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Diffstat (limited to 'include/conf_db.h')
| -rw-r--r-- | include/conf_db.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/conf_db.h b/include/conf_db.h new file mode 100644 index 0000000..f6b7641 --- /dev/null +++ b/include/conf_db.h @@ -0,0 +1,74 @@ +/* + * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). + * + * Copyright (C) 1996-2002 by Andrew Church <achurch@achurch.org> + * Copyright (C) 2012 by the Hybrid Development Team. + * + * 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 + */ + +/*! \file conf_db.h + * \brief Includes file utilities for database handling + * \version $Id: conf_db.h 1569 2012-10-16 18:46:53Z michael $ + */ + +#ifndef DATAFILES_H +#define DATAFILES_H + +struct dbFILE +{ + int mode; /**< 'r' for reading, 'w' for writing */ + FILE *fp; /**< The normal file descriptor */ + FILE *backupfp; /**< Open file pointer to a backup copy of + * the database file (if non-NULL) */ + char filename[PATH_MAX + 1]; /**< Name of the database file */ + char backupname[PATH_MAX + 1]; /**< Name of the backup file */ +}; + +extern void check_file_version(struct dbFILE *); +extern int get_file_version(struct dbFILE *); +extern int write_file_version(struct dbFILE *, uint32_t); + +extern struct dbFILE *open_db(const char *, const char *, const char *, uint32_t); +extern void restore_db(struct dbFILE *); /* Restore to state before open_db() */ +extern void close_db(struct dbFILE *); +extern void backup_databases(void); + +#define read_db(f,buf,len) (fread((buf),1,(len),(f)->fp)) +#define write_db(f,buf,len) (fwrite((buf),1,(len),(f)->fp)) +#define getc_db(f) (fgetc((f)->fp)) + +extern int read_uint8(unsigned char *, struct dbFILE *); +extern int write_uint8(unsigned char, struct dbFILE *); +extern int read_uint16(uint16_t *, struct dbFILE *); +extern int write_uint16(uint16_t, struct dbFILE *); +extern int read_uint32(uint32_t *, struct dbFILE *); +extern int write_uint32(uint32_t, struct dbFILE *); +extern int read_uint64(uint64_t *, struct dbFILE *); +extern int write_uint64(uint64_t, struct dbFILE *); +extern int read_ptr(void **, struct dbFILE *); +extern int write_ptr(const void *, struct dbFILE *); +extern int read_string(char **, struct dbFILE *); +extern int write_string(const char *, struct dbFILE *); + + +#define read_buffer(buf,f) (read_db((f),(buf),sizeof(buf)) == sizeof(buf)) +#define write_buffer(buf,f) (write_db((f),(buf),sizeof(buf)) == sizeof(buf)) +#define read_buflen(buf,len,f) (read_db((f),(buf),(len)) == (len)) +#define write_buflen(buf,len,f) (write_db((f),(buf),(len)) == (len)) +#define read_variable(var,f) (read_db((f),&(var),sizeof(var)) == sizeof(var)) +#define write_variable(var,f) (write_db((f),&(var),sizeof(var)) == sizeof(var)) +#endif |