newsearch/ns-oppct.c

   1 /*
   2  * oppct functionality
   3  */
   4
   5 #include "newsearch.h"
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 struct oppct_localdata {
  11   long pct;
  12 };
  13
  14 void *oppct_exe(struct searchNode *thenode, int type, void *theinput);
  15 void oppct_free(struct searchNode *thenode);
  16
  17 struct searchNode *oppct_parse(int type, int argc, char **argv) {
  18   struct oppct_localdata *localdata;
  19   struct searchNode *thenode;
  20
  21   if (type != SEARCHTYPE_CHANNEL) {
  22     parseError = "oppct: this function is only valid for channel searches.";
  23     return NULL;
  24   }
  25
  26   if (argc!=1) {
  27     parseError="oppct: usage: (oppct number)";
  28     return NULL;
  29   }
  30
  31   if (!(localdata=(struct oppct_localdata *)malloc(sizeof(struct oppct_localdata)))) {
  32     parseError = "malloc: could not allocate memory for this search.";
  33     return NULL;
  34   }
  35
  36   localdata->pct = strtoul(argv[0],NULL,10);
  37
  38   if (!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) {
  39     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  40     parseError = "malloc: could not allocate memory for this search.";
  41     free(localdata);
  42     return NULL;
  43   }
  44
  45   thenode->returntype = RETURNTYPE_BOOL;
  46   thenode->localdata = localdata;
  47   thenode->exe = oppct_exe;
  48   thenode->free = oppct_free;
  49
  50   return thenode;
  51 }
  52
  53 void *oppct_exe(struct searchNode *thenode, int type, void *theinput) {
  54   int nonop;
  55   int i;
  56   chanindex *cip = (chanindex *)theinput;
  57   struct oppct_localdata *localdata;
  58
  59   localdata = thenode->localdata;
  60
  61   if (cip->channel==NULL)
  62     return falseval(type);
  63
  64   nonop=(cip->channel->users->totalusers)-((cip->channel->users->totalusers*localdata->pct)/100);
  65
  66   for (i=0;i<cip->channel->users->hashsize;i++) {
  67     if (cip->channel->users->content[i]!=nouser) {
  68       if (!(cip->channel->users->content[i] & CUMODE_OP)) {
  69         if (!nonop--) {
  70           return falseval(type);
  71         }
  72       }
  73     }
  74   }
  75
  76   return trueval(type);
  77 }
  78
  79 void oppct_free(struct searchNode *thenode) {
  80   free(thenode->localdata);
  81   free(thenode);
  82 }
  83