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.



SystemTap Tapset Reference                                 August 2011                               FUNCTION::USER_STRIN(3stap)