C and C++


LANG.PREPROC.MACROSTART : Macro Does Not Start With { or (

Summary

A macro definition does not start with a ( or { character.

Checks for this warning class examine all macro definitions, including those in regions that are excluded by preprocessor directives.

Properties

Class Name Macro Does Not Start With { or (
Significance style
Mnemonic LANG.PREPROC.MACROSTART
Categories
AUTOSARC++14 AUTOSARC++14:A16-0-1 The pre-processor shall only be used for unconditional and conditional file inclusion and include guards, and using the following directives: (1) #ifndef, (2) #ifdef, (3) #if, (4) #if defined, (5) #elif, (6) #else, (7) #define, (8) #endif, (9) #include.
CWE CWE:710 Improper Adherence to Coding Standards
CERT-C CERT-C:PRE02-C Macro replacement lists should be parenthesized
POW10 POW10:8 Limit the use of the preprocessor to file inclusion and simple macros.
JPL JPL:20 Make only very limited use of the C pre-processor.
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="Macro Does Not Start With { or ("

Example

/* 'Macro Does Not Start With { or (' warning issued on following line */
#define FIVEX(a) \
    5 * (a)

Relevant Configuration File Parameters

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