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path: root/mbbsd/vote.c
blob: 8213ea698696f299691dd1d338c3569cd3250d58 (plain) (tree)
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/* $Id$ */
#include "bbs.h"

static char     STR_bv_control[] = "control";   /* 投票日期 選項 */
static char     STR_bv_desc[] = "desc"; /* 投票目的 */
static char     STR_bv_ballots[] = "ballots";
static char     STR_bv_flags[] = "flags";
static char     STR_bv_comments[] = "comments"; /* 投票者的建議 */
static char     STR_bv_limited[] = "limited";   /* 私人投票 */
static char     STR_bv_title[] = "vtitle";

static char     STR_bv_results[] = "results";

static char     STR_new_control[] = "control0\0";   /* 投票日期 選項 */
static char     STR_new_desc[] = "desc0\0"; /* 投票目的 */
static char     STR_new_ballots[] = "ballots0\0";
static char     STR_new_flags[] = "flags0\0";
static char     STR_new_comments[] = "comments0\0"; /* 投票者的建議 */
static char     STR_new_limited[] = "limited0\0";   /* 私人投票 */
static char     STR_new_title[] = "vtitle0\0";

int
strip_ansi(char *buf, char *str, int mode)
{
    register int    ansi, count = 0;

    for (ansi = 0; *str /* && *str != '\n' */ ; str++) {
    if (*str == 27) {
        if (mode) {
        if (buf)
            *buf++ = *str;
        count++;
        }
        ansi = 1;
    } else if (ansi && strchr("[;1234567890mfHABCDnsuJKc=n", *str)) {
        if ((mode == NO_RELOAD && !strchr("c=n", *str)) ||
        (mode == ONLY_COLOR && strchr("[;1234567890m", *str))) {
        if (buf)
            *buf++ = *str;
        count++;
        }
        if (strchr("mHn ", *str))
        ansi = 0;
    } else {
        ansi = 0;
        if (buf)
        *buf++ = *str;
        count++;
    }
    }
    if (buf)
    *buf = '\0';
    return count;
}

void
b_suckinfile(FILE * fp, char *fname)
{
    FILE           *sfp;

    if ((sfp = fopen(fname, "r"))) {
    char            inbuf[256];

    while (fgets(inbuf, sizeof(inbuf), sfp))
        fputs(inbuf, fp);
    fclose(sfp);
    }
}

static void
b_count(char *buf, int counts[], int *total)
{
    char            inchar;
    int             fd;

    memset(counts, 0, 31 * sizeof(counts[0]));
    *total = 0;
    if ((fd = open(buf, O_RDONLY)) != -1) {
    flock(fd, LOCK_EX); /* Thor: 防止多人同時算 */
    while (read(fd, &inchar, 1) == 1) {
        counts[(int)(inchar - 'A')]++;
        (*total)++;
    }
    flock(fd, LOCK_UN);
    close(fd);
    }
}


static int
b_nonzeroNum(char *buf)
{
    int             i = 0;
    char            inchar;
    int             fd;

    if ((fd = open(buf, O_RDONLY)) != -1) {
    while (read(fd, &inchar, 1) == 1)
        if (inchar)
        i++;
    close(fd);
    }
    return i;
}

static void
vote_report(char *bname, char *fname, char *fpath)
{
    register char  *ip;
    time_t          dtime;
    int             fd, bid;
    fileheader_t    header;

    ip = fpath;
    while (*(++ip));
    *ip++ = '/';

    /* get a filename by timestamp */

    dtime = now;
    for (;;) {
    sprintf(ip, "M.%ld.A", ++dtime);
    fd = open(fpath, O_CREAT | O_EXCL | O_WRONLY, 0644);
    if (fd >= 0)
        break;
    dtime++;
    }
    close(fd);

    unlink(fpath);
    link(fname, fpath);

    /* append record to .DIR */

    memset(&header, 0, sizeof(fileheader_t));
    strlcpy(header.owner, "[馬路探子]", sizeof(header.owner));
    snprintf(header.title, sizeof(header.title), "[%s] 看板 選情報導", bname);
    {
    register struct tm *ptime = localtime(&dtime);

    snprintf(header.date, sizeof(header.date),
         "%2d/%02d", ptime->tm_mon + 1, ptime->tm_mday);
    }
    strlcpy(header.filename, ip, sizeof(header.filename));

    strcpy(ip, ".DIR");
    if ((fd = open(fpath, O_WRONLY | O_CREAT, 0644)) >= 0) {
    flock(fd, LOCK_EX);
    lseek(fd, 0, SEEK_END);
    write(fd, &header, sizeof(fileheader_t));
    flock(fd, LOCK_UN);
    close(fd);
    if ((bid = getbnum(bname)) > 0)
        setbtotal(bid);

