quiet the newer g++ compilers, which complain about certain stdio function's return values not being used

common/edaappl.cpp

@@ -407,6 +407,7 @@ bool WinEDA_App::SetBinDir()
     char     FileName[1024];
     wxString str_arg0;
     int      ii;
+    char*    res;
 
     FileName[0] = 0;
     str_arg0    = argv[0];
@@ -417,7 +418,7 @@ bool WinEDA_App::SetBinDir()
 
         if( ( ftmp = fopen( TMP_FILE, "rt" ) ) != NULL )
         {
-            (void) fgets( Line, 1000, ftmp );
+            res = fgets( Line, 1000, ftmp );
             fclose( ftmp );
             remove( TMP_FILE );
         }

cvpcb/listlib.cpp

@@ -51,6 +51,7 @@ bool LoadFootprintFiles( const wxArrayString& libNames,
     FOOTPRINT*  ItemLib;
     unsigned    i;
     wxString    tmp, msg;
+    char*       result;
 
     /* Check if footprint list is not empty */
     if( !list.empty() )
@@ -90,7 +91,7 @@ bool LoadFootprintFiles( const wxArrayString& libNames,
         }
 
         /* Check if library type is valid */
-        (void) fgets( buffer, 32, file );
+        result = fgets( buffer, 32, file );
         if( strncmp( buffer, ENTETE_LIBRAIRIE, L_ENTETE_LIB ) != 0 )
         {
             s_files_invalid << tmp << _(" (Not a Kicad file)") << wxT("\n");

cvpcb/readschematicnetlist.cpp

@@ -96,6 +96,7 @@ int WinEDA_CvpcbFrame::ReadSchematicNetlist()
     char*      ptchar;
     COMPONENT* Cmp;
     FILE*      source;
+    char*      result;
 
     m_modified = false;
     m_isEESchemaNetlist = false;
@@ -118,7 +119,7 @@ int WinEDA_CvpcbFrame::ReadSchematicNetlist()
     /* Read the file header (must be  "( { OrCAD PCB" or "({ OrCAD PCB" )
      * or "# EESchema Netliste"
      */
-    (void) fgets( Line, BUFFER_CHAR_SIZE, source );
+    result = fgets( Line, BUFFER_CHAR_SIZE, source );
     /* test for netlist type PCB2 */
     i = strnicmp( Line, "( {", 3 );
     if( i != 0 )

kicad/minizip/minizip.c

@@ -240,6 +240,7 @@ int main( int argc, char* argv[] )
     {
         int len;
         int dot_found = 0;
+        int ret;
 
         zipok = 1;
         strncpy( filename_try, argv[zipfilenamearg], MAXFILENAME );
@@ -270,7 +271,7 @@ int main( int argc, char* argv[] )
                         char answer[128];
                         printf( "The file %s exist. Overwrite ? [y]es, [n]o, [a]ppend : ",
                                 filename_try );
-                        (void) scanf( "%1s", answer );
+                        ret = scanf( "%1s", answer );
                         rep = answer[0];
                         if( (rep>='a') && (rep<='z') )
                             rep -= 0x20;

pcbnew/xchgmod.cpp

@@ -157,6 +157,7 @@ int DIALOG_EXCHANGE_MODULE::Maj_ListeCmp( const wxString& reference,
     FILE*      FichCmp, * NewFile;
     char       Line[1024];
     wxString   msg;
+    char*      result;                      // quiet compiler
 
     if( old_name == new_name )
         return 0;                           /* pas de changement de nom */
@@ -192,7 +193,7 @@ int DIALOG_EXCHANGE_MODULE::Maj_ListeCmp( const wxString& reference,
         return 1;
     }
 
-    (void) fgets( Line, sizeof(Line), FichCmp );
+    result = fgets( Line, sizeof(Line), FichCmp );
     fprintf( NewFile, "Cmp-Mod V01 Genere par PcbNew le %s\n",
             DateAndTime( Line ) );
 
@@ -571,6 +572,7 @@ void WinEDA_PcbFrame::RecreateCmpFileFromBoard( wxCommandEvent& aEvent )
     MODULE*    Module = GetBoard()->m_Modules;
     wxString   msg;
     wxString   wildcard;
+    char*      result;              // quiet compiler
 
     if( Module == NULL )
     {
@@ -601,7 +603,7 @@ void WinEDA_PcbFrame::RecreateCmpFileFromBoard( wxCommandEvent& aEvent )
         return;
     }
 
-    (void) fgets( Line, sizeof(Line), FichCmp );
+    result = fgets( Line, sizeof(Line), FichCmp );
     fprintf( FichCmp, "Cmp-Mod V01 Genere par PcbNew le %s\n",
             DateAndTime( Line ) );