Make TOPIC tracking/following/setting/etc. work for most/all scenarios and ensure it's always given out to new clients correctly. Also misc other bug fixes.

1 files changed, 35 insertions, 0 deletions

diff --git a/functions.c b/functions.c
index 56b37d6..c6bea40 100644
--- a/functions.c
+++ b/functions.c
@@ -127,3 +127,38 @@ void extractfinalparameter(char *string) {
 
   printf("extractfinalparameter(): finishing with '%s', strlen: %zd.\n", string, strlen(string));
 }
+
+// Extract the IRC nick from a prefix
+// e.g. given this string:
+// ":foo!bar@baz"
+// We want to end up with:
+// "foo"
+void extractnickfromprefix(char *string) {
+  // Position of bang
+  int bangpos = -1;
+
+  printf("extractnickfromprefix(): starting with '%s', strlen: %zd.\n", string, strlen(string));
+
+  // Strip the colon at position 0 if there is one
+  stripprefix(string);
+
+  // Find the bang
+  for (size_t i = 0; i < strlen(string); i++) {
+    printf("i: %zd.  strlen: %zd.\n", i, strlen(string));
+    if (string[i] == '!') {
+      printf("Found bang at position %zd!\n", i);
+      bangpos = i;
+      break;
+    }
+  }
+
+  if (bangpos == -1) {
+    printf("no bang found, returning\n");
+    return;
+  }
+
+  // Terminate the string at whatever position we found the bang
+  string[bangpos] = '\0';
+
+  printf("extractnickfromprefix(): finishing with '%s', strlen: %zd.\n", string, strlen(string));
+}