PeterBee97 opened a new pull request #2285:
URL: https://github.com/apache/incubator-nuttx/pull/2285


   ## Summary
   The previous implementation of strtoul(l) is flawed. The range check assumed 
that when overflow happens, the truncated value is smaller than the original 
value. As a counter example, passing "10000000000" to strtol will not trigger 
ERANGE, but return a truncated value. This patch adds more accurate range 
checks.


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