Function pv_parse_sdp_stream_name

sdp_ops.c:877–978

int pv_parse_sdp_stream_name(pv_spec_p sp, const str *_in)
{
	str in = *_in, tok;
	int escape = 0, i, midx = 0;
	struct sdp_pv_param *param;
	struct sdp_chunk_match *matches[4];
	char *p;

	if (!sp)
		return -1;

	if (!in.s || in.len == 0)
		goto done;

	if (in.s[0] == PV_MARKER) {
		LM_ERR("no support for dynamic names in $sdp.line\n");
		return -1;
	} else if (in.s[0] == '@') {
		// TODO: impl custom SDP holders (perhaps using a map)
		return -1;
	}

	param = pkg_malloc(sizeof *param);
	if (!param) {
		LM_ERR("oom\n");
		return -1;
	}
	memset(param, 0, sizeof *param);

	matches[0] = &param->match_stream;
	matches[1] = &param->match_line;
	matches[2] = &param->match_token;
	matches[3] = NULL;

	tok.s = in.s;
	for (i = 0; i < in.len; i++) {
		if (!matches[midx])
			break;

		if (escape && (in.s[i] == '\\' || in.s[i] == '/')) {
			memmove(&in.s[i-1], &in.s[i], in.len - i);
			in.len--;
			i--;
			escape = 0;
			continue;
		}

		if (in.s[i] == '\\') {
			escape = 1;
			continue;
		}
		escape = 0;

		if (in.s[i] == '[' || in.s[i] == '/') {
			tok.len = i - (tok.s - in.s);
			trim_leading(&tok);

			if (in.s[i] == '[') {