Function sdp_ops_parse_lines

sdp_ops.c:395–447

int sdp_ops_parse_lines(struct sdp_body_part_ops *ops, str *body)
{
	char *p, *lim = body->s + body->len, _sep[2], sep, *start;
	int sep_len = 1, i = 0;

	if (!sdp_detect_line_sep(body, _sep, &sep_len)) {
		LM_ERR("failed to detect SDP separator, first 50B: '%.*s'\n",
		        body->len >= 50 ? 50:body->len, body->s);
		return -1;
	}

	sep = _sep[0];
	start = body->s;
	for (p = start; p < lim; p++) {
		if (*p != sep || (sep_len == 2 && p < (lim-1) && *(p+1) != '\n'))
			continue;

		if (i >= SDP_MAX_LINES) {
			LM_ERR("SDP body exceeds maximum line count (%d)\n",
					SDP_MAX_LINES);
			return -1;
		}

		/* lines are stored *without* the ending separator */
		ops->lines[i].line.s = start;
		ops->lines[i].line.len = p - start;
		ops->lines[i++].newbuf = 0;

		start = p + sep_len;
	}

	/* edge-case: the very last SDP line does not include a separator... */
	if (start < lim) {
		if (i >= SDP_MAX_LINES) {
			LM_ERR("SDP body exceeds maximum line count (%d)\n",
					SDP_MAX_LINES);
			return -1;
		}

		ops->lines[i].line.s = start;
		ops->lines[i].line.len = p - start;
		ops->lines[i++].newbuf = 0;
		ops->flags |= SDP_OPS_FL_NO_LLF;
	}

	LM_DBG("parsed %d SDP lines in total\n", i);
	ops->lines_sz = i;

	memcpy(ops->sep, _sep, sep_len);
	ops->sep_len = sep_len;

	return 0;
}

#define first_part_by_mime( _part_start, _part_end, _mime) \
	do {\