Re: extracting

[Alain Magloire]

> 

<off topic>

Is there a way, to set the subject of the mails and prepend
[mailutils] or something to the subject, whith the current
mailing list on gnu.  Lots of message goes unnoticed, because
the subject.

</off topic>

> I doing my first steps with MailUtils and have some newbie
> difficulties...
> 
> I simply want to read a mail file from disk and modify its
> attachments (remove, add).
> 
> Therefore, I started with some very basic code, like:
> 
> message_create(&msg, NULL);
> 
> // first, only want to read...
> file_stream_create(&fileStream, fileName, MU_STREAM_READ);
> stream_open(fileStream);
> 
> message_set_stream(msg, fileStream, NULL);
> 
> // read some header fields...
> message_get_header(msg, &header);
> header_get_value(header, MU_HEADER_FROM, mailFrom, sizeof(mailFrom), NULL);
> header_get_value(header, MU_HEADER_SUBJECT, mailSubject,
> sizeof(mailSubject), NULL);
> 
> ...so far, so good...
> 
> now I want to know if there are any attachments to be processed.
> For this I call
> 
> // get number of attachements...
> message_get_num_parts(msg, &numParts);
> 
> Unfortunately, I always get the result numParts = 0.
> 

I've copy your code and it seems to work ok.
I've got numParts return 2.

Is you email message properly format ?  with :
 Content-Type: multipart/alternative;
        boundary="----=_NextPart_000_007A_01C2A5DF.D9BCBBF0"

> In the example directory i saw mimetest.c which does quite the same, but
> only
> obtains the message from a mailbox.
> 
> Am I wrong that the whole message stream should be read and parsed with
> message_get_num_parts in order to obtain the count of parts? 
> Should I take an other approach (read whole message into memory)? 
> 
> Thanks for any help!