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path: root/mbbsd/board.c
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/* $Id: board.c,v 1.5 2002/04/28 19:35:28 in2 Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "config.h"
#include "pttstruct.h"
#include "perm.h"
#include "modes.h"
#include "common.h"
#include "proto.h"

#define BRC_STRLEN 15             /* Length of board name */
#define BRC_MAXSIZE     24576
#define BRC_ITEMSIZE    (BRC_STRLEN + 1 + BRC_MAXNUM * sizeof( int ))
#define BRC_MAXNUM      80

extern userinfo_t *currutmp;
static char *brc_getrecord(char *ptr, char *name, int *pnum, int *list) {
    int num;
    char *tmp;

    strncpy(name, ptr, BRC_STRLEN);
    ptr += BRC_STRLEN;
    num = (*ptr++) & 0xff;
    tmp = ptr + num * sizeof(int);
    if (num > BRC_MAXNUM)
    num = BRC_MAXNUM;
    *pnum = num;
    memcpy(list, ptr, num * sizeof(int));
    return tmp;
}

static time_t brc_expire_time;

static char *brc_putrecord(char *ptr, char *name, int num, int *list) {
    if(num > 0 && list[0] > brc_expire_time) {
    if (num > BRC_MAXNUM)
        num = BRC_MAXNUM;

    while(num > 1 && list[num - 1] < brc_expire_time)
        num--;

    strncpy(ptr, name, BRC_STRLEN);
    ptr += BRC_STRLEN;
    *ptr++ = num;
    memcpy(ptr, list, num * sizeof(int));
    ptr += num * sizeof(int);
    }
    return ptr;
}

extern userec_t cuser;
extern char currboard[];        /* name of currently selected board */
static int brc_changed = 0;
static char brc_buf[BRC_MAXSIZE];
int brc_num;
static char brc_name[BRC_STRLEN];
int brc_list[BRC_MAXNUM];
static char *fn_boardrc = ".boardrc";
static int brc_size;

void brc_update() {
    if(brc_changed && cuser.userlevel) {
    char dirfile[STRLEN], *ptr;
    char tmp_buf[BRC_MAXSIZE - BRC_ITEMSIZE], *tmp;
    char tmp_name[BRC_STRLEN];
    int tmp_list[BRC_MAXNUM], tmp_num;
    int fd, tmp_size;

    ptr = brc_buf;
    if(brc_num > 0)
        ptr = brc_putrecord(ptr, brc_name, brc_num, brc_list);

    setuserfile(dirfile, fn_boardrc);
    if((fd = open(dirfile, O_RDONLY)) != -1) {
        tmp_size = read(fd, tmp_buf, sizeof(tmp_buf));
        close(fd);
    } else {
        tmp_size = 0;
    }

    tmp = tmp_buf;
    while(tmp < &tmp_buf[tmp_size] && (*tmp >= ' ' && *tmp <= 'z')) {
        tmp = brc_getrecord(tmp, tmp_name, &tmp_num, tmp_list);
        if(strncmp(tmp_name, currboard, BRC_STRLEN))
        ptr = brc_putrecord(ptr, tmp_name, tmp_num, tmp_list);
    }
    brc_size = (int)(ptr - brc_buf);

    if((fd = open(dirfile, O_WRONLY | O_CREAT, 0644)) != -1) {
        ftruncate(fd, 0);
        write(fd, brc_buf, brc_size);
        close(fd);
    }
    brc_changed = 0;
    }
}

static void read_brc_buf() {
    char dirfile[STRLEN];
    int fd;

    if(brc_buf[0] == '\0') {
    setuserfile(dirfile, fn_boardrc);
    if((fd = open(dirfile, O_RDONLY)) != -1) {
        brc_size = read(fd, brc_buf, sizeof(brc_buf));
        close(fd);
    } else {
        brc_size = 0;
    }
    }
}

extern int currbid;
extern unsigned int currbrdattr;
extern boardheader_t *bcache;

int brc_initial(char *boardname) {
    char *ptr;
    if(strcmp(currboard, boardname) == 0) {
    return brc_num;
    }
    brc_update();
    strcpy(currboard, boardname);
    currbid = getbnum(currboard);
    currbrdattr = bcache[currbid - 1].brdattr;
    read_brc_buf();

