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STORE: Add info on the expected post_process callback behavior

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Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/3856)
This commit is contained in:
Richard Levitte 2017-07-05 16:00:30 +02:00
parent 645c8790a7
commit 330242959d
1 changed files with 4 additions and 0 deletions
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4
doc/man3/OSSL_STORE_open.pod
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@ -55,6 +55,10 @@ The given B<ui_method> and B<ui_data_data> will be reused by all
functions that use B<OSSL_STORE_CTX> when interaction is needed.
The given B<post_process> and B<post_process_data> will be reused by
OSSL_STORE_load() to manipulate or drop the value to be returned.
The B<post_process> function drops values by returning B<NULL>, which
will cause OSSL_STORE_load() to start its process over with loading
the next object, until B<post_process> returns something other than
B<NULL>, or the end of data is reached as indicated by OSSL_STORE_eof().
OSSL_STORE_ctrl() takes a B<OSSL_STORE_CTX>, and command number B<cmd> and
more arguments not specified here.