FUNCTION::USER_STRIN(3stString and data retrieving FUNCTION::USER_STRIN(3stap)NAMEfunction::user_string_n - Retrieves string of given length from user
space
SYNOPSIS
user_string_n:string(addr:long,n:long)
ARGUMENTS
addr
the user space address to retrieve the string from
n
the maximum length of the string (if not null terminated)
DESCRIPTION
Returns the C string of a maximum given length from a given user space
address. Returns “<unknown>” on the rare cases when userspace data is
not accessible at the given address.
AUTHOR
SystemTap
Hackers
COPYRIGHTSystemTap Tapset Reference February 2012 FUNCTION::USER_STRIN(3stap)