DOKK / manpages / debian 11 / systemtap-doc / function::user_string_n_nofault.3stap.en
FUNCTION::USER_STRIN(3stap) String and data retrieving fun FUNCTION::USER_STRIN(3stap)

function::user_string_n_nofault - Retrieves string of given length from user space



    user_string_n_nofault(addr:long,n:long)

addr

the user space address to retrieve the string from

n

the maximum length of the string (if not null terminated)

Returns the C string of a maximum given length from a given user space address. Returns the empty string when userspace data is not accessible at the given address.

tapset::uconversions(3stap)

November 2020 SystemTap Tapset Reference