Page History

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Instead of using /* and */ to comment out blocks of code, use conditional compilation (for example, #if, #ifdef, or #ifndef).:

Code Block

bgColor	#ccccff
lang	c

#if 0  /* Use of critical security function no
        * longer necessary */
security_critical_function();
/* Some other comment */
#endif

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Tool

Version

Checker

Description

GCC

Include Page

	GCC_V
	GCC_V

Can detect violations of this rule when the -Wcomment flag is used.

Include Page

	ECLAIR_V
	ECLAIR_V

cmntdout_tokenuse

Fully implemented

Include Page

	LDRA_V
	LDRA_V

119 S
302 S

Partially implemented.

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

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CERT C++ Secure Coding Standard	MSC04-CPP. Use comments consistently and in a readable fashion
MISRA - C:2012	Rule 21.2 (advisory) Rule 2.3 Rule 2.43.1 (required) Directive 4.4 (advisory)

Bibliography

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