    }
}

static void
b_result_one(boardheader_t * fh, int ind, int *total)
{
    FILE           *cfp, *tfp, *frp, *xfp;
    char           *bname;
    char            buf[STRLEN];
    char            inbuf[80];
    int             counts[31];
    int             num, pnum;
    int             junk;
    char            b_control[64];
    char            b_newresults[64];
    char            b_report[64];
    time_t          closetime;

    fh->bvote--;

    if (fh->bvote == 0)
    fh->bvote = 2;
    else if (fh->bvote == 2)
    fh->bvote = 1;

    if (ind) {
    snprintf(STR_new_ballots, sizeof(STR_new_ballots), "%s%d", STR_bv_ballots, ind);
    snprintf(STR_new_control, sizeof(STR_new_control),"%s%d", STR_bv_control, ind);
    snprintf(STR_new_desc, sizeof(STR_new_desc), "%s%d", STR_bv_desc, ind);
    snprintf(STR_new_flags, sizeof(STR_new_flags), "%s%d", STR_bv_flags, ind);
    snprintf(STR_new_comments, sizeof(STR_new_comments), "%s%d", STR_bv_comments, ind);
    snprintf(STR_new_limited, sizeof(STR_new_limited), "%s%d", STR_bv_limited, ind);
    snprintf(STR_new_title, sizeof(STR_new_title), "%s%d", STR_bv_title, ind);
    } else {
    strlcpy(STR_new_ballots, STR_bv_ballots, sizeof(STR_new_ballots));
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_desc, STR_bv_desc, sizeof(STR_new_desc));
    strlcpy(STR_new_flags, STR_bv_flags, sizeof(STR_new_flags));
    strlcpy(STR_new_comments, STR_bv_comments, sizeof(STR_new_comments));
    strlcpy(STR_new_limited, STR_bv_limited, sizeof(STR_new_limited));
    strlcpy(STR_new_title, STR_bv_title, sizeof(STR_new_title));
    }

    bname = fh->brdname;

    setbfile(buf, bname, STR_new_control);
    cfp = fopen(buf, "r");
    fscanf(cfp, "%d\n%lu\n", &junk, &closetime);
    fclose(cfp);

    setbfile(b_control, bname, "tmp");
    if (rename(buf, b_control) == -1)
    return;
    setbfile(buf, bname, STR_new_flags);
    pnum = b_nonzeroNum(buf);
    unlink(buf);
    setbfile(buf, bname, STR_new_ballots);
    b_count(buf, counts, total);
    unlink(buf);

    setbfile(b_newresults, bname, "newresults");
    if ((tfp = fopen(b_newresults, "w")) == NULL)
    return;

    setbfile(buf, bname, STR_new_title);

    if ((xfp = fopen(buf, "r"))) {
    fgets(inbuf, sizeof(inbuf), xfp);
    fprintf(tfp, "%s\n◆ 投票名稱: %s\n\n", msg_seperator, inbuf);
    fclose(xfp);
    }
    fprintf(tfp, "%s\n◆ 投票中止於: %s\n\n◆ 票選題目描述:\n\n",
        msg_seperator, ctime(&closetime));
    fh->vtime = now;

    setbfile(buf, bname, STR_new_desc);

    b_suckinfile(tfp, buf);
    unlink(buf);

    if ((cfp = fopen(b_control, "r"))) {
    fgets(inbuf, sizeof(inbuf), cfp);
    fgets(inbuf, sizeof(inbuf), cfp);
    fprintf(tfp, "\n◆投票結果:(共有 %d 人投票,每人最多可投 %d 票)\n",
        pnum, junk);
    fprintf(tfp, "    選    項                                   總票數 得票率   得票分布\n");
    while (fgets(inbuf, sizeof(inbuf), cfp)) {
        inbuf[(strlen(inbuf) - 1)] = '\0';
        num = counts[inbuf[0] - 'A'];
        fprintf(tfp, "    %-42s %3d 票   %02.2f%%   %02.2f%%\n", inbuf + 3, num,                
            (float)(num * 100) / (float)(pnum),
            (float)(num * 100) / (float)(*total));
    }
    fclose(cfp);
    }
    unlink(b_control);

    fprintf(tfp, "%s\n◆ 使用者建議:\n\n", msg_seperator);
    setbfile(buf, bname, STR_new_comments);
    b_suckinfile(tfp, buf);
    unlink(buf);

    fprintf(tfp, "%s\n◆ 總票數 = %d 票\n\n", msg_seperator, *total);
    fclose(tfp);

    setbfile(b_report, bname, "report");
    if ((frp = fopen(b_report, "w"))) {
    b_suckinfile(frp, b_newresults);
    fclose(frp);
    }
    snprintf(inbuf, sizeof(inbuf), "boards/%c/%s", bname[0], bname);
    vote_report(bname, b_report, inbuf);
    if (!(fh->brdattr & BRD_NOCOUNT)) {
    snprintf(inbuf, sizeof(inbuf), "boards/%c/%s", 'R', "Record");
    vote_report(bname, b_report, inbuf);
    }
    unlink(b_report);

