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defs.h
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1994-05-23
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289 lines
/*
SNEWS 2.0
DEFS.H
General public decls
Copyright (C) 1991 John McCombs, Christchurch, NEW ZEALAND
john@ahuriri.gen.nz
PO Box 2708, Christchurch, NEW ZEALAND
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 1, as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
See the file COPYING, which contains a copy of the GNU General
Public License.
*/
/*---------------------------- Source Control ------------------------------*/
/*
* $Id: DEFS.H,v 1.2 1994/02/05 18:44:34 gbj Exp user $
*/
/****************************************************************************
* 20 May 92 1.2 GT ka9q mods. *
* 22 May 92 1.3 GT Fix "reply" and "mail" commands. *
* 03 Jun 92 1.4 GT Less vigorous message quoting. *
* 05 Jun 92 1.7 GT SPACE command and From: address parsing. *
* 06 Jun 92 1.8 GT Fix 1.7. *
* 07 Jun 92 1.9 GT Fix mail queue directory parameter. *
* 08 Jun 92 1.10 GT FQDN in "Path:". *
* 09 Jun 92 1.11 GT Only expand "Path:" in header. *
* 12 Jun 92 1.12 NJL 50-line mode & lots of other stuff. *
* 16 Jun 92 1.13 GT Post via "mail2news". *
* 24 Jun 92 1.14 GT Fix unbatch. *
* 26 Jun 92 1.15 GT Multiple bug fixes. *
* 17 Jul 92 1.16 GT C++ compilation. *
* 16 Aug 92 1.17 MSM Revised to snews 1.90 level *
* 13 Feb 93 1.18 MSM Local posting added *
* 20 Feb 93 1.19 MSM Local posting read option *
* 31 May 93 1.20 MSM Revised to snews 2.00 level *
* 2 Jul 93 1.21 MSM Editor and Maillog items added to UUCP *
* 1 Oct 93 1.22 MSM TAB and Header items added to UUCP *
* 2 Apr 94 1.23 MSM Suspend support added *
* Footer support added *
****************************************************************************/
/*------------------------------- includes --------------------------------*/
#undef DEBUG
#ifdef __TURBOC__
# include <alloc.h>
#else
# ifndef ATARI
# include <malloc.h>
# endif
#endif
#include <time.h>
#include <string.h>
#include <conio.h>
#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef ATARI
# include <sys/types.h>
# include <ext.h>
#endif
#include <sys/stat.h>
#include "version.h"
#ifdef __TURBOC__
#include <dir.h>
#else
# ifndef ATARI
# include <direct.h>
# else
# include <sys/dir.h>
# endif
#endif
/*------------------------------- defines ----------------------------------*/
#define VERSION szVerName
#define HIST_MEM_LIMIT 75000l /* leave this much meme free loading history */
#define ACTIVE_NUM_LEN 8 /* length of the numbers in the active file */
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifdef ATARI
# define farcoreleft() coreleft
#endif
#ifdef DEBUG
#define DBGOUT(x) printf x
#else
#define DBGOUT(x)
#endif
#define malloc(x) xmalloc(x)
/*--------------------------------- types -------------------------------------------*/
/*
* This is the data we get from the UUPC .rc files
*/
typedef struct {
char temp_name[80]; /* unbatch temp file */
char news_dir[80]; /* news base directory */
char incoming_dir[80]; /* incoming news spool directory */
char user[80]; /* current user id */
char my_name[80]; /* my full name */
char my_domain[80]; /* our domain */
char my_site[80]; /* site name */
char my_organisation[80]; /* organisation */
char replyuser[80]; /* Reply-To User Address */
char mailuser[80]; /* Pseudo mail user for post log */
char maillog[80]; /* Pseudo mail user for mail */
char extruser[80]; /* Pseudo mail user for extracts */
char mail_server[80]; /* where posts are routed to */
char mail_id[80]; /* ID to mail news articles to */
char editor[80]; /* system editor */
char edit_line[80]; /* Editor command line parameter */
char home[80]; /* home mail directory */
char signature[80]; /* signature file */
char spooldir[80]; /* outbound mail directory */
char quotemark[80]; /* prefix for quoting articles */
char directvideo; /* direct video flag */
char mail_dir[80]; /* Location of Mail Directory */
char nntp_dir[80]; /* Location of ka9q nntp Dir. */
char localpost; /* Post news locally */
char localread; /* Don't read local posts */
char exitconfirm; /* Confirm exit to DOS */
char expert; /* Expert mode */
char alias_file[80]; /* Location of the mail aliases */
char tab_action; /* Old or new tab functionality */
char header_quote; /* Quote Headers in followups */
char footer_quote; /* Quote footers in followups */
char show_unread; /* Group / Thread dispay style */
int match_len; /* Length of minimum match */
} INFO;
/*
* This structure is a linked list of lines that make up an article. The
* file is read in and the linked list is built.
