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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* user_list_display
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* - user interactive list of (online) users
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*
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* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "common.h"
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#include "io.h"
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#include "log.h"
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#include "login.h"
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#include "screen.h"
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#include "str_process.h"
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#include "user_list.h"
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#include "user_priv.h"
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#include "user_info_display.h"
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#include "user_list_display.h"
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#include <ctype.h>
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#include <string.h>
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#include <time.h>
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#include <sys/param.h>
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enum select_cmd_t
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{
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EXIT_LIST = 0,
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VIEW_USER,
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CHANGE_PAGE,
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REFRESH_LIST,
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SHOW_HELP,
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SEARCH_USER,
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};
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static int user_list_draw_screen(int online_user)
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{
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clearscr();
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show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
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moveto(2, 0);
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prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
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"查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 查找[\033[1;32ms\033[0;37m] "
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"帮助[\033[1;32mh\033[0;37m]\033[m");
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moveto(3, 0);
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if (online_user)
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{
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prints("\033[44;37m \033[1;37m 编 号 用户名 昵称 在线时长 空闲 最后活动 \033[m");
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}
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else
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{
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prints("\033[44;37m \033[1;37m 编 号 用户名 昵称 上次登陆距今 \033[m");
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}
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return 0;
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}
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static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
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{
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char str_time_login[LINE_BUFFER_LEN];
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time_t tm_now;
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time_t tm_duration;
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struct tm *p_tm;
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int i;
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clrline(4, 23);
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time(&tm_now);
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for (i = 0; i < user_count; i++)
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{
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tm_duration = tm_now - p_users[i].last_login_dt;
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p_tm = gmtime(&tm_duration);
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if (p_tm == NULL)
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{
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log_error("Invalid time duration\n");
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str_time_login[0] = '\0';
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}
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else if (p_tm->tm_year > 70)
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d年%d天", p_tm->tm_year - 70, p_tm->tm_yday);
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}
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else if (p_tm->tm_yday > 0)
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d天", p_tm->tm_yday);
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}
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else if (p_tm->tm_hour > 0)
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
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}
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else
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
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}
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moveto(4 + i, 1);
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prints(" %6d %s%*s %s%*s %s",
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p_users[i].id + 1,
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p_users[i].username,
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BBS_username_max_len - str_length(p_users[i].username, 1),
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"",
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p_users[i].nickname,
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BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
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"",
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str_time_login);
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}
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return 0;
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}
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static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
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{
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char str_time_login[LINE_BUFFER_LEN];
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char str_time_idle[LINE_BUFFER_LEN];
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const char *p_action_title;
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time_t tm_now;
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time_t tm_duration;
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struct tm *p_tm;
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int i;
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clrline(4, 23);
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time(&tm_now);
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for (i = 0; i < user_count; i++)
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{
