[asterisk-dev] [Code Review] 2580: Consistent memory allocation by ast_bt_get_symbols

[Russell Bryant]

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Soo ... why is this necessary?

- Russell Bryant


On May 31, 2013, 8:43 a.m., wdoekes wrote:
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> (Updated May 31, 2013, 8:43 a.m.)
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> Review request for Asterisk Developers.
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> Repository: Asterisk
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> Description
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> ast_bt_get_symbols can return either an ast_malloc'd or a regular malloc'd list, depending on the value of BETTER_BACKTRACES.
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> The result was always free'd (not ast_free'd).
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> This patch:
>  - copies the malloc'd list from backtrace_symbols into ast_malloc'd memory,
>  - replaces the free's with ast_free's,
>  - documents that the ast_bt_get_symbols return value should be freed.
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> Unsure whether to put it in 1.8, since ast_bt_get_symbols() might be used by an external module.
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> 
> Diffs
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>   /trunk/main/utils.c 390180 
>   /trunk/main/logger.c 390180 
>   /trunk/main/astobj2.c 390180 
>   /trunk/include/asterisk/logger.h 390180 
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> Diff: https://reviewboard.asterisk.org/r/2580/diff/
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> Testing
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> Compile tested only.
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> Thanks,
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> wdoekes
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>

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