add md5 function, too

Submitted by: sf
Reviewed/backported by: jim


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use ap_log_error's facility to print the apr error string instead of
calling apr_strerror() explicitly

Submitted by: sf
Reviewed/backported by: jim


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Fix crash in mod_log_config when logging
request end time for a failed request
(LogFormat contains %{end}t).

The request_config for mod_log_config might
not be initialized.

PR 54828.

Submitted by: rjung
Reviewed/backported by: jim


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Remove useless tests.

Turn
   if (*x && apr_isspace(*x))
into
   if (apr_isspace(*x))
Submitted by: jailletc36
Reviewed/backported by: jim


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Expression parser: Add the ability to apply a SHA1 hash to strings within
the parser.


Expression parser: use hex encoding for the sha1 hash.


sha1 now does hex encoding


simplify code by using ap_bin2hex()

Submitted by: minfrin, sf, sf
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1467979 13f79535-47bb-0310-9956-ffa450edef68

Use apr_file_printf(... "%pm"...) instead of explicit call to apr_strerror

Use apr_psprintf(... "%pm"...) instead of explicit call to apr_strerror

Use apr_file_printf(... "%pm"...) instead of explicit call to apr_strerror
+ add some spaces to improve formatting
Submitted by: jailletc36
Reviewed/backported by: jim


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cache_storage: remove useless test + update function name in debug log + skip as soon as we know headers do not match
Submitted by: jailletc36
Reviewed/backported by: jim


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Useful extensions...
Reviewed/backported by: jim


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Expression parser: Add the ability to base64 encode and base64 decode
strings within the parser.


Remove the comment, this is done.

Submitted by: minfrin
Reviewed/backported by: jim


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