2. EL 6 ELS
  3. systemtap-client
  4. function::user_string2(3stap)

Scroll to navigation

FUNCTION::USER_STRIN(3stap) String and data retrieving fun FUNCTION::USER_STRIN(3stap)

NAME

function::user_string2 - Retrieves string from user space with alternative error string

SYNOPSIS



    user_string2:string(addr:long,err_msg:string)

ARGUMENTS

addr

the user space address to retrieve the string from

err_msg

the error message to return when data isn´t available

DESCRIPTION

Returns the null terminated C string from a given user space memory address. Reports the given error message on the rare cases when userspace data is not accessible.

SEE ALSO0

tapset::uconversions(3stap)

June 2018 SystemTap Tapset Reference