    ptr = brc_buf;
    while(ptr < &brc_buf[brc_size] && (*ptr >= ' ' && *ptr <= 'z')) {
    ptr = brc_getrecord(ptr, brc_name, &brc_num, brc_list);
    if (strncmp(brc_name, currboard, BRC_STRLEN) == 0)
        return brc_num;
    }
    strncpy(brc_name, boardname, BRC_STRLEN);
    brc_num = brc_list[0] = 1;
    return 0;
}

void brc_addlist(char *fname) {
    int ftime, n, i;

    if(!cuser.userlevel)
    return;

    ftime = atoi(&fname[2]);
    if(ftime <= brc_expire_time
    /* || fname[0] != 'M' || fname[1] != '.' */ ) {
    return;
    }
    if(brc_num <= 0) {
    brc_list[brc_num++] = ftime;
    brc_changed = 1;
    return;
    }
    if((brc_num == 1) && (ftime < brc_list[0]))
    return;
    for(n = 0; n < brc_num; n++) {
    if(ftime == brc_list[n]) {
        return;
    } else if(ftime > brc_list[n]) {
        if(brc_num < BRC_MAXNUM)
        brc_num++;
        for(i = brc_num - 1; --i >= n; brc_list[i + 1] = brc_list[i]);
        brc_list[n] = ftime;
        brc_changed = 1;
        return;
    }
    }
    if(brc_num < BRC_MAXNUM) {
    brc_list[brc_num++] = ftime;
    brc_changed = 1;
    }
}

static int brc_unread_time(time_t ftime, int bnum, int *blist) {
    int n;

    if(ftime <= brc_expire_time )
    return 0;

    if(brc_num <= 0)
    return 1;
    for(n = 0; n < bnum; n++) {
    if(ftime > blist[n])
        return 1;
    else if(ftime == blist[n])
        return 0;
    }
    return 0;
}

int brc_unread(char *fname, int bnum, int *blist) {
    int ftime, n;

    ftime = atoi(&fname[2]);

    if(ftime <= brc_expire_time )
    return 0;

    if(brc_num <= 0)
    return 1;
    for(n = 0; n < bnum; n++) {
    if(ftime > blist[n])
        return 1;
    else if(ftime == blist[n])
        return 0;
    }
    return 0;
}

#define BRD_UNREAD 1
#define BRD_FAV  2
#define BRD_ZAP  4
#define BRD_TAG  8

typedef struct {
    int bid, *total;
    time_t *lastposttime;
    boardheader_t *bh;
    unsigned int myattr;
} boardstat_t;

extern time_t login_start_time;
extern int numboards;
static int *zapbuf=NULL,*favbuf;
static boardstat_t *nbrd;

#define STR_BBSRC ".bbsrc"
#define STR_FAV   ".fav"

void init_brdbuf() {
    register int n, size;
    char fname[60];

    /* MAXBOARDS ==> 至多看得見 32 個新板 */
    n = numboards + 32;
    size = n * sizeof(int);
    zapbuf = (int *) malloc(size);
    favbuf = (int *) malloc(size + sizeof(int));

    favbuf[0] = 0x5c4d3e; /* for check memory */
    ++favbuf;

    memset(favbuf,0,size);

    while(n)
    zapbuf[--n] = login_start_time;
    setuserfile(fname, STR_BBSRC);
    if((n = open(fname, O_RDONLY, 0600)) != -1) {
    read(n, zapbuf, size);
    close(n);
    }
    setuserfile(fname, STR_FAV);
    if((n = open(fname, O_RDONLY, 0600)) != -1) {
    read(n, favbuf, size);
    close(n);
    }
    
    if(!nbrd)
    nbrd = (boardstat_t *)malloc(MAX_BOARD * sizeof(boardstat_t));
    brc_expire_time = login_start_time - 365 * 86400;
}

void save_brdbuf() {
    int fd, size;
    char fname[60];

    if(!zapbuf) return;
    setuserfile(fname, STR_BBSRC);
    if((fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) {
    size = numboards * sizeof(int);
    write(fd, zapbuf, size);
    close(fd);
    }
    if( favbuf[-1] != 0x5c4d3e ){
    time_t  now;
    FILE    *fp = fopen(BBSHOME "/log/memorybad", "a");
    time(&now);
    fprintf(fp, "%s %s %d\n", cuser.userid, Cdatelite(&now), favbuf[-1]);
    fclose(fp);
    return;
    }
    setuserfile(fname, STR_FAV);
    if((fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) {
    size = numboards * sizeof(int);
    write(fd, favbuf, size);
    close(fd);
    }
}

extern char *fn_visable;

int Ben_Perm(boardheader_t *bptr) {
    register int level,brdattr;
    register char *ptr;

    level = bptr->level;
    brdattr = bptr->brdattr;

    if(HAS_PERM(PERM_SYSOP))
    return 1;

    ptr = bptr->BM;
    if(is_BM(ptr))
    return 1;

