Integrate required functions to make deposit work as intended

build/test/cache/defines_dependency.yml

@@ -1 +0,0 @@
---- {}

build/test/cache/input.yml

@@ -1,242 +0,0 @@
----
-:project:
-  :use_exceptions: false
-  :use_mocks: true
-  :compile_threads: 1
-  :test_threads: 1
-  :use_test_preprocessor: true
-  :use_preprocessor_directives: false
-  :use_deep_dependencies: false
-  :generate_deep_dependencies: true
-  :auto_link_deep_dependencies: false
-  :test_file_prefix: test_
-  :options_paths: []
-  :release_build: false
-  :use_auxiliary_dependencies: true
-  :build_root: build
-  :which_ceedling: gem
-  :ceedling_version: 0.31.1
-  :default_tasks:
-  - test:all
-:release_build:
-  :use_assembly: false
-  :artifacts: []
-:paths:
-  :test:
-  - "+:tests/**"
-  - "-:tests/support"
-  :source:
-  - src/**
-  :support:
-  - tests/support
-  :include: []
-  :libraries: []
-  :test_toolchain_include: []
-  :release_toolchain_include: []
-:files:
-  :test: []
-  :source: []
-  :assembly: []
-  :support: []
-  :include: []
-:environment:
-- :rake_columns: '120'
-:defines:
-  :test:
-  - &1 []
-  - TEST
-  :test_preprocess:
-  - *1
-  - TEST
-  :release: []
-  :release_preprocess: []
-  :use_test_definition: false
-  :common: []
-:libraries:
-  :flag: "-l${1}"
-  :path_flag: "-L ${1}"
-  :test: []
-  :test_preprocess: []
-  :release: []
-  :release_preprocess: []
-  :placement: :end
-  :system: []
-:flags: {}
-:extension:
-  :header: ".h"
-  :source: ".c"
-  :assembly: ".s"
-  :object: ".o"
-  :libraries:
-  - ".a"
-  - ".so"
-  :executable: ".out"
-  :map: ".map"
-  :list: ".lst"
-  :testpass: ".pass"
-  :testfail: ".fail"
-  :dependencies: ".d"
-:unity:
-  :vendor_path: "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor"
-  :defines: []
-:cmock:
-  :vendor_path: "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor"
-  :defines: []
-  :includes: []
-  :mock_prefix: mock_
-  :when_no_prototypes: :warn
-  :enforce_strict_ordering: true
-  :plugins:
-  - :ignore
-  - :callback
-  :treat_as:
-    uint8: HEX8
-    uint16: HEX16
-    uint32: UINT32
-    int8: INT8
-    bool: UINT8
-  :mock_path: build/test/mocks
-  :verbosity: 3
-  :unity_helper: false
-:cexception:
-  :vendor_path: "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor"
-  :defines: []
-:test_runner:
-  :includes: []
-  :file_suffix: _runner
-:tools:
-  :test_compiler:
-    :executable: gcc
-    :name: default_test_compiler
-    :stderr_redirect: :none
-    :background_exec: :none
-    :optional: false
-    :arguments:
-    - ''
-    - ''
-    - -I"$": COLLECTION_PATHS_TEST_SUPPORT_SOURCE_INCLUDE_VENDOR
-    - -I"$": COLLECTION_PATHS_TEST_TOOLCHAIN_INCLUDE
-    - "-D$": COLLECTION_DEFINES_TEST_AND_VENDOR
-    - "-DGNU_COMPILER"
-    - "-g"
-    - ''
-    - -c "${1}"
-    - -o "${2}"
-    - "-MMD"
-    - -MF "${4}"
-  :test_fixture:
-    :executable: "${1}"
-    :name: default_test_fixture
-    :stderr_redirect: :auto
-    :background_exec: :none
