBundle();
if (!mainBundle)
{
std::cerr << "*** SFML: error getting the application main bundle" << std::endl;
return;
}
// Get the resource directory URL
CFURLRef resourceDirectory = CFBundleCopyResourcesDirectoryURL(mainBundle);
if (!resourceDirectory)
{
std::cerr << "*** SFML: error getting the resource directory of the main bundle" << std::endl;
return;
}
// Convert it as absolute URL
CFURLRef absoluteURL = CFURLCopyAbsoluteURL(resourceDirectory);
if (!absoluteURL)
{
std::cerr << "*** SFML: error gettint the resource directory as an absolute URL" << std::endl;
CFRelease(resourceDirectory);
return;
}
// Get the POSIX style path
CFStringRef absolutePath = CFURLCopyFileSystemPath(absoluteURL, kCFURLPOSIXPathStyle);
if (!absolutePath)
{
std::cerr << "*** SFML: error converting the resource directory URL as a POSIX path" << std::endl;
CFRelease(absoluteURL);
CFRelease(resourceDirectory);
return;
}
// Get the path as C string and set it
if (CFStringGetCString(absolutePath, pathBuffer, 4096, kCFStringEncodingASCII))
chdir(pathBuffer);
else
std::cerr << "*** SFML: error copying the resource directory path in the C buffer" << std::endl;
CFRelease(absolutePath);
CFRelease(absoluteURL);
CFRelease(resourceDirectory);
}
} // anonymous namespace
#endif // SFML_SYSTEM_MACOS