+#include "ChanNode.h"
+
+static struct ChanNode **chanList;
+
+void init_ChanNode() {
+ /*
+ len pos chars
+ 26 0 a-z
+ 10 26 0-9
+ 10 36 {|}~[\]^_`
+ 1 46 *everything else*
+ ---------------------------
+ = 47
+ */
+ userList = calloc(47, sizeof(*userList));
+}
+
+int is_valid_chan(const char *name) {
+ unsigned int ii;
+ if (*name !='#')
+ return 0;
+ for (ii=1; name[ii]; ++ii) {
+ if ((name[ii] > 0) && (name[ii] <= 32))
+ return 0;
+ if (name[ii] == ',')
+ return 0;
+ if (name[ii] == '\xa0')
+ return 0;
+ }
+ return 1;
+}
+
+static int get_chanlist_entry(int name) {
+ int i;
+ if((name > 0 && name <= 32) || name == ',' || name == '\xa0') return -1; //invalid name
+ if(tolower(name) >= 97 && tolower(name) <= 122) {
+ return (tolower(name) - 97);
+ }
+ if(tolower(name) >= 48 && tolower(name) <= 57) {
+ return (tolower(name) - 48 + 26);
+ }
+ /* {|}~[\]^_` */
+ if(name == '{') return 36;
+ if(name == '|') return 37;
+ if(name == '}') return 38;
+ if(name == '~') return 39;
+ if(name == '[') return 40;
+ if(name == '\\') return 41;
+ if(name == ']') return 42;
+ if(name == '^') return 43;
+ if(name == '_') return 44;
+ if(name == '`') return 45;
+ return 46;
+}
+
+struct ChanNode* getChanByName(const char *name) { //case insensitive
+ int chanListIndex = get_chanlist_entry(*name);
+ if(chanListIndex == -1 || chanList[chanListIndex] == NULL)
+ return NULL;
+ struct ChanNode *chan;
+ for(chan = chanList[chanListIndex]; chan; chan = chan->next) {
+ if(!stricmp(name, chan->name))
+ return chan;
+ }
+ return NULL;
+}
+
+struct ChanNode* addChannel(const char *chan) {
+ return NULL; //to be continued
+}
+
+void delChannel(struct ChanNode* chan, int freeChan) {
+ //to be continued
+}