    tfp = fopen(b_newresults, "a");
    setbfile(buf, bname, STR_bv_results);
    b_suckinfile(tfp, buf);
    fclose(tfp);
    Rename(b_newresults, buf);
}

static void
b_result(boardheader_t * fh)
{
    FILE           *cfp;
    time_t          closetime;
    int             i, total;
    char            buf[STRLEN];
    char            temp[STRLEN];

    for (i = 0; i < 20; i++) {
    if (i)
        snprintf(STR_new_control, sizeof(STR_new_control), "%s%d", STR_bv_control, i);
    else
        strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));

    setbfile(buf, fh->brdname, STR_new_control);
    cfp = fopen(buf, "r");
    if (!cfp)
        continue;
    fgets(temp, sizeof(temp), cfp);
    fscanf(cfp, "%lu\n", &closetime);
    fclose(cfp);
    if (closetime < now)
        b_result_one(fh, i, &total);
    }
}

static int
b_close(boardheader_t * fh)
{

    if (fh->bvote == 2) {
    if (fh->vtime < now - 3 * 86400) {
        fh->bvote = 0;
        return 1;
    } else
        return 0;
    }
    b_result(fh);
    return 1;
}

int
b_closepolls()
{
    char    *fn_vote_polling = ".polling";
    boardheader_t  *fhp;
    FILE           *cfp;
    int             pos, dirty;
    time_t          last;
    char            timebuf[100];

    /* Edited by CharlieL for can't auto poll bug */

    if ((cfp = fopen(fn_vote_polling, "r"))) {
    fgets(timebuf, 100 * sizeof(char), cfp);
    sscanf(timebuf, "%lu", &last);
    fclose(cfp);
    if (last + 3600 >= now)
        return 0;
    }
    if ((cfp = fopen(fn_vote_polling, "w")) == NULL)
    return 0;
    fprintf(cfp, "%lu\n%s\n", now, ctime(&now));
    fclose(cfp);

    dirty = 0;
    for (fhp = bcache, pos = 1; pos <= numboards; fhp++, pos++) {
    if (fhp->bvote && b_close(fhp)) {
        if (substitute_record(fn_board, fhp, sizeof(*fhp), pos) == -1)
        outs(err_board_update);
        dirty = 1;
    }
    }
    if (dirty)          /* vote flag changed */
    reset_board(pos);

    return 0;
}

static int
vote_view(char *bname, int index)
{
    boardheader_t  *fhp;
    FILE           *fp;
    char            buf[STRLEN], genbuf[STRLEN], inbuf[STRLEN];
    struct stat     stbuf;
    int             fd, num = 0, i, pos, counts[31], total;
    time_t          closetime;

    if (index) {
    snprintf(STR_new_ballots, sizeof(STR_new_ballots),"%s%d", STR_bv_ballots, index);
    snprintf(STR_new_control, sizeof(STR_new_control), "%s%d", STR_bv_control, index);
    snprintf(STR_new_desc, sizeof(STR_new_desc), "%s%d", STR_bv_desc, index);
    snprintf(STR_new_flags, sizeof(STR_new_flags), "%s%d", STR_bv_flags, index);
    snprintf(STR_new_comments, sizeof(STR_new_comments), "%s%d", STR_bv_comments, index);
    snprintf(STR_new_limited, sizeof(STR_new_limited), "%s%d", STR_bv_limited, index);
    snprintf(STR_new_title, sizeof(STR_new_title), "%s%d", STR_bv_title, index);
    } else {
    strlcpy(STR_new_ballots, STR_bv_ballots, sizeof(STR_new_ballots));
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_desc, STR_bv_desc, sizeof(STR_new_desc));
    strlcpy(STR_new_flags, STR_bv_flags, sizeof(STR_new_flags));
    strlcpy(STR_new_comments, STR_bv_comments, sizeof(STR_new_comments));
    strlcpy(STR_new_limited, STR_bv_limited, sizeof(STR_new_limited));
    strlcpy(STR_new_title, STR_bv_title, sizeof(STR_new_title));
    }

    setbfile(buf, bname, STR_new_ballots);
    if ((fd = open(buf, O_RDONLY)) > 0) {
    fstat(fd, &stbuf);
    close(fd);
    } else
    stbuf.st_size = 0;

    setbfile(buf, bname, STR_new_title);
    move(0, 0);
    clrtobot();

    if ((fp = fopen(buf, "r"))) {
    fgets(inbuf, sizeof(inbuf), fp);
    prints("\n投票名稱: %s", inbuf);
    fclose(fp);
    }
    setbfile(buf, bname, STR_new_control);
    fp = fopen(buf, "r");
    fgets(inbuf, sizeof(inbuf), fp);
    fscanf(fp, "%lu\n", &closetime);

    prints("\n◆ 預知投票紀事: 每人最多可投 %d 票,目前共有 %d 票,\n"
       "本次投票將結束於 %s", atoi(inbuf), (int)stbuf.st_size,
       ctime(&closetime));

