Fixed some segfaults due not checking for null pointers

docs/Doxyfile.in

@@ -32,7 +32,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "Contarius"
+PROJECT_NAME           = Contarius
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version
@@ -58,7 +58,8 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       =  "@PROJECT_SOURCE_DIR@/build/docs"
+OUTPUT_DIRECTORY       = @PROJECT_SOURCE_DIR@/build/docs
+
 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
 # will distribute the generated files over these directories. Enabling this
@@ -89,7 +90,15 @@ ALLOW_UNICODE_NAMES    = NO
 # Serbian, Serbian-Cyrillic, Slovak, Slovene, Spanish, Swedish, Turkish,
 # Ukrainian and Vietnamese.
 # The default value is: English.
-@PROJECT_SOURCE_DIR@/
+
+OUTPUT_LANGUAGE        = English
+
+# The OUTPUT_TEXT_DIRECTION tag is used to specify the direction in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all generated output in the proper direction.
+# Possible values are: None, LTR, RTL and Context.
+# The default value is: None.
+
 OUTPUT_TEXT_DIRECTION  = None
 
 # If the BRIEF_MEMBER_DESC tag is set to YES, doxygen will include brief member
@@ -134,7 +143,7 @@ ABBREVIATE_BRIEF       = "The $name class" \
 # description.
 # The default value is: NO.
 
-ALWAYS_DETAILED_SEC    = NO
+ALWAYS_DETAILED_SEC    = YES
 
 # If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
 # inherited members of a class in the documentation of that class as if those
@@ -161,7 +170,7 @@ FULL_PATH_NAMES        = YES
 # will be relative from the directory where doxygen is started.
 # This tag requires that the tag FULL_PATH_NAMES is set to YES.
 
-STRIP_FROM_PATH        ="@PROJECT_SOURCE_DIR@"
+STRIP_FROM_PATH        = "@PROJECT_SOURCE_DIR@"
 
 # The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
 # path mentioned in the documentation of a class, which tells the reader which
@@ -237,7 +246,7 @@ INHERIT_DOCS           = YES
 # of the file/class/namespace that contains it.
 # The default value is: NO.
 
-SEPARATE_MEMBER_PAGES  = NO
+SEPARATE_MEMBER_PAGES  = YES
 
 # The TAB_SIZE tag can be used to set the number of spaces in a tab. Doxygen
 # uses this value to replace tabs by spaces in code fragments.
@@ -599,7 +608,7 @@ HIDE_SCOPE_NAMES       = NO
 # YES the compound reference will be hidden.
 # The default value is: NO.
 
-HIDE_COMPOUND_REFERENCE = NO
+HIDE_COMPOUND_REFERENCE= NO
 
 # If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
 # the files that are included by a file in the documentation of that file.
@@ -855,7 +864,9 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = "@CMAKE_CURRENT_SOURCE_DIR@/../src/" "@CMAKE_CURRENT_SOURCE_DIR@/../docs"
+INPUT                  = "@CMAKE_CURRENT_SOURCE_DIR@/../include" \
+                         "@CMAKE_CURRENT_SOURCE_DIR@/../docs" \
+                         "@CMAKE_CURRENT_SOURCE_DIR@/../src/"
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -1065,7 +1076,7 @@ USE_MDFILE_AS_MAINPAGE =
 # also VERBATIM_HEADERS is set to NO.
 # The default value is: NO.
 
-SOURCE_BROWSER         = NO
+SOURCE_BROWSER         = YES
 
 # Setting the INLINE_SOURCES tag to YES will include the body of functions,
 # classes and enums directly into the documentation.
@@ -1084,13 +1095,13 @@ STRIP_CODE_COMMENTS    = YES
 # entity all documented functions referencing it will be listed.
 # The default value is: NO.
 
-REFERENCED_BY_RELATION = NO
+REFERENCED_BY_RELATION = YES
 
 # If the REFERENCES_RELATION tag is set to YES then for each documented function
 # all documented entities called/used by that function will be listed.
 # The default value is: NO.
 
