Synopsis

(Mandatory) The size_t argument passed to any function in <string.h> shall have an appropriate value

Enabled by default

Yes

Severity/Certainty

Medium/Medium

Full description

A call to memchr causes a buffer overrun.

Coding standards

Code examples

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

#include <string.h>

void f() {
  char s[] = "Hello";
  memchr(s, 'H', 10);
}

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

#include <string.h>

 void f() {
   char s[] = "Hello";
   memchr(s, 'H', 10);
 }