SEI CERT C Coding Standard

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Title: FIO46-C. Do not access a closed file  
Author: Robert Seacord Dec 04, 2013
Last Changed by: David Svoboda May 05, 2025
Tiny Link: (useful for email) https://wiki.sei.cmu.edu/confluence/x/QdUxBQ
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Incoming Links
SEI CERT C Coding Standard (1)
    Page: CC. Undefined Behavior
Android (1)
    Page: Unknown Applicability (C Rules/Recomendations)
Hierarchy
Parent Page
    Page: Rule 09. Input Output (FIO)
Labels
Global Labels (5)
Recent Changes
Time Editor  
May 05, 2025 09:08 Caden Milne View Changes
REM Cost Reform
Mar 27, 2025 16:41 Caden Milne View Changes
Identify undefined behavior
Nov 25, 2024 12:38 Caden Milne View Changes
Updated UB references from C11->C23
Nov 08, 2024 14:19 Caden Milne View Changes
Updated references from C11->C23
Apr 20, 2023 05:27 Jill Britton  
Outgoing Links
External Links (6)
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://www.mathworks.com/help/bugfinder/ref/certcrulefio46…
    https://www.sonarsource.com/products/codeanalyzers/sonarcfa…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://www.kb.cert.org/vulnotes/bymetric?searchview&query=…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
SEI CERT C Coding Standard (23)     Page: AA. Bibliography
    Page: CodeSonar
    Page: Helix QAC
    Page: Polyspace Bug Finder
    Page: BB. Definitions
    Page: LDRA_V
    Page: Coverity
    Page: Astrée_V
    Page: Polyspace Bug Finder_V
    Home page: SEI CERT C Coding Standard
    Page: PC-lint Plus_V
    Page: CC. Undefined Behavior
    Page: Coverity_V
    Page: LDRA
    Page: CodeSonar_V
    Page: Klocwork
    Page: Parasoft
    Page: Rose
    Page: Parasoft_V
    Page: Klocwork_V
    Page: Helix QAC_V
    Page: Astrée
    Page: PC-lint Plus