-REFERENCES_RELATION    = NO
+REFERENCES_RELATION    = YES
 
 # If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
 # to YES then the hyperlinks from functions in REFERENCES_RELATION and
@@ -1204,7 +1215,7 @@ IGNORE_PREFIX          =
 # If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output
 # The default value is: YES.
 
-GENERATE_HTML          =  NO
+GENERATE_HTML          = NO
 
 # The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
 # relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
@@ -1941,7 +1952,7 @@ LATEX_HIDE_INDICES     = NO
 # The default value is: NO.
 # This tag requires that the tag GENERATE_LATEX is set to YES.
 
-LATEX_SOURCE_CODE      = NO
+LATEX_SOURCE_CODE      = YES
 
 # The LATEX_BIB_STYLE tag can be used to specify the style to use for the
 # bibliography, e.g. plainnat, or ieeetr. See
@@ -2150,6 +2161,10 @@ DOCBOOK_PROGRAMLISTING = NO
 
 GENERATE_AUTOGEN_DEF   = NO
 
+#---------------------------------------------------------------------------
+# Configuration options related to Sqlite3 output
+#---------------------------------------------------------------------------
+
 #---------------------------------------------------------------------------
 # Configuration options related to the Perl module output
 #---------------------------------------------------------------------------
@@ -2227,7 +2242,7 @@ SEARCH_INCLUDES        = YES
 # preprocessor.
 # This tag requires that the tag SEARCH_INCLUDES is set to YES.
 
-INCLUDE_PATH           = "@PROJECT_SOURCE_DIR@/include"
+INCLUDE_PATH           = @PROJECT_SOURCE_DIR@/include
 
 # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
 # patterns (like *.h and *.hpp) to filter out the header-files in the

include/account.h

@@ -0,0 +1,28 @@
+/** @file account.h
+ *  Account structure header file used in the program
+*/
+#ifndef ACCOUNT_H
+#define ACCOUNT_H
+
+#include "subaccount.h"
+#include "money.h"
+
+/**
+ * @struct account
+ * @brief Struct representing an Account in the the T-Account
+*/
+typedef struct account {
+  char *name; ///<Name of the account
+  char *description; ///< Description of the account
+  Money *value; ///< Total of the values of the subaccounts
+  SubAccount *subaccounts; ///< List of subaccounts
+  int numberOfSubaccounts; ///< Number of subaccounts on the list
+
+} 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

@@ -0,0 +1,29 @@
+/**
+ * @file entry.h
+ * Entry structure header file used in the program
+ * 
+ * @todo Add the functions prototypes to this header 
+*/
+#ifndef ENTRY_H
+#define ENTRY_H
+
+#include "money.h"
+
+/**
+ * @struct entry
+ * @brief Struct representing an entry in the the T-Account
+*/
+typedef struct entry {
+  char *name; ///< Name of the entry
+  char *description; ///< Description of the entry
+  Money *value; ///< Monetary value of the 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

@@ -0,0 +1,33 @@
+/** @file money.h
+* Money structure header file used in the program
+*/
+
+#ifndef MONEY_H
+#define MONEY_H
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/** 
+* @struct money
+* @brief Struct Holding the Monetary value in a separate form 
+*/
+
+typedef struct money {
+  int full;  ///<  The Full part of the monetary value
+  int cents; ///<   The Cents parts of the monetary value
+} Money;
+
+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

@@ -0,0 +1,33 @@
+/**
+ * @file subaccount.h
+ * Subaccount strucuture header file used in the program
+*/
+
+#ifndef SUBACCOUNT_H
+#define SUBACCOUNT_H
+#include "money.h"
+#include "entry.h"
+
+/**
+ * @struct subaccount
+ * @brief Struct representing a subaccount on the T-Account
+ * 
+*/
+
+
+typedef struct subaccount {
+  char *name; ///< Name of the subaccount
+  char *description; ///< Description of the subaccount
+  Money *value; ///< Total of the values of the entries
+  Entry *entries; ///< List of entries
+  int numberOfEntries; ///< Counter of entries in the 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

