C and C++


BADMACRO.STDINT_H_ICONST : Use of <stdint.h> Small Integer Constant Macro

Summary

A use of one of the following preprocessor macros: INT8_C, INT16_C, UINT8_C, UINT16_C.

See also Inappropriate Argument to Integer Constant Macro.

Properties

Class Name Use of <stdint.h> Small Integer Constant Macro
Significance reliability
Mnemonic BADMACRO.STDINT_H_ICONST
Categories
MisraC2023 MisraC2023:7.6 The small integer variants of the minimum-width integer constant macros shall not be used
Misra2012 Misra2012:7.6 The small integer variants of the minimum-width integer constant macros shall not be used
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="Use of <stdint.h> Small Integer Constant Macro"

Example

#include <stdint.h>

uint16_t u16 = UINT16_C(1729); /* 'Use of <stdint.h> Small Integer Constant Macro'
                                *  warning issued here */

Relevant Configuration File Parameters

This class is implemented using a BAD_MACRO_* rule set in the general template configuration file.

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