/*      $NetBSD: defs.h,v 1.19 2011/09/06 18:28:18 joerg Exp $  */

/*
 * 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. 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.
 *
 *      from: @(#)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 <stdio.h>
#include <ctype.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <time.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 ALLOC(x) (struct x *) malloc(sizeof(struct x))

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    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 char host[];             /* host name of master copy */
extern char buf[BUFSIZ];        /* general purpose buffer */

extern struct passwd *pw;       /* pointer to static area used by getpwent */
extern struct group *gr;        /* pointer to static area used by getgrent */
extern uid_t userid;            /* user's user ID */
extern gid_t groupid;           /* user's group ID */

int      any(int, const char *);
char    *colon(char *);
void     cleanup(int) __dead;
void     define(char *);
void     docmds(char **, int, char **);
void     error(const char *, ...) __printflike(1, 2);
int      except(char *);
struct namelist *
         expand(struct namelist *, int);
char    *exptilde(char [], char *);
void     fatal(const char *, ...) __printflike(1, 2);
int      inlist(struct namelist *, char *);
void     insert(char *,
            struct namelist *, struct namelist *, struct subcmd *);
void     install(char *, char *, int, int);
void     dolog(FILE *, const char *, ...) __printflike(2, 3);
struct namelist *
         lookup(char *, int, struct namelist *);
void     lostconn(int) __dead;
struct namelist *
         makenl(char *);
void     freenl(struct namelist *);
struct subcmd *
         makesubcmd(int);
void     freesubcmd(struct subcmd *);
void     prnames(struct namelist *);
void     server(void);
void     yyerror(const char *);
int      yyparse(void);