function::user_string_n2
名称
function::user_string_n2 — Retrieves string of given length from user space
Synopsis
user_string_n2:string(addr:long,n:long,err_msg:string)
Arguments
addr- the user space address to retrieve the string from
n- the maximum length of the string (if not null terminated)
err_msg- the error message to return when data isn't available
Description
Returns the C string of a maximum given length from a given user space address. Returns the given error message string on the rare cases when userspace data is not accessible at the given address.
