chanstats/chanstatshash.c

   1
   2 #include "chanstats.h"
   3 #include "../lib/irc_string.h"
   4 #include "../irc/irc_config.h"
   5
   6 #define chanstatshash(x) (crc32i(x)%CHANSTATSHASHSIZE)
   7
   8 /*
   9  * findchanstats:
  10  *  Returns a chanstats * for the given channel name.
  11  *  Creates if necessary.
  12  */
  13
  14 chanstats *findchanstats(const char *channame) {
  15   chanstats *csp;
  16   unsigned int hash;
  17
  18   hash=chanstatshash(channame);
  19
  20   for (csp=chanstatstable[hash];csp;csp=csp->next) {
  21     if (!ircd_strcmp(channame,csp->name->content)) {
  22       return csp;
  23     }
  24   }
  25
  26   /* It didn't match, create a new one */
  27   csp=getchanstats();
  28   memset(csp,0,sizeof(chanstats));
  29   csp->name=getsstring(channame,CHANNELLEN);
  30
  31   csp->next=chanstatstable[hash];
  32   chanstatstable[hash]=csp;
  33
  34   return csp;
  35 }
  36
  37 /*
  38  * findchanstatsifexists:
  39  *  Returns a chanstats * for the given channel name.
  40  *  Returns NULL if there are no stats.
  41  */
  42
  43 chanstats *findchanstatsifexists(const char *channame) {
  44   chanstats *csp;
  45   unsigned int hash;
  46
  47   hash=chanstatshash(channame);
  48
  49   for (csp=chanstatstable[hash];csp;csp=csp->next) {
  50     if (!ircd_strcmp(channame,csp->name->content)) {
  51       return csp;
  52     }
  53   }
  54
  55   return NULL;
  56 }
  57
  58
  59