    /* Thor: 開放 票數 預知 */
    setbfile(buf, bname, STR_new_flags);
    num = b_nonzeroNum(buf);

    setbfile(buf, bname, STR_new_ballots);
    b_count(buf, counts, &total);

    prints("共有 %d 人投票\n", num);
    total = 0;

    while (fgets(inbuf, sizeof(inbuf), fp)) {
    inbuf[(strlen(inbuf) - 1)] = '\0';
    inbuf[30] = '\0';   /* truncate */
    i = inbuf[0] - 'A';
    num = counts[i];
    move(i % 15 + 6, i / 15 * 40);
    prints("  %-32s%3d 票", inbuf, num);
    total += num;
    }
    fclose(fp);
    pos = getbnum(bname);
    fhp = bcache + pos - 1;
    move(t_lines - 3, 0);
    prints("◆ 目前總票數 = %d 票", total);
    getdata(b_lines - 1, 0, "(A)取消投票 (B)提早開票 (C)繼續?[C] ", genbuf,
        4, LCECHO);
    if (genbuf[0] == 'a') {
    setbfile(buf, bname, STR_new_control);
    unlink(buf);
    setbfile(buf, bname, STR_new_flags);
    unlink(buf);
    setbfile(buf, bname, STR_new_ballots);
    unlink(buf);
    setbfile(buf, bname, STR_new_desc);
    unlink(buf);
    setbfile(buf, bname, STR_new_limited);
    unlink(buf);
    setbfile(buf, bname, STR_new_title);
    unlink(buf);

    if (fhp->bvote)
        fhp->bvote--;
    if (fhp->bvote == 2)
        fhp->bvote = 1;

    if (substitute_record(fn_board, fhp, sizeof(*fhp), pos) == -1)
        outs(err_board_update);
    reset_board(pos);
    } else if (genbuf[0] == 'b') {
    b_result_one(fhp, index, &total);
    if (substitute_record(fn_board, fhp, sizeof(*fhp), pos) == -1)
        outs(err_board_update);

    reset_board(pos);
    }
    return FULLUPDATE;
}

static int
vote_view_all(char *bname)
{
    int             i;
    int             x = -1;
    FILE           *fp, *xfp;
    char            buf[STRLEN], genbuf[STRLEN];
    char            inbuf[80];

    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_title, STR_bv_title, sizeof(STR_new_title));
    setbfile(buf, bname, STR_new_control);
    move(0, 0);
    if ((fp = fopen(buf, "r"))) {
    prints("(0) ");
    x = 0;
    fclose(fp);

    setbfile(buf, bname, STR_new_title);
    if ((xfp = fopen(buf, "r"))) {
        fgets(inbuf, sizeof(inbuf), xfp);
        fclose(xfp);
    } else
        strlcpy(inbuf, "無標題", sizeof(inbuf));
    prints("%s\n", inbuf);
    }
    for (i = 1; i < 20; i++) {
    snprintf(STR_new_control, sizeof(STR_new_control),
         "%s%d", STR_bv_control, i);
    snprintf(STR_new_title, sizeof(STR_new_title),
         "%s%d", STR_bv_title, i);
    setbfile(buf, bname, STR_new_control);
    if ((fp = fopen(buf, "r"))) {
        prints("(%d) ", i);
        x = i;
        fclose(fp);

        setbfile(buf, bname, STR_new_title);
        if ((xfp = fopen(buf, "r"))) {
        fgets(inbuf, sizeof(inbuf), xfp);
        fclose(xfp);
        } else
        strlcpy(inbuf, "無標題", sizeof(inbuf));
        prints("%s\n", inbuf);
    }
    }

    if (x < 0)
    return FULLUPDATE;
    snprintf(buf, sizeof(buf), "要看幾號投票 [%d] ", x);

    getdata(b_lines - 1, 0, buf, genbuf, 4, LCECHO);


    if (atoi(genbuf) < 0 || atoi(genbuf) > 20)
    snprintf(genbuf, sizeof(genbuf), "%d", x);
    if (genbuf[0] != '0')
    snprintf(STR_new_control, sizeof(STR_new_control),
         "%s%d", STR_bv_control, atoi(genbuf));
    else
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));

    setbfile(buf, bname, STR_new_control);

    if ((fp = fopen(buf, "r"))) { // TODO try access()
    fclose(fp);
    return vote_view(bname, atoi(genbuf));
    } else
    return FULLUPDATE;
}

static int
vote_maintain(char *bname)
{
    FILE           *fp = NULL;
    char            inbuf[STRLEN], buf[STRLEN];
    int             num = 0, aborted, pos, x, i;
    time_t          closetime;
    boardheader_t  *fhp;
    char            genbuf[4];

    if (!(currmode & MODE_BOARD))
    return 0;
    if ((pos = getbnum(bname)) <= 0)
    return 0;

    stand_title("舉辦投票");
    fhp = bcache + pos - 1;

