Check for nullptr in NcFormat::get/setAttribute#1374
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Previously could segfault when trying to get integer attribute that had not been set, due to trying to call var->is_valid() on null pointer 'var'.
ZedThree
approved these changes
Nov 15, 2018
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Legacy NetCDF implementation segfaults when trying to get integer attribute that has not been set, due to trying to call
var->is_valid()on null pointervar. This PR adds checks fornullptrbefore checkingvar->is_valid().