@@ -0,0 +1,24 @@
+/**
+ * @file taccount.h
+ *  TAccount structure header file used in the program
+*/
+#ifndef TACCOUNT_H
+#define TACCOUNT_H
+
+#include "account.h"
+
+/**
+ * @struct taccount
+ * @brief Struct representing an T-Account
+*/
+
+typedef struct taccount {
+  Account *credits; ///< credits account 
+  Account *debits; ///< debits account
+
+} TAccount;
+
+TAccount *initializeTAccount();
+void destroyTAccount(TAccount *taccount);
+Account *getListAccountsPointers(TAccount *tAccount);
+#endif

src/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(SOURCE_FILES main.c)
+set(SOURCE_FILES main.c  taccount.c account.c subaccount.c entry.c money.c)
 
 add_executable(Contarius ${SOURCE_FILES})
 

src/account.c

@@ -0,0 +1,76 @@
+/**
+* @file account.c.c 
+* Implementation file to use the account structure 
+*/
+#include "account.h"
+#include "money.h"
+/**
+ * 
+ * @brief Initialize account structure,
+ * sets the name and description according with the parameters and return a pointer to structure created.
+ * 
+ * @param *name the name of the account to be created
+ * @param *description the description of the account to be created
+ * 
+ * @returns pointer to the created structure
+ * 
+*/
+Account *initializeAccount(char *name, char *description) {
+  Account *account = malloc(sizeof(Account));
+  account->name = name;
+  account->description = description;
+  account->value = initalizeMoney(0,0);
+  account->subaccounts = NULL;
+  account->numberOfSubaccounts = 0;
+  return account;
+}
+/**
+ * @brief Updates the total value of the account 
+ * 
+ * @param *account Pointer to the account that will updated
+ * @param *value Money structure that will be summed to the total value of the account
+ * 
+*/
+void updateAccountValue(Account *account, Money *value) {
+  addMoneyToMoney(account->value, value);
+}
+
+
+/**
+ * @brief Add an subaccount to an account
+ * 
+ * Calls the @link subaccount::appendSubAccount appendSubAccount @endlink and adds the subaccount to the account,
+ * if the entries list is empty the subaccount passed as parameter will be the first one 
+ * 
+ * 
+ * @param *account Pointer to the account that will be added on 
+ * @param *subaccount Pointer to the subaccount that will be added on the account
+*/
+void addSubAccountToAccount(Account *account, SubAccount *subaccount) {
+  if (account->subaccounts == NULL) {
+    account->subaccounts = subaccount;
+  } else {
+    appendSubAccount(account->subaccounts, subaccount);
+  }
+  updateAccountValue(account, subaccount->value);
+  account->numberOfSubaccounts++;
+}
+
+/**
+ * 
+ * @brief Frees the memory used by the account structure
+ * @details Checks if the members are freed, if so it'll traverse the list of subaccounts and free it  untill the end of list 
+ * and then the passed account will be free completely.
+ * 
+ * @param *account account structure to be freed.
+ * 
+*/
+void destroyAccount(Account *account){
+    if (account->value != NULL){
+        destroyMoney(account->value);
+        account->value = NULL;
+    }
+    destroySubAccount(account->subaccounts);
+    free(account);
+
+}

