software/RELEASES/ircservices/achurch.org/services/lists/ircservices-coding/2002/000087.html

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  14    <H1>[IRCServices Coding] svcs5 - request</H1>
  15     <B>v13 at priest.com</B>
  16     <A HREF="mailto:ircservices-coding%40ircservices.za.net?Subject=%5BIRCServices%20Coding%5D%20svcs5%20-%20request&In-Reply-To="
  17        TITLE="[IRCServices Coding] svcs5 - request">v13 at priest.com
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  19     <I>Sun Jan  6 05:52:14 PST 2002</I>
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  33 <!--beginarticle-->
  34 <PRE> If you realy want other people to write useful modules, then it should be
  35 possible for each module to extend the NickServ and ChanServ (and even the
  36 others) databases. I suppose that having a:
  37
  38 struct ext_list {
  39         struct ext_list *prev, *next;
  40         long            id;
  41         size_t          size;
  42         void            *buf;
  43 };
  44
  45 that will form a list for each nickname/channel whould be what we need. It
  46 should be easy to save it using the existing database format.
  47 Also by providing some functions like:
  48
  49 struct ext_list *get_extlist_memb(struct ext_list *head, long id);
  50
  51 void update_extlist_memb(struct ext_list **head, long id, size_t size,
  52                         void *buf);
  53
  54 /* and one for delete */
  55
  56 it should be very easy to handle it.
  57
  58 Each module will only need to have a fixed unique integer to use and it will
  59 need only one field to be added to struct NickInfo etc.. like:
  60
  61 struct NickInfo {
  62         ...
  63         struct ext_list *head;
  64 };
  65
  66 and after that..
  67
  68 /**********************************************/
  69
  70 #define MY_ID   0x1234
  71
  72         struct NickInfo *ni;
  73         struct ext_list *el;
  74
  75         ...code...
  76
  77         update_extlist_memb( &amp;(ni-&gt;head), MY_ID, 7, &quot;RANDOM&quot; );
  78
  79         ...code...
  80
  81         el=get_extlist_memb(ni-&gt;head, MY_ID);
  82
  83         /* and there we have el==NULL or el-&gt;buf == &quot;RANDOM&quot; */
  84
  85 /**********************************************/
  86
  87 Something like this whould *REALY* help to add functionality without changing
  88 existing code, without creating another database and will be compatible to
  89 future versions.
  90
  91 TIA
  92 &lt;&lt;V13&gt;&gt;
  93
  94 </PRE>
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