[asterisk-dev] [Code Review] astobj2: Avoid using temporary objects + ao2_find() with OBJ_POINTER

[Mark Michelson]

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I think this is good to go.

I'm not giving a Ship It due to lack of testing, though.

- Mark


On 2011-04-18 12:34:34, Russell Bryant wrote:
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> (Updated 2011-04-18 12:34:34)
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> Review request for Asterisk Developers.
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> Summary
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> There is a fairly common pattern making its way through the code base where we put a temporary object on the stack so we can call ao2_find() with OBJ_POINTER.  The purpose is so that it can be passed into the object hash function.  However, this really seems like a hack and potentially error prone.  This patch is a first stab at approach to avoid having to do that.
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> It adds a new flag, OBJ_KEY, which can be used instead of OBJ_POINTER in these situations.  Then, the hash function can know whether it was given an object or some custom data to hash.
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> The patch also changes some uses of ao2_find() for iax2_user and iax2_peer objects to reflect how OBJ_KEY would be used.
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> Diffs
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>   /trunk/channels/chan_iax2.c 314080 
>   /trunk/include/asterisk/astobj2.h 314080 
>   /trunk/main/astobj2.c 314080 
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> Diff: https://reviewboard.asterisk.org/r/1184/diff
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> Testing
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> It compiles.  I'm just throwing out the idea right now.  If people seem to think it makes sense, I will certainly try calls before committing anything.
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> Thanks,
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> Russell
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