*
* This structure will replace the snews 1.90 LINE structure when
* conversion is completed.
*
*/
typedef struct lines {
char *data; /* line of text */
struct lines *next; /* next line */
struct lines *last; /* last line */
int index; /* line number from start */
} LINES;
/*
* NOTE - if hi_num and lo_num are the same there are no articles
*/
typedef struct active {
char group[60]; /* group name */
char gp_file[9]; /* name of the file that the data is in */
long lo_num; /* lowest number less one */
long hi_num; /* highest number */
long num_pos; /* file offset of the numbers */
struct active *next; /* next entry */
struct active *last; /* last entry */
int index; /* which number in the list, from 0 */
char *read_list; /* array hi_num-lo_num long. TRUE=read it */
int groups; /* filled in by load_active_file() in head */
int threads; /* filled in by get_headers() */
int suspend; /* True if suspended */
} ACTIVE;
/*
* This singly linked list is used to store the names of the groups
* we can post to.
*/
typedef struct post_groups {
char group[60]; /* group name */
int local; /* local news group 2.0 feature */
struct post_groups *next; /* next entry */
} POST_GROUPS;
/*
* This singly linked list is used to store the name of the groups
* that are currently suspended.
*/
typedef struct suspend {
char group[60]; /* group name */
struct suspend *next; /* next entry */
} SUSPEND;
/*
* READ LIST:
* The list of articles which has been seen by a user is kept in an
* ascii file, which has a newsgroup name followed by the list
* of article numbers which have been seen.
*
* The file is read by 'load_read_list', which allocates and array of
* flags, one per article, and plugs these into the ACTIVE structure.
* The flags are set to TRUE when a user has seen an article.
*
* On shutdown a new 'user.nrc' file is written
*/
/*
* This structure is an index to the history file. 'mid' is a 32bit hash
* of the message id. 'offset' is the offset into the history file, and
* 'next' makes the linked list. 'ngroups' is a cross-post count.
*/
typedef struct hist_list {
long mid; /* hashed Message-ID: */
int ngroups; /* Number of groups in Newsgroups: */
long offset; /* ftell() of where in history list this entry is */
struct hist_list *next;
} HIST_LIST;
/*
* This linked list is returned by 'look_up_history'. It is a list
* of the groups to which an article has been crossposted. It does
* not include self
*/
typedef struct cross_posts {
char group[60]; /* group name */
long art_num; /* article number in this group */
struct cross_posts *next; /* next entry */
} CROSS_POSTS;
/*-------------------------------- externs ---------------------------------*/
extern INFO my_stuff;
#ifndef ACTIVE_C
extern int textb, textf, headb, headf, helpf, helpb, msgf, msgb;
#endif
/*------------------------------ prototypes --------------------------------*/
ACTIVE *load_active_file(void);
void close_active_file(void);
void close_active(void);
ACTIVE *find_news_group(char *group, int *junk_flag);
void update_active_entry(ACTIVE *a);
char *make_news_group_name(char *ng);
void save_read_list(void);
void load_read_list(void);
int load_stuff(void);
FILE *open_out_file(char *ng, int *junk_flag);
FILE *open_index_file(char *ng);
int post_sequence(void);
void *xmalloc(size_t size);
int check_valid_post_group(char *ng);
void free_ng(void);
FILE *open_hist_file(void);
void close_hist_file(void);
void add_hist_record(char *msg_id, char *ng);
HIST_LIST *load_history_list(int);
void free_hist_list(void);
HIST_LIST *find_msg_id(char *msg_id);
CROSS_POSTS *look_up_history(char *msg_id, char *ng);
void free_cross_post_list(CROSS_POSTS *cx);
void abort_error(int, char*);
SUSPEND *load_suspend(void);
void free_suspend(SUSPEND*);
void add_suspend(ACTIVE*);