Fix tag count overflow causing huge memory allocs #5
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If the tag count is something silly like 2^16, when it's multiplied by the size of the field it is very likely to overflow. This can result in reading a small number of bytes successfully, but then later on trying to allocate a massive slice to hold all the tags. Closes cutlerydrawer#1
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If the tag count is something silly like 2^16, when it's
multiplied by the size of the field it is very likely
to overflow.
This can result in reading a small number of bytes
successfully, but then later on trying to allocate
a massive slice to hold all the tags.
Closes #1