[jira] Commented: (AXIS2C-976) base64 encode length returns size of encoded string + 1.

["nadir amra (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AXIS2C-976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874414#action_12874414 ] 

nadir amra commented on AXIS2C-976:
-----------------------------------

I guess my opinion is to go with precedence....and so whatever Apache APR API does we should do. 

> base64 encode length returns size of encoded string + 1.
> --------------------------------------------------------
>
>                 Key: AXIS2C-976
>                 URL: https://issues.apache.org/jira/browse/AXIS2C-976
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 1.3.0
>            Reporter: Senaka Fernando
>            Assignee: S.Uthaiyashankar
>             Fix For: 1.7.0
>
>
> base64 encode length returns size of encoded string + 1, which is incorrect. This is because we assume that someone expects the length + 1 to accommodate '\0' that we add. But, if we gave the same string to a strlen() it returns size of encoded string. This would confuse a potential user.
> axutil_base64_encode (encoded, "senaka", 6) = 9, and strlen(encoded) = 8. Also, axutil_base64_encode_len(6) = 9.
> Therefore, I think it is better to stick to the strlen() way, especially because popular libraries and resources adopt that strategy. Refer [1] for more information.
> [1] http://www.obviex.com/Articles/CiphertextSize.aspx
> Regards,
> Senaka

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