Hi All,
I've got a method that refreshes a list of files in a directory. The
code executes properly on the first invocation, but crashes on the
second invocation. The cause of the crash is walker = [fileManager
enumeratorAtPath:directory].
Any ideas on the cause? I experience the crash with both methods of
retrieving the file manager. Are there known issues with
enumeratorAtPath?
Jeff
NSString* directory = nil;
NSFileManager* fileManager = nil;
NSDirectoryEnumerator* walker = nil
directory = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
if(directory == nil)
/* handle error and exit */
// fileManager = [NSFileManager defaultManager];
fileManager = [[NSFileManager alloc] init];
if(fileManager == nil)
/* handle error and exit */
walker = [fileManager enumeratorAtPath:directory];
if(walker == nil)
/* handle error and exit */
NSString* file = nil;
while((file = [walker nextObject]) != nil)
{
BOOL isDirectory = YES;
if([fileManager fileExistsAtPath:file
isDirectory:&isDirectory] && !isDirectory)
[files addObject:file];
}
...
[fileManager release];
*****
According to 'NSFileManager Class Reference'
(http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSFileManager_Class/Reference/Reference.html):
In iOS and Mac OS X v 10.5 and later you should consider
using [[NSFileManager alloc] init] rather than the singleton
method defaultManager. Instances of NSFileManager are
considered thread-safe when created using
[[NSFileManager alloc] init].
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