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Re: COW strings in libstdc++

From: Paolo Carlini <paolo dot carlini at oracle dot com>
To: Brendan Miller <catphive at catphive dot net>
Cc: libstdc++ at gcc dot gnu dot org
Date: Mon, 31 Aug 2009 19:52:05 +0200
Subject: Re: COW strings in libstdc++
References: <ef38762f0908311044u5bdca043of3f5c41763463156@mail.gmail.com>

Brendan Miller wrote:
> It looks like the current implementation of string in libstdc++ is
> copy on write correct? Is this also true of gcc 3.4?
It is certainly true, and the fact that we didn't break the ABI since
confirms that.
>  Is this behavior
> guaranteed for the future, or will C++0x somehow require a change
> here?
>   
It will require a change, since COW strings will be forbidden.

Paolo.

References:
- COW strings in libstdc++
  - From: Brendan Miller

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