    /* 祕密看板:核對首席板主的好友名單 */

    if(brdattr & BRD_HIDE) { /* 隱藏 */
    if( hbflcheck((int)(bptr-bcache) + 1, currutmp->uid) ){
        if(brdattr & BRD_POSTMASK)
        return 0;
        else
        return 2;
    } else
        return 1;
    }
    /* 限制閱讀權限 */
    if(level && !(brdattr & BRD_POSTMASK) && !HAS_PERM(level))
    return 0;

    return 1;
}

extern char currauthor[];
extern int b_lines;
extern char currowner[];

#if 0
static int have_author(char* brdname) {
    char dirname[100];

    sprintf(dirname, "正在搜尋作者%s 看板:%s.....",
        currauthor,brdname);
    move(b_lines, 0);
    clrtoeol();
    outs(dirname);
    refresh();

    setbdir(dirname, brdname);
    str_lower(currowner, currauthor);

    return search_rec(dirname, cmpfowner);
}
#endif

static int check_newpost(boardstat_t *ptr) { /* Ptt 改 */
    int tbrc_list[BRC_MAXNUM], tbrc_num;
    char bname[BRC_STRLEN];
    char *po;
    time_t ftime;

    ptr->myattr &= ~BRD_UNREAD;
    if(ptr->bh->brdattr & BRD_GROUPBOARD)
    return 0;

    if(*(ptr->total) == 0) 
      setbtotal(ptr->bid);
    if(*(ptr->total) == 0) return 0;
    ftime = *(ptr->lastposttime);
    read_brc_buf();
    po = brc_buf;
    while(po < &brc_buf[brc_size] && (*po >= ' ' && *po <= 'z')) {
    po = brc_getrecord(po, bname, &tbrc_num, tbrc_list);
    if(strncmp(bname, ptr->bh->brdname, BRC_STRLEN) == 0) {
        if(brc_unread_time(ftime,tbrc_num,tbrc_list)) {
        ptr->myattr |= BRD_UNREAD;
            }
        return 1;
    }
    }

    ptr->myattr |= BRD_UNREAD;
    return 1;
}

extern int currmode;
extern struct bcache_t *brdshm;
static int brdnum;
int  class_bid = 0;
static int yank_flag = 1;
static void load_uidofgid(const int gid, const int type){
   boardheader_t *bptr,*currbptr;
   int n;
   currbptr = &bcache[gid-1];
   for(n=0;n<numboards;n++)
    {
     bptr = brdshm->sorted[type][n];            
     if(bptr->brdname[0]=='\0') continue; 
     if(bptr->gid == gid)
    { 
      if(currbptr == &bcache[gid-1])
         currbptr->firstchild[type]=bptr;
      else
           {
         currbptr->next[type]=bptr;
             currbptr->parent=&bcache[gid-1];
           }
      currbptr=bptr;
    }
    }
   if(currbptr == &bcache[gid-1])
       currbptr->firstchild[type]=(boardheader_t *) ~0;
   else
       currbptr->next[type]=(boardheader_t *) ~0;   
}
static boardstat_t * addnewbrdstat(int n, int state)
{
  boardstat_t *ptr=&nbrd[brdnum++];
  boardheader_t *bptr = &bcache[n];
  ptr->total = &(brdshm->total[n]);
  ptr->lastposttime = &(brdshm->lastposttime[n]);
  ptr->bid = n+1;
  ptr->myattr=0;
  ptr->myattr=(favbuf[n]&~BRD_ZAP);
  if(zapbuf[n] == 0)
      ptr->myattr|=BRD_ZAP;
  ptr->bh = bptr;
  if((bptr->brdattr & BRD_HIDE) && state == 1)
         bptr->brdattr |= BRD_POSTMASK;
  check_newpost(ptr);
  return ptr;
}

static void load_boards(char *key) {
    boardheader_t *bptr = NULL;
    int type=cuser.uflag & BRDSORT_FLAG?1:0;
    register int i,n;
    register int state ;

