iai_callgrind::client_requests::memcheck

Function check_mem_is_defined

source 
pub fn check_mem_is_defined(addr: *const (), len: usize) -> usize
Available on crate feature client_requests_defs only.
Expand description

Check that memory at addr is addressable and defined for len bytes.

If suitable addressibility and definedness are not established, Valgrind prints an error message and returns the address of the first offending byte. Otherwise, it returns zero.