Freeing Vs Nulling in pam_conv sample.

Hey All,

I was reading the sample pam_conv as an example and suspect there might
be a tiny error at the end of the function converse(..) in the doc
"Sample PAM Conversation Function" at URL:

http://www.freebsd.org/doc/en_US.ISO8859-1/articles/pam/pam-sample-conv.html

At the label "fail" we clear the variable aresp (3 lines from the end),
then set *resp to NULL (2 lines from the end) and return a conversation
error. My concern is who will free our calloc'ed aresp memory?

Hope this helps (and I'm not overlooking something silly). :)

Sam

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