Sample to load and save a file

["Benno Mielke" <g00Ze web de>]

In the last days i've tried to to create a menu with GTK+1.2 and C. But then there grows a problem i haven't 
been able to solve... when i load a file:

/*--- start code ---*/
FILE* Stream;
gchar File[1024];

FileName = gtk_file_selection_get_filename( GTK_FILE_SELECTION( fs ) );

Stream = fopen( FileName, "r" );

if( Stream == NULL )
{
   perror( "GsEditor" );
   gtk_main_quit();
   exit( -1 );
}

gtk_widget_destroy( GTK_WIDGET( FileDialog ) );

while( 1 )
{
   nChar = fread( File, 1, 1024, Stream );
   gtk_text_insert( GTK_TEXT( TextField ), NULL, NULL, NULL, File, nChar );

   if( nChar < 1024 )
      break;
}
/*--- end code ---*/

... and the file is bigger than 1024 bytes there is a BO (BufferOverflow). How to solve this ?

Is there anybody who knows a sample or anybody who can say how to code this function better ?

THX ahead ... so long

Benno M.
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