October 2008
Intermediate to advanced
720 pages
14h 6m
English
Content preview from The CERT® C Secure Coding StandardENV00-C. Do not store the pointer to the string returned by
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Chapter 11. Environment (ENV)
Recommendations and Rules
Risk Assessment Summary
Related Rules and Recommendations
ENV00-C. Do not store the pointer to the string returned by getenv()
C99, Section 7.20.4.5, defines getenv() to have the following behavior:
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 ...
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