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tm_duration = tm_now - p_users[i].login_tm;
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p_tm = gmtime(&tm_duration);
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if (p_tm == NULL)
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{
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log_error("Invalid time duration\n");
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str_time_login[0] = '\0';
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}
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else if (p_tm->tm_yday > 0)
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%dd%dh", p_tm->tm_yday, p_tm->tm_hour);
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}
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else if (p_tm->tm_hour > 0)
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
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}
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else
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{
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snprintf(str_time_login, sizeof(str_time_login),
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"%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
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}
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tm_duration = tm_now - p_users[i].last_tm;
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p_tm = gmtime(&tm_duration);
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if (p_tm == NULL)
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{
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log_error("Invalid time duration\n");
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str_time_idle[0] = '\0';
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}
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else if (p_tm->tm_min > 0)
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{
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snprintf(str_time_idle, sizeof(str_time_idle),
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"%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
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}
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else
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{
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snprintf(str_time_idle, sizeof(str_time_idle),
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"%d\"", p_tm->tm_sec);
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}
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p_action_title = (p_users[i].current_action_title != NULL
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? p_users[i].current_action_title
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: p_users[i].current_action);
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moveto(4 + i, 1);
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prints(" %6d %s%*s %s%*s %s%*s %s%*s %s",
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p_users[i].id + 1,
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p_users[i].user_info.username,
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BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
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"",
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p_users[i].user_info.nickname,
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BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
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"",
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str_time_login,
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8 - str_length(str_time_login, 1),
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"",
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str_time_idle,
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6 - str_length(str_time_idle, 1),
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"",
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p_action_title);
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}
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return 0;
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}
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static enum select_cmd_t user_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
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{
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int old_page_id = *p_page_id;
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int old_selected_index = *p_selected_index;
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int ch;
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if (item_count > 0 && *p_selected_index >= 0)
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{
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moveto(4 + *p_selected_index, 1);
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outc('>');
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iflush();
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}
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while (!SYS_server_exit)
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{
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ch = igetch(100);
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if (ch != KEY_NULL && ch != KEY_TIMEOUT)
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{
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BBS_last_access_tm = time(NULL);
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// Refresh current action
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if (user_online_update(NULL) < 0)
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{
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log_error("user_online_update(NULL) error\n");
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}
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}
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switch (ch)
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{
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case KEY_NULL: // broken pipe
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#ifdef _DEBUG
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log_error("KEY_NULL\n");
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#endif
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case KEY_ESC:
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case KEY_LEFT:
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return EXIT_LIST; // exit list
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case KEY_TIMEOUT:
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if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
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{
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log_error("User input timeout\n");
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return EXIT_LIST; // exit list
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}
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continue;
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case CR:
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case KEY_RIGHT:
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if (item_count > 0)
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{
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return VIEW_USER;
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}
