Page Information

Title:	PRE31-C. Avoid side effects in arguments to unsafe macros
Author:	Robert Seacord	Sep 28, 2007
Last Changed by:	Francesco Mariani	Aug 31, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/I9YxBQ
Export As:	Word · PDF

SEI CERT C++ Coding Standard (1)     Page: EXP52-CPP. Do not rely on side effects in unevaluated operands

SEI CERT C Coding Standard (4)     Page: EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic     Page: PRE12-C. Do not define unsafe macros     Page: PRE00-C. Prefer inline or static functions to function-like macros     Page: FIO41-C. Do not call getc(), putc(), getwc(), or putwc() with a stream argument that has side effects

Parent Page     Page: Rule 01. Preprocessor (PRE)

• sample
• rose-na-macros
• android-applicable
• exceptions
• ptc
• rule
• pre
• in-cpp

Time	Editor
Aug 31, 2025 04:52	Francesco Mariani	View Changes
Aug 06, 2025 17:45	David Svoboda	View Changes
REM cost reform
May 06, 2025 10:42	David Svoboda	View Changes
May 05, 2025 08:03	David Svoboda	View Changes
May 05, 2025 08:02	David Svoboda
REM Cost Reform

External Links (9)
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html
    gcc.gnu.org/onlinedocs/gcc/Typeof.html
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/display/c/How+this+Codi…
    https://wiki.sei.cmu.edu/confluence/display/c/BB.+Definitio…
    https://www.mathworks.com/help/bugfinder/ref/certcrulepre31…
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…

SEI CERT C Coding Standard (37)     Page: Coverity     Page: INT32-C. Ensure that operations on signed integers do not result in overflow     Page: Cppcheck Premium     Page: PC-lint Plus     Page: Polyspace Bug Finder_V     Page: Parasoft_V     Page: PRE12-C. Do not define unsafe macros     Page: Axivion Bauhaus Suite     Page: EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic     Page: MSC14-C. Do not introduce unnecessary platform dependencies     Home page: SEI CERT C Coding Standard     Page: Astrée_V     Page: Polyspace Bug Finder     Page: Helix QAC     Page: PC-lint Plus_V     Page: LDRA_V     Page: CodeSonar     Page: ECLAIR     Page: Axivion Bauhaus Suite_V     Page: AA. Bibliography     Page: LDRA     Page: Security Reviewer - Static Reviewer_V     Page: Klocwork     Page: Astrée     Page: CodeSonar_V     Page: RuleChecker     Page: MSC11-C. Incorporate diagnostic tests using assertions     Page: Cppcheck Premium_V     Page: Coverity_V     Page: Parasoft     Page: BB. Definitions     Page: Klocwork_V     Page: Security Reviewer - Static Reviewer     Page: PRE00-C. Prefer inline or static functions to function-like macros     Page: ECLAIR_V     Page: Helix QAC_V     Page: RuleChecker_V