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Re: Proposed change to U++ to allow owning children. [message #32081 is a reply to message #32080]

Wed, 20 April 2011 21:38

Lance is currently offline

Lance
Messages: 656
Registered: March 2007

Contributor

Detach is implemented as protected. Intended for libary developer or person who knows how to handle it as it opens the door for possible leaks!

Also, there is one step I omitted. The owned flag should be unset in Ctrl copy constructor. If pick semantics is guaranteed, this will not be an issue. There is something we need to worry about only when there is prospect that the fix will be included into the library.

The reason being, a programmer may copy a dynamically created Ctrl to a stack allocated object. If this happen, the owned flag is wrongfully set and will lead to memory corruption. The move constructor (pick semantics) should always be preferred. The copy constructor should be "protected" so that it's available only to library developer or person know its potential danger.

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[Message index]

		Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 17:18
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Wed, 16 March 2011 17:26
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 17:29
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 17:30
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 17:39
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Wed, 16 March 2011 18:01
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 18:10
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 18:29
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 18:35
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 18:43
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 16 March 2011 19:24
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 02:13
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Fri, 18 March 2011 11:01
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 14:39
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 15:21
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 15:40
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 16:22
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 16:34
		Re: Proposed change to U++ to allow owning children. By: mirek on Fri, 18 March 2011 19:35
		Re: Proposed change to U++ to allow owning children. By: mirek on Fri, 18 March 2011 19:32
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 23:02
		Re: Proposed change to U++ to allow owning children. By: mirek on Fri, 18 March 2011 23:18
		Re: Proposed change to U++ to allow owning children. By: Lance on Fri, 18 March 2011 23:34
		Re: Proposed change to U++ to allow owning children. By: mirek on Fri, 18 March 2011 23:40
		Re: Proposed change to U++ to allow owning children. By: Lance on Sat, 19 March 2011 00:02
		Re: Proposed change to U++ to allow owning children. By: mirek on Sat, 19 March 2011 00:37
		Re: Proposed change to U++ to allow owning children. By: Lance on Sat, 19 March 2011 01:30
		Re: Proposed change to U++ to allow owning children. By: Lance on Sat, 19 March 2011 01:35
		Re: Proposed change to U++ to allow owning children. By: mirek on Sat, 19 March 2011 10:59
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Sun, 20 March 2011 10:32
		Re: Proposed change to U++ to allow owning children. By: Lance on Sun, 20 March 2011 14:07
		Re: Proposed change to U++ to allow owning children. By: Lance on Sun, 20 March 2011 14:11
		Re: Proposed change to U++ to allow owning children. By: Lance on Sun, 20 March 2011 14:28
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Fri, 25 March 2011 13:26
		Re: Proposed change to U++ to allow owning children. By: Lance on Sun, 27 March 2011 15:33
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Sun, 17 April 2011 17:25
		Re: Proposed change to U++ to allow owning children. By: Lance on Tue, 19 April 2011 06:00
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Tue, 19 April 2011 09:14
		Re: Proposed change to U++ to allow owning children. By: Lance on Tue, 19 April 2011 14:09
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Tue, 19 April 2011 18:05
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 20 April 2011 02:44
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Wed, 20 April 2011 08:51
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 20 April 2011 19:24
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 20 April 2011 21:17
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 20 April 2011 21:23
		Re: Proposed change to U++ to allow owning children. By: Lance on Wed, 20 April 2011 21:38
		Re: Proposed change to U++ to allow owning children. By: kohait00 on Thu, 28 April 2011 16:32
		revised ownership change By: kohait00 on Thu, 28 April 2011 18:28
		Re: revised ownership change By: Lance on Thu, 28 April 2011 21:45
		Re: revised ownership change By: kohait00 on Thu, 28 April 2011 21:57
		Re: revised ownership change By: Lance on Thu, 28 April 2011 23:18
		Re: revised ownership change By: Lance on Thu, 28 April 2011 23:31
		Re: revised ownership change By: Lance on Thu, 28 April 2011 23:54
		Re: revised ownership change By: kohait00 on Sun, 22 May 2011 21:58
		Re: revised ownership change By: Mindtraveller on Mon, 23 May 2011 00:28
		Re: revised ownership change By: kohait00 on Mon, 23 May 2011 11:16
		Re: revised ownership change By: Lance on Mon, 06 June 2011 05:11
		Re: revised ownership change By: Lance on Mon, 06 June 2011 05:05

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