diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index 263102ba3..6a17b4325 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -335,6 +335,22 @@
       <not-uninit/>
     </arg>
   </function>
+  <!-- QString QString::number(long n, int base = 10) -->
+  <!-- QString QString::number(uint n, int base = 10) -->
+  <!-- QString QString::number(int n, int base = 10) -->
+  <!-- QString QString::number(ulong n, int base = 10) -->
+  <!-- QString QString::number(qlonglong n, int base = 10) -->
+  <!-- QString QString::number(qulonglong n, int base = 10) -->
+  <!-- QString QString::number(double n, char format = 'g', int precision = 6) -->
+  <function name="QString::number">
+    <noreturn>false</noreturn>
+    <returnValue type="QString"/>
+    <use-retval/>
+    <leak-ignore/>
+    <arg nr="any">
+      <not-uninit/>
+    </arg>
+  </function>
   <function name="QString::right">
     <noreturn>false</noreturn>
     <use-retval/>
@@ -392,6 +408,44 @@
     <noreturn>false</noreturn>
     <use-retval/>
   </function>
+  <!-- bool QFile::open(OpenMode mode) -->
+  <!-- bool QFile::open(FILE *fh, OpenMode mode, FileHandleFlags handleFlags = DontCloseHandle) -->
+  <!-- bool QFile::open(int fd, OpenMode mode, FileHandleFlags handleFlags = DontCloseHandle) -->
+  <function name="QFile::open">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <leak-ignore/>
+    <arg nr="any">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- bool QFile::remove() -->
+  <!-- bool QFile::remove(const QString &fileName) -->
+  <function name="QFile::remove">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <leak-ignore/>
+    <arg nr="any">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- bool QFile::rename(const QString &newName) -->
+  <!-- bool QFile::rename(const QString &oldName, const QString &newName) -->
+  <function name="QFile::rename">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <leak-ignore/>
+    <arg nr="any">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- qint64 QFile::size() const -->
+  <!-- qint64 QIODevice::size() const -->
+  <function name="QFile::size,QIODevice::size">
+    <noreturn>false</noreturn>
+    <returnValue type="qint64"/>
+    <use-retval/>
+  </function>
   <container id="qtContainer" opLessAllowed="false">
     <type templateParameter="0"/>
     <size>