comp-manager: add comment to explain query can't b consist of BASE64 format

Signed-off-by: saerome.kim <saerome.kim@samsung.com>

diff --git a/src/companion-manager/src/comp_iot.c b/src/companion-manager/src/comp_iot.c
index 44f82e89444ef4a4048a4c7c3f4752fe193b8ac5..d3f4b8d83c38709ff6c6952ab0acd5ebb6445684 100644 (file)
--- a/src/companion-manager/src/comp_iot.c
+++ b/src/companion-manager/src/comp_iot.c
@@ -151,7 +151,13 @@ static void _request_handler(iotcon_resource_h resource, iotcon_request_h reques
                                LOG_DEBUG("Receive Data");
 
                                iotcon_query_lookup(query, "data", &data);
-                               payload_len = strlen(data);
+                               /*
+                                 * BASE64 encoding/decoding system use '=' as padding byte
+                                 * But, query parameter does not allow use '=' character.Basically,
+                                 * So, in order to use BASE64 as query parameters, we need additioinal length param
+                                 * such as 'len=xx'
+                                 */
+                               payload_len = strlen(data); /* This data may be cliped the last padding 1~2 bytes ('='/'==') */
 
                                LOG_DEBUG("data = %s payload_len = %d", data, payload_len);