5 static struct ChanNode **chanList;
13 1 46 *everything else*
14 ---------------------------
17 chanList = calloc(47, sizeof(*chanList));
20 int is_valid_chan(const char *name) {
24 for (ii=1; name[ii]; ++ii) {
25 if ((name[ii] > 0) && (name[ii] <= 32))
29 if (name[ii] == '\xa0')
35 static int get_chanlist_entry(int name) {
36 if((name > 0 && name <= 32) || name == ',' || name == '\xa0') return -1; //invalid name
37 if(tolower(name) >= 97 && tolower(name) <= 122) {
38 return (tolower(name) - 97);
40 if(tolower(name) >= 48 && tolower(name) <= 57) {
41 return (tolower(name) - 48 + 26);
44 if(name == '{') return 36;
45 if(name == '|') return 37;
46 if(name == '}') return 38;
47 if(name == '~') return 39;
48 if(name == '[') return 40;
49 if(name == '\\') return 41;
50 if(name == ']') return 42;
51 if(name == '^') return 43;
52 if(name == '_') return 44;
53 if(name == '`') return 45;
57 struct ChanNode* getChanByName(const char *name) { //case insensitive
58 int chanListIndex = get_chanlist_entry(name[1]);
59 if(chanListIndex == -1 || chanList[chanListIndex] == NULL)
61 struct ChanNode *chan;
62 for(chan = chanList[chanListIndex]; chan; chan = chan->next) {
63 if(!stricmp(name, chan->name))
69 struct ChanNode* addChannel(const char *name) {
70 int chanListIndex = get_chanlist_entry(name[1]);
71 if(chanListIndex == -1 || !is_valid_chan(name))
73 struct ChanNode *chan = malloc(sizeof(*chan));
76 perror("malloc() failed");
79 strcpy(chan->name, name);
83 chan->next = chanList[chanListIndex];
84 chanList[chanListIndex] = chan;
88 void delChannel(struct ChanNode* chan, int freeChan) {
89 int chanListIndex = get_chanlist_entry(chan->name[1]);
90 if(chanListIndex == -1) return;
91 struct ChanNode *cchan, *last_chan = NULL;
92 for(cchan = chanList[chanListIndex]; cchan; cchan = cchan->next) {
95 last_chan->next = chan->next;
97 chanList[chanListIndex] = chan->next;
104 struct ChanUser *chanuser, *next;
105 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
106 next = getChannelUsers(chan, chanuser);
107 removeChanUserFromLists(chanuser, 0, 1, 1);
116 void checkChannelVisibility(struct ChanNode* chan) {
117 struct ChanUser *chanuser, *next;
118 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {
119 if(chanuser->user->flags & USERFLAG_ISBOT) return;
121 //free the channel...
122 for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = next) {
123 next = getChannelUsers(chan, chanuser);
124 //remove the channel from the user's channel-list
125 removeChanUserFromLists(chanuser, 0, 1, 0);
126 if(!chanuser->user->channel) {
127 //free the user (no more channels)
128 delUser(chanuser->user, 1);