libril: fix network operator search

The number of mQANElements should be defined in the system
prop ro.ril.telephony.mqanelements

Change-Id: Ie5bb8ba80c5ac93b7502da3b1bb3d2b4404ecd5e

ril/libril/ril_service.cpp

@@ -25,6 +25,7 @@
 #include <hidl/HidlTransportSupport.h>
 #include <utils/SystemClock.h>
 #include <inttypes.h>
+#include <cutils/properties.h>
 
 #define INVALID_HEX_CHAR 16
 
@@ -3700,6 +3701,10 @@ int radio::getOperatorResponse(int slotId,
 #if VDBG
     RLOGD("getOperatorResponse: serial %d", serial);
 #endif
+    int mqanelements;
+    char value[PROPERTY_VALUE_MAX];
+    property_get("ro.ril.telephony.mqanelements", value, "4");
+    mqanelements = atoi(value);
 
     if (radioService[slotId]->mRadioResponse != NULL) {
         RadioResponseInfo responseInfo = {};
@@ -3708,14 +3713,14 @@ int radio::getOperatorResponse(int slotId,
         hidl_string shortName;
         hidl_string numeric;
         int numStrings = responseLen / sizeof(char *);
-        if (response == NULL || numStrings != 3) {
+        if (response == NULL || numStrings != mqanelements - 2) {
             RLOGE("getOperatorResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
 
         } else {
             char **resp = (char **) response;
             longName = convertCharPtrToHidlString(resp[0]);
-            shortName = convertCharPtrToHidlString(resp[1]);
+            shortName = convertCharPtrToHidlString(resp[0]);
             numeric = convertCharPtrToHidlString(resp[2]);
         }
         Return<void> retStatus = radioService[slotId]->mRadioResponse->getOperatorResponse(
@@ -4344,22 +4349,26 @@ int radio::getAvailableNetworksResponse(int slotId,
 #if VDBG
     RLOGD("getAvailableNetworksResponse: serial %d", serial);
 #endif
+    int mqanelements;
+    char value[PROPERTY_VALUE_MAX];
+    property_get("ro.ril.telephony.mqanelements", value, "4");
+	mqanelements = atoi(value);
 
     if (radioService[slotId]->mRadioResponse != NULL) {
         RadioResponseInfo responseInfo = {};
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<OperatorInfo> networks;
         if ((response == NULL && responseLen != 0)
-                || responseLen % (4 * sizeof(char *))!= 0) {
+                || responseLen % (mqanelements * sizeof(char *))!= 0) {
             RLOGE("getAvailableNetworksResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
             char **resp = (char **) response;
             int numStrings = responseLen / sizeof(char *);
-            networks.resize(numStrings/4);
-            for (int i = 0, j = 0; i < numStrings; i = i + 4, j++) {
+            networks.resize(numStrings/mqanelements);
+            for (int i = 0, j = 0; i < numStrings; i = i + mqanelements, j++) {
                 networks[j].alphaLong = convertCharPtrToHidlString(resp[i]);
-                networks[j].alphaShort = convertCharPtrToHidlString(resp[i + 1]);
+                networks[j].alphaShort = convertCharPtrToHidlString(resp[i]);
                 networks[j].operatorNumeric = convertCharPtrToHidlString(resp[i + 2]);
                 int status = convertOperatorStatusToInt(resp[i + 3]);
                 if (status == -1) {