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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* |
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* Copyright (C) 1996-2002 by Andrew Church <achurch@achurch.org> |
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* Copyright (C) 2012 by the Hybrid Development Team. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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|
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/*! \file conf_db.h |
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* \brief Includes file utilities for database handling |
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* \version $Id: conf_db.h 1569 2012-10-16 18:46:53Z michael $ |
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*/ |
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|
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#ifndef DATAFILES_H |
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#define DATAFILES_H |
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|
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struct dbFILE |
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{ |
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int mode; /**< 'r' for reading, 'w' for writing */ |
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FILE *fp; /**< The normal file descriptor */ |
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FILE *backupfp; /**< Open file pointer to a backup copy of |
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* the database file (if non-NULL) */ |
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char filename[PATH_MAX + 1]; /**< Name of the database file */ |
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char backupname[PATH_MAX + 1]; /**< Name of the backup file */ |
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}; |
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|
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extern void check_file_version(struct dbFILE *); |
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extern int get_file_version(struct dbFILE *); |
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extern int write_file_version(struct dbFILE *, uint32_t); |
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|
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extern struct dbFILE *open_db(const char *, const char *, const char *, uint32_t); |
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extern void restore_db(struct dbFILE *); /* Restore to state before open_db() */ |
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extern void close_db(struct dbFILE *); |
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extern void backup_databases(void); |
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|
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#define read_db(f,buf,len) (fread((buf),1,(len),(f)->fp)) |
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#define write_db(f,buf,len) (fwrite((buf),1,(len),(f)->fp)) |
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#define getc_db(f) (fgetc((f)->fp)) |
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|
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extern int read_uint8(unsigned char *, struct dbFILE *); |
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extern int write_uint8(unsigned char, struct dbFILE *); |
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extern int read_uint16(uint16_t *, struct dbFILE *); |
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extern int write_uint16(uint16_t, struct dbFILE *); |
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extern int read_uint32(uint32_t *, struct dbFILE *); |
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extern int write_uint32(uint32_t, struct dbFILE *); |
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extern int read_uint64(uint64_t *, struct dbFILE *); |
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extern int write_uint64(uint64_t, struct dbFILE *); |
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extern int read_ptr(void **, struct dbFILE *); |
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extern int write_ptr(const void *, struct dbFILE *); |
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extern int read_string(char **, struct dbFILE *); |
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extern int write_string(const char *, struct dbFILE *); |
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|
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|
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#define read_buffer(buf,f) (read_db((f),(buf),sizeof(buf)) == sizeof(buf)) |
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#define write_buffer(buf,f) (write_db((f),(buf),sizeof(buf)) == sizeof(buf)) |
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#define read_buflen(buf,len,f) (read_db((f),(buf),(len)) == (len)) |
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#define write_buflen(buf,len,f) (write_db((f),(buf),(len)) == (len)) |
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#define read_variable(var,f) (read_db((f),&(var),sizeof(var)) == sizeof(var)) |
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#define write_variable(var,f) (write_db((f),&(var),sizeof(var)) == sizeof(var)) |
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#endif |