    if(class_bid>0)
     {
        bptr = &bcache[class_bid-1];
        if(bptr->firstchild[type]==NULL)
        load_uidofgid(class_bid,type);
     }
    brdnum = 0;
    if(class_bid==0)
      for(i=0 ; i < numboards; i++)
    {
          
      if( (bptr = brdshm->sorted[type][i]) == NULL )
        continue;
      n = (int)( bptr - bcache);
      if(!bptr->brdname[0] || bptr->brdattr & BRD_GROUPBOARD ||
             !((state = Ben_Perm(bptr)) || (currmode & MODE_MENU)) ||
             (yank_flag == 0 && !(favbuf[n]&BRD_FAV)) ||
             (yank_flag == 1 && !zapbuf[n]) ||
         (key[0] && !strcasestr(bptr->title, key)) 
            ) continue; 
           addnewbrdstat(n, state);
    }
   else
     for(bptr=bptr->firstchild[type]; bptr!=(boardheader_t *)~0;
       bptr=bptr->next[type]) 
      {
        n = (int)( bptr - bcache);
        if(!((state = Ben_Perm(bptr)) || (currmode & MODE_MENU))
            ||(yank_flag == 0 && !(favbuf[n]&BRD_FAV)) 
            ||(yank_flag == 1 && !zapbuf[n]) ||
        (key[0] && !strcasestr(bptr->title, key))) continue;
        addnewbrdstat(n, state);
      }
}

static int search_board() {
    int num;
    char genbuf[IDLEN + 2];
    move(0, 0);
    clrtoeol();
    CreateNameList();
    for(num = 0; num < brdnum; num++)
    AddNameList(nbrd[num].bh->brdname);
    namecomplete(MSG_SELECT_BOARD, genbuf);

    for (num = 0; num < brdnum; num++)
        if (!strcasecmp(nbrd[num].bh->brdname, genbuf))
            return num;
    return -1;                
}

static int unread_position(char *dirfile, boardstat_t *ptr) {
    fileheader_t fh;
    char fname[FNLEN];
    register int num, fd, step, total;

    total = *(ptr->total);
    num = total + 1;
    if((ptr->myattr&BRD_UNREAD) &&(fd = open(dirfile, O_RDWR)) > 0) {
    if(!brc_initial(ptr->bh->brdname)) {
        num = 1;
    } else {
        num = total - 1;
        step = 4;
        while(num > 0) {
        lseek(fd, (off_t)(num * sizeof(fh)), SEEK_SET);
        if(read(fd, fname, FNLEN) <= 0 ||
           !brc_unread(fname,brc_num,brc_list))
            break;
        num -= step;
        if(step < 32)
            step += step >> 1;
        }
        if(num < 0)
        num = 0;
        while(num < total) {
        lseek(fd, (off_t)(num * sizeof(fh)), SEEK_SET);
        if(read(fd, fname, FNLEN) <= 0 ||
           brc_unread(fname,brc_num,brc_list))
            break;
        num++;
        }
    }
    close(fd);
    }
    if(num < 0)
    num = 0;
    return num;
}

static void brdlist_foot() {
    prints("\033[34;46m  選擇看板  \033[31;47m  (c)\033[30m新文章模式  "
       "\033[31m(v/V)\033[30m標記已讀/未讀  \033[31m(y)\033[30m篩選%s"
       "  \033[31m(z)\033[30m切換選擇  \033[m",
       yank_flag==0 ? "最愛" : yank_flag==1 ? "部份" : "全部");
}

extern unsigned int currstat;
extern char *BBSName;

static void show_brdlist(int head, int clsflag, int newflag) {
    int myrow = 2;
    if(class_bid == 1) {
    currstat = CLASS;
    myrow = 6;
    showtitle("分類看板", BBSName);
    movie(0);
    move(1, 0);
    prints(
        "                                                              "
        "◣  ╭—\033[33m●\n"
        "                                                    ╬—  \033[m "
        "◢█\033[47m⊙\033[40m██◣╤\n");
    prints(
        "  \033[44m   ︿︿︿︿︿︿︿︿                               "
        "\033[33m║\033[m\033[44m ◣◢███▼▼▼║ \033[m\n"
        "  \033[44m                                                  "
        "\033[33m  \033[m\033[44m ◤◥███▲▲▲ ║\033[m\n"
        "                                  ︿︿︿︿︿︿︿︿    \033[33m"
        "│\033[m   ◥████◤ ║\n"
        "                                                      \033[33m╫"
        "——\033[m  ◤      —+\033[m");
    } else if (clsflag) {
    showtitle("看板列表", BBSName);
    prints("[←]主選單 [→]閱\讀 [↑↓]選擇 [y]載入 [S]排序 [/]搜尋 "
           "[TAB]文摘‧看板 [h]求助\n"
           "\033[7m%-20s 類別 轉信%-31s投票 板    主     \033[m",
           newflag ? "總數 未讀 看  板" : "  編號  看  板",
           "  中   文   敘   述");
    move(b_lines, 0);
    brdlist_foot();
    }

