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Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) [message #12285 is a reply to message #12284]

Tue, 23 October 2007 17:41

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

mdelfede wrote on Tue, 23 October 2007 11:31

luzr wrote on Tue, 23 October 2007 16:52

On this line:

			li[i].firstedited = li.At(i + count).firstedited;

I suppose the operator [] uses a static temporary or something like that ?

Nope. But it returns a reference. However, .At invalidates references to Vector.... So if the left side of statement is evaluated before the right side, you have "free block overwrite"...

Mirek

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[Message index]

		Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mirek on Mon, 22 October 2007 18:51
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mdelfede on Tue, 23 October 2007 15:11
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mirek on Tue, 23 October 2007 16:52
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mdelfede on Tue, 23 October 2007 17:31
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mirek on Tue, 23 October 2007 17:41
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mdelfede on Tue, 23 October 2007 17:50
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mirek on Tue, 23 October 2007 18:08
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mdelfede on Tue, 23 October 2007 18:20
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mirek on Tue, 23 October 2007 19:45
		Re: Hopefully fixed "Writes to freed blocks" bug in ide - and warning (quiz) By: mdelfede on Tue, 23 October 2007 21:47

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