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From "Martin Sebor (JIRA)" <>
Subject [jira] Updated: (STDCXX-583) purify reports memory leak inside rw_putenv()
Date Tue, 20 May 2008 19:23:55 GMT


Martin Sebor updated STDCXX-583:

    Affects Version/s: 4.2.0
        Fix Version/s: 4.3

Scheduled for 4.3 when we'll need to re-run Purify against newly added code and assigned to

> purify reports memory leak inside rw_putenv()
> ---------------------------------------------
>                 Key: STDCXX-583
>                 URL:
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Test Driver
>    Affects Versions: 4.2.0
>            Reporter: Travis Vitek
>            Priority: Minor
>             Fix For: 4.3
>         Attachments: 0.printf.log
> rw_putenv() uses putenv() to add variables to the environment. Unfortunately putenv()
actually places the user provided string into the environment, so the string cannot be deallocated
immediately. The result is false positive memory leaks in tests that use rw_putenv().
> One solution would be to use setenv() and unsetenv() on platforms that support them.
This avoids the memory leak. Another option would be to have rw_putenv() track the environment
strings that were added, then remove and deallocate them when the test driver is taken down.

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