C++ casting and some fixes

[lumiZGorlic]

C style casts changed to C++ style casts, also some fixes and cosmetic changes

[codecov]

Codecov Report

Attention: Patch coverage is 92.42424% with 5 lines in your changes missing coverage. Please review.

Project coverage is 83.11%. Comparing base (9130bf1) to head (cbad841).
Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
Packet++/src/SipLayer.cpp	80.76%	1 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1610      +/-   ##
==========================================
+ Coverage   83.10%   83.11%   +0.01%     
==========================================
  Files         276      276              
  Lines       46889    46914      +25     
  Branches     9365     9374       +9     
==========================================
+ Hits        38965    38994      +29     
+ Misses       7065     7062       -3     
+ Partials      859      858       -1     

Flag	Coverage Δ
fedora40	74.67% <83.33%> (-0.01%)	⬇️
macos-12	81.11% <84.37%> (+<0.01%)	⬆️
macos-13	80.53% <84.84%> (+0.07%)	⬆️
macos-14	80.46% <84.84%> (+<0.01%)	⬆️
mingw32	70.61% <81.48%> (-0.02%)	⬇️
mingw64	70.58% <81.48%> (-0.02%)	⬇️
npcap	84.99% <90.38%> (-0.03%)	⬇️
rhel94	74.56% <83.33%> (+<0.01%)	⬆️
ubuntu2004	57.94% <85.96%> (+0.01%)	⬆️
ubuntu2004-zstd	58.09% <85.96%> (+0.03%)	⬆️
ubuntu2204	74.48% <83.33%> (-0.04%)	⬇️
ubuntu2204-icpx	58.70% <66.66%> (-0.01%)	⬇️
ubuntu2404	74.76% <83.33%> (+0.01%)	⬆️
unittest	83.11% <92.42%> (+0.01%)	⬆️
windows-2019	85.03% <90.38%> (-0.03%)	⬇️
windows-2022	85.04% <90.38%> (-0.03%)	⬇️
winpcap	85.02% <90.38%> (ø)
xdp	49.65% <77.77%> (+<0.01%)	⬆️

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[tigercosmos]

@lumiZGorlic, thanks for the contribution. Let's fix the CI first. Please also make sure that you have read the contribution document.

[lumiZGorlic]

Thanks, i read this document before but i got confused about some steps. I just pushed clang-format fixes so hope it'll pass OK now.

[tigercosmos]

LGTM

[seladb]

Thank you @lumiZGorlic for your contribution, much appreciated! 🙏