-    :optional: false
-    :arguments: []
-  :test_linker:
-    :executable: gcc
-    :name: default_test_linker
-    :stderr_redirect: :none
-    :background_exec: :none
-    :optional: false
-    :arguments:
-    - ''
-    - ''
-    - ''
-    - '"${1}"'
-    - "${5}"
-    - -o "${2}"
-    - ''
-    - "${4}"
-    - ''
-  :test_file_preprocessor:
-    :executable: gcc
-    :name: default_test_file_preprocessor
-    :stderr_redirect: :none
-    :background_exec: :none
-    :optional: false
-    :arguments:
-    - ''
-    - ''
-    - "-E"
-    - -I"$": COLLECTION_PATHS_TEST_SUPPORT_SOURCE_INCLUDE_VENDOR
-    - -I"$": COLLECTION_PATHS_TEST_TOOLCHAIN_INCLUDE
-    - "-D$": COLLECTION_DEFINES_TEST_AND_VENDOR
-    - "-D$": DEFINES_TEST_PREPROCESS
-    - "-DGNU_COMPILER"
-    - '"${1}"'
-    - -o "${2}"
-  :test_file_preprocessor_directives:
-    :executable: gcc
-    :name: default_test_file_preprocessor_directives
-    :stderr_redirect: :none
-    :background_exec: :none
-    :optional: false
-    :arguments:
-    - "-E"
-    - -I"$": COLLECTION_PATHS_TEST_SUPPORT_SOURCE_INCLUDE_VENDOR
-    - -I"$": COLLECTION_PATHS_TEST_TOOLCHAIN_INCLUDE
-    - "-D$": COLLECTION_DEFINES_TEST_AND_VENDOR
-    - "-D$": DEFINES_TEST_PREPROCESS
-    - "-DGNU_COMPILER"
-    - "-fdirectives-only"
-    - '"${1}"'
-    - -o "${2}"
-  :test_includes_preprocessor:
-    :executable: gcc
-    :name: default_test_includes_preprocessor
-    :stderr_redirect: :none
-    :background_exec: :none
-    :optional: false
-    :arguments:
-    - ''
-    - ''
-    - "-E"
-    - "-MM"
-    - "-MG"
-    - -I"$": COLLECTION_PATHS_TEST_SUPPORT_SOURCE_INCLUDE_VENDOR
-    - -I"$": COLLECTION_PATHS_TEST_TOOLCHAIN_INCLUDE
-    - "-D$": COLLECTION_DEFINES_TEST_AND_VENDOR
-    - "-D$": DEFINES_TEST_PREPROCESS
-    - "-DGNU_COMPILER"
-    - '"${1}"'
-:test_compiler:
-  :arguments: []
-:test_linker:
-  :arguments: []
-:test_fixture:
-  :arguments: []
-  :link_objects: []
-:test_includes_preprocessor:
-  :arguments: []
-:test_file_preprocessor:
-  :arguments: []
-:test_file_preprocessor_directives:
-  :arguments: []
-:test_dependencies_generator:
-  :arguments: []
-:release_compiler:
-  :arguments: []
-:release_linker:
-  :arguments: []
-:release_assembler:
-  :arguments: []
-:release_dependencies_generator:
-  :arguments: []
-:plugins:
-  :load_paths:
-  - "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/lib/../plugins"
-  :enabled:
-  - stdout_pretty_tests_report
-  - module_generator
-  :display_raw_test_results: false
-  :stdout_pretty_tests_report_path: "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/lib/../plugins/stdout_pretty_tests_report"
-  :module_generator_path: "/Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/lib/../plugins/module_generator"
-:gcov:
-  :reports:
-  - HtmlDetailed
-  :gcovr:
-    :html_medium_threshold: 75
-    :html_high_threshold: 90
-:module_generator:
-  :project_root: "./"
-  :source_root: src/
-  :test_root: test/

