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- /* cron.h - header for vixie's cron
- *
- * $Header: cron.h,v 2.1 90/07/18 00:23:47 vixie Exp $
- * $Source: /jove_u3/vixie/src/cron/RCS/cron.h,v $
- * $Revision: 2.1 $
- * $Log: cron.h,v $
- * Revision 2.1 90/07/18 00:23:47 vixie
- * Baseline for 4.4BSD release
- *
- * Revision 2.0 88/12/10 04:57:39 vixie
- * V2 Beta
- *
- * Revision 1.2 88/11/29 13:05:46 vixie
- * seems to work on Ultrix 3.0 FT1
- *
- * Revision 1.1 88/11/14 12:27:49 vixie
- * Initial revision
- *
- * Revision 1.4 87/05/02 17:33:08 paul
- * baseline for mod.sources release
- *
- * vix 14jan87 [0 or 7 can be sunday; thanks, mwm@berkeley]
- * vix 30dec86 [written]
- */
-
- /* Copyright 1988,1990 by Paul Vixie
- * All rights reserved
- *
- * Distribute freely, except: don't remove my name from the source or
- * documentation (don't take credit for my work), mark your changes (don't
- * get me blamed for your possible bugs), don't alter or remove this
- * notice. May be sold if buildable source is provided to buyer. No
- * warrantee of any kind, express or implied, is included with this
- * software; use at your own risk, responsibility for damages (if any) to
- * anyone resulting from the use of this software rests entirely with the
- * user.
- *
- * Send bug reports, bug fixes, enhancements, requests, flames, etc., and
- * I'll try to keep a version up to date. I can be reached as follows:
- * Paul Vixie, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013,
- * paul@vixie.sf.ca.us || {hoptoad,pacbell,decwrl,crash}!vixie!paul
- */
-
- #ifndef _CRON_FLAG
- #define _CRON_FLAG
-
- #include <stdio.h>
- #include <ctype.h>
- #include <bitstring.h>
- #include <sys/types.h>
- #include <sys/stat.h>
-
- #include "config.h"
-
- /* these are really immutable, and are
- * defined for symbolic convenience only
- * TRUE, FALSE, and ERR must be distinct
- */
- #define TRUE 1
- #define FALSE 0
- /* system calls return this on success */
- #define OK 0
- /* or this on error */
- #define ERR (-1)
-
- /* meaningless cookie for smart compilers that will pick their
- * own register variables; this makes the code neater.
- */
- #define local /**/
-
- /* turn this on to get '-x' code */
- #ifndef DEBUGGING
- #define DEBUGGING FALSE
- #endif
-
- #define READ_PIPE 0 /* which end of a pipe pair do you read? */
- #define WRITE_PIPE 1 /* or write to? */
- #define STDIN 0 /* what is stdin's file descriptor? */
- #define STDOUT 1 /* stdout's? */
- #define STDERR 2 /* stderr's? */
- #define ERROR_EXIT 1 /* exit() with this will scare the shell */
- #define OK_EXIT 0 /* exit() with this is considered 'normal' */
- #define MAX_FNAME 100 /* max length of internally generated fn */
- #define MAX_COMMAND 1000 /* max length of internally generated cmd */
- #define MAX_ENVSTR 1000 /* max length of envvar=value\0 strings */
- #define MAX_TEMPSTR 100 /* obvious */
- #define MAX_UNAME 20 /* max length of username, should be overkill */
- #define ROOT_UID 0 /* don't change this, it really must be root */
- #define ROOT_USER "root" /* ditto */
-
- /* NOTE: these correspond to DebugFlagNames,
- * defined below.
- */
- #define DEXT 0x0001 /* extend flag for other debug masks */
- #define DSCH 0x0002 /* scheduling debug mask */
- #define DPROC 0x0004 /* process control debug mask */
- #define DPARS 0x0008 /* parsing debug mask */
- #define DLOAD 0x0010 /* database loading debug mask */
- #define DMISC 0x0020 /* misc debug mask */
- #define DTEST 0x0040 /* test mode: don't execute any commands */
-
- /* the code does not depend on any of vfork's
- * side-effects; it just uses it as a quick
- * fork-and-exec.
