diff --git a/loc_api/libloc_api_50001/loc_eng.h b/loc_api/libloc_api_50001/loc_eng.h
index 86bdae43..da185462 100644
--- a/loc_api/libloc_api_50001/loc_eng.h
+++ b/loc_api/libloc_api_50001/loc_eng.h
@@ -140,6 +140,9 @@ typedef struct loc_eng_data_s
 } loc_eng_data_s_type;
 
 /* GPS.conf support */
+/* NOTE: the implementaiton of the parser casts number
+   fields to 32 bit. To ensure all 'n' fields working,
+   they must all be 32 bit fields. */
 typedef struct loc_gps_cfg_s
 {
     uint32_t       INTERMEDIATE_POS;
@@ -147,17 +150,24 @@ typedef struct loc_gps_cfg_s
     uint32_t       SUPL_VER;
     uint32_t       CAPABILITIES;
     uint32_t       LPP_PROFILE;
-    uint8_t        NMEA_PROVIDER;
     uint32_t       XTRA_VERSION_CHECK;
     char        XTRA_SERVER_1[MAX_XTRA_SERVER_URL_LENGTH];
     char        XTRA_SERVER_2[MAX_XTRA_SERVER_URL_LENGTH];
     char        XTRA_SERVER_3[MAX_XTRA_SERVER_URL_LENGTH];
     uint32_t       USE_EMERGENCY_PDN_FOR_EMERGENCY_SUPL;
+    uint32_t       NMEA_PROVIDER;
     uint8_t        GPS_LOCK;
     uint32_t       A_GLONASS_POS_PROTOCOL_SELECT;
     uint32_t       AGPS_CERT_WRITABLE_MASK;
 } loc_gps_cfg_s_type;
 
+/* NOTE: the implementaiton of the parser casts number
+   fields to 32 bit. To ensure all 'n' fields working,
+   they must all be 32 bit fields. */
+/* Meanwhile, *_valid fields are 8 bit fields, and 'f'
+   fields are double. Rigid as they are, it is the
+   the status quo, until the parsing mechanism is
+   change, that is. */
 typedef struct
 {
     uint8_t        GYRO_BIAS_RANDOM_WALK_VALID;
diff --git a/utils/loc_cfg.cpp b/utils/loc_cfg.cpp
index b4b3ded4..404f3ed2 100644
--- a/utils/loc_cfg.cpp
+++ b/utils/loc_cfg.cpp
@@ -175,8 +175,7 @@ DEPENDENCIES
    N/A
 
 RETURN VALUE
-   0: No config or incomplete config or invalid parameter
-   1: Filled a record
+   0: Number of records in the config_table filled with input_buf
 
 SIDE EFFECTS
    N/A
@@ -220,7 +219,7 @@ int loc_fill_conf_item(char* input_buf,
                 for(uint32_t i = 0; NULL != config_table && i < table_length; i++)
                 {
                     if(!loc_set_config_entry(&config_table[i], &config_value)) {
-                        ret = 1;
+                        ret += 1;
                     }
                 }
             }