Strip trailing stuff from mime types.

    const char *handler;

    const char *p;

    size_t handler_len;

    int result = HTTP_INTERNAL_SERVER_ERROR;

    int result;

    char hbuf[MAX_STRING_LEN];

    if (r->handler) {

        handler = r->handler;

        handler_len = strlen(handler);

    }

    else {

        handler = r->content_type ? r->content_type : ap_default_type(r);

        if ((p = ap_strchr_c(handler, ';')) != NULL) {

        if (ap_strchr_c(handler, ';') != NULL) {

	    apr_cpystrn(hbuf, handler, sizeof hbuf);

	    handler = hbuf;

	    p = ap_strchr_c(handler, ';');

	    /* MIME type arguments */

            while (p > handler && p[-1] == ' ')

	        --p;		/* strip trailing spaces */

	    handler_len = p - handler;

	}

	else {

	    handler_len = strlen(handler);

	    *p='\0';

	}

    }