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ntp 4.2.6p5

    1: /*
    2:  * ntp_filegen.h,v 3.9 1996/12/01 16:02:45 kardel Exp
    3:  *
    4:  * definitions for NTP file generations support
    5:  *
    6:  *
    7:  * Copyright (C) 1992, 1996 by Rainer Pruy
    8:  * Friedrich-Alexander Universität Erlangen-Nürnberg, Germany
    9:  *
   10:  * This code may be modified and used freely
   11:  * provided the credits remain intact.
   12:  */
   13: 
   14: #include "ntp_types.h"
   15: 
   16: /*
   17:  * supported file generation types
   18:  */
   19: 
   20: #define FILEGEN_NONE	255	/* no generations - use plain file name */
   21: #define FILEGEN_PID	1	/* one filegen per process incarnation */
   22: #define FILEGEN_DAY	2	/* one filegen per day */
   23: #define FILEGEN_WEEK	3	/* one filegen per week */
   24: #define FILEGEN_MONTH	4	/* one filegen per month */
   25: #define FILEGEN_YEAR	5	/* one filegen per year */
   26: #define FILEGEN_AGE     6	/* change filegen each FG_AGE_SECS */
   27: 
   28: /*
   29:  * supported file generation flags
   30:  */
   31: 
   32: #define FGEN_FLAG_LINK		0x01 /* make a link to base name */
   33: 
   34: #define FGEN_FLAG_ENABLED	0x80 /* set this to really create files   */
   35: 				     /* without this, open is suppressed */
   36: 
   37: typedef struct FILEGEN
   38: {
   39: 	FILE *	     fp;	/* file referring to current generation */
   40: 	const char * prefix;	/* filename prefix and basename to be used*/
   41: 	char *	     basename;	/* for constructing filename of generation file */
   42: 				/* WARNING: must be malloced !!! will be fed to free()*/
   43: 	u_long	     id;	/* id of current generation */
   44: 	u_char	     type;	/* type of file generation */
   45: 	u_char	     flag;	/* flags modifying processing of file generation */
   46: }	FILEGEN;
   47: 
   48: extern	void	filegen_setup	(FILEGEN *, u_long);
   49: extern	void	filegen_config	(FILEGEN *, const char *, u_int, u_int);
   50: extern	FILEGEN *filegen_get	(const char *);
   51: extern	void	filegen_register (const char *, const char *, FILEGEN *);
   52: #ifdef DEBUG
   53: extern	void	filegen_unregister(char *);
   54: #endif