FUNCTION::USER_STRIN(3stString and data retrieving FUNCTION::USER_STRIN(3stap)NAMEfunction::user_string_n2 - Retrieves string of given length from user
space
SYNOPSIS
user_string_n2:string(addr:long,n:long,err_msg:string)
ARGUMENTS
addr
the user space address to retrieve the string from
n
the maximum length of the string (if not null terminated)
err_msg
the error message to return when data isnĀ“t available
DESCRIPTION
Returns the C string of a maximum given length from a given user space
address. Returns the given error message string on the rare cases when
userspace data is not accessible at the given address.
AUTHOR
SystemTap
Hackers
COPYRIGHTSystemTap Tapset Reference February 2012 FUNCTION::USER_STRIN(3stap)