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svn svn@31f1291d-b8d6-0310-a050-a5561fc1590b
55bf4dbcab
git-svn-id: svn://svn.anope.org/anope/trunk@1 31f1291d-b8d6-0310-a050-a5561fc1590b git-svn-id: http://anope.svn.sourceforge.net/svnroot/anope/trunk@1 5417fbe8-f217-4b02-8779-1006273d7864
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/* Database file descriptor structure and file handling routine prototypes.
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*
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* (C) 2003 Anope Team
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* Contact us at info@anope.org
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*
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* Please read COPYING and README for furhter details.
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*
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* Based on the original code of Epona by Lara.
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* Based on the original code of Services by Andy Church.
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*
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* $Id: datafiles.h,v 1.4 2003/07/20 01:15:49 dane Exp $
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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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typedef struct dbFILE_ dbFILE;
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struct dbFILE_ {
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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]; /* Name of the database file */
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char backupname[PATH_MAX]; /* Name of the backup file */
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};
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/*************************************************************************/
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/* Prototypes and macros: */
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E void check_file_version(dbFILE *f);
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E int get_file_version(dbFILE *f);
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E int write_file_version(dbFILE *f, uint32 version);
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E dbFILE *open_db(const char *service, const char *filename, const char *mode, uint32 version);
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E void restore_db(dbFILE *f); /* Restore to state before open_db() */
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E void close_db(dbFILE *f);
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E void backup_databases(void);
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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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E int read_int16(uint16 *ret, dbFILE *f);
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E int write_int16(uint16 val, dbFILE *f);
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E int read_int32(uint32 *ret, dbFILE *f);
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E int write_int32(uint32 val, dbFILE *f);
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E int read_ptr(void **ret, dbFILE *f);
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E int write_ptr(const void *ptr, dbFILE *f);
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E int read_string(char **ret, dbFILE *f);
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E int write_string(const char *s, dbFILE *f);
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#define read_int8(ret,f) ((*(ret)=fgetc((f)->fp))==EOF ? -1 : 0)
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#define write_int8(val,f) (fputc((val),(f)->fp)==EOF ? -1 : 0)
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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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/*************************************************************************/
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#endif /* DATAFILES_H */
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