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/*************************************************************************** |
/* SPDX-License-Identifier: GPL-3.0-or-later */ |
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menu.c - description |
/* |
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------------------- |
* menu |
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Copyright : (C) 2004-2025 by Leaflet |
* - configurable user interactive menu feature |
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Email : leaflet@leafok.com |
* |
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***************************************************************************/ |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com> |
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*/ |
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/*************************************************************************** |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 3 of the License, or * |
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* (at your option) any later version. * |
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* * |
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***************************************************************************/ |
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#include "bbs.h" |
#include "bbs.h" |
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#include "bbs_cmd.h" |
#include "bbs_cmd.h" |
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#include <sys/ipc.h> |
#include <sys/ipc.h> |
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#include <sys/shm.h> |
#include <sys/shm.h> |
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#define MENU_SCREEN_PATH_PREFIX "var/MENU_SCR_" |
enum _menu_constant_t |
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#define MENU_CONF_DELIM_WITH_SPACE " ,\t\r\n" |
{ |
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#define MENU_CONF_DELIM_WITHOUT_SPACE "\r\n" |
MENU_SET_RESERVED_LENGTH = sizeof(int16_t) * 4, |
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MENU_SHMGET_RETRY_LIMIT = 10, |
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#define MENU_SET_RESERVED_LENGTH (sizeof(int16_t) * 4) |
}; |
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#define MENU_SHMGET_RETRY_LIMIT 3 |
static const char MENU_CONF_DELIM_WITH_SPACE[] = " ,\t\r\n"; |
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static const char MENU_CONF_DELIM_WITHOUT_SPACE[] = "\r\n"; |
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MENU_SET bbs_menu; |
MENU_SET bbs_menu; |
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MENU_SET top10_menu; |
MENU_SET top10_menu; |
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key = ftok(conf_file, proj_id + retry_cnt); |
key = ftok(conf_file, proj_id + retry_cnt); |
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if (key == -1) |
if (key == -1) |
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{ |
{ |
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log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id, errno); |
log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id + retry_cnt, errno); |
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return -2; |
return -3; |
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} |
} |
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p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600); |
p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600); |
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if (p_menu_set->shmid == -1) |
if (p_menu_set->shmid == -1) |
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{ |
{ |
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if (errno != EEXIST || retry_cnt + 1 >= MENU_SHMGET_RETRY_LIMIT) |
if (errno != EEXIST || retry_cnt + 1 >= MENU_SHMGET_RETRY_LIMIT) |
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{ |
{ |
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log_error("shmget(conf_file=%s, size=%d) error (%d) %d times\n", |
log_error("shmget(conf_file=%s, size=%d) error (%d) %d times\n", |
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conf_file, size, errno, retry_cnt + 1); |
conf_file, size, errno, retry_cnt + 1); |
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break; |
return -3; |
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} |
} |
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#ifdef _DEBUG |
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log_error("shmget(conf_file=%s, proj_id=%d, key=0x%x, size=%d) error (%d), retry ...\n", |
log_error("shmget(conf_file=%s, proj_id=%d, key=0x%x, size=%d) error (%d), retry ...\n", |
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conf_file, proj_id + retry_cnt, key, size, errno); |
conf_file, proj_id + retry_cnt, key, size, errno); |
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#endif |
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retry_cnt++; |
retry_cnt++; |
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} |
} |
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} while (p_menu_set->shmid == -1); |
} while (p_menu_set->shmid == -1); |
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detach_menu_shm(p_menu_set); |
detach_menu_shm(p_menu_set); |
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if (shmctl(shmid, IPC_RMID, NULL) == -1) |
if (shmid != 0 && shmctl(shmid, IPC_RMID, NULL) == -1) |
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{ |
{ |
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log_error("shmctl(shmid=%d, IPC_RMID) error (%d)\n", shmid, errno); |
log_error("shmctl(shmid=%d, IPC_RMID) error (%d)\n", shmid, errno); |
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return -1; |
return -1; |