Skip to main content

IAR Embedded Workbench for Arm 9.70.x

MISRAC2012-Rule-9.5_b

In this section:
Synopsis

(Required) Where designated initializers are used to initialize an array object the size of the array shall be specified explicitly.

Enabled by default

Yes

Severity/Certainty

Medium/Medium

mediummedium.png
Full description

A flexible array member was found that is initialized with a designated initializer.

Coding standards
MISRA C:2012 Rule-9.5

(Required) Where designated initializers are used to initialize an array object the size of the array shall be specified explicitly

Code examples

The following code example fails the check and will give a warning:

struct A {
        int x;
        int y [];
};
struct A a1 = {1,{[1]=2}};

void example (void) {

}

The following code example passes the check and will not give a warning about this issue:

struct A {
        int x;
        int y [2];
};
struct A a1 = {1,{[1]=2}};

void example (void) {

}