    if(brdnum > 0) {
    boardstat_t *ptr;
    static char *color[8]={"","\033[32m",
                   "\033[33m","\033[36m","\033[34m","\033[1m",
                   "\033[1;32m","\033[1;33m"};
    static char *unread[2]={"\33[37m  \033[m","\033[1;31mˇ\033[m"};
    
    while(++myrow < b_lines) {
        move(myrow, 0);
        clrtoeol();
        if(head < brdnum) {
        ptr = &nbrd[head++];
        if(class_bid == 1)
            prints("          ");
        if(!newflag) {
            prints("%5d%c%s", head,
               !(ptr->bh->brdattr & BRD_HIDE) ? ' ':
               (ptr->bh->brdattr & BRD_POSTMASK) ? ')' : '-',
               (ptr->myattr & BRD_TAG) ? "D " :
               (ptr->myattr & BRD_ZAP) ? "- " :
               (ptr->bh->brdattr & BRD_GROUPBOARD) ? "  " :
               unread[ptr->myattr&BRD_UNREAD]);
        } else if(ptr->myattr&BRD_ZAP) {
            ptr->myattr &= ~BRD_UNREAD;
            prints("   ﹣ ﹣");
        } else {
            if(newflag) {
                if((ptr->bh->brdattr & BRD_GROUPBOARD))
                    prints("        ");
                else
                prints("%6d%s", (int)(*(ptr->total)),
                                    unread[ptr->myattr&BRD_UNREAD]);
            }
        }
        if(class_bid != 1) {
                     prints("%s%-13s\033[m%s%5.5s\033[0;37m%2.2s\033[m"
                           "%-35.35s%c %.13s",
                           (ptr->myattr & BRD_FAV)?"\033[1;36m":"",
               ptr->bh->brdname,
               color[(unsigned int)
                (ptr->bh->title[1] + ptr->bh->title[2] +
                 ptr->bh->title[3] + ptr->bh->title[0]) & 07],
               ptr->bh->title, ptr->bh->title+5, ptr->bh->title+7,
               (ptr->bh->brdattr & BRD_BAD) ? 'X' :
                         " ARBCDEFGHI"[ptr->bh->bvote],
               ptr->bh->BM);
            refresh();
        } else {
            prints("%-40.40s %.13s", ptr->bh->title + 7, ptr->bh->BM);
        }
        }
        clrtoeol();
    }
    }
}

static char *choosebrdhelp[] = {
    "\0看板選單輔助說明",
    "\01基本指令",
    "(p)(↑)/(n)(↓)上一個看板 / 下一個看板",
    "(P)(^B)(PgUp)  上一頁看板",
    "(N)(^F)(PgDn)  下一頁看板",
    "($)/(s)/(/)    最後一個看板 / 搜尋看板 / 以中文搜尋看板關鍵字",
    "(數字)         跳至該項目",
    "\01進階指令",
    "(^W)           迷路了 我在哪裡",
    "(r)(→)(Rtn)   進入多功\能閱\讀選單",
    "(q)(←)        回到主選單",
    "(z)(Z)         訂閱\/反訂閱\看板 訂閱\/反訂閱\所有看板",
    "(y)            我的最愛/訂閱\看板/出所有看板",
    "(v/V)          通通看完/全部未讀",
    "(S)            按照字母/分類排序",
    "(t/^T/^A/^D)   標記看板/取消所有標記/已標記的加入我的最愛/取消我的最愛",
    "(m)            把看板加入我的最愛",
    "\01小組長指令",
    "(E/W/B)        設定看板/設定小組備忘/開新看板",
    "(^P)           移動已標記看板到此分類",
    NULL
};


