1 /* vim: set noexpandtab tabstop=4 shiftwidth=4:
2 *----------------------------------------------------------------------------
4 *----------------------------------------------------------------------------
5 * This file is part of emufs.
7 * emufs is free software; you can redistribute it and/or modify it under the
8 * terms of the GNU General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option) any later
12 * emufs is distributed in the hope that it will be useful, but WITHOUT ANY
13 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 * You should have received a copy of the GNU General Public License along
18 * with emufs; if not, write to the Free Software Foundation, Inc., 59 Temple
19 * Place, Suite 330, Boston, MA 02111-1307 USA
20 *----------------------------------------------------------------------------
21 * Creado: jue abr 8 18:11:46 ART 2004
22 * Autores: Nicolás Dimov <sagardua@uolsinectis.com.ar>
23 * Leandro Lucarella <llucare@fi.uba.ar>
24 *----------------------------------------------------------------------------
32 * Manejo de archivos de índice de registros.
34 * Interfaz del manejo de archivos de índice de registros.
45 #define EMUFS_IDX_EXT ".idx"
47 typedef struct emufs_idx_t {
49 EMUFS_BLOCK_ID location;
52 FILE* emufs_idx_abrir(EMUFS*, const char*);
54 int emufs_idx_crear(EMUFS*);
56 EMUFS_REG_ID emufs_idx_buscar_mayor_id_libre(EMUFS*, int*);
58 EMUFS_BLOCK_ID emufs_idx_buscar_registro(EMUFS*, EMUFS_REG_ID);
60 int emufs_idx_agregar(EMUFS*, EMUFS_BLOCK_ID, EMUFS_REG_ID);
62 int emufs_idx_borrar(EMUFS*, EMUFS_REG_ID);
64 /** Retorna un array con los Ids validos del archivo IDX
66 * EL ARRAY DEBE SER LIBERADO!
68 * \param cant Puntero donde guardar la cantidad de items
70 EMUFS_REG_ID *emufs_idx_get(EMUFS *emu, EMUFS_REG_ID *cant);
72 EMUFS_REG_ID emufs_idx_get_new_id(EMUFS*, int*);
74 int emufs_idx_existe_id(EMUFS *emu, int ID);
76 int emufs_idx_actualizar(EMUFS *emu, int ID, int bloque);
78 #endif /* _EMUFS_IDX_H */