osmo-pcu[master]: EGPRS: fix for EPDAN out of window

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Thu Oct 13 00:51:19 UTC 2016


Patch Set 5:

(5 comments)

You may agree or not agree with my final style improvement.
But please rebase onto master to clarify the parent commit.

https://gerrit.osmocom.org/#/c/862/5//COMMIT_MSG
Commit Message:

Line 1: Parent:     daa43f84 (Merge commit 'refs/changes/61/861/4' of https://gerrit.osmocom.org/osmo-pcu)
the parent is a Merge-commit??


https://gerrit.osmocom.org/#/c/862/2/src/rlc.cpp
File src/rlc.cpp:

Line 108: 	unsigned num_blocks = rbb->cur_bit > (unsigned)distance()
> What is meant is distance is guaranteed to be positive. since 
It seems to me then that distance() should return a uint16_t?


https://gerrit.osmocom.org/#/c/862/5/src/rlc.cpp
File src/rlc.cpp:

Line 109: 				? distance() : rbb->cur_bit;
would make sense to call distance() only once ... but it's not really a performance burden in this case, just general style, to clearly show to the reader that the value is not intended to change between the comparison and setting it to num_blocks. You could use a uint with a comment:

/* distance() is guaranteed to be positive because it does & mod_sns() */
uint16_t d = distance();
and then use 'd' to determine num_blocks.


https://gerrit.osmocom.org/#/c/862/5/src/tbf_dl.cpp
File src/tbf_dl.cpp:

Line 851: 				? m_window.distance() : num_blocks;
(same)


Line 931: 				? m_window.distance() : rbb->cur_bit;
(same)


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Gerrit-MessageType: comment
Gerrit-Change-Id: Id07d178970f168f5389016c1eea31eb6b82057b6
Gerrit-PatchSet: 5
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: arvind.sirsikar <arvind.sirsikar at radisys.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: arvind.sirsikar <arvind.sirsikar at radisys.com>
Gerrit-HasComments: Yes



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