On Dec 30, 2008, at 10:23 PM, Ron Fleckner wrote:
- (NSString *)reverseString:(NSString *)aString { // Do the reversing with the help of an array of chars int i, j; const int stringLength = [aString length]; char reverseChars[stringLength]; for (i = stringLength - 1, j = 0; i >= 0; i--, j++) { char c = [aString characterAtIndex:i]; reverseChars[j] = c; }reverseChars[j] = '\0';// create a C (UTF8) string by adding a null char NSString *backwardsString = [NSString stringWithUTF8String:reverseChars];return backwardsString; }
There are a few problems with this method, e.g. it won't work with non- ASCII characters, it'll probably blow up if the string is ~10,000 characters or longer, the ints need to be NSUIntegers, and this ought to be a category method that works on the receiver. I'd use unichar, NSUInteger, malloc(), and - initWithCharactersNoCopy:length:freeWhenDone: at the least...
Nick Zitzmann <http://www.chronosnet.com/> _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