src/entry.c

@@ -0,0 +1,111 @@
+/**
+ * @file entry.c
+ * Implementation file for the entry strutucture
+ * @todo Add method to delete the whole list of entries freeing the memory
+ * @todo Add methodo to remove one item in the list and relink it 
+*/
+
+#include "entry.h"
+
+/**
+ * 
+ * @brief Initialize entry structure,
+ * sets the name and description according with the parameters and return a pointer to structure created.
+ * 
+ * @param *name the name of the entry to be created
+ * @param *description the description of the entry to be created
+ * 
+ * @returns pointer to the created structure
+ * 
+*/
+Entry *initializeEntry(char *name, char *description) {
+  Entry *entry = malloc(sizeof(Entry));
+  entry->name = name;
+  entry->description = description;
+  entry->next = NULL;
+
+  return entry;
+}
+
+/**
+ * @brief Set a  monetary value to the entry structure
+ * 
+ * Set a the value member of the entry structure with the given money structure given as the parameter of the function.
+ * @param *entry pointer to the entry to be modified
+ * @param *money pointer to the money structured to be used as the value
+ * 
+*/
+void setEntryValue(Entry *entry, Money *value) {
+
+  entry->value = value;
+  if (checkOverflow(entry->value)) {
+    handleOverflow(entry->value);
+  }
+}
+
+/**
+ * @brief Adds a pointer to reference to the next entry
+ * Adds the pointer to the next member of entry strucuture, 
+ * if the member of the current entry is not empty it will iterate till it finds a  next ember thats is null.
+ * 
+ * @param *entry Pointer to entry structure that will iterated and appended.
+ * @param *newEntry Pointer to entry structure that will be added to the next member.
+ * 
+ *
+*/
+
+void appendEntry(Entry *entry, Entry *newEntry) {
+  Entry *current = entry;
+  if (current == NULL) {
+    current = newEntry;
+  } else {
+    while (current->next != NULL) {
+      current = current->next;
+    }
+    current->next = newEntry;
+  }
+}
+
+/**
+ * 
+ * @brief Traverse the list of entries and prints its informations
+ * @param *entry Pointer to the entry structure that will be traversed
+ * 
+*/
+void traverseEntry(Entry *entry) {
+  Entry *current = entry;
+  while (current != NULL) {
+    printf("Entry Data:\n\nName: %s\nDescription: %s\nValue: %s\n\n",
+           current->name, current->description, getMoneyString(current->value));
+    current = current->next;
+  }
+}
+/**
+ * 
+ * @brief Frees the memory used by the entry structure
+ * @details Checks if the members are freed, if so it'll traverse the list of entries and free it untill the end of list 
+ * and then the passed entry will be free completely.
+ * 
+ * @param *entry Entry structure to be freed.
+ * 
+*/
+void destroyEntry(Entry *entry){
+    if(entry == NULL){
+        return;
+    }
+    if (entry->value != NULL){
+        destroyMoney(entry->value);
+        entry->value = NULL;
+    }
+
+    Entry *current = entry-> next;
+    if (current != NULL) {
+        if (current->next == NULL) {
+            destroyMoney(current->value);
+            free(current);
+        } 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/money.c

