Fix coverity reported strcat/strcpy potential overflows

common/fpid.cpp

@@ -97,7 +97,7 @@ static int okRevision( const std::string& aField )
     if( aField.size() >= 4 )
     {
         strcpy( rev, "x/" );
-        strcat( rev, aField.c_str() );
+        strncat( rev, aField.c_str(), sizeof(rev)-strlen(rev)-1 );
 
         if( EndsWithRev( rev, rev + strlen(rev), '/' ) == rev+2 )
             return -1;    // success

gerbview/rs274x.cpp

@@ -597,7 +597,10 @@ bool GERBER_IMAGE::ExecuteRS274XCommand( int       command,
             ReportMessage( _( "Too many include files!!" ) );
             break;
         }
-        strcpy( line, text );
+
+        strncpy( line, text, sizeof(line)-1 );
+        line[sizeof(line)-1] = '\0';
+
         strtok( line, "*%%\n\r" );
         m_FilesList[m_FilesPtr] = m_Current_File;
 

pcbnew/legacy_netlist_reader.cpp

@@ -108,7 +108,8 @@ COMPONENT* LEGACY_NETLIST_READER::loadComponent( char* aText )
     wxString name;              // the name of component that was placed in the schematic
     char     line[1024];
 
-    strcpy( line, aText );
+    strncpy( line, aText, sizeof(line)-1 );
+    line[sizeof(line)-1] = '\0';
 
     value = wxT( "~" );