Page Information

Title:	INT07-C. Use only explicitly signed or unsigned char type for numeric values
Author:	Robert Seacord	Oct 26, 2006
Last Changed by:	Jill Britton	Apr 20, 2023
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/AtcxBQ
Export As:	Word · PDF

SEI CERT C Coding Standard (2)     Page: STR34-C. Cast characters to unsigned char before converting to larger integer sizes     Page: INT12-C. Do not make assumptions about the type of a plain int bit-field when used in an expression

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

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

Time	Editor
Apr 20, 2023 06:12	Jill Britton	View Changes
Apr 23, 2021 12:26	Jill Britton	View Changes
Apr 21, 2021 05:18	Jill Britton	View Changes
Apr 20, 2021 06:35	Jill Britton	View Changes
Feb 28, 2021 15:18	Kris Kafka
Added PC-lint Plus to Automated Detection Table

External Links (10)
    https://support.roguewave.com/documentation/klocwork/en/cur…
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://www.mathworks.com/help/bugfinder/ref/certcrec.int07…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    cwe.mitre.org/
    cwe.mitre.org/data/definitions/682.html
    https://wiki.sei.cmu.edu/confluence/display/c/Polyspace+Bug…
    https://www.sonarsource.com/products/codeanalyzers/sonarcfa…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…

SEI CERT C Coding Standard (29)     Page: ECLAIR_V     Page: RuleChecker     Page: Axivion Bauhaus Suite_V     Page: CodeSonar_V     Page: RuleChecker_V     Page: Parasoft     Page: Klocwork     Page: Klocwork_V     Page: Rose     Page: Helix QAC_V     Page: PC-lint Plus     Page: Astrée     Page: CodeSonar     Page: void FIO34-C. Use int to capture the return value of character IO functions that might be used to check for end of file     Page: Polyspace Bug Finder_V     Page: Splint_V     Page: AA. Bibliography     Page: STR00-C. Represent characters using an appropriate type     Page: Parasoft_V     Page: BB. Definitions     Page: LDRA_V     Page: ECLAIR     Page: LDRA     Page: Helix QAC     Page: Splint     Page: PC-lint Plus_V     Page: Axivion Bauhaus Suite     Page: Astrée_V     Home page: SEI CERT C Coding Standard

SEI CERT C++ Coding Standard (2)     Home page: SEI CERT C++ Coding Standard     Page: VOID INT07-CPP. Use only explicitly signed or unsigned char type for numeric values