build/test/cache/test_mainMenu.c

@@ -1,299 +0,0 @@
-#include "src/mainMenu.h"
-#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
-
-
-
-
-
-
-
-
-void setUp(void)
-
-{
-
-}
-
-
-
-void tearDown(void)
-
-{
-
-}
-
-
-
-void test_agePermissionValidAge(void)
-
-{
-
-
-
-
-
-
-
-
-
-    int validAge[83];
-
-
-
-    
-
-   _Bool 
-
-        validAgeResult[83];
-
-
-
-    int j=0;
-
-
-
-    for(int i =18;i<101;i++){
-
-
-
-        validAge[j]= i;
-
- j++;
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<83;i++){
-
-
-
-        validAgeResult[i] = agePermission(validAge[i]);
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<83;i++){
-
-
-
-        do {if ((validAgeResult[i])) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(44)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_agePermissionInvalidAge(void)
-
-{
-
-
-
-
-
-
-
-
-
-
-
-    int invalidAge[117];
-
-
-
-    
-
-   _Bool 
-
-        invalidAgeResult[117];
-
-
-
-    int j=0;
-
-
-
-    for(int i =-100;i<18;i++){
-
-
-
-        invalidAge[j]= i;
-
-        j++;
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<117;i++){
-
-
-
-        invalidAgeResult[i] = agePermission(invalidAge[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<117;i++){
-
-
-
-        do {if (!(invalidAgeResult[i])) {} else {UnityFail( ((" Expected FALSE Was TRUE")), (UNITY_UINT)((UNITY_UINT)(81)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_IsInteger(void)
-
-{
-
-
-
-
-
-
-
-    char* inputIsInteger[] = {"-10000000","-2000000","-354698","-66667","-7878","-987","-64","-5","0","1","2","10","201","333","4321","56974","698751","7878989","88954621" };
-
-
-
-    
-
-   _Bool 
-
-        inputIsIntegerResult[19];
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        inputIsIntegerResult[i] = checkIfInteger(inputIsInteger[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
- do {if ((inputIsIntegerResult[i])) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(110)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_IsNotInteger(void)
-
-{
-
-
-
-
-
-
-
-    char* inputIsNotInteger[] = {"0.15","3.141592653589793238","5.3254f","-6.264","-7878.3261","foo","Bar","FIZZ","buzZ","joHN","jAnE","foo-bar","3,15","2k13",""," ","-","+","/*-+.,/=" };
-
-
-
-    
-
-   _Bool 
-
-        inputIsNotIntegerResult[19];
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        inputIsNotIntegerResult[i] = checkIfInteger(inputIsNotInteger[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        do {if (!(inputIsNotIntegerResult[i])) {} else {UnityFail( ((" Expected FALSE Was TRUE")), (UNITY_UINT)((UNITY_UINT)(139)));}} while(0);
-
-
-
-    }
-
-
-
-}

build/test/cache/test_updateCustomerAccountBalance.c

@@ -1 +0,0 @@
-

build/test/dependencies/cmock.d

@@ -1,6 +0,0 @@
-build/test/out/c/cmock.o: \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/cmock/src/cmock.c \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/cmock/src/cmock.h \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/cmock/src/cmock_internals.h \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h

build/test/dependencies/mainMenu.d

@@ -1 +0,0 @@
-build/test/out/c/mainMenu.o: src/mainMenu.c src/mainMenu.h

build/test/dependencies/test_mainMenu.d

@@ -1,4 +0,0 @@
-build/test/out/c/test_mainMenu.o: tests/test_mainMenu.c \
- /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
- /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
- src/mainMenu.h

build/test/dependencies/test_mainMenu_runner.d

@@ -1,4 +0,0 @@
-build/test/out/c/test_mainMenu_runner.o: \
- build/test/runners/test_mainMenu_runner.c \
- /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
- /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h

build/test/dependencies/test_updateCustomerAccountBalance.d

@@ -1,2 +0,0 @@
-build/test/out/c/test_updateCustomerAccountBalance.o: \
-  tests/test_updateCustomerAccountBalance.c

build/test/dependencies/test_updateCustomerAccountBalance_runner.d

@@ -1,4 +0,0 @@
-build/test/out/c/test_updateCustomerAccountBalance_runner.o: \
-  build/test/runners/test_updateCustomerAccountBalance_runner.c \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h

build/test/dependencies/unity.d

@@ -1,4 +0,0 @@
-build/test/out/c/unity.o: \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity.c \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
-  /Library/Ruby/Gems/2.6.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h

