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Project for porting C to Rust gains Mozilla's backing (InfoWorld)

Project for porting C to Rust gains Mozilla's backing (InfoWorld)

Posted Nov 3, 2016 13:21 UTC (Thu) by TomH (subscriber, #56149)
In reply to: Project for porting C to Rust gains Mozilla's backing (InfoWorld) by kevincox
Parent article: Project for porting C to Rust gains Mozilla's backing (InfoWorld)

I think you've confused yourself - unsigned integer overflow is defined in C (it wraps). It is signed integer overflow that is undefined.

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Project for porting C to Rust gains Mozilla's backing (InfoWorld)

Posted Nov 7, 2016 14:14 UTC (Mon) by musicinmybrain (subscriber, #42780) [Link]

…and to be really pedantic about it, the view of the C standard is that all overflow is undefined, and the mandated unsigned integer “wrapping” behavior (arithmetic modulo 2^n) is not a kind of overflow.


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