    /* CharlieL */
    if (fhp->bvote != 2 && fhp->bvote != 0) {
    getdata(b_lines - 1, 0,
        "(V)觀察目前投票 (M)舉辦新投票 (A)取消所有投票 (Q)繼續 [Q]",
        genbuf, 4, LCECHO);
    if (genbuf[0] == 'v')
        return vote_view_all(bname);
    else if (genbuf[0] == 'a') {
        fhp->bvote = 0;

        setbfile(buf, bname, STR_bv_control);
        unlink(buf);
        setbfile(buf, bname, STR_bv_flags);
        unlink(buf);
        setbfile(buf, bname, STR_bv_ballots);
        unlink(buf);
        setbfile(buf, bname, STR_bv_desc);
        unlink(buf);
        setbfile(buf, bname, STR_bv_limited);
        unlink(buf);
        setbfile(buf, bname, STR_bv_title);
        unlink(buf);

        for (i = 1; i < 20; i++) {
        snprintf(STR_new_ballots, sizeof(STR_new_ballots),
             "%s%d", STR_bv_ballots, i);
        snprintf(STR_new_control, sizeof(STR_new_control),
             "%s%d", STR_bv_control, i);
        snprintf(STR_new_desc, sizeof(STR_new_desc),
             "%s%d", STR_bv_desc, i);
        snprintf(STR_new_flags, sizeof(STR_new_flags),
             "%s%d", STR_bv_flags, i);
        snprintf(STR_new_comments, sizeof(STR_new_comments),
             "%s%d", STR_bv_comments, i);
        snprintf(STR_new_limited, sizeof(STR_new_limited),
             "%s%d", STR_bv_limited, i);
        snprintf(STR_new_title, sizeof(STR_new_title),
             "%s%d", STR_bv_title, i);

        setbfile(buf, bname, STR_new_control);
        unlink(buf);
        setbfile(buf, bname, STR_new_flags);
        unlink(buf);
        setbfile(buf, bname, STR_new_ballots);
        unlink(buf);
        setbfile(buf, bname, STR_new_desc);
        unlink(buf);
        setbfile(buf, bname, STR_new_limited);
        unlink(buf);
        setbfile(buf, bname, STR_new_title);
        unlink(buf);
        }
        if (substitute_record(fn_board, fhp, sizeof(*fhp), pos) == -1)
        outs(err_board_update);

        return FULLUPDATE;
    } else if (genbuf[0] != 'm' || fhp->bvote >= 20)
        return FULLUPDATE;
    }
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    setbfile(buf, bname, STR_new_control);
    x = 0;
    while (x < 20 && (fp = fopen(buf, "r")) != NULL) { // TODO try access()
    fclose(fp);
    x++;
    snprintf(STR_new_control, sizeof(STR_new_control),
         "%s%d", STR_bv_control, x);
    setbfile(buf, bname, STR_new_control);
    }
    if (x >= 20)
    return FULLUPDATE;
    if (x) {
    snprintf(STR_new_ballots, sizeof(STR_new_ballots), "%s%d", STR_bv_ballots, x);
    snprintf(STR_new_control, sizeof(STR_new_control), "%s%d", STR_bv_control, x);
    snprintf(STR_new_desc, sizeof(STR_new_desc), "%s%d", STR_bv_desc, x);
    snprintf(STR_new_flags, sizeof(STR_new_flags), "%s%d", STR_bv_flags, x);
    snprintf(STR_new_comments, sizeof(STR_new_comments), "%s%d", STR_bv_comments, x);
    snprintf(STR_new_limited, sizeof(STR_new_limited), "%s%d", STR_bv_limited, x);
    snprintf(STR_new_title, sizeof(STR_new_title), "%s%d", STR_bv_title, x);
    } else {
    strlcpy(STR_new_ballots, STR_bv_ballots, sizeof(STR_new_ballots));
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_desc, STR_bv_desc, sizeof(STR_new_desc));
    strlcpy(STR_new_flags, STR_bv_flags, sizeof(STR_new_flags));
    strlcpy(STR_new_comments, STR_bv_comments, sizeof(STR_new_comments));
    strlcpy(STR_new_limited, STR_bv_limited, sizeof(STR_new_limited));
    strlcpy(STR_new_title, STR_bv_title, sizeof(STR_new_title));
    }
    clear();
    move(0, 0);
    prints("第 %d 號投票\n", x);
    setbfile(buf, bname, STR_new_title);
    getdata(4, 0, "請輸入投票名稱:", inbuf, 50, LCECHO);
    if (inbuf[0] == '\0')
    strlcpy(inbuf, "不知名的", sizeof(inbuf));
    fp = fopen(buf, "w");
    assert(fp);
    fprintf(fp, "%s", inbuf);
    fclose(fp);

