Provided by: systemtap-doc_2.9-2ubuntu2_all
NAME
function::user_string2_n_warn - Retrieves string from user space with alternative warning string
SYNOPSIS
user_string2_n_warn:string(addr:long,n:long,warn_msg:string)
ARGUMENTS
addr the user space address to retrieve the string from n the maximum length of the string (if not null terminated) warn_msg the warning message to return when data isn't available
DESCRIPTION
Returns up to n characters of a C string from a given user space memory address. Reports the given warning message on the rare cases when userspace data is not accessible and warns (but does not abort) about the failure.
SEE ALSO
tapset::uconversions(3stap)