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Mac Forum / Programming / Mac Programming / September 2007user app data directory
where is the recommended place for a mac application to store user- specific data and files? Which API do I use to determine the path from a c++ app ? TIA > where is the recommended place for a mac application to store user- > specific data and files? Which API do I use to determine the path from > a c++ app ? If the user is opening and saving them, then on first launch, you might default to ~/Documents. After that, let the open and save dialog boxes keep track of the history of recently used folders. For auxiliary files, ~/Library/Application Support/ is the place. Most conies make a sub folder in there and put their application's stuff in the subfolder. APIs: from C++, you can use either Carbon or Cocoa, but Carbon is easiest. Use the FSFindFolder(kLocalDomain, kApplicationSupportFolderType, TRUE, &fsRef); system call to get an FSRef, then use FSRefMakePath() from Files.h to get a full path. That way, you won't have to worry of the user runs your app on a non-English system. FSRef fsRef = {0}; char path[2048] = {0}; if(noErr == FSFindFolder(kLocalDomain, kApplicationSupportFolderType, TRUE, &fsRef) && noErr == FSRefMakePath(&fsRef, (UInt8*)path, sizeof path)) { // path is initialized here. } > > where is the recommended place for a mac application to store user- > > specific data and files? Which API do I use to determine the path from > > a c++ app ? [...] > Use the FSFindFolder(kLocalDomain, kApplicationSupportFolderType, TRUE, > &fsRef); system call to get an FSRef, then use FSRefMakePath() from > Files.h to get a full path. That way, you won't have to worry of the > user runs your app on a non-English system. kLocalDomain is wrong for user-specific files, you meant kUserDomain.  SignatureIf this message helped you, consider buying an item from my wish list: <http://artins.org/ben/wishlist> I changed my name: <http://periodic-kingdom.org/People/NameChange.php> > > Use the FSFindFolder(kLocalDomain, kApplicationSupportFolderType, TRUE, > > &fsRef); > > kLocalDomain is wrong for user-specific files, you meant kUserDomain. oops. Thank you. I'm sure you are right. what do I link to in my makefile if i'm usinf FSFindFolder? in general, how do you figure this out? the apple docs usually specify a header but no lib... > what do I link to in my makefile if i'm usinf FSFindFolder? in > general, how do you figure this out? the apple docs usually specify a > header but no lib... Go to the top of the Folder Manager Reference, which is the page which contains the FSFindFolder document. There you will see that it resides in the CoreServices framework. So add -framework CoreServices to your compile and link flags. SignatureMichael Ash Rogue Amoeba Software > where is the recommended place for a mac application to store user- > specific data and files? <http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/ index.html> > Which API do I use to determine the path from > > a c++ app ? <http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/ Articles/Domains.html#//apple_ref/doc/uid/20002281-101591-BAJCBACI> Reinder |
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