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break;
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case KEY_HOME:
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*p_page_id = 0;
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case 'P':
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case KEY_PGUP:
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*p_selected_index = 0;
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case 'k':
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case KEY_UP:
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if (*p_selected_index <= 0)
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{
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if (*p_page_id > 0)
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{
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(*p_page_id)--;
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*p_selected_index = BBS_user_limit_per_page - 1;
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}
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else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
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{
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if (total_page > 0)
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{
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*p_page_id = total_page - 1;
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}
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if (item_count > 0)
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{
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*p_selected_index = item_count - 1;
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}
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}
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}
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else
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{
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(*p_selected_index)--;
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}
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break;
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case '$':
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case KEY_END:
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if (total_page > 0)
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{
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*p_page_id = total_page - 1;
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}
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case 'N':
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case KEY_PGDN:
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if (item_count > 0)
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{
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*p_selected_index = item_count - 1;
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}
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case 'j':
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case KEY_DOWN:
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if (*p_selected_index + 1 >= item_count) // next page
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{
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if (*p_page_id + 1 < total_page)
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{
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(*p_page_id)++;
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*p_selected_index = 0;
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}
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else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
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{
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*p_page_id = 0;
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*p_selected_index = 0;
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}
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}
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else
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{
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(*p_selected_index)++;
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}
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break;
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case 's':
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return SEARCH_USER;
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case KEY_F5:
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return REFRESH_LIST;
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case 'h':
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return SHOW_HELP;
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default:
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break;
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}
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if (old_page_id != *p_page_id)
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{
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return CHANGE_PAGE;
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}
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if (item_count > 0 && old_selected_index != *p_selected_index)
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{
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if (old_selected_index >= 0)
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{
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moveto(4 + old_selected_index, 1);
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outc(' ');
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}
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if (*p_selected_index >= 0)
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{
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moveto(4 + *p_selected_index, 1);
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outc('>');
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}
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iflush();
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old_selected_index = *p_selected_index;
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}
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}
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return EXIT_LIST;
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}
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int user_list_display(int online_user)
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{
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char page_info_str[LINE_BUFFER_LEN];
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USER_INFO users[BBS_user_limit_per_page];
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USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
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int user_count = 0;
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| 357 |
int page_count = 0;
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int page_id = 0;
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int selected_index = 0;
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int ret = 0;
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user_list_draw_screen(online_user);
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if (online_user)
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{
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ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
