newsearch/ns-channel.c

   1 /*
   2  * CHANNEL functionality
   3  */
   4
   5 #include "newsearch.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 #include "../channel/channel.h"
  11
  12 void *channel_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
  13 void channel_free(searchCtx *ctx, struct searchNode *thenode);
  14
  15 struct searchNode *channel_parse(searchCtx *ctx, int argc, char **argv) {
  16   struct searchNode *thenode, *convsn;
  17   chanindex *cip;
  18   char *p;
  19
  20   if (argc<1) {
  21     parseError = "channel: usage: channel <channel name>";
  22     return NULL;
  23   }
  24
  25   if (!(convsn=argtoconststr("channel", ctx, argv[0], &p)))
  26     return NULL;
  27
  28   cip=findorcreatechanindex(p);
  29   convsn->free(ctx, convsn);
  30
  31   if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) {
  32     parseError = "malloc: could not allocate memory for this search.";
  33     return NULL;
  34   }
  35
  36   thenode->returntype = RETURNTYPE_BOOL;
  37   thenode->localdata = cip;
  38   thenode->exe = channel_exe;
  39   thenode->free = channel_free;
  40
  41   return thenode;
  42 }
  43
  44 void *channel_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  45   nick *np = (nick *)theinput;
  46   chanindex *cip = thenode->localdata;
  47   channel *cp;
  48   whowas *ww;
  49   int i;
  50
  51   if (ctx->searchcmd == reg_nicksearch) {
  52     cp = cip->channel;
  53
  54     if (!cp)
  55       return (void *)0;
  56
  57     if (getnumerichandlefromchanhash(cp->users, np->numeric))
  58       return (void *)1;
  59   } else {
  60     ww = (whowas *)np->next; /* Eww. */
  61
  62     for (i = 0; i < WW_MAXCHANNELS; i++)
  63       if (ww->channels[i] == cip)
  64         return (void *)1;
  65   }
  66
  67   return (void *)0;
  68 }
  69
  70 void channel_free(searchCtx *ctx, struct searchNode *thenode) {
  71   releasechanindex(thenode->localdata);
  72   free(thenode);
  73 }
  74