external/bsd/ntp/dist/include/ntp_filegen.h

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