Every file in this commit has a change to check the return value of a call.

3 files changed, 13 insertions, 6 deletions

diff --git a/noncore/apps/advancedfm/output.cpp b/noncore/apps/advancedfm/output.cpp
index 8c585f4..8f654d5 100644
--- a/noncore/apps/advancedfm/output.cpp
+++ b/noncore/apps/advancedfm/output.cpp
@@ -192,8 +192,9 @@ void Output::saveOutput() {
       odebug << filename << oendl; 
 
       QFile f(filename);
-      f.open( IO_WriteOnly);
-      if( f.writeBlock( OutputEdit->text(), qstrlen( OutputEdit->text()) ) != -1) {
+      if ( !f.open( IO_WriteOnly ) )
+          owarn << "Could no open file" << oendl;
+      else if( f.writeBlock( OutputEdit->text(), qstrlen( OutputEdit->text()) ) != -1) {
           DocLnk lnk;
           lnk.setName(name); //sets file name
           lnk.setFile(filename); //sets File property
diff --git a/noncore/apps/tinykate/libkate/document/katebuffer.cpp b/noncore/apps/tinykate/libkate/document/katebuffer.cpp
index 4c15fd0..d89edbd 100644
--- a/noncore/apps/tinykate/libkate/document/katebuffer.cpp
+++ b/noncore/apps/tinykate/libkate/document/katebuffer.cpp
@@ -72,7 +72,10 @@ KWBuffer::insertFile(int line, const QString &file, QTextCodec *codec)
     }
     clear();
     QFile iofile(file);
-    iofile.open(IO_ReadOnly);
+    if (!iofile.open(IO_ReadOnly)) {
+        owarn << "failed to open file " << iofile.name() << oendl;
+        return;
+    }
     QTextStream stream(&iofile);
     stream.setCodec(codec);
     QString qsl;
diff --git a/noncore/settings/usermanager/userdialog.cpp b/noncore/settings/usermanager/userdialog.cpp
index 3654639..75a96a6 100644
--- a/noncore/settings/usermanager/userdialog.cpp
+++ b/noncore/settings/usermanager/userdialog.cpp
@@ -242,9 +242,12 @@ bool UserDialog::addUser(int uid, int gid)
     if(!(adduserDialog->exec())) return false;
     if((adduserDialog->groupComboBox->currentItem()!=0))
     {
-        accounts->findGroup(adduserDialog->groupComboBox->currentText());
-        adduserDialog->groupID=accounts->gr_gid;
-        owarn << QString::number(accounts->gr_gid) << oendl; 
+        // making the call findGroup() puts the group info in the accounts gr_gid
+        if (accounts->findGroup(adduserDialog->groupComboBox->currentText()))
+        {
+            adduserDialog->groupID=accounts->gr_gid;
+            owarn << QString::number(accounts->gr_gid) << oendl;
+        }
     }
     if(!(accounts->addUser(adduserDialog->loginLineEdit->text(), adduserDialog->passwordLineEdit->text(),
                            adduserDialog->uidLineEdit->text().toInt(), adduserDialog->groupID, adduserDialog->gecosLineEdit->text(),