Page Information

Title:	INT10-C. Do not assume a positive remainder when using the % operator
Author:	Robert Seacord	Sep 26, 2007
Last Changed by:	David Svoboda	May 20, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/_NUxBQ
Export As:	Word · PDF

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

• fortify
• compass/rose
• android-applicable
• rose-partial
• recommendation
• int
• cwe-682

Time	Editor
May 20, 2025 07:20	David Svoboda	View Changes
REM Cost Reform
Jun 12, 2023 06:21	Michal Rozenau	View Changes
Parasoft C/C++test 2023.1
Apr 20, 2023 06:13	Jill Britton	View Changes
Jul 29, 2021 10:37	Joseph C. Sible	View Changes
Use clearer numbers in the implied behavior
Apr 23, 2021 12:28	Jill Britton

External Links (11)
    https://www.mathworks.com/help/bugfinder/ref/certcrec.int10…
    cwe.mitre.org/
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    cwe.mitre.org/data/definitions/682.html
    msdn2.microsoft.com/en-us/library/efa0csed%28VS.80%29.aspx
    cwe.mitre.org/data/definitions/129.html
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://www.securecoding.cert.org/confluence/display/seccod…
    docs.sun.com/source/819-3688/c90.implementation.app.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…

SEI CERT Oracle Coding Standard for Java (2)     Home page: SEI CERT Oracle Coding Standard for Java     Page: NUM02-J. Ensure that division and remainder operations do not result in divide-by-zero errors

SEI CERT C++ Coding Standard (2)     Page: VOID INT10-CPP. Do not assume a positive remainder when using the % operator     Home page: SEI CERT C++ Coding Standard

SEI CERT C Coding Standard (15)     Page: ERR02-C. Avoid in-band error indicators     Page: LDRA     Page: Rose     Page: LDRA_V     Page: Polyspace Bug Finder     Page: INT01-C. Use size_t or rsize_t for all integer values representing the size of an object     Page: Parasoft     Page: Parasoft_V     Page: INT32-C. Ensure that operations on signed integers do not result in overflow     Page: AA. Bibliography     Page: Polyspace Bug Finder_V     Page: BB. Definitions     Page: Helix QAC_V     Home page: SEI CERT C Coding Standard     Page: Helix QAC