MISRAC++2023-21.6.1_a
In this section:
Synopsis
(Advisory) Dynamic memory should not be used
Enabled by default
No
Severity/Certainty
Low/Medium
Full description
Uses of new, delete malloc, calloc, realloc, or free were found. This check is identical to MISRAC++2008-18-4-1, MISRAC2004-20.4, MISRAC2012-Rule-21.3.
Coding standards
- MISRA C:2004 20.4
(Required) Dynamic heap memory allocation shall not be used.
- MISRA C:2012 Rule-21.3
(Required) The memory allocation and deallocation functions of <stdlib.h> shall not be used
- MISRA C++ 2008 18-4-1
(Required) Dynamic heap memory allocation shall not be used.
Code examples
The following code example fails the check and will give a warning:
#include <stdlib.h>
void *example(void) {
return malloc(100);
}
The following code example passes the check and will not give a warning about this issue:
void example(void) {
}