FUNCTION::USER_STRIN(3stString and data retrieving 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 ALSO tapset::uconversions(3stap)

SystemTap Tapset Reference December 2016 FUNCTION::USER_STRIN(3stap)