@@ -0,0 +1,195 @@
+/**
+* @file money.c 
+* Implementation file to use the money structure 
+*/
+
+#include "money.h"
+
+/**
+* 
+* @brief Initialize a money structure, sets the value according to the parameters and return a pointer to the structure created 
+* @param full the full value for the structure that will be created.
+* @param cents the cents value the structure that will be created.
+* @return pointer to the created structure.
+* 
+*/
+
+Money *initalizeMoney(int full, int cents) {
+  Money *m = malloc(sizeof(Money));
+  m->full = full;
+  m->cents = cents;
+  return m;
+}
+
+/**
+* @brief Check if the value of the cents is bigger than 100
+* @param *m the money structure that will be checked
+* @retval true if the value is bigger than 100
+* @retval false if the falue is not bigger than 100
+*/
+
+bool checkOverflow(Money *m) {
+  if (m->cents >= 100)
+    return true;
+  return false;
+};
+
+/**
+* @brief Check if the value of the cents is less than 0
+* @param *m the money structure that will be checked
+* @retval true if the value is less than 0
+* @retval false if the falue is less  than 0
+*/
+
+bool checkUnderflow(Money *m) {
+  if (m->cents < 0)
+    return true;
+  return false;
+};
+
+/** 
+* @brief Handles the case of the cents being bigger than 100.
+* 
+* It adds or subtracks to the full part and do a modulus operation on cents
+* @param *m The money structure that will be operated on 
+*/
+void handleOverflow(Money *m) {
+  if (m->full > 0) {
+    m->full += m->cents / 100;
+  } else {
+    m->full -= m->cents / 100;
+  }
+  m->cents = m->cents % 100;
+};
+
+/** 
+* 
+* @brief Handles the case of the cents being less than 0.
+* 
+* It adds or subtracks to the full part and do a modulus operation on cents
+* @param *m The money structure that will be operated on 
+*/
+void handleUnderflow(Money *m) {
+  m->cents = 100 + m->cents;
+  if (m->full > 0) {
+    m->full -= 1;
+  } else {
+    m->full += 1;
+  }
+};
+
+/**
+* @brief Set the value for a money structure
+* 
+* @param *m The money structure that will be set the value
+* @param full the full value that money structure will set to
+* @param cents the cent value that money structure will set to
+*/
+void setMoneyValue(Money *m, int full, int cents) {
+  m->full = full;
+  m->cents = cents;
+  if (checkOverflow(m)) {
+    handleOverflow(m);
+  }
+}
+
+/**
+* @brief Return the value of a money structure as a string
+* @param *m The money structure that string will be generated from
+* @returns the values of the money structure as a string
+*/
+char *getMoneyString(Money *m) {
+  char *str = malloc(sizeof(char) * 20);
+  char *str_cents = malloc(sizeof(char) * 4);
+  char *str_full = malloc(sizeof(char) * 100);
+  if (m->cents < 10) {
+    sprintf(str_cents, "0%d", m->cents);
+  } else {
+    sprintf(str_cents, "%d", m->cents);
+  }
+  sprintf(str, "%2i,%s", m->full, str_cents);
+  return str;
+}
+
+/**
+* @brief Sums two money structures.
+* 
+* 
+* Executes the summing of two money strucutures, 
+* it sums the destination money structure to the source money structure, 
+* altering the the destination money structure.
+* 
+* @param *dest The money structure that will be altered 
+* @param *src The money srtruture that will used to alter
+* 
+*/
+
+void addMoneyToMoney(Money *dest, Money *src) {
+  if (dest->full < 0) {
+    if (src->full > 0) {
+      dest->cents = (-1 * dest->cents) + src->cents;
+      dest->full = dest->full + src->full;
+    } else {
+      dest->cents = ((-1 * dest->cents) + (-1 * src->cents)) * -1;
+
+      dest->full = dest->full + src->full;
+    }
+
+  } else {
+    if (src->full > 0) {
+      dest->cents += src->cents;
+      dest->full += src->full;
+    } else {
+      dest->cents = (dest->cents + (-1 * src->cents)) * -1;
+      dest->full = dest->full + src->full;
+    }
+  }
+  if (checkOverflow(dest)) {
+    handleOverflow(dest);
+  }
+}
+/**
+* @brief Subtracts two money structures
+* 
+* 
+* Executes the subtraction of two money strucutures, 
+* it subtracts the destination money structure to the source money structure, 
+* altering the the destination money structure.
+* 
+* @param *dest The money structure that will be altered 
+* @param *src The money srtruture that will used to alter
+* 
+* 
+*/
+void subtractMoneyToMoney(Money *dest, Money *src) {
+  if (dest->full > 0) {
+    if (src->full > 0) {
+      dest->cents = dest->cents - src->cents;
+      dest->full = dest->full - src->full;
+    } else {
+      dest->cents = dest->cents - (-1 * src->cents);
+      dest->full = dest->full - src->full;
+    }
+  } else {
+    if (src->full > 0) {
+      dest->cents = -1 * ((-1 * dest->cents) - src->cents);
+      dest->full = dest->full - src->full;
+    } else {
+      dest->cents = dest->cents - src->cents;
+      dest->full = dest->full - src->full;
+    }
+  }
+
+  if (checkUnderflow(dest)) {
+    handleUnderflow(dest);
+  }
+}
+
+/**
+ * @brief Frees the Memory used by a money structure
+ * @param *money The money structure that will be freed
+*/
+
+void destroyMoney(Money *money){
+  free(money);
+}

