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segment.h

/*
 *  Fenix - Videogame compiler/interpreter
 *  Current release       : FENIX - PROJECT 1.0 - R 0.84
 *  Last stable release   :
 *  Project documentation : http://fenix.divsite.net
 *
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *  Copyright © 1999 José Luis Cebrián Pagüe
 *  Copyright © 2002 Fenix Team
 *
 */

#ifndef __SEGMENT_H
#define __SEGMENT_H

#ifdef TARGET_MAC
#include <SDL/SDL_types.h>
#else
#include <SDL_types.h>
#endif

#ifndef __TYPEDEF_H
#include "typedef.h"
#endif

/* Un segmento es una zona lineal de datos que puede crecer dinámicamente */

typedef struct _segment
{
      void    * bytes ;
      int   current ;
      int   reserved ;
      int   id ;
}
segment ;

extern segment * segment_new() ;
extern segment * segment_duplicate(segment * s) ;
extern segment * segment_get(int id) ;

/* Devuelven el offset del nuevo dato */
extern int       segment_add_as    (segment * s, Sint32 value, BASETYPE t) ;
extern int       segment_add_dword (segment * s, Sint32 value) ;
extern int       segment_add_word  (segment * s, Sint16 value) ;
extern int       segment_add_byte  (segment * s, Sint8  value) ;
extern int       segment_add_from  (segment * s, segment * from) ;

extern void      segment_dump(segment *) ;
extern void      segment_destroy(segment *) ;
extern void      segment_copy(segment *, int base_offset, int total_length) ;
extern void      segment_alloc (segment * n, int count) ;

extern segment  * globaldata ;
extern segment  * localdata ;

/* Segmentos nombrados (para tipos definidos por el usuario */

extern segment * segment_by_name (int code) ;
extern void      segment_name    (segment * s, int code) ;

#endif

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