Complexity of ARGCHECK macros trigger JPL rule 24, multiple statements per line

[skliper]

Is your feature request related to a problem? Please describe.
Consider reworking ARGCHECK. Although it reduces repeated lines in code, it does "hide" a return within the macro and isn't really the simplest macro when combined with OS_CHECK_STRING or similar. Note it works... it's just not a trivial macro so ends up triggering coding standard warnings.

Describe the solution you'd like
Although we did just disable the warning in nasa/cFS#561, it's a warning that would be good to apply to non-macro code at least. Really this issue trades macro complexity with function complexity where there is no real right answer in my mind. The point if this issue is to at least document this for future consideration, not necessarily back out the changes.

Describe alternatives you've considered
Leave as-is

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC