Fix for warns

[alexrayne]

hallow!
here provided some massive fixes of warning of compilation
and a pair of fixes from other people

[gurux-kurumi]

Hi,

I'm sorry, but we can't just accept your changes because we have a lot of clients and we have to try to test all changes.
What compiler you have used? We can fix your warnings and check your changes.

BR,
Mikko

[alexrayne]

i works on gnu arm 9.2.1 now.
i've just try build some of your server project.
anyway, i no need your help, since my work goes much further then this fixes.
just try to share some work, and try to test your participationess.

[alexrayne]

mem leak fix from ayz was mulfunctional, now it shuld be careful

[sonarcloud]

Quality Gate failed

Failed conditions

5 Security Hotspots
E Reliability Rating on New Code (required ≥ A)
E Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

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