Fixes format-truncation warnings

PetaVision / OpenPV

PetaVision is a C++ library for designing and deploying large-scale neurally-inspired computational models.

http://petavision.github.io

Eclipse Public License 1.0

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Fixes format-truncation warnings #286

Closed peteschultz closed 5 years ago

peteschultz commented 5 years ago

This pull request improves the way that snprintf is used to determine the length a formatted string will be before allocating space for the string. The older method generated format-truncation warnings on some compilers.