static void set_menu_BM(char *BM) {
    if(HAS_PERM(PERM_ALLBOARD) || is_BM(BM)) {
    currmode |= MODE_MENU;
    cuser.userlevel |= PERM_SYSSUBOP;
    }
}

extern int p_lines;             /* a Page of Screen line numbers: tlines-4 */
extern int t_lines;
extern char *fn_notes;
static char *privateboard =
"\n\n\n\n         對不起 此板目前只准看板好友進入  請先向板主申請入境許\可";
static void dozap(int num){
        boardstat_t *ptr;
    ptr = &nbrd[num];
    ptr->myattr ^= BRD_ZAP;
    if(ptr->bh->brdattr & BRD_NOZAP) ptr->myattr &= ~BRD_ZAP;
    if(!(ptr->myattr & BRD_ZAP) ) check_newpost(ptr);
    zapbuf[ptr->bid-1] = (ptr->myattr&BRD_ZAP?0:login_start_time);
}
static void choose_board(int newflag) {
    static int num = 0;
    boardstat_t *ptr;
    int head = -1, ch = 0, currmodetmp, tmp,tmp1, bidtmp;
    char keyword[13]="";
#if HAVE_SEARCH_ALL
    char genbuf[200];
#endif
    extern time_t board_visit_time;
    
    setutmpmode(newflag ? READNEW : READBRD);
    brdnum = 0;
    if(!cuser.userlevel)         /* guest yank all boards */
    yank_flag = 2;
    
    do {
    if(brdnum <= 0) {
        load_boards(keyword);
        if(brdnum <= 0) {
        if(keyword[0]!=0)
          {
           mprints(b_lines-1,0,"沒有任何看板標題有此關鍵字 "
                   "(版主應注意看板標題命名)");
           pressanykey();
               keyword[0]=0;
           brdnum = -1;
           continue;
              }
                if(yank_flag<2)
                  {
           brdnum = -1;
                   yank_flag++;
                   continue;
                  } 
        if(HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU)) {
            if(m_newbrd(0) == -1)
            break;
            brdnum = -1;
            continue;
        } else
            break;
        }
        head = -1;
    }
    
    if(num < 0)
        num = 0;
    else if(num >= brdnum)
        num = brdnum - 1;
    
    if(head < 0) {
        if(newflag) {
        tmp = num;
        while(num < brdnum) {
            ptr = &nbrd[num];
            if(ptr->myattr&BRD_UNREAD)
            break;
            num++;
        }
        if(num >= brdnum)
            num = tmp;
        }
        head = (num / p_lines) * p_lines;
        show_brdlist(head, 1, newflag);
    } else if(num < head || num >= head + p_lines) {
        head = (num / p_lines) * p_lines;
        show_brdlist(head, 0, newflag);
    }
    if(class_bid == 1)
        ch = cursor_key(7 + num - head, 10);
    else
        ch = cursor_key(3 + num - head, 0);
    
