[asterisk-dev] [Code Review] Fix memory leaks in cel_pgsql

[Matt Jordan]

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https://reviewboard.asterisk.org/r/1624/
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Review request for Asterisk Developers.


Summary
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There were a number of issues in cel_pgsql's pgsql_log method.
* If either sql or sql2 (both ast_str structs) could not be allocated, the method would return while the pgsql_lock was still locked
* If the execution of the log statement succeeded, the sql and sql2 ast_str structs were never free'd
* Reconnections were logged as ERRORs, etc.

This patch does some cleanup in pgsql_log to better handle the resource cleanup at the end of the method and to make better use of WARNING and NOTICEs where appropriate.


This addresses bug ASTERISK-18879.
    https://issues.asterisk.org/jira/browse/ASTERISK-18879


Diffs
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  /branches/1.8/cel/cel_pgsql.c 347950 

Diff: https://reviewboard.asterisk.org/r/1624/diff


Testing
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Tested using CEL with postgresql.  Tested that memory leaks did not occur when a record could not be inserted, as well as when a record was inserted.


Thanks,

Matt

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