FUNCTION::USER_STRIN(3stString and data retrieving FUNCTION::USER_STRIN(3stap)NAMEfunction::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 March 2013 FUNCTION::USER_STRIN(3stap)