/[LeafOK_CVS]/lbbs/include/section_list.h
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Contents of /lbbs/include/section_list.h

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Revision 1.4 - (show annotations)
Wed May 21 12:43:04 2025 UTC (9 months, 3 weeks ago) by sysadm
Branch: MAIN
Changes since 1.3: +7 -3 lines
Content type: text/x-chdr
Add bi-directional list for section articles

1 /***************************************************************************
2 section_list.h - description
3 -------------------
4 Copyright : (C) 2004-2025 by Leaflet
5 Email : leaflet@leafok.com
6 ***************************************************************************/
7
8 /***************************************************************************
9 * *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 3 of the License, or *
13 * (at your option) any later version. *
14 * *
15 ***************************************************************************/
16
17 #include "common.h"
18 #include "bbs.h"
19
20 #define BBS_article_title_max_len 80
21
22 // Limit of articles (including those marked as deleted) per section = BBS_article_limit_per_block * BBS_article_block_limit_per_section
23 #define BBS_article_limit_per_block 1000
24 #define BBS_article_block_limit_per_section 50
25
26 struct article_t
27 {
28 int32_t aid;
29 int32_t tid;
30 int32_t cid;
31 int32_t uid;
32 struct article_t *p_prior; // prior article
33 struct article_t *p_next; // next article
34 struct article_t * p_topic_prior; // same topic
35 struct article_t * p_topic_next; // same topic
36 int8_t visible;
37 int8_t excerption;
38 int8_t ontop;
39 int8_t lock;
40 char username[BBS_username_max_len + 1];
41 char nickname[BBS_nickname_max_len + 1];
42 char title[BBS_article_title_max_len + 1];
43 };
44 typedef struct article_t ARTICLE;
45
46 struct article_block_t
47 {
48 ARTICLE articles[BBS_article_limit_per_block];
49 int32_t article_count;
50 struct article_block_t *p_next_block;
51 };
52 typedef struct article_block_t ARTICLE_BLOCK;
53
54 struct section_data_t
55 {
56 int32_t sid;
57 char sname[BBS_section_name_max_len + 1];
58 char stitle[BBS_section_title_max_len + 1];
59 char master_name[BBS_username_max_len + 1];
60 ARTICLE_BLOCK *p_head_block;
61 ARTICLE_BLOCK *p_tail_block;
62 ARTICLE_BLOCK *p_block[BBS_article_block_limit_per_section];
63 int32_t block_count;
64 int32_t block_head_aid[BBS_article_block_limit_per_section];
65 int32_t article_count;
66 int32_t delete_count;
67 ARTICLE *p_article_head;
68 ARTICLE *p_article_tail;
69 };
70 typedef struct section_data_t SECTION_DATA;
71
72 extern int section_data_pool_init(const char *filename, int article_block_count);
73 extern void section_data_pool_cleanup(void);
74
75 extern SECTION_DATA *section_data_create(const char *sname, const char *stitle, const char *master_name);
76 extern int section_data_free_block(SECTION_DATA *p_section);
77 extern SECTION_DATA *section_data_find_section_by_name(const char *sname);
78
79 extern int section_data_append_article(SECTION_DATA *p_section, const ARTICLE *p_article_src);
80 extern ARTICLE *section_data_find_article_by_aid(SECTION_DATA *p_section, int32_t aid);
81 extern ARTICLE *section_data_find_article_by_index(SECTION_DATA *p_section, int index);
82 extern int section_data_mark_del_article(SECTION_DATA *p_section, int32_t aid);

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