dump.h

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/**********************************************************************
 *
 * Verball Model Storage Library, Common Information Model Library 
 * for integration of Intelligent Services.
 * Copyright (C) 2005 Nikita Vinokurov, Orgway LLC.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; 
 * version 2.1 of the License.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 * Boston, MA  02110-1301  USA
 *
 * $Id: dump.h,v 1.5 2006/09/18 21:38:29 sbreg Exp $
 **********************************************************************/

#ifndef _DUMP_H_
#define _DUMP_H_

#include <stdio.h>

#define DUMP_MAGIC  "Verball dump  v."

#define DUMP_MAGIC_LEN  16

#define DUMP_VERSION    0x42302e31

#define DUMP_SECTIONS   20

#define DUMP_COMMENT_LEN    80

#define DUMP_NODE_PREV      -4

typedef struct _dump_header DumpHeader;

typedef struct _dump_desc DumpDesc;

typedef enum {
    DUMP_STMTS = 48,
    DUMP_NHVS = 49,
    DUMP_INDEX = 50,
    DUMP_LOG = 57
} DumpSection;

typedef enum {
    DUMP_WRITE, /* ready for write */
    DUMP_READ, /* reading dump */
    DUMP_SECTION, /* writing of section in progress */
    DUMP_ERROR  /* reading was stopped on error */
} DumpStatus;

DumpDesc *dump_write(char *path);

DumpDesc *dump_read(char *path);

int dump_begin_section(DumpDesc *d, DumpSection type);

FILE *dump_stream(DumpDesc *d);

int dump_end_section(DumpDesc *d);

FILE *dump_goto(DumpDesc *d, DumpSection sec);

FILE *dump_log_end(DumpDesc *d);

int dump_close(DumpDesc *d);

#endif /* _DUMP_H_ */

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