src/subaccount.c

@@ -0,0 +1,122 @@
+/**
+ * @file subbacount.c
+ * Implementation file for the subaccount strutucture
+*/
+
+#include "subaccount.h"
+#include "money.h"
+#include "entry.h"
+
+/**
+ * 
+ * @brief Initialize subaccount structure,
+ * sets the name and description according with the parameters and return a pointer to structure created.
+ * 
+ * @param *name the name of the subaccount to be created
+ * @param *description the description of the subaccount to be created
+ * 
+ * @returns pointer to the created structure
+ * 
+*/
+
+SubAccount *initializeSubAccount(char *name, char *description) {
+  SubAccount *subaccount = malloc(sizeof(SubAccount));
+  subaccount->name = name;
+  subaccount->description = description;
+  subaccount->value = initalizeMoney(0, 0);
+  subaccount->entries = NULL;
+  subaccount->numberOfEntries = 0;
+  subaccount->next = NULL;
+
+  return subaccount;
+}
+
+/**
+ * @brief Updates the total value of the subaccount 
+ * 
+ * @param *subaccount Pointer to the subaccount that will updated
+ * @param *value Money structure that will be summed to the total value of the subaccount
+ * 
+*/
+void updateSubAccountValue(SubAccount *subaccount, Money *value) {
+  addMoneyToMoney(subaccount->value, value);
+}
+
+/**
+ * @brief Add an entry to a subaccount
+ * 
+ * Calls the @link entry::appendEntry apendlink @endlink and adds the entry to the subaccount,
+ * if the entries list is empty the entry passed as parameter will be the first one 
+ * 
+ * 
+ * @param *subaccount Pointer to the subaccount that will be added on 
+ * @param *entry Pointer to the entry that will be added on the subaccount
+*/
+void addEntryToSubAccount(SubAccount *subaccount, Entry *entry) {
+  if (subaccount->entries == NULL) {
+    subaccount->entries = entry;
+
+  } else {
+    appendEntry(subaccount->entries, entry);
+  }
+  updateSubAccountValue(subaccount, entry->value);
+  subaccount->numberOfEntries++;
+}
+
+/**
+ * @brief Appends a pointer reference of subaccount to the member next of a subaccount
+ * 
+ * Appends the pointer of a subaccount to the next member of the subaccount,
+ * if the next member is null the passed subaccount will be the first one in the list,
+ * if not the code will traverse till it finds a null next to be appended
+ * 
+ * @param *subaccount Pointer to subaccount that will be added onto
+ * @param *newSubaccount Pointer to the subaccount that will added into the list
+*/
+
+void appendSubAccount(SubAccount *subaccount, SubAccount *newSubaccount) {
+  SubAccount *current = subaccount;
+  if (current->next == NULL) {
+    current->next = newSubaccount;
+  } else {
+    while (current->next != NULL) {
+      current = current->next;
+    }
+    current->next = newSubaccount;
+  }
+}
+
+
+/**
+ * 
+ * @brief Frees the memory used by the subaccount structure
+ * @details Checks if the members are freed, if so it'll traverse the list of entries and free it  untill the end of list 
+ * and then the passed subaccount will be free completely.
+ * 
+ * @param *subaccount subaccount structure to be freed.
+ * 
+*/
+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 != NULL) {
+        if (current->next == NULL) {
+            destroyMoney(current->value);
+            destroyEntry(current->entries);
+            free(current);
+        } else {
+            destroySubAccount(current->next);
+        }
+    }
+
+    free(subaccount);
+
+
+}

src/taccount.c

@@ -0,0 +1,42 @@
+/**
+ * @file taccount.c
+ * Implementation file for the taccount strutucture
+*/
+
+#include "taccount.h"
+
+/**
+ * 
+ * @brief Initialize taccount structure,
+ * Return a pointer to structure created.
+ * 
+ * 
+ * @returns pointer to the created structure
+ * 
+*/ 
+
+TAccount *initializeTAccount() {
+  TAccount *taccount = malloc(sizeof(TAccount));
+  taccount->credits = initializeAccount("Credit Account", "Credit Account");
+  taccount->debits = initializeAccount("Debit Account", "Debit Account");
+  return taccount;
+}
+
+/**
+ * 
+ * @brief Frees the memory used by the taccount structure
+ * @details Checks if the members are freed, if so it'll traverse the list of credit accounts and the list of debit accounts and free it  untill the end of list 
+ * and then the passed taccount will be free completely.
+ * 
+ * @param *subaccount taccount structure to be freed.
+ * 
+*/
+void destroyTAccount(TAccount *taccount){
+     if (taccount->credits != NULL){
+        destroyAccount(taccount->credits);
+     }
+     if (taccount->debits != NULL){
+        destroyAccount(taccount->debits);
+     }
+     free(taccount);
+}