Hi guys,
How do we handle errors in an output filter if the headers have already been
sent?
Suppose:
static apr_status myfilter( ... )
{
if( !ctx )
{
....
}
if( ctx->state++ == 0 )
{
....
}
else
{
/* headers already sent??? */
...
ERROR DETECTED HERE!!!
}
return ap_pass_brigade( f->next, bb );
}
What will happen if I 'return APR_EGENERAL' when the error is detected? What
is the right thing to do?
Also, how does http_header filter calculate 'content-length'. Aren't output
filters feeding data to the client chunks by chunks? So how does it know how
big it will be?
Tahiry
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