[Simulavr-devel] main.cpp error handling

[Joel Sherrill]

Hi,

I made a typo and uncovered a nasty set of
unchecked possible error conditions in
main.cpp.  main.cpp has a number of arguments
that take integers.  If those conversions
fail, you will get weird and maybe silent
side-effects.

I did -F FILE (-f FILE was right) and got
a Floating Point Exception.  -F is frequency.

I want to add a wrapper for string to integer
conversion and error check all numeric arguments
closer.

Any comments before I dive into this?

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