Change in ...osmo-mgw[master]: Fix return variable of strtoul()

[pespin]

Hello daniel, laforge, osmith, Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-mgw/+/14966

to look at the new patch set (#2).

Change subject: Fix return variable of strtoul()
......................................................................

Fix return variable of strtoul()

Return variable specified by strtoul() is "unsigned long int". If
"unsigned int" is used, according to Coverity the return value can never
be ULONG_MAX:

CID 202173:  Integer handling issues  (CONSTANT_EXPRESSION_RESULT)
"pt == 18446744073709551615UL /* 9223372036854775807L * 2UL + 1UL */" is always false regardless of the values of its operands. This occurs as the logical second operand of "&&".

Furthermore, PT is 7 bit in RTP header [1], so let's avoid accepting
incorrect values.

[1] https://tools.ietf.org/html/rfc3550#section-5

Fixes: c5c1430a1c00ad86855ffff3df3f106bb2bce1d5 ("Catch unsigned integer MGCP parsing errors with strtoul")
Fixes: Coverity CID#202172
FIxes: Coverity CID#202173
Change-Id: Ice9eee6a252fab73dbab5ebf3cfc83c1b354fd08
---
M src/libosmo-mgcp-client/mgcp_client.c
M src/libosmo-mgcp/mgcp_sdp.c
2 files changed, 8 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-mgw refs/changes/66/14966/2
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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-Change-Id: Ice9eee6a252fab73dbab5ebf3cfc83c1b354fd08
Gerrit-Change-Number: 14966
Gerrit-PatchSet: 2
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: daniel <dwillmann at sysmocom.de>
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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