Page Information

Title:	ENV31-C. Do not rely on an environment pointer following an operation that may invalidate it
Author:	Justin Pincar	May 18, 2007
Last Changed by:	Joerg Herter	Oct 29, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/5NUxBQ
Export As:	Word · PDF

Parent Page     Page: Rule 10. Environment (ENV)

• review-dms
• compass/rose
• review
• android-applicable
• ptc
• env
• review-rcs
• rose-complete
• posix
• rule
• review-ajb
• in-cpp

Time	Editor
Oct 29, 2025 08:03	Joerg Herter	View Changes
May 05, 2025 09:11	Swasti Shrivastava	View Changes
REM Cost Reform
Dec 12, 2024 01:28	Swasti Shrivastava	View Changes
Nov 08, 2024 14:53	Caden Milne	View Changes
Updated references from C11->C23
Sep 14, 2024 08:34	Swasti Shrivastava

External Links (13)
    https://wiki.sei.cmu.edu/confluence/display/c/Cppcheck+Prem…
    https://www.mathworks.com/help/bugfinder/ref/certcruleenv31…
    https://wiki.sei.cmu.edu/confluence/display/c/Polyspace+Bug…
    msdn.microsoft.com/en-us/library/eyw7eyfw.aspx
    https://wiki.sei.cmu.edu/confluence/display/c/How+this+Codi…
    msdn.microsoft.com/en-us/library/stxk41x1.aspx
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    msdn.microsoft.com/en-us/library/tehxacec.aspx
    https://wiki.sei.cmu.edu/confluence/display/cplusplus/VOID+…
    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/pages/viewpage.action?p…

SEI CERT C Coding Standard (16)     Page: Astrée_V     Home page: SEI CERT C Coding Standard     Page: RuleChecker     Page: Rose     Page: Parasoft     Page: ENV34-C. Do not store pointers returned by certain functions     Page: Polyspace Bug Finder_V     Page: AA. Bibliography     Page: LDRA     Page: Helix QAC     Page: BB. Definitions     Page: LDRA_V     Page: Parasoft_V     Page: Astrée     Page: Helix QAC_V     Page: RuleChecker_V