- */
- #if defined(BSD)
- # define VFORK vfork
- #endif
- #if defined(ATT)
- # define VFORK fork
- #endif
-
- #define CRON_TAB(u) "%s/%s", SPOOL_DIR, u
- #define REG register
- #define PPC_NULL ((char **)NULL)
-
- #ifndef MAXHOSTNAMELEN
- #define MAXHOSTNAMELEN 64
- #endif
-
- #define Skip_Blanks(c, f) \
- while (c == '\t' || c == ' ') \
- c = get_char(f);
-
- #define Skip_Nonblanks(c, f) \
- while (c!='\t' && c!=' ' && c!='\n' && c != EOF) \
- c = get_char(f);
-
- #define Skip_Line(c, f) \
- do {c = get_char(f);} while (c != '\n' && c != EOF);
-
- #if DEBUGGING
- # define Debug(mask, message) \
- if ( (DebugFlags & (mask) ) == (mask) ) \
- printf message;
- #else /* !DEBUGGING */
- # define Debug(mask, message) \
- ;
- #endif /* DEBUGGING */
-
- #define MkLower(ch) (isupper(ch) ? tolower(ch) : ch)
- #define MkUpper(ch) (islower(ch) ? toupper(ch) : ch)
- #define Set_LineNum(ln) {Debug(DPARS|DEXT,("linenum=%d\n",ln)); \
- LineNumber = ln; \
- }
-
- #define FIRST_MINUTE 0
- #define LAST_MINUTE 59
- #define MINUTE_COUNT (LAST_MINUTE - FIRST_MINUTE + 1)
-
- #define FIRST_HOUR 0
- #define LAST_HOUR 23
- #define HOUR_COUNT (LAST_HOUR - FIRST_HOUR + 1)
-
- #define FIRST_DOM 1
- #define LAST_DOM 31
- #define DOM_COUNT (LAST_DOM - FIRST_DOM + 1)
-
- #define FIRST_MONTH 1
- #define LAST_MONTH 12
- #define MONTH_COUNT (LAST_MONTH - FIRST_MONTH + 1)
-
- /* note on DOW: 0 and 7 are both Sunday, for compatibility reasons. */
- #define FIRST_DOW 0
- #define LAST_DOW 7
- #define DOW_COUNT (LAST_DOW - FIRST_DOW + 1)
-
- /* each user's crontab will be held as a list of
- * the following structure.
- *
- * These are the cron commands.
- */
-
- typedef struct _entry
- {
- struct _entry *next;
- char *cmd;
- bitstr_t bit_decl(minute, MINUTE_COUNT);
- bitstr_t bit_decl(hour, HOUR_COUNT);
- bitstr_t bit_decl(dom, DOM_COUNT);
- bitstr_t bit_decl(month, MONTH_COUNT);
- bitstr_t bit_decl(dow, DOW_COUNT);
- int flags;
- # define DOM_STAR 0x1
- # define DOW_STAR 0x2
- # define WHEN_REBOOT 0x4
- }
- entry;
-
- /* the crontab database will be a list of the
- * following structure, one element per user.
- *
- * These are the crontabs.
- */
-
- typedef struct _user
- {
- struct _user *next, *prev; /* links */
- int uid; /* uid from passwd file */
- int gid; /* gid from passwd file */
- char **envp; /* environ for commands */
- time_t mtime; /* last modtime of crontab */
- entry *crontab; /* this person's crontab */
- }
- user;
-
- typedef struct _cron_db
- {
- user *head, *tail; /* links */
- time_t mtime; /* last modtime on spooldir */
- }
- cron_db;
-
- /* in the C tradition, we only create
- * variables for the main program, just
- * extern them elsewhere.
- */
-
- #ifdef MAIN_PROGRAM
-
- # if !defined(LINT) && !defined(lint)
- static char *copyright[] = {
- "@(#) Copyright (C) 1988, 1989, 1990 by Paul Vixie",
- "@(#) All rights reserved"
- };
- # endif
-
- char *MonthNames[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
- NULL};
- char *DowNames[] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun",
- NULL};
- char *ProgramName;
- int LineNumber;
- time_t TargetTime;
-
- # if DEBUGGING
- int DebugFlags;
- char *DebugFlagNames[] = { /* sync with #defines */
- "ext", "sch", "proc", "pars", "load", "misc", "test",
- NULL}; /* NULL must be last element */
- # endif /* DEBUGGING */
-
- #else /* !MAIN_PROGRAM */
-
- extern char *MonthNames[];
- extern char *DowNames[];
- extern char *ProgramName;
- extern int LineNumber;
- extern time_t TargetTime;
- # if DEBUGGING
- extern int DebugFlags;
- extern char *DebugFlagNames[];
- # endif /* DEBUGGING */
- #endif /* MAIN_PROGRAM */
-
-
- #endif /* _CRON_FLAG */
-