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Rule 12. Error Handling (ERR)

Created by Robert Seacord, last modified by David Svoboda on May 06, 2025

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Information for Editors
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Risk Assessment Summary

Rule	Severity	Likelihood	Detectable	Repairable	Priority	Level
ERR30-C	Medium	Probable	Medium		P8	L2
ERR32-C	Low	Unlikely	Low		P3	L3
ERR33-C	High	Likely	Medium		P18	L1
ERR34-C	Medium	Unlikely	Medium		P4	L3

Related Rules and Recommendations

DCL09-C. Declare functions that return errno with a return type of errno_t

FIO40-C. Reset strings on fgets() or fgetws() failure

FLP03-C. Detect and handle floating-point errors

FLP32-C. Prevent or detect domain and range errors in math functions

MSC11-C. Incorporate diagnostic tests using assertions

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