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libssh2_session_set_last_error: Add function

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Net::SSH2, the Perl wrapping module for libssh2 implements several features*
on top of libssh2 that can fail and so need some mechanism to report the error
condition to the user.

Until now, besides the error state maintained internally by libssh2, another
error state was maintained at the Perl level for every session object and then
additional logic was used to merge both error states. That is a maintenance
nighmare, and actually there is no way to do it correctly and consistently.

In order to allow the high level language to add new features to the library
but still rely in its error reporting features the new function
libssh2_session_set_last_error (that just exposses _libssh2_error_flags) is
introduced.

*) For instance, connecting to a remote SSH service giving the hostname and
port.

Signed-off-by: Salvador Fandino <sfandino@yahoo.com>
Signed-off-by: Salvador Fandiño <sfandino@yahoo.com>
This commit is contained in:
Salvador Fandino
2015-10-15 17:36:03 +02:00
committed by Daniel Stenberg
parent ad23faaae6
commit b83c3e056e
7 changed files with 58 additions and 1 deletions
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docs/libssh2_session_last_error.3
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@ -29,3 +29,4 @@ Numeric error code corresponding to the the Error Code constants.
.SH SEE ALSO
.BR libssh2_session_last_errno(3)
.BR libssh2_session_set_last_error(3)