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defs.h

/*
 * Copyright (c) 1983, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by the University of
 *    California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *    @(#)defs.h  8.1 (Berkeley) 6/9/93
 */

#include <sys/param.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/file.h>

#include <netinet/in.h>

#include <dirent.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#include <stdio.h>
#include <ctype.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include "pathnames.h"

/*
 * The version number should be changed whenever the protocol changes.
 */
#define VERSION    3

      /* defines for yacc */
#define EQUAL     1
#define LP  2
#define RP  3
#define SM  4
#define ARROW     5
#define COLON     6
#define DCOLON    7
#define NAME      8
#define STRING    9
#define INSTALL   10
#define NOTIFY    11
#define EXCEPT    12
#define PATTERN   13
#define SPECIAL   14
#define OPTION    15

      /* lexical definitions */
#define     QUOTE       0200        /* used internally for quoted characters */
#define     TRIM  0177        /* Mask to strip quote bit */

      /* table sizes */
#define HASHSIZE  1021
#define INMAX     3500

      /* option flags */
#define VERIFY    0x1
#define WHOLE     0x2
#define YOUNGER   0x4
#define COMPARE   0x8
#define REMOVE    0x10
#define FOLLOW    0x20
#define IGNLNKS   0x40

      /* expand type definitions */
#define E_VARS    0x1
#define E_SHELL   0x2
#define E_TILDE   0x4
#define E_ALL     0x7

      /* actions for lookup() */
#define LOOKUP    0
#define INSERT    1
#define REPLACE   2

#define ISDIR(m) (((m) & S_IFMT) == S_IFDIR)

#define ALLOC(x) (struct x *) malloc(sizeof(struct x))

/*
 * RSH Time Out interval (in seconds).
 * Should be long enough to allow rsh to even the slowest hosts.
 */
#define RTIMEOUT  180


struct namelist { /* for making lists of strings */
      char  *n_name;
      struct      namelist *n_next;
};

struct subcmd {
      short sc_type;    /* type - INSTALL,NOTIFY,EXCEPT,SPECIAL */
      short sc_options;
      char  *sc_name;
      struct      namelist *sc_args;
      struct      subcmd *sc_next;
};

struct cmd {
      int   c_type;           /* type - ARROW,DCOLON */
      char  *c_name;    /* hostname or time stamp file name */
      char  *c_label;   /* label for partial update */
      struct      namelist *c_files;
      struct      subcmd *c_cmds;
      struct      cmd *c_next;
};

struct linkbuf {
      ino_t inum;
      dev_t devnum;
      int   count;
      char  pathname[BUFSIZ];
      char  src[BUFSIZ];
      char  target[BUFSIZ];
      struct      linkbuf *nextp;
};

extern int debug;       /* debugging flag */
extern int nflag;       /* NOP flag, don't execute commands */
extern int qflag;       /* Quiet. don't print messages */
extern int options;           /* global options */

extern int nerrs;       /* number of errors seen */
extern int rem;               /* remote file descriptor */
extern int iamremote;         /* acting as remote server */
extern char tempfile[];       /* file name for logging changes */
extern struct linkbuf *ihead; /* list of files with more than one link */
extern struct passwd *pw;     /* pointer to static area used by getpwent */
extern struct group *gr;      /* pointer to static area used by getgrent */
extern char host[];           /* host name of master copy */
extern char buf[BUFSIZ];      /* general purpose buffer */
extern char target[BUFSIZ];   /* target/source directory name */
extern char *path_rsh;        /* rsh command to use */

int    any __P((int, char *));
char  *colon __P((char *));
void   cleanup __P((int));
void   define __P((char *));
void   docmds __P((char **, int, char **));
void   error __P((const char *, ...));
int    except __P((char *));
struct namelist *
       expand __P((struct namelist *, int));
char  *exptilde __P((char [], char *, int));
void   fatal __P((const char *, ...));
int    inlist __P((struct namelist *, char *));
void   insert __P((char *,
          struct namelist *, struct namelist *, struct subcmd *));
void   install __P((char *, char *, int, int));
void   log __P((FILE *, const char *, ...));
struct namelist *
       lookup __P((char *, int, struct namelist *));
void   lostconn __P((int));
struct namelist *
       makenl __P((char *));
struct subcmd *
       makesubcmd __P((int));
void   prnames __P((struct namelist *));
void   server __P((void));
void   yyerror __P((char *));
int    yyparse __P((void));
int    rshrcmd __P((char **, u_short, char *, char *, char *, int *));

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