void ms_init (STRING *s,void *data,unsigned long size)
{
APPENDPACKAGE *md = (APPENDPACKAGE *) data;
s->data = data; /* note stream/msgno and header length */
mail_fetch_header (md->stream,md->msgno,NIL,NIL,&s->data1,
FT_PREFETCHTEXT|FT_PEEK);
#if 0
s->size = size; /* message size */
#else /* This kludge is necessary because of broken IMAP servers (sigh!) */
mail_fetch_text (md->stream,md->msgno,NIL,&s->size,FT_PEEK);
s->size += s->data1; /* header + body size */
#endif
SETPOS (s,0);
}
void ms_setpos (STRING *s,unsigned long i)
{
APPENDPACKAGE *md = (APPENDPACKAGE *) s->data;
if (i < s->data1) { /* want header? */
s->chunk = mail_fetch_header (md->stream,md->msgno,NIL,NIL,NIL,FT_PEEK);
s->chunksize = s->data1; /* header length */
s->offset = 0; /* offset is start of message */
}
else if (i < s->size) { /* want body */
s->chunk = mail_fetch_text (md->stream,md->msgno,NIL,NIL,FT_PEEK);
s->chunksize = s->size - s->data1;
s->offset = s->data1; /* offset is end of header */
}
else { /* off end of message */
s->chunk = NIL; /* make sure that we crack on this then */
s->chunksize = 1; /* make sure SNX cracks the right way... */
s->offset = i;
}
/* initial position and size */
s->curpos = s->chunk + (i -= s->offset);
s->cursize = s->chunksize - i;
}
int
raw_pipe_getc(unsigned char *c)
{
static char *free_this = NULL;
/*
* What is this if doing?
*
* If((just_starting && unsuccessful_fetch_header)
* || (no_chars_available && haven't_fetched_body
* && (not_supposed_to_fetch
* || (supposed_to_fetch_all && unsuccessful_fetch_text)
* || (supposed_to_partial_fetch && unsuccessful_partial_fetch))
* || (no_chars_available))
* return(0);
*
* otherwise, fall through and return next character
*/
if((!raw_pipe.cur
&& !(raw_pipe.cur = mail_fetch_header(raw_pipe.stream, raw_pipe.msgno,
NULL, NULL,
&raw_pipe.len,
raw_pipe.flags)))
|| ((raw_pipe.len <= 0L) && !raw_pipe.body
&& (raw_pipe.char_limit == 0L
|| (raw_pipe.char_limit < 0L
&& !(raw_pipe.cur = raw_pipe.body =
pine_mail_fetch_text(raw_pipe.stream,
raw_pipe.msgno,
NULL,
&raw_pipe.len,
raw_pipe.flags)))
|| (raw_pipe.char_limit > 0L
&& !(raw_pipe.cur = raw_pipe.body =
pine_mail_partial_fetch_wrapper(raw_pipe.stream,
raw_pipe.msgno,
NULL,
&raw_pipe.len,
raw_pipe.flags,
(unsigned long) raw_pipe.char_limit,
&free_this, 1)))))
|| (raw_pipe.len <= 0L)){
if(free_this)
fs_give((void **) &free_this);
return(0);
}
if(raw_pipe.char_limit > 0L
&& raw_pipe.body
&& raw_pipe.len > raw_pipe.char_limit)
raw_pipe.len = raw_pipe.char_limit;
if(raw_pipe.len > 0L){
*c = (unsigned char) *raw_pipe.cur++;
raw_pipe.len--;
return(1);
}
else
return(0);
}
