Re: [PATCH RFC3.5 08/12] send-email: Move Subject sanitization from --compose code to send_message

[Jay Soffian <jaysoffian@gmail.com>]

On Sat, Apr 18, 2009 at 10:37 PM, Michael Witten <mfwitten@gmail.com> wrote:
> On Sat, Apr 18, 2009 at 20:54, Jay Soffian <jaysoffian@gmail.com> wrote:
>> On Sat, Apr 18, 2009 at 1:02 PM, Michael Witten <mfwitten@gmail.com> wrote:
>>> +       my $sanitized_subject = ($subject =~ /[^[:ascii:]]/) ? quote_rfc2047($subject) : $subject;
>>
>> I wonder if it would be clearer to always call quote_rfc2047, then
>> have that function just return its input unaltered if quoting is not
>> needed.
>
> It actually ALWAYS changes the input. This code:

I think I was not clear. My suggestion was to move the /[^[:ascii:]]/
check to the inside of quote_rfc2047 exactly so that it doesn't always
change its input. i.e.

>        sub quote_rfc2047 {
>                local $_ = shift;

Add this:
                 return $_ unless /[^[:ascii:]]/;

>                my $encoding = shift || 'utf-8';
>                s/([^-a-zA-Z0-9!*+\/])/sprintf("=%02X", ord($1))/eg;
>                s/(.*)/=\?$encoding\?q\?$1\?=/;
>                return $_;
>        }

This simplifies things for the function caller I think.

j.