FUNCTION::USER_STRIN(3stString and data retrieving FUNCTION::USER_STRIN(3stap)NAMEfunction::user_string_n_quoted - Retrieves and quotes string from user
space
SYNOPSIS
user_string_n_quoted:string(addr:long,n:long)
ARGUMENTS
addr
the user space address to retrieve the string from
n
the maximum length of the string (if not null terminated)
DESCRIPTION
Returns up to n characters of a C string from the given user space
memory address where any ASCII characters that are not printable are
replaced by the corresponding escape sequence in the returned string.
Note that the string will be surrounded by double quotes. On the rare
cases when userspace data is not accessible at the given address, the
address itself is returned as a string, without double quotes.
SystemTap Tapset Reference November 2013 FUNCTION::USER_STRIN(3stap)