table of contents
FUNCTION::USER_STRIN(3stap) | String and data retrieving fun | FUNCTION::USER_STRIN(3stap) |
NAME¶
function::user_string_n_nofault - Retrieves string of given length from user space
SYNOPSIS¶
user_string_n_nofault(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 the empty string when userspace data is not accessible at the given address.
SEE ALSO0¶
tapset::uconversions(3stap)
November 2023 | SystemTap Tapset Reference |