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overflow detection in parseint #4874

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StefanKarpinski opened this issue Nov 20, 2013 · 0 comments
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overflow detection in parseint #4874

StefanKarpinski opened this issue Nov 20, 2013 · 0 comments
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@StefanKarpinski
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See discussion: https://groups.google.com/forum/#!topic/julia-users/8BP1Mt1o_r0

Here's where the overflow detection needs to go:

julia/base/string.jl

Line 1472 in 704b852

# TODO: overflow detection?

StefanKarpinski added a commit that referenced this issue Nov 21, 2013
@StefanKarpinski
Base.checked_{add,sub,mul}: checked versions of +, - and * [fix #4874]
6c08baa 
We've had the intrinsics for checked arithmetic for a rather long time,
we just haven't used it anywhere. This defines checked +, - and * the
same way that we define +, - and * and uses it in parseint to prevent
overflow when attempting to parse a too-large value.
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