    prints("按任何鍵開始編輯此次 [投票宗旨]");
    pressanykey();
    setbfile(buf, bname, STR_new_desc);
    aborted = vedit(buf, NA, NULL);
    if (aborted == -1) {
    clear();
    outs("取消此次投票");
    pressanykey();
    return FULLUPDATE;
    }
    aborted = 0;
    setbfile(buf, bname, STR_new_flags);
    unlink(buf);

    getdata(4, 0,
        "是否限定投票者名單:(y)編輯可投票人員名單[n]任何人皆可投票:[N]",
        inbuf, 2, LCECHO);
    setbfile(buf, bname, STR_new_limited);
    if (inbuf[0] == 'y') {
    fp = fopen(buf, "w");
    assert(fp);
    fprintf(fp, "此次投票設限");
    fclose(fp);
    friend_edit(FRIEND_CANVOTE);
    } else {
    if (dashf(buf))
        unlink(buf);
    }
    clear();
    getdata(0, 0, "此次投票進行幾天 (一到十天)?", inbuf, 4, DOECHO);

    closetime = atoi(inbuf);
    if (closetime <= 0)
    closetime = 1;
    else if (closetime > 10)
    closetime = 10;

    closetime = closetime * 86400 + now;
    setbfile(buf, bname, STR_new_control);
    fp = fopen(buf, "w");
    assert(fp);
    fprintf(fp, "00\n%lu\n", closetime);

    outs("\n請依序輸入選項, 按 ENTER 完成設定");
    num = 0;
    while (!aborted) {
    if( num % 15 == 0 ){
        for( i = num ; i < num + 15 ; ++i ){
        snprintf(buf, sizeof(buf), "\033[1;30m%c)\033[m ", i + 'A');
        move((i % 15) + 2, (i / 15) * 40);
        prints(buf);
        }
        refresh();
    }
    snprintf(buf, sizeof(buf), "%c) ", num + 'A');
    getdata((num % 15) + 2, (num / 15) * 40, buf,
        inbuf, 37, DOECHO);
    if (*inbuf) {
        fprintf(fp, "%1c) %s\n", (num + 'A'), inbuf);
        num++;
    }
    if ((*inbuf == '\0' && num >= 1) || num == 30)
        aborted = 1;
    }
    snprintf(buf, sizeof(buf), "請問每人最多可投幾票?([1]~%d): ", num);

    getdata(t_lines - 3, 0, buf, inbuf, 3, DOECHO);

    if (atoi(inbuf) <= 0 || atoi(inbuf) > num)
    strlcpy(inbuf, "1", sizeof(inbuf));

    rewind(fp);
    fprintf(fp, "%2d\n", MAX(1, atoi(inbuf)));
    fclose(fp);

    if (fhp->bvote == 2)
    fhp->bvote = 0;
    else if (fhp->bvote == 1)
    fhp->bvote = 2;
    else if (fhp->bvote == 2)
    fhp->bvote = 1;

    fhp->bvote++;

    if (substitute_record(fn_board, fhp, sizeof(*fhp), pos) == -1)
    outs(err_board_update);
    reset_board(pos);
    outs("開始投票了!");

    return FULLUPDATE;
}

static int
vote_flag(char *bname, int index, char val)
{
    char            buf[256], flag;
    int             fd, num, size;

    if (index)
    snprintf(STR_new_flags, sizeof(STR_new_flags), "%s%d", STR_bv_flags, index);
    else
    strlcpy(STR_new_flags, STR_bv_flags, sizeof(STR_new_flags));

    num = usernum - 1;
    setbfile(buf, bname, STR_new_flags);
    if ((fd = open(buf, O_RDWR | O_CREAT, 0600)) == -1)
    return -1;
    size = lseek(fd, 0, SEEK_END);
    memset(buf, 0, sizeof(buf));
    while (size <= num) {
    write(fd, buf, sizeof(buf));
    size += sizeof(buf);
    }
    lseek(fd, num, SEEK_SET);
    read(fd, &flag, 1);
    if (flag == 0 && val != 0) {
    lseek(fd, num, SEEK_SET);
    write(fd, &val, 1);
    }
    close(fd);
    return flag;
}

static int
same(char compare, char list[], int num)
{
    int             n;
    int             rep = 0;

    for (n = 0; n < num; n++) {
    if (compare == list[n])
        rep = 1;
    if (rep == 1)
        list[n] = list[n + 1];
    }
    return rep;
}

static int
user_vote_one(char *bname, int ind)
{
    FILE           *cfp, *fcm;
    char            buf[STRLEN];
    boardheader_t  *fhp;
    int             pos = 0, i = 0, count = 0, tickets, fd;
    char            inbuf[80], choices[31], vote[4], chosen[31];
    time_t          closetime;

