Synopsis

(Required) The functions atof, atoi, and atol from the library stdlib.h shall not be used.

Enabled by default

Yes

Severity/Certainty

Low/Medium

Full description

Use of the functions atof, atoi, atol, or atoll was detected. This check is identical to MISRAC++2008-18-0-2, MISRAC2012-Rule-21.7, MISRAC++2023-21.2.1.

Coding standards

Code examples

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

#include <stdlib.h>

int example(char buf[]) {
  return atoi(buf);
}

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

void example(void) {
}