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EXP05-EX2: A number of C99 standard library functions are specified to return non-const pointers that refer to their const-qualified arguments. When the actual arguments to such functions reference const objects, attempting to use the returned non-const pointers to modify the const objects would be a violation of guideline rule EXP40-C. Do not modify constant values and lead to undefined behavior. These functions are the following:
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
CERT C++ Secure Coding Standard: EXP35-CPP. Do not cast away a const qualification
Bibliography
Wiki Markup
\[[ISO/IEC PDTR 24772|AA. Bibliography#ISO/IEC PDTR 24772]\] "HFC Pointer casting and pointer type changes" and "IHN Type system" \[[MISRA 2004|AA. Bibliography#MISRA 04]\] Rule
MISRA Rule 11.5 \[[MITRE 2007|AA. Bibliography#MITRE 07]\] [CWE ID 704|http://cwe.mitre.org/data/definitions/704.html], "Incorrect Type Conversion or Cast"
MITRE CWE: CWE-704, "Incorrect Type Conversion or Cast"
Bibliography
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EXP04-C. Do not perform byte-by-byte comparisons involving a structure 03. Expressions (EXP) EXP06-C. Operands to the sizeof operator should not contain side effects