commit

conf.c

@@ -44,6 +44,36 @@ void addConf(ptConf confChain, int id, char title[], char speaker[], int day, in
     px -> next -> next = NULL;
 }
 
+void removeConf(ptConf confChain, int id) {
+    ptConf px = confChain;
+
+    if (px -> next -> next == NULL) {
+        free(px -> next);
+        px -> next = NULL;
+    } else if (px -> id == id) {
+        px -> id = px -> next -> id;
+        strcpy(px -> title, px -> next -> title);
+        strcpy(px -> speaker, px -> next -> speaker);
+        px -> day = px -> next -> day;
+        px -> month = px -> next -> month;
+        px -> year = px -> next -> year;
+
+        ptConf tmp = px -> next;
+        px -> next = px -> next -> next;
+        free(tmp);
+    } else {
+        while (px -> next != NULL && px -> next -> id != id) {
+            px = px -> next;
+        }
+
+        if (px -> next -> id == id) {
+            ptConf tmp = px -> next;
+            px -> next = px -> next -> next;
+            free(tmp);
+        }
+    }
+}
+
 int findListenerId(ptListener listenerChain) {
     ptListener px = listenerChain;
     int max = 0;
@@ -83,4 +113,34 @@ void addListener(ptListener listenerChain, int id, char name[], int age, int lev
     px -> next = (ptListener) malloc(sizeof(tListener));
     px -> next -> next = NULL;
     px -> next -> prev = px;
+}
+
+void removeListener(ptListener listenerChain, int id) {
+    ptListener px = listenerChain;
+
+    if (px -> next -> next == NULL) {
+        free(px -> next);
+        px -> next = NULL;
+    } else if (px -> id == id) {
+        px -> id = px -> next -> id;
+        strcpy(px -> name, px -> next -> name);
+        px -> age = px -> next -> age;
+        px -> level = px -> next -> level;
+
+        ptListener tmp = px -> next;
+        px -> next = px -> next -> next;
+        px -> next -> prev = px;
+        free(tmp);
+    } else {
+        while (px -> next != NULL && px -> next -> id != id) {
+            px = px -> next;
+        }
+
+        if (px -> next -> id == id) {
+            ptListener tmp = px -> next;
+            px -> next = px -> next -> next;
+            px -> next -> prev = px;
+            free(tmp);
+        }
+    }
 }