SEI CERT C Coding Standard

Space shortcuts

Page tree

Versions Compared

Old Version 28

changes.mady.by.user Robert Seacord

Saved on

compared with

New Version 29

changes.mady.by.user Justin Pincar

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Edited by sciSpider (sch jbop) (X_X)@==(Q_Q)@

...

The getenv function returns a pointer to a string associated with the matched list member. The string pointed to shall not be modified by the program, but may be overwritten by a subsequent call to the getenv function. If the specified name cannot be found, a null NULL pointer is returned.

Non-Compliant Code Example

...

Search for vulnerabilities resulting from the violation of this rule on the CERT website.

References

Wiki Markup
\[[ISO/IEC 9899-1999|AA. C References#ISO/IEC 9899-1999]\] Section 7.20.4.5, "The {{getenv}} function"
\[[Open Group 04|AA. C References#Open Group 04]\] [getenv|http://www.opengroup.org/onlinepubs/000095399/functions/getenv.html]