    if (ind) {
    snprintf(STR_new_ballots, sizeof(STR_new_ballots), "%s%d", STR_bv_ballots, ind);
    snprintf(STR_new_control, sizeof(STR_new_control), "%s%d", STR_bv_control, ind);
    snprintf(STR_new_desc, sizeof(STR_new_desc), "%s%d", STR_bv_desc, ind);
    snprintf(STR_new_flags, sizeof(STR_new_flags),"%s%d", STR_bv_flags, ind);
    snprintf(STR_new_comments, sizeof(STR_new_comments), "%s%d", STR_bv_comments, ind);
    snprintf(STR_new_limited, sizeof(STR_new_limited), "%s%d", STR_bv_limited, ind);
    } else {
    strlcpy(STR_new_ballots, STR_bv_ballots, sizeof(STR_new_ballots));
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_desc, STR_bv_desc, sizeof(STR_new_desc));
    strlcpy(STR_new_flags, STR_bv_flags, sizeof(STR_new_flags));
    strlcpy(STR_new_comments, STR_bv_comments, sizeof(STR_new_comments));
    strlcpy(STR_new_limited, STR_bv_limited, sizeof(STR_new_limited));
    }

    setbfile(buf, bname, STR_new_control);
    cfp = fopen(buf, "r");
    if (!cfp)
    return FULLUPDATE;

    setbfile(buf, bname, STR_new_limited);  /* Ptt */
    if (dashf(buf)) {
    setbfile(buf, bname, FN_CANVOTE);
    if (!belong(buf, cuser.userid)) {
        fclose(cfp);
        outs("\n\n對不起! 這是私人投票..你並沒有受邀唷!");
        pressanykey();
        return FULLUPDATE;
    } else {
        outs("\n\n恭喜你受邀此次私人投票....<按任意鍵檢視此次受邀名單>");
        pressanykey();
        more(buf, YEA);
    }
    }
    if (vote_flag(bname, ind, '\0')) {
    outs("\n\n此次投票,你已投過了!");
    pressanykey();
    return FULLUPDATE;
    }
    setutmpmode(VOTING);
    setbfile(buf, bname, STR_new_desc);
    more(buf, YEA);

    stand_title("投票箱");
    if ((pos = getbnum(bname)) <= 0)
    return 0;

    fhp = bcache + pos - 1;
    fgets(inbuf, sizeof(inbuf), cfp);
    tickets = atoi(inbuf);
    fscanf(cfp, "%lu\n", &closetime);

    prints("投票方式:確定好您的選擇後,輸入其代碼(A, B, C...)即可。\n"
       "此次投票你可以投 %1d 票。"
       "按 0 取消投票 , 1 完成投票\n"
       "此次投票將結束於:%s \n",
       tickets, ctime(&closetime));
    move(5, 0);
    memset(choices, 0, sizeof(choices));
    memset(chosen, 0, sizeof(chosen));

    while (fgets(inbuf, sizeof(inbuf), cfp)) {
    move((count % 15) + 5, (count / 15) * 40);
    prints(" %s", strtok(inbuf, "\n\0"));
    choices[count++] = inbuf[0];
    }
    fclose(cfp);

    while (1) {
    vote[0] = vote[1] = '\0';
    move(t_lines - 2, 0);
    prints("你還可以投 %2d 票", tickets - i);
    getdata(t_lines - 4, 0, "輸入您的選擇: ", vote, sizeof(vote), DOECHO);
    *vote = toupper(*vote);
    if (vote[0] == '0' || (!vote[0] && !i)) {
        outs("記的再來投喔!!");
        break;
    } else if (vote[0] == '1' && i);
    else if (!vote[0])
        continue;
    else if (index(choices, vote[0]) == NULL)   /* 無效 */
        continue;
    else if (same(vote[0], chosen, i)) {
        move(((vote[0] - 'A') % 15) + 5, (((vote[0] - 'A')) / 15) * 40);
        prints(" ");
        i--;
        continue;
    } else {
        if (i == tickets)
        continue;
        chosen[i] = vote[0];
        move(((vote[0] - 'A') % 15) + 5, (((vote[0] - 'A')) / 15) * 40);
        prints("*");
        i++;
        continue;
    }

    if (vote_flag(bname, ind, vote[0]) != 0)
        prints("重複投票! 不予計票。");
    else {
        setbfile(buf, bname, STR_new_ballots);
        if ((fd = open(buf, O_WRONLY | O_CREAT | O_APPEND, 0600)) == 0)
        outs("無法投入票匭\n");
        else {
        struct stat     statb;
        char            buf[3], mycomments[3][74], b_comments[80];

        for (i = 0; i < 3; i++)
            strlcpy(mycomments[i], "\n", sizeof(mycomments[i]));

