Page Information

Title:	INT13-C. Use bitwise operators only on unsigned operands
Author:	Robert Seacord	Feb 28, 2007
Last Changed by:	Richard W. Laughlin	May 29, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/9tYxBQ
Export As:	Word · PDF

SEI CERT C Coding Standard (2)     Page: INT34-C. Do not shift an expression by a negative number of bits or by greater than or equal to the number of bits that exist in the operand     Page: INT14-C. Avoid performing bitwise and arithmetic operations on the same data

Parent Page     Page: Rec. 04. Integers (INT)

• ldra
• fortify
• compass/rose
• splint
• android-applicable
• exceptions
• rose-complete
• recommendation
• int
• cwe-682

Time	Editor
May 29, 2025 15:15	Richard W. Laughlin	View Changes
Removed references to Annex K.
May 20, 2025 07:21	David Svoboda	View Changes
REM Cost Reform
Jan 19, 2025 17:52	Michal Rozenau	View Changes
Parasoft C/C++test 2024.2
Apr 20, 2023 06:14	Jill Britton	View Changes
Apr 27, 2022 08:41	Jill Britton

External Links (10)
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    cwe.mitre.org/data/definitions/682.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://www.sonarsource.com/products/codeanalyzers/sonarcfa…
    cwe.mitre.org/
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://wiki.sei.cmu.edu/confluence/display/c/Polyspace+Bug…
    https://www.securecoding.cert.org/confluence/display/c/AA.+…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://www.mathworks.com/help/bugfinder/ref/certcrec.int13…

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SEI CERT C++ Coding Standard (2)     Page: VOID INT13-CPP. Use bitwise operators only on unsigned operands     Home page: SEI CERT C++ Coding Standard