/**

  * $Id: util.c,v 1.3 2005-12-26 03:54:52 nkeynes Exp $

  *

  * Miscellaneous utility functions.

  *

  * Copyright (c) 2005 Nathan Keynes.

  *

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation; either version 2 of the License, or

  * (at your option) any later version.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  */

 #include "dream.h"

 void fwrite_string( char *s, FILE *f )

 {

     uint32_t len = 0;

     if( s == NULL ) {

 	fwrite( &len, sizeof(len), 1, f );

     } else {

 	len = strlen(s)+1;

 	fwrite( &len, sizeof(len), 1, f );

 	fwrite( s, len, 1, f );

     }

 }

 int fread_string( char *s, int maxlen, FILE *f ) 

 {

     uint32_t len;

     fread( &len, sizeof(len), 1, f );

     if( len != 0 ) {

 	fread( s, len > maxlen ? maxlen : len, 1, f );

     }

     return len;

 }