        flock(fd, LOCK_EX);
        for (count = 0; count < 31; count++) {
            if (chosen[count])
            write(fd, &chosen[count], 1);
        }
        flock(fd, LOCK_UN);
        fstat(fd, &statb);
        close(fd);
        getdata(b_lines - 2, 0,
            "您對這次投票有什麼寶貴的意見嗎?(y/n)[N]",
            buf, 3, DOECHO);
        if (buf[0] == 'Y' || buf[0] == 'y') {
            do {
            move(5, 0);
            clrtobot();
            outs("請問您對這次投票有什麼寶貴的意見?"
                 "最多三行,按[Enter]結束");
            for (i = 0; (i < 3) &&
                 getdata(7 + i, 0, ":",
                     mycomments[i], sizeof(mycomments[i]),
                     DOECHO); i++);
            getdata(b_lines - 2, 0, "(S)儲存 (E)重新來過 "
                "(Q)取消?[S]", buf, 3, LCECHO);
            } while (buf[0] == 'E' || buf[0] == 'e');
            if (buf[0] == 'Q' || buf[0] == 'q')
            break;
            setbfile(b_comments, bname, STR_new_comments);
            if (mycomments[0])
            if ((fcm = fopen(b_comments, "a"))) {
                fprintf(fcm,
                    "\033[36m○使用者\033[1;36m %s "
                    "\033[;36m的建議:\033[m\n",
                    cuser.userid);
                for (i = 0; i < 3; i++)
                fprintf(fcm, "    %s\n", mycomments[i]);
                fprintf(fcm, "\n");
                fclose(fcm);
            }
        }
        move(b_lines - 1, 0);
        prints("已完成投票!\n");
        }
    }
    break;
    }
    pressanykey();
    return FULLUPDATE;
}

static int
user_vote(char *bname)
{
    int             pos;
    boardheader_t  *fhp;
    char            buf[STRLEN];
    FILE           *fp, *xfp;
    int             i, x = -1;
    char            genbuf[STRLEN];
    char            inbuf[80];

    if ((pos = getbnum(bname)) <= 0)
    return 0;

    fhp = bcache + pos - 1;

    move(0, 0);
    clrtobot();

    if (fhp->bvote == 2 || fhp->bvote == 0) {
    outs("\n\n目前並沒有任何投票舉行。");
    pressanykey();
    return FULLUPDATE;
    }
    if (!HAS_PERM(PERM_LOGINOK)) {
    outs("\n對不起! 您未滿二十歲, 還沒有投票權喔!");
    pressanykey();
    return FULLUPDATE;
    }
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));
    strlcpy(STR_new_title, STR_bv_title, sizeof(STR_new_title));
    setbfile(buf, bname, STR_new_control);
    move(0, 0);
    if ((fp = fopen(buf, "r"))) {
    prints("(0) ");
    x = 0;
    fclose(fp);

    setbfile(buf, bname, STR_new_title);
    if ((xfp = fopen(buf, "r"))) {
        fgets(inbuf, sizeof(inbuf), xfp);
        fclose(xfp);
    } else
        strlcpy(inbuf, "無標題", sizeof(inbuf));
    prints("%s\n", inbuf);
    }
    for (i = 1; i < 20; i++) {
    snprintf(STR_new_control, sizeof(STR_new_control),
         "%s%d", STR_bv_control, i);
    snprintf(STR_new_title, sizeof(STR_new_title),
         "%s%d", STR_bv_title, i);
    setbfile(buf, bname, STR_new_control);
    if ((fp = fopen(buf, "r"))) {
        prints("(%d) ", i);
        x = i;
        fclose(fp);

        setbfile(buf, bname, STR_new_title);
        if ((xfp = fopen(buf, "r"))) {
        fgets(inbuf, sizeof(inbuf), xfp);
        fclose(xfp);
        } else
        strlcpy(inbuf, "無標題", sizeof(inbuf));
        prints("%s\n", inbuf);
    }
    }

    if (x < 0)
    return FULLUPDATE;

    snprintf(buf, sizeof(buf), "要投幾號投票 [%d] ", x);

    getdata(b_lines - 1, 0, buf, genbuf, 4, LCECHO);

    if (atoi(genbuf) < 0 || atoi(genbuf) > 20)
    snprintf(genbuf, sizeof(genbuf), "%d", x);

    if (genbuf[0] != '0')
    snprintf(STR_new_control, sizeof(STR_new_control),
         "%s%d", STR_bv_control, atoi(genbuf));
    else
    strlcpy(STR_new_control, STR_bv_control, sizeof(STR_new_control));

    setbfile(buf, bname, STR_new_control);

    if ((fp = fopen(buf, "r"))) { // TODO try access()
    fclose(fp);

    return user_vote_one(bname, atoi(genbuf));
    } else
    return FULLUPDATE;
}

static int
vote_results(char *bname)
{
    char            buf[STRLEN];

    setbfile(buf, bname, STR_bv_results);
    if (more(buf, YEA) == -1)
    outs("\n目前沒有任何投票的結果。");
    return FULLUPDATE;
}

int
b_vote_maintain()
{
    return vote_maintain(currboard);
}

int
b_vote()
{
    return user_vote(currboard);
}

int
b_results()
{
    return vote_results(currboard);
}