Provided by: systemtap-doc_5.1-4_amd64 bug

NAME

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

SYNOPSIS

       1) user_string_n:string(addr:long,n:long)

       2) user_string_n: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

       1) Returns the C string of a maximum given length from a given user space address. Reports
       an error on the rare cases when userspace data is not accessible at the given address.

       2) 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.

SEE ALSO

       tapset::uconversions(3stap)

SEE ALSO

       tapset::uconversions(3stap)