Change in osmo-mgw[master]: trunk: parse E1 trunk number

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neels gerrit-no-reply at lists.osmocom.org
Wed Jun 10 20:05:28 UTC 2020


neels has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-mgw/+/18752 )

Change subject: trunk: parse E1 trunk number
......................................................................


Patch Set 2: Code-Review-1

(2 comments)

https://gerrit.osmocom.org/c/osmo-mgw/+/18752/2/src/libosmo-mgcp/mgcp_trunk.c 
File src/libosmo-mgcp/mgcp_trunk.c:

https://gerrit.osmocom.org/c/osmo-mgw/+/18752/2/src/libosmo-mgcp/mgcp_trunk.c@138 
PS2, Line 138: 	prefix_len = sizeof(MGCP_ENDPOINT_PREFIX_E1_TRUNK) - 1;
wait, what, sizeof() works on compile time char constants? wow.
I'd be more comfortable with strlen().


https://gerrit.osmocom.org/c/osmo-mgw/+/18752/2/src/libosmo-mgcp/mgcp_trunk.c@140 
PS2, Line 140: 		return mgcp_trunk_by_num(cfg, atoi(epname+prefix_len));
this needs validity checks. What if atoi() returns negative? If atoi() cannot convert, it returns 0, the virtual trunk? Much rather use strtol() with all its error checking in place.



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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-Change-Id: Ifdaab953544151e73b58cc3e95d21afdb40765f4
Gerrit-Change-Number: 18752
Gerrit-PatchSet: 2
Gerrit-Owner: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: neels <nhofmeyr at sysmocom.de>
Gerrit-Comment-Date: Wed, 10 Jun 2020 20:05:28 +0000
Gerrit-HasComments: Yes
Gerrit-Has-Labels: Yes
Gerrit-MessageType: comment
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