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| 367 |
if (ret < 0)
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{
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log_error("query_user_online_list(page_id=%d) error\n", page_id);
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return -2;
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}
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}
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else
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{
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| 375 |
ret = query_user_list(page_id, users, &user_count, &page_count);
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| 376 |
if (ret < 0)
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| 377 |
{
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| 378 |
log_error("query_user_list(page_id=%d) error\n", page_id);
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| 379 |
return -2;
|
| 380 |
}
|
| 381 |
}
|
| 382 |
|
| 383 |
if (user_count == 0) // empty list
|
| 384 |
{
|
| 385 |
selected_index = 0;
|
| 386 |
}
|
| 387 |
|
| 388 |
while (!SYS_server_exit)
|
| 389 |
{
|
| 390 |
if (online_user)
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| 391 |
{
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| 392 |
ret = user_online_list_draw_items(page_id, online_users, user_count);
|
| 393 |
if (ret < 0)
|
| 394 |
{
|
| 395 |
log_error("user_online_list_draw_items(page_id=%d) error\n", page_id);
|
| 396 |
return -3;
|
| 397 |
}
|
| 398 |
}
|
| 399 |
else
|
| 400 |
{
|
| 401 |
ret = user_list_draw_items(page_id, users, user_count);
|
| 402 |
if (ret < 0)
|
| 403 |
{
|
| 404 |
log_error("user_list_draw_items(page_id=%d) error\n", page_id);
|
| 405 |
return -3;
|
| 406 |
}
|
| 407 |
}
|
| 408 |
|
| 409 |
snprintf(page_info_str, sizeof(page_info_str),
|
| 410 |
"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
|
| 411 |
page_id + 1, MAX(page_count, 1));
|
| 412 |
|
| 413 |
show_bottom(page_info_str);
|
| 414 |
iflush();
|
| 415 |
|
| 416 |
if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
|
| 417 |
{
|
| 418 |
log_error("user_online_update(%s) error\n",
|
| 419 |
(online_user ? "USER_ONLINE" : "USER_LIST"));
|
| 420 |
}
|
| 421 |
|
| 422 |
ret = user_list_select(page_count, user_count, &page_id, &selected_index);
|
| 423 |
switch (ret)
|
| 424 |
{
|
| 425 |
case EXIT_LIST:
|
| 426 |
return 0;
|
| 427 |
case REFRESH_LIST:
|
| 428 |
case CHANGE_PAGE:
|
| 429 |
if (online_user)
|
| 430 |
{
|
| 431 |
ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
|
| 432 |
if (ret < 0)
|
| 433 |
{
|
| 434 |
log_error("query_user_online_list(page_id=%d) error\n", page_id);
|
| 435 |
return -2;
|
| 436 |
}
|
| 437 |
}
|
| 438 |
else
|
| 439 |
{
|
| 440 |
ret = query_user_list(page_id, users, &user_count, &page_count);
|
| 441 |
if (ret < 0)
|
| 442 |
{
|
| 443 |
log_error("query_user_list(page_id=%d) error\n", page_id);
|
| 444 |
return -2;
|
| 445 |
}
|
| 446 |
}
|
| 447 |
|
| 448 |
if (user_count == 0) // empty list
|
| 449 |
{
|
| 450 |
selected_index = 0;
|
| 451 |
}
|
| 452 |
else if (selected_index >= user_count)
|
| 453 |
{
|
| 454 |
selected_index = user_count - 1;
|
| 455 |
}
|
| 456 |
break;
|
| 457 |
case VIEW_USER:
|
| 458 |
user_info_display(online_user ? &(online_users[selected_index].user_info) : &(users[selected_index]));
|
| 459 |
user_list_draw_screen(online_user);
|
| 460 |
break;
|
| 461 |
case SEARCH_USER:
|
| 462 |
user_list_search();
|
| 463 |
user_list_draw_screen(online_user);
|
| 464 |
break;
|
| 465 |
case SHOW_HELP:
|
| 466 |
// Display help information
|
| 467 |
display_file(DATA_READ_HELP, 1);
|
| 468 |
user_list_draw_screen(online_user);
|
| 469 |
break;
|
| 470 |
default:
|
| 471 |
log_error("Unknown command %d\n", ret);
|
| 472 |
}
|
| 473 |
}
|
| 474 |
|
| 475 |
return 0;
|
| 476 |
}
|
| 477 |
|
| 478 |
int user_list_search(void)
|
| 479 |
{
|
| 480 |
const int users_per_line = 5;
|
| 481 |
const int max_user_lines = 20;
|
| 482 |
const int max_user_cnt = users_per_line * max_user_lines + 1;
|
| 483 |
|
| 484 |
char username[BBS_username_max_len + 1];
|
| 485 |
int32_t uid_list[max_user_cnt];
|
| 486 |
char username_list[max_user_cnt][BBS_username_max_len + 1];
|
| 487 |
int ret;
|
| 488 |
int i;
|
| 489 |
USER_INFO user_info;
|
| 490 |
char user_intro[BBS_user_intro_max_len + 1];
|
| 491 |
int ok;
|
| 492 |
int ch;
|
| 493 |
|
| 494 |
username[0] = '\0';
|
| 495 |
|
| 496 |
clearscr();
|
| 497 |
|
| 498 |
while (!SYS_server_exit)
|
| 499 |
{
|
| 500 |
clrline(3, SCREEN_ROWS);
|
| 501 |
get_data(2, 1, "查找谁: ", username, sizeof(username), BBS_username_max_len);
|
| 502 |
|
| 503 |
if (username[0] == '\0')
|
| 504 |
{
|
| 505 |
return 0;
|
| 506 |
}
|
| 507 |
|
| 508 |
// Verify format
|
| 509 |
for (i = 0, ok = 1; ok && username[i] != '\0'; i++)
|
| 510 |
{
|
| 511 |
if (!(isalpha((int)username[i]) || (i > 0 && (isdigit((int)username[i]) || username[i] == '_'))))
|
| 512 |
{
|
| 513 |
ok = 0;
|
| 514 |
}
|
| 515 |
}
|
| 516 |
if (ok && i > BBS_username_max_len)
|
| 517 |
{
|
| 518 |
ok = 0;
|
| 519 |
}
|
| 520 |
if (!ok)
|
| 521 |
{
|
| 522 |
moveto(3, 1);
|
| 523 |
clrtoeol();
|
| 524 |
prints("用户名格式非法");
|
| 525 |
continue;
|
| 526 |
}
|
| 527 |
|
| 528 |
clrline(3, SCREEN_ROWS);
|
| 529 |
|
| 530 |
ret = query_user_info_by_username(username, max_user_cnt, uid_list, username_list);
|
| 531 |
|
| 532 |
if (ret < 0)
|
| 533 |
{
|
| 534 |
log_error("query_user_info_by_username(%s) error\n", username);
|
| 535 |
return -1;
|
| 536 |
}
|
| 537 |
else if (ret > 1)
|
| 538 |
{
|
| 539 |
for (i = 0; i < MIN(ret, users_per_line * max_user_lines); i++)
|
| 540 |
{
|
| 541 |
moveto(4 + i / users_per_line, 3 + i % users_per_line * (BBS_username_max_len + 3));
|
| 542 |
prints("%s", username_list[i]);
|
| 543 |
}
|
| 544 |
moveto(SCREEN_ROWS, 1);
|
| 545 |
if (ret > users_per_line * max_user_lines)
|
| 546 |
{
|
| 547 |
prints("还有更多...");
|
| 548 |
}
|
| 549 |
|
| 550 |
moveto(3, 1);
|
| 551 |
prints("存在多个匹配的用户，按\033[1;33mEnter\033[m精确查找");
|
| 552 |
iflush();
|
| 553 |
|
| 554 |
ch = igetch_t(BBS_max_user_idle_time);
|
| 555 |
switch (ch)
|
| 556 |
{
|
| 557 |
case KEY_NULL:
|
| 558 |
case KEY_TIMEOUT:
|
| 559 |
return -1;
|
| 560 |
case KEY_ESC:
|
| 561 |
return 0;
|
| 562 |
case CR:
|
| 563 |
ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
|
| 564 |
break;
|
| 565 |
default:
|
| 566 |
i = (int)strnlen(username, sizeof(username) - 1);
|
| 567 |
if (i + 1 <= BBS_username_max_len && (isalnum(ch) || ch == '_'))
|
| 568 |
{
|
| 569 |
username[i] = (char)ch;
|
| 570 |
username[i + 1] = '\0';
|
| 571 |
}
|
| 572 |
continue;
|
| 573 |
}
|
| 574 |
}
|
| 575 |
|
| 576 |
clrline(3, SCREEN_ROWS);
|
| 577 |
if (ret == 0)
|
| 578 |
{
|
| 579 |
moveto(3, 1);
|
| 580 |
prints("没有找到符合条件的用户");
|
| 581 |
press_any_key();
|
| 582 |
return 0;
|
| 583 |
}
|
| 584 |
else // ret == 1
|
| 585 |
{
|
| 586 |
if (query_user_info_by_uid(uid_list[0], &user_info, user_intro, sizeof(user_intro)) <= 0)
|
| 587 |
{
|
| 588 |
log_error("query_user_info_by_uid(uid=%d) error\n", uid_list[0]);
|
| 589 |
return -2;
|
| 590 |
}
|
| 591 |
else if (user_info_display(&user_info) < 0)
|
| 592 |
{
|
| 593 |
log_error("user_info_display(uid=%d) error\n", uid_list[0]);
|
| 594 |
return -3;
|
| 595 |
}
|
| 596 |
return 1;
|
| 597 |
}
|
| 598 |
}
|
| 599 |
|
| 600 |
return 0;
|
| 601 |
}
|
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| 
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