    switch(ch) {
    case Ctrl('W'):
        whereami(0,NULL,NULL);
        head=-1;
        break;
    case 'e':
    case KEY_LEFT:
    case EOF:
        ch = 'q';
    case 'q':
        if(keyword[0])
        {
          keyword[0]=0;
          brdnum=-1;
          ch=' ';
        }
        break;
    case 'c':
        show_brdlist(head, 1, newflag ^= 1);
        break;
    case KEY_PGUP:
    case 'P':
    case 'b':
    case Ctrl('B'):
        if(num) {
        num -= p_lines;
        break;
        }
    case KEY_END:
    case '$':
        num = brdnum - 1;
        break;
    case ' ':
    case KEY_PGDN:
    case 'N':
    case Ctrl('F'):
        if(num == brdnum - 1)
        num = 0;
        else
        num += p_lines;
        break;
    case Ctrl('C'):
        cal();
        show_brdlist(head, 1, newflag);
        break;
    case Ctrl('I'):
        t_idle();
        show_brdlist(head, 1, newflag);
        break;
    case KEY_UP:
    case 'p':
    case 'k':
        if (num-- <= 0)
        num = brdnum - 1;
        break;
    case 't':
        ptr = &nbrd[num];
                ptr->myattr ^= BRD_TAG;
                favbuf[ptr->bid-1]=ptr->myattr;
        head = 9999;
    case KEY_DOWN:
    case 'n':
    case 'j':
        if (++num < brdnum)
        break;
    case '0':
    case KEY_HOME:
        num = 0;
        break;
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
        if((tmp = search_num(ch, brdnum)) >= 0)
        num = tmp;
        brdlist_foot();
        break;
        case 'F':
        case 'f':
        if(class_bid && HAS_PERM(PERM_SYSOP))
         {
          bcache[class_bid-1].firstchild[cuser.uflag&BRDSORT_FLAG?1:0]
                                    =NULL; 
          brdnum = -1;
         }
        break;
    case 'h':
        show_help(choosebrdhelp);
        show_brdlist(head, 1, newflag);
        break;
    case '/':
        getdata_buf(b_lines-1,0,"請輸入看板中文關鍵字:",
            keyword, sizeof(keyword), DOECHO);
        brdnum=-1;
        break;
    case 'S':
        cuser.uflag ^= BRDSORT_FLAG;
        brdnum = -1;
        break;
    case 'y':
            if(class_bid==0)
          yank_flag = (yank_flag+1)%3; 
            else
              yank_flag = yank_flag%2+1;
        brdnum = -1;
        break;
    case Ctrl('D'):
          for(tmp = 0; tmp < numboards; tmp++)
          {
             if(favbuf[tmp] & BRD_TAG)
                 {
               favbuf[tmp] &= ~BRD_FAV;
               favbuf[tmp] &= ~BRD_TAG; 
             }
          }
              brdnum = -1;
              break;
    case Ctrl('A'):
          for(tmp = 0; tmp < numboards; tmp++)
          {
             if(favbuf[tmp] & BRD_TAG)
                 {
               favbuf[tmp] |= BRD_FAV;
               favbuf[tmp] &= ~BRD_TAG; 
             }
          } 
              brdnum = -1;
          break;
    case Ctrl('T'):
              for(tmp = 0; tmp < numboards; tmp++)
               favbuf[tmp] &= ~BRD_TAG;
              brdnum = -1;
          break;
        case Ctrl('P'):
        if(class_bid!=0 &&
               (HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU))) {
              for(tmp = 0; tmp < numboards; tmp++) {
                   boardheader_t *bh=&bcache[tmp];
                   if(!(favbuf[tmp]&BRD_TAG) || bh->gid==class_bid)
                          continue;
                   favbuf[tmp] &= ~BRD_TAG;
                   if(bh->gid != class_bid)
            {
                          bh->gid = class_bid;
                          substitute_record(FN_BOARD, bh,
                                 sizeof(boardheader_t), tmp+1);
                          reset_board(tmp+1);
                          log_usies("SetBoardGID", bh->brdname);
            }
                 }
               brdnum = -1;
            }
            break;
    case 'm':
        if(HAS_PERM(PERM_BASIC)) {
        ptr = &nbrd[num];
                ptr->myattr ^= BRD_FAV;
                favbuf[ptr->bid-1]=ptr->myattr;
        head = 9999;
        }
        break;
    case 'z':
        if(HAS_PERM(PERM_BASIC)) {
                dozap(num);
        head = 9999;
        }
        break;
    case 'Z':                   /* Ptt */
        if(HAS_PERM(PERM_BASIC)) {
        for(tmp = 0; tmp < brdnum; tmp++) {
                    dozap(tmp);
        }
        head = 9999;
        }
        break;
    case 'v':
    case 'V':
        ptr = &nbrd[num];
        brc_initial(ptr->bh->brdname);
        if(ch == 'v') {
        ptr->myattr &= ~BRD_UNREAD;
        zapbuf[ptr->bid-1] = time((time_t *) &brc_list[0]);
        } else
            {
        zapbuf[ptr->bid-1] = brc_list[0] = 1;
                ptr->myattr |= BRD_UNREAD;
            } 
        brc_num = brc_changed = 1;
        brc_update();
        show_brdlist(head, 0, newflag);
        break;
    case 's':
        if((tmp = search_board()) == -1) {
        show_brdlist(head, 1, newflag);
        break;
        }
        num = tmp;
    case 'E':
        if(HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU)) {
        ptr = &nbrd[num];
        move(1,1);
        clrtobot();
        m_mod_board(ptr->bh->brdname);
        brdnum = -1;
        }
        break;
    case 'R':
        if(HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU)) {
        m_newbrd(1);
        brdnum = -1;
        }
        break;
    case 'B':
        if(HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU)) {
        m_newbrd(0);
        brdnum = -1;
        }
        break;
    case 'W':
        if(class_bid > 0 && 
           (HAS_PERM(PERM_SYSOP) || (currmode & MODE_MENU))) {
        b_note_edit_bname(class_bid);
        brdnum = -1;
        }
        break;
    case KEY_RIGHT:
    case '\n':
    case '\r':
    case 'r':
    {
        char buf[STRLEN];
        
