LANG.PREPROC.INCL.MF : Malformed #include

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CodeSonar^® 9.2p0

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C and C++

LANG.PREPROC.INCL.MF : Malformed #include

Summary

The #include or #include_next preprocessor directive is not followed by a string of the form <filename> or "filename".

Note that many such malformed directives will trigger parse errors, either in your native compiler or in the CodeSonar parser. Such a parse error will prevent a Malformed #include warning from being issued; correcting the parse error will also correct the malformedness problem.

This warning class is a strict subset of Inappropriate Include File Specification.

Properties

Class Name

Malformed #include

Significance

style

Mnemonic

LANG.PREPROC.INCL.MF

Categories

MisraC2025	MisraC2025:20.3	The #include directive shall be followed by either a <filename> or "filename" sequence
MisraC2023	MisraC2023:20.3	The #include directive shall be followed by either a <filename> or "filename" sequence
Misra2012	Misra2012:20.3	The #include directive shall be followed by either a <filename> or "filename" sequence
Misra2004	Misra2004:19.3	The #include directive shall be followed by either a <filename> or "filename" sequence
MisraC++2008	MisraC++2008:16-2-6	The #include directive shall be followed by either a <filename> or "filename" sequence.
MisraC++2023	MisraC++2023:19.2.2	The #include directive shall be followed by either a <filename> or "filename" sequence
JSF++	JSF++:33	The #include directive shall use the <filename.h> notation to include header files.

Availability

Available for C and C++.

Enabling

Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file.

WARNING_FILTER += allow class="Malformed #include"

Example

Many compilers will fail with an error if they encounter a malformed #include directive. If you are using such a compiler you will generally detect and resolve bugs of this class at compilation time, before the CodeSonar analysis runs.

#include "stdio.h"                       /* has form "filename" */

/* Attempting to compile with a malformed #include will cause an error
 * in many compilers, so we preprocess this line out to ensure the
 * example can be compiled. CodeSonar will still issue a warning.
 */
#if 0
#include otherheader.h /* 'Malformed #include' issued here */
#endif

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

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