NAME

       function::user_string_n2_quoted - Retrieves and quotes string from user space

SYNOPSIS

           user_string_n2_quoted:string(addr:long,inlen:long,outlen:long)

ARGUMENTS

       addr
           the user space address to retrieve the string from

       inlen
           the maximum length of the string to read (if not null terminated)

       outlen
           the maximum length of the output string

DESCRIPTION

       Reads up to inlen characters of a C string from the given user space memory address, and returns up to
       outlen characters, 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.

SEE ALSO

       tapset::uconversions(3stap)

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