LANG.FUNCS.APM : Array Parameter Mismatch

JavaScript is not currently enabled, but is required for full CodeSonar manual search and browse functionality.

If you are viewing this file in your hub's Web GUI, enable JavaScript in your browser: you will also need it for GUI functionality.

If you opened this file directly from disk, your browser may be directly suppressing JavaScript functionality: certain browsers perform this suppression on local files (but not files delivered by web servers) for security reasons.

If you access the manual through the hub's Web GUI, the functionality will not be suppressed because the hub is a web server.
Alternatively, your browser may allow you to explicitly disable the security setting that suppresses functionality. See the CodeSonar FAQ for more information.

CodeSonar^® 9.2p0

CONFIDENTIAL

CodeSecure Inc

LANG.FUNCS.APM : Array Parameter Mismatch

Summary

A function parameter is declared to have array type with specified size S, but the function is called with an array argument that has fewer than S elements.

Properties

MisraC2025

MisraC2025:17.5

The function argument corresponding to a parameter declared to have an array type shall have an appropriate number of elements

MisraC2023

MisraC2023:17.5

The function argument corresponding to a parameter declared to have an array type shall have an appropriate number of elements

Misra2012

Misra2012:17.5

The function argument corresponding to a parameter declared to have an array type shall have an appropriate number of elements

AUTOSARC++14

AUTOSARC++14:A18-1-1

C-style arrays shall not be used.

CWE

CWE:686

Function Call With Incorrect Argument Type

CWE:687

Function Call With Incorrectly Specified Argument Value

CWE:688

Function Call With Incorrect Variable or Reference as Argument

TS17961

TS17961:5.6-argcomp

Calling functions with incorrect arguments

CERT-C

CERT-C:EXP37-C

Call functions with the correct number and type of arguments

Insecure design

Insecure Design

Example

#include <stdlib.h>

void fnarr4 ( int a4[ 4 ] );
void fnarr2 ( int a2[ 2 ] );
void fnarr ( int a[ ] );

void apm( void )
{
    int arr3[ 3 ] = { 1, 2, 3 };
    int arr4[ 4 ] = { 0, 1, 2, 3 };

    fnarr4(arr3);  /* 'Array Parameter Mismatch' warning issued here */
    fnarr2(arr3);           /* length of arr3 ≥ 2  */
    fnarr(arr3);            /* fnarr() declaration does not specify size for array parameter */
}

Relevant Configuration File Parameters

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