fix: fix error on Archlinux build

src/common/ConfigReader.cpp

@@ -281,7 +281,8 @@
 
         // loading and checking phase
         QFile file(m_path);
-        file.open(QIODevice::ReadOnly); // first just for reading
+        bool ok = file.open(QIODevice::ReadOnly); // first just for reading
+        Q_ASSERT(ok);
         while (!file.atEnd()) {
             const QString line = QString::fromUtf8(file.readLine());
             // get rid of comments first
@@ -350,7 +351,8 @@
 
         // rewrite the whole thing only if there are changes
         if (changed) {
-            file.open(QIODevice::WriteOnly | QIODevice::Truncate);
+            bool ok = file.open(QIODevice::WriteOnly | QIODevice::Truncate);
+            Q_ASSERT(ok);
             for (const ConfigSection *s : sectionOrder)
                 file.write(sectionData.value(s));
 

src/common/MessageHandler.h

@@ -74,17 +74,21 @@ namespace DDM {
 
         // Try to open the log file if we're not outputting to a terminal
         if (!file.isOpen() && !isatty(STDERR_FILENO)) {
-            if (!file.open(QFile::Append | QFile::WriteOnly))
-                file.open(QFile::Truncate | QFile::WriteOnly);
+            if (!file.open(QFile::Append | QFile::WriteOnly)) {
+                bool ok = file.open(QFile::Truncate | QFile::WriteOnly);
+                Q_ASSERT(ok);
+            }
 
             // If we can't open the file, create it in a writable location
             // It will look spmething like ~/.local/share/$appname/ddm.log
             // or for the ddm user /var/lib/ddm/.local/share/$appname/ddm.log
             if (!file.isOpen()) {
                 QDir().mkpath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
                 file.setFileName(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + QLatin1String("/ddm.log"));
-                if (!file.open(QFile::Append | QFile::WriteOnly))
-                    file.open(QFile::Truncate | QFile::WriteOnly);
+                if (!file.open(QFile::Append | QFile::WriteOnly)) {
+                    bool ok = file.open(QFile::Truncate | QFile::WriteOnly);
+                    Q_ASSERT(ok);
+                }
             }
         }
 

src/daemon/TreelandConnector.cpp

@@ -128,7 +128,8 @@ bool TreelandConnector::isConnected() {
 }
 
 void TreelandConnector::setPrivateObject(struct treeland_ddm *ddm) {
-    if (m_ddm) delete m_ddm;
+    if (m_ddm)
+        treeland_ddm_destroy(m_ddm);
     m_ddm = ddm;
 }