NAME

       function::user_string2_warn - Retrieves string from user space with alternative warning string

SYNOPSIS

           user_string2_warn:string(addr:long,warn_msg:string)

ARGUMENTS

       addr
           the user space address to retrieve the string from

       warn_msg
           the warning 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 warning
       message on the rare cases when userspace data is not accessible and warns (but does not abort) about the
       failure.

SEE ALSO

       tapset::uconversions(3stap)

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