Uninitialized variable: p.

Uninitialized variable: p.

Uninitialized variable: a.

Uninitialized variable: a.

Pointer addition with NULL pointer.

Pointer addition with NULL pointer.

Either the condition '!s' is redundant or there is pointer arithmetic with NULL pointer.

Pointer addition with NULL pointer.

Either the condition '!s' is redundant or there is pointer arithmetic with NULL pointer.

Pointer addition with NULL pointer.

Either the condition '!s' is redundant or there is pointer arithmetic with NULL pointer.

Pointer addition with NULL pointer.

Overflow in pointer arithmetic, NULL pointer is subtracted.

Overflow in pointer arithmetic, NULL pointer is subtracted.

Either the condition '!s' is redundant or there is overflow in pointer subtraction.

Overflow in pointer arithmetic, NULL pointer is subtracted.

Either the condition '!s' is redundant or there is overflow in pointer subtraction.

Overflow in pointer arithmetic, NULL pointer is subtracted.

Possible null pointer dereference if the default parameter value is used: p.

Possible null pointer dereference if the default parameter value is used: p.

Possible null pointer dereference if the default parameter value is used: p.

Possible null pointer dereference if the default parameter value is used: p.

Possible null pointer dereference if the default parameter value is used: p.

Null pointer dereference: f().

Null pointer dereference: p.