Fixed some segfaults due not checking for null pointers

include/account.h

@@ -20,5 +20,9 @@ typedef struct account {
 
 } Account;
 
+Account *initializeAccount(char *name, char *description);
+void updateAccountValue(Account *account, Money *value);
+void addSubAccountToAccount(Account *account, SubAccount *subaccount);
+void destroyAccount(Account *account);
 
 #endif

include/entry.h

@@ -20,6 +20,10 @@ typedef struct entry {
   struct entry *next; ///< Pointer to the next entry in the list of entries
 } Entry;
 
-
+Entry *initializeEntry(char *name, char *description);
+void setEntryValue(Entry *entry, Money *value);
+void appendEntry(Entry *entry, Entry *newEntry);
+void traverseEntry(Entry *entry);
+void destroyEntry(Entry *entry);
 
 #endif

include/money.h

@@ -19,9 +19,15 @@ typedef struct money {
   int cents; ///<   The Cents parts of the monetary value
 } Money;
 
-Money *initializeMoney(int full, int cents);
+Money *initalizeMoney(int full, int cents);
 
 void addMoneyToMoney(Money *dest, Money *src);
 void subtractMoneyToMoney(Money *dest, Money *src);
-
+bool checkOverflow(Money *m);
+bool checkUnderflow(Money *m);
+void handleOverflow(Money *m);
+void handleUnderflow(Money *m);
+void setMoneyValue(Money *m, int full, int cents);
+char *getMoneyString(Money *m);
+void destroyMoney(Money *money);
 #endif

include/subaccount.h

@@ -24,5 +24,10 @@ typedef struct subaccount {
   struct subaccount *next; ///< Reference to the next subaccount
 } SubAccount;
 
+SubAccount *initializeSubAccount(char *name, char *description);
+void updateSubAccountValue(SubAccount *subaccount, Money *value);
+void addEntryToSubAccount(SubAccount *subaccount, Entry *entry);
+void appendSubAccount(SubAccount *subaccount, SubAccount *newSubaccount);
+void destroySubAccount(SubAccount *subaccount);
 
 #endif

include/taccount.h

@@ -18,5 +18,7 @@ typedef struct taccount {
 
 } TAccount;
 
-
+TAccount *initializeTAccount();
+void destroyTAccount(TAccount *taccount);
+Account *getListAccountsPointers(TAccount *tAccount);
 #endif

src/account.c

@@ -3,7 +3,7 @@
 * Implementation file to use the account structure 
 */
 #include "account.h"
-
+#include "money.h"
 /**
  * 
  * @brief Initialize account structure,
@@ -19,7 +19,7 @@ Account *initializeAccount(char *name, char *description) {
   Account *account = malloc(sizeof(Account));
   account->name = name;
   account->description = description;
-  account->value = initalizeMoney(0, 0);
+  account->value = initalizeMoney(0,0);
   account->subaccounts = NULL;
   account->numberOfSubaccounts = 0;
   return account;

src/entry.c

@@ -23,6 +23,7 @@ Entry *initializeEntry(char *name, char *description) {
   entry->name = name;
   entry->description = description;
   entry->next = NULL;
+
   return entry;
 }
 
@@ -89,18 +90,22 @@ void traverseEntry(Entry *entry) {
  * 
 */
 void destroyEntry(Entry *entry){
+    if(entry == NULL){
+        return;
+    }
     if (entry->value != NULL){
         destroyMoney(entry->value);
         entry->value = NULL;
     }
 
     Entry *current = entry-> next;
-
-    if (current->next == NULL){
+    if (current != NULL) {
+        if (current->next == NULL) {
             destroyMoney(current->value);
             free(current);
-    }else{
+        } else {
             destroyEntry(current->next);
         }
+    }
     free(entry);
 }

src/main.c

@@ -1,9 +1,30 @@
 #include <stdio.h>
 
+#include "taccount.h"
+#include "account.h"
+#include "subaccount.h"
+
 
 
 int main(){
+    TAccount *t1 = initializeTAccount();
+    SubAccount *chainsaw = initializeSubAccount("Chainsaw Sales", "Annual revenue of hte sale of chainsaws");
+    Entry *q1Chainsaw = initializeEntry("Q1 Chainsaw Sales","Sales figures for Q1 of sales of chainsaws");
+    setEntryValue(q1Chainsaw, initalizeMoney(1500000,99));
+    SubAccount *chaps = initializeSubAccount("Chaps Sales", "Annual revenue of hte sale of chaps");
+    Entry *q1Chaps= initializeEntry("Q1 Chap Sales","Sales figures for Q1 of sales of chaps");
+    setEntryValue(q1Chaps, initalizeMoney(1500,99));
+    Entry *q2Chaps= initializeEntry("Q2 Chap Sales","Sales figures for Q2 of sales of chaps");
+    setEntryValue(q2Chaps, initalizeMoney(1500,99));
+    addSubAccountToAccount(t1->credits,chainsaw);
+    addEntryToSubAccount(chainsaw,q1Chainsaw);
+    addSubAccountToAccount(t1->credits,chaps);
+    addEntryToSubAccount(chaps,q1Chaps);
+    addEntryToSubAccount(chaps,q2Chaps);
 
+
+    destroyTAccount(t1);
     printf("Contarius is Being Made (SomeHow)...\n");
+
     return 0;
 }

src/subaccount.c

@@ -97,21 +97,25 @@ void appendSubAccount(SubAccount *subaccount, SubAccount *newSubaccount) {
  * 
 */
 void destroySubAccount(SubAccount *subaccount){
-    
+    if (subaccount == NULL){
+        return;
+    }
     if (subaccount->value != NULL){
         destroyMoney(subaccount->value);
         subaccount->value = NULL;
     }
-
+    destroyEntry(subaccount->entries);
     SubAccount *current = subaccount->next;
-
-    if (current->next == NULL){
+    if (current != NULL) {
+        if (current->next == NULL) {
             destroyMoney(current->value);
             destroyEntry(current->entries);
             free(current);
-    }else{
+        } else {
             destroySubAccount(current->next);
         }
+    }
+
     free(subaccount);