SEI CERT C Coding Standard

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Title: Rule 09. Input Output (FIO)  
Author: Jeffrey Gennari Jul 27, 2006
Last Changed by: David Svoboda Aug 06, 2025
Tiny Link: (useful for email) https://wiki.sei.cmu.edu/confluence/x/jtYxBQ
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Hierarchy
Parent Page
    Page: 2 Rules
Children (13)
    Page: FIO30-C. Exclude user input from format strings
    Page: FIO32-C. Do not perform operations on devices that are only appropriate for files
    Page: FIO34-C. Distinguish between characters read from a file and EOF or WEOF
    Page: FIO37-C. Do not assume that fgets() or fgetws() returns a nonempty string when successful
    Page: FIO38-C. Do not copy a FILE object
    Page: FIO39-C. Do not alternately input and output from a stream without an intervening flush or positioning call
    Page: FIO40-C. Reset strings on fgets() or fgetws() failure
    Page: FIO41-C. Do not call getc(), putc(), getwc(), or putwc() with a stream argument that has side effects
    Page: FIO42-C. Close files when they are no longer needed
    Page: FIO44-C. Only use values for fsetpos() that are returned from fgetpos()
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Time Editor  
Aug 06, 2025 17:49 David Svoboda View Changes
May 20, 2025 10:04 David Svoboda View Changes
May 20, 2025 09:47 David Svoboda View Changes
May 06, 2025 10:59 David Svoboda View Changes
May 06, 2025 10:09 David Svoboda  
Outgoing Links
External Links (5)
    https://confluence/label/seccode/fio
    https://confluence/label/seccode/rule
    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…
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