Function tr_eval_nameaddr

transformations.c:2451–2636

static struct to_body *nameaddr_to_body = NULL;

int tr_eval_nameaddr(struct sip_msg *msg, tr_param_t *tp, int subtype,
		pv_value_t *val)
{
	struct to_param* topar;
	pv_value_t v;
	int index, total;
	struct to_body *nameaddr = NULL;

	if (!val)
		return -1;

	if (val->flags & PV_VAL_NULL)
		return 0;

	if(!(val->flags&PV_VAL_STR) || val->rs.len<=0)
		goto error;

	LM_DBG("String to transform %.*s\n", val->rs.len, val->rs.s);

	if(nameaddr_str.len==0 || nameaddr_str.len!=val->rs.len ||
			strncmp(nameaddr_str.s, val->rs.s, val->rs.len)!=0)
	{
		/* copy the value in the global variable */
		if(val->rs.len+CRLF_LEN > nameaddr_str.len)
		{
			if(nameaddr_str.s) pkg_free(nameaddr_str.s);
			nameaddr_str.s =
					(char*)pkg_malloc((val->rs.len+CRLF_LEN+1)*sizeof(char));
			if(nameaddr_str.s==NULL)
			{
				LM_ERR("no more private memory\n");
				memset(&nameaddr_str, 0, sizeof(str));
				goto error;
			}
		}
		nameaddr_str.len = val->rs.len + CRLF_LEN;
		memcpy(nameaddr_str.s, val->rs.s, val->rs.len);
		memcpy(nameaddr_str.s + val->rs.len, CRLF, CRLF_LEN);
		nameaddr_str.s[nameaddr_str.len] = '\0';

		/* reset old values */
		if (nameaddr_to_body) {
			free_to(nameaddr_to_body);
			nameaddr_to_body = NULL;
		}

		/* parse TO hdr + params */
		nameaddr_to_body = (struct to_body*)pkg_malloc(sizeof(struct to_body));
		if(nameaddr_to_body==NULL)
		{
			LM_ERR("no more private memory\n");
			/* keep the buffer, but flush the content to force the realloc
			   next time */
			nameaddr_str.s[0] = 0;
			goto error;
		}
		parse_multi_to(nameaddr_str.s, nameaddr_str.s + nameaddr_str.len,
			nameaddr_to_body);