[Powertop] Seg Fault due to function format_watts in file src/lib.cpp

[Ganapati Bhat <life.mytake at gmail.com>]

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Dear All,

I was compiling powertop as an Android external module and using the option
powertop --html. However, there used to be a segmentation fault. When i
looked into it, I observed that in the function format_watts in
src/lib.cpp, the last argument to mbstows was zero. By changing the
argument to len, which is itself an argument to the function format_watts,
powertop worked properly? Does this also happen on an x86 machine? ( I am
unable to verify this due to some problems in my laptop which I have not
yet resolved.) If not then can someone explain to me why is it happening in
the case of android?

Thanks and Regards,

Ganapati

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