diff --git a/cfg/std.cfg b/cfg/std.cfg
index c024b796b49..442234cd117 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -6323,6 +6323,18 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
       <not-uninit/>
     </arg>
   </function>
+  <!-- char std::ios::fill() const; -->
+  <!-- char std::ios::fill(char_type c); -->
+  <!-- char std::ostringstream::fill() const; -->
+  <!-- char std::ostringstream::fill(char_type c); -->
+  <function name="std::ios::fill,std::ostringstream::fill">
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <use-retval/>
+    <arg nr="1" direction="in" default="">
+      <not-uninit/>
+    </arg>
+  </function>
   <!-- std::ios_base::fmtflags std::ios_base::setf( std::ios_base::fmtflags flags ); -->
   <!-- std::ios_base::fmtflags std::ios_base::setf( std::ios_base::fmtflags flags, std::ios_base::fmtflags mask ); -->
   <!-- std::ios_base::fmtflags std::ostringstream::setf( std::ios_base::fmtflags flags ); -->
@@ -6502,7 +6514,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <noreturn>false</noreturn>
   </function>
   <!-- bool good() const; -->
-  <function name="std::ios::good,std::ios_base::good,std::ostream::good,std::ofstream::good,std::ostringstream::good,std::ifstream::good,std::istream::good,std::istringstream::good,std::wistringstream::good,std::basic_istringstream::good">
+  <function name="std::ios::good,std::wifstream::good,std::ios_base::good,std::ostream::good,std::ofstream::good,std::ostringstream::good,std::ifstream::good,std::istream::good,std::istringstream::good,std::wistringstream::good,std::basic_istringstream::good">
     <use-retval/>
     <const/>
     <returnValue type="bool"/>
@@ -6523,7 +6535,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <noreturn>false</noreturn>
   </function>
   <!-- bool bad() const; -->
-  <function name="std::ios::bad,std::ios_base::bad,std::ostream::bad,std::ofstream::bad,std::ostringstream::bad,std::ifstream::bad,std::istringstream::bad,std::wistringstream::bad,std::basic_istringstream::bad,std::istream::bad">
+  <function name="std::ios::bad,std::wifstream::bad,std::ios_base::bad,std::ostream::bad,std::ofstream::bad,std::ostringstream::bad,std::ifstream::bad,std::istringstream::bad,std::wistringstream::bad,std::basic_istringstream::bad,std::istream::bad">
     <use-retval/>
     <const/>
     <returnValue type="bool"/>
@@ -6714,13 +6726,20 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
   <!--                     size_type std::multimap::count( const Key& key ) const; -->
   <function name="std::map::count,std::set::count,std::unordered_set::count,std::unordered_map::count,std::multimap::count">
     <noreturn>false</noreturn>
-    <returnValue type="size_t"/>
+    <returnValue type="std::size_t"/>
     <use-retval/>
     <const/>
     <arg nr="1" direction="in">
       <not-uninit/>
     </arg>
   </function>
+  <function name="std::string::size,std::string::length,std::string_view::size,std::string_view::length,std::wstring_view::size,std::wstring_view::length,std::wstring::size,std::wstring::length">
+    <noreturn>false</noreturn>
+    <returnValue type="std::size_t"/>
+    <use-retval/>
+    <const/>
+    <leak-ignore/>
+  </function>
   <function name="std::vector::at,std::deque::at,std::array::at,std::string_view::at,std::wstring_view::at">
     <use-retval/>
     <noreturn>false</noreturn>
@@ -6895,7 +6914,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
   <!-- template < class T > int compare( const T& t ) const; // since C++17 -->
   <!-- template < class T > int compare( size_type pos1, size_type count1, const T& t ) const; // since C++17 -->
   <!-- template < class T > int compare( size_type pos1, size_type count1, const T& t, size_type pos2, size_type count2 = npos) const; // since C++17 -->
-  <function name="std::string::compare,std::wstring::compare">
+  <function name="std::string::compare,std::string_view::compare,std::wstring_view::compare,std::wstring::compare">
     <noreturn>false</noreturn>
     <returnValue type="int"/>
     <use-retval/>