Add debug messages on tariff config initialisation

MOBILISIS-Calculator.pro

@@ -3,3 +3,7 @@ CONFIG += ordered
 SUBDIRS = library main
 
 main.depends = library
+
+contains( CONFIG, PTU5_YOCTO ) {
+    SUBDIRS = library
+}

library/src/calculate_price.cpp

@@ -16,7 +16,10 @@ int CALCULATE_LIBRARY_API get_zone_nr() {
         QFileInfo finfo(zone);
         if (finfo.size() <= 4) { // decimal 000\n
             if (zone.open(QIODevice::ReadOnly | QIODevice::Text)) {
-                return zone.readLine().toInt();
+
+                QTextStream in(&zone);
+                return in.readLine(100).toInt();
+
             }
         }
     }
@@ -27,7 +30,12 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
     *tariff = new Configuration();
 
     int const zone = get_zone_nr();
-    if (zone == -1) {
+
+    // DEBUG
+    qCritical() << "init_tariff:";
+    qCritical() << "      ... zone = " << zone;
+
+    if (zone <= 0) {
         return false;
     }
 
@@ -36,19 +44,32 @@ bool CALCULATE_LIBRARY_API init_tariff(parking_tariff_t **tariff, char const *co
         confFile += "/";
     }
 
-    char buffer[16];
+    char buffer[32];
     memset(buffer, 0x00, sizeof(buffer));
     snprintf(buffer, sizeof(buffer)-1, "tariff%02d.json", zone);
     confFile += buffer;
 
+    // DEBUG
+    qCritical() << "      ... confFile = " << confFile;
+
     QFile fname(confFile);
     if (fname.exists()) {
+
+        // DEBUG
+        qCritical() << "      ... confFile exists";
+
         if (fname.open(QIODevice::ReadOnly | QIODevice::Text)) {
+
+            // DEBUG
+            qCritical() << "      ... confFile is open";
+
             QString json = fname.readAll();
             return (*tariff)->ParseJson(*tariff, json.toStdString().c_str());
         }
     }
 
+    qCritical() << "init_tariff: Parsing tariff config (" << confFile << ") failed!";
+
     return false;
 }