        ptr = &nbrd[num];
        
        if(!(ptr->bh->brdattr & BRD_GROUPBOARD)) {    /* 非sub class */
        if(!(ptr->bh->brdattr & BRD_HIDE) ||
           (ptr->bh->brdattr & BRD_POSTMASK)) {
            brc_initial(ptr->bh->brdname);

            if(newflag) {
            setbdir(buf, currboard);
            tmp = unread_position(buf, ptr);
            head = tmp - t_lines / 2;
            getkeep(buf, head > 1 ? head : 1, tmp + 1);
            }
            board_visit_time = zapbuf[ptr->bid-1];
            if(!(ptr->myattr&BRD_ZAP))
            time((time_t *) &zapbuf[ptr->bid-1]);
            Read();
            check_newpost(ptr);
            head = -1;
            setutmpmode(newflag ? READNEW : READBRD);
        } else {
            setbfile(buf, ptr->bh->brdname, FN_APPLICATION);
            if(more(buf,YEA)==-1) {
            move(1,0);
            clrtobot();
            outs(privateboard);
            pressanykey();
            }
            head = -1;
        }
        } else {                                  /* sub class */
        move(12,1);
                bidtmp = class_bid;
                currmodetmp =currmode;
        tmp1=num; 
        num=0;
                class_bid = ptr->bid;
        if (!(currmode & MODE_MENU))/*如果還沒有小組長權限 */
           set_menu_BM(ptr->bh->BM);

        if(time(NULL) < ptr->bh->bupdate) {
            setbfile(buf, ptr->bh->brdname, fn_notes);
            if(more(buf, NA) != -1)
               pressanykey();
        }              
        tmp=currutmp->brc_id;
        currutmp->brc_id=ptr->bid;
        choose_board(0);
        currmode  = currmodetmp;    /* 離開版版後就把權限拿掉喔 */
        num=tmp1;
        class_bid = bidtmp;
        currutmp->brc_id=tmp;
        brdnum = -1;
        }
    }
    }
    } while(ch != 'q');
    save_brdbuf();
}

int root_board() {
    class_bid = 1;
    yank_flag = 1;
    choose_board(0);
    return 0;
}

int Boards() {
    class_bid = 0;
    yank_flag = 0; 
    choose_board(0);
    return 0;
}


int New() {
    int mode0 = currutmp->mode;
    int stat0 = currstat;

    class_bid = 0;
    choose_board(1);
    currutmp->mode = mode0;
    currstat = stat0;
    return 0;
}

/*
int v_favorite(){
    char fname[256];
    char inbuf[2048];
    FILE* fp;
    int nGroup;
    char* strtmp;
    
    setuserfile(fname,str_favorite);
    
    if (!(fp=fopen(fname,"r")))
        return -1;
    move(0,0);
    clrtobot();
    fgets(inbuf,sizeof(inbuf),fp);
    nGroup=atoi(inbuf);
    
    currutmp->nGroup=0;
    currutmp->ninRoot=0;
    
    while(nGroup!=currutmp->nGroup+1){
        fgets(inbuf,sizeof(inbuf),fp);
        prints("%s\n",strtmp=strtok(inbuf," \n"));
        strcpy(currutmp->gfavorite[currutmp->nGroup++],strtmp);
        while((strtmp=strtok(NULL, " \n"))){
            prints("     %s %d\n",strtmp,getbnum(strtmp));
        }
        currutmp->nGroup++;
    }
    prints("+++%d+++\n",currutmp->nGroup);
    
    fgets(inbuf,sizeof(inbuf),fp);
    
    for(strtmp=strtok(inbuf, " \n");strtmp;strtmp=strtok(NULL, " \n")){
        if (strtmp[0]!='#')
            prints("*** %s %d\n",strtmp, getbnum(strtmp));
        else
            prints("*** %s %d\n",strtmp+1, -1);
        currutmp->ninRoot++;
    }
    
    fclose(fp);
    pressanykey();
    return 0;
} 
*/