EXEC_BAD_ACCESS crash when using encodeObject:forKey: on an NSString *.
EXEC_BAD_ACCESS crash when using encodeObject:forKey: on an NSString *.
- Subject: EXEC_BAD_ACCESS crash when using encodeObject:forKey: on an NSString *.
- From: Andrew White <email@hidden>
- Date: Wed, 27 Apr 2005 14:36:30 +1000
XCode 1.5, MacOS X 10.3.9
Reported this as a bug, but I thought I'd check here too in case anyone
else knows a good workaround or can point out a stupid error.
#import <Foundation/Foundation.h>
@interface DemoObject : NSObject <NSCoding>
{
NSString * mStr;
NSMutableArray * mA;
NSMutableArray * mB;
}
@end
@implementation DemoObject
- (id) init
{
self = [super init];
if (! self)
{
return nil;
}
mStr = @"Hello";
[mStr retain];
mA = [[NSMutableArray alloc] init];
mB = [[NSMutableArray alloc] init];
return self;
}
// Coder keys
static NSString * const kKeyString = @"String";
static NSString * const kKeyArrays = @"Arrays";
- (void) encodeWithCoder: (NSCoder *) coder
{
if ([coder allowsKeyedCoding])
{
[coder encodeObject: mStr forKey: kKeyString ];
NSArray * arr = [NSArray arrayWithObjects: mA, mB];
// ^ this line crashes
[coder encodeObject: arr forKey: kKeyArrays];
}
}
@end
When I call
DemoObject * obj = [[[DemoObject alloc] init] autorelease];
[NSKeyedArchiver
archiveRootObject: obj toFile: @"testFile"
];
the code reliably crashes in CFRetain with an EXEC_BAD_ACCESS error when I
trying to create the array. If I remove the call to
[coder encodeObject: mStr forKey: kKeyString ];
then everything works as expected.
Any thoughts?
--
Andrew White
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