build/test/preprocess/files/test_mainMenu.c

@@ -1,299 +0,0 @@
-#include "src/mainMenu.h"
-#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
-
-
-
-
-
-
-
-
-void setUp(void)
-
-{
-
-}
-
-
-
-void tearDown(void)
-
-{
-
-}
-
-
-
-void test_agePermissionValidAge(void)
-
-{
-
-
-
-
-
-
-
-
-
-    int validAge[83];
-
-
-
-    
-
-   _Bool 
-
-        validAgeResult[83];
-
-
-
-    int j=0;
-
-
-
-    for(int i =18;i<101;i++){
-
-
-
-        validAge[j]= i;
-
- j++;
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<83;i++){
-
-
-
-        validAgeResult[i] = agePermission(validAge[i]);
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<83;i++){
-
-
-
-        do {if ((validAgeResult[i])) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(44)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_agePermissionInvalidAge(void)
-
-{
-
-
-
-
-
-
-
-
-
-
-
-    int invalidAge[117];
-
-
-
-    
-
-   _Bool 
-
-        invalidAgeResult[117];
-
-
-
-    int j=0;
-
-
-
-    for(int i =-100;i<18;i++){
-
-
-
-        invalidAge[j]= i;
-
-        j++;
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<117;i++){
-
-
-
-        invalidAgeResult[i] = agePermission(invalidAge[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<117;i++){
-
-
-
-        do {if (!(invalidAgeResult[i])) {} else {UnityFail( ((" Expected FALSE Was TRUE")), (UNITY_UINT)((UNITY_UINT)(81)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_IsInteger(void)
-
-{
-
-
-
-
-
-
-
-    char* inputIsInteger[] = {"-10000000","-2000000","-354698","-66667","-7878","-987","-64","-5","0","1","2","10","201","333","4321","56974","698751","7878989","88954621" };
-
-
-
-    
-
-   _Bool 
-
-        inputIsIntegerResult[19];
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        inputIsIntegerResult[i] = checkIfInteger(inputIsInteger[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
- do {if ((inputIsIntegerResult[i])) {} else {UnityFail( ((" Expected TRUE Was FALSE")), (UNITY_UINT)((UNITY_UINT)(110)));}} while(0);
-
-
-
-    }
-
-
-
-}
-
-
-
-void test_IsNotInteger(void)
-
-{
-
-
-
-
-
-
-
-    char* inputIsNotInteger[] = {"0.15","3.141592653589793238","5.3254f","-6.264","-7878.3261","foo","Bar","FIZZ","buzZ","joHN","jAnE","foo-bar","3,15","2k13",""," ","-","+","/*-+.,/=" };
-
-
-
-    
-
-   _Bool 
-
-        inputIsNotIntegerResult[19];
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        inputIsNotIntegerResult[i] = checkIfInteger(inputIsNotInteger[i]);
-
-
-
-    }
-
-
-
-
-
-
-
-    for(int i=0;i<19;i++)
-
-    {
-
-
-
-        do {if (!(inputIsNotIntegerResult[i])) {} else {UnityFail( ((" Expected FALSE Was TRUE")), (UNITY_UINT)((UNITY_UINT)(139)));}} while(0);
-
-
-
-    }
-
-
-
-}

build/test/preprocess/files/test_updateCustomerAccountBalance.c

@@ -1 +0,0 @@
-

build/test/preprocess/includes/test_mainMenu.c

@@ -1,3 +0,0 @@
----
-- "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
-- src/mainMenu.h

build/test/preprocess/includes/test_updateCustomerAccountBalance.c

@@ -1 +0,0 @@
---- []

build/test/results/test_mainMenu.pass

@@ -1,30 +0,0 @@
----
-:source:
-  :path: tests
-  :file: test_mainMenu.c
-:successes:
-- :test: test_agePermissionValidAge
-  :line: 15
-  :message: ''
-  :unity_test_time: 0
-- :test: test_agePermissionInvalidAge
-  :line: 50
-  :message: ''
-  :unity_test_time: 0
-- :test: test_IsInteger
-  :line: 87
-  :message: ''
-  :unity_test_time: 0
-- :test: test_IsNotInteger
-  :line: 116
-  :message: ''
-  :unity_test_time: 0
-:failures: []
-:ignores: []
-:counts:
-  :total: 4
-  :passed: 4
-  :failed: 0
-  :ignored: 0
-:stdout: []
-:time: 0.0009556771256029606

build/test/results/test_updateCustomerAccountBalance.pass

@@ -1,14 +0,0 @@
----
-:source:
-  :path: tests
-  :file: test_updateCustomerAccountBalance.c
-:successes: []
-:failures: []
-:ignores: []
-:counts:
-  :total: 0
-  :passed: 0
-  :failed: 0
-  :ignored: 0
-:stdout: []
-:time: 0.006540999980643392

build/test/runners/test_mainMenu_runner.c

@@ -1,57 +0,0 @@
-/* AUTOGENERATED FILE. DO NOT EDIT. */
-
-/*=======Automagically Detected Files To Include=====*/
-#include "unity.h"
-
-int GlobalExpectCount;
-int GlobalVerifyOrder;
-char* GlobalOrderError;
-
-/*=======External Functions This Runner Calls=====*/
-extern void setUp(void);
-extern void tearDown(void);
-
-
-/*=======Mock Management=====*/
-static void CMock_Init(void)
-{
-  GlobalExpectCount = 0;
-  GlobalVerifyOrder = 0;
-  GlobalOrderError = NULL;
-}
-static void CMock_Verify(void)
-{
-}
-static void CMock_Destroy(void)
-{
-}
-
-/*=======Setup (stub)=====*/
-void setUp(void) {}
-
-/*=======Teardown (stub)=====*/
-void tearDown(void) {}
-
-/*=======Test Reset Options=====*/
-void resetTest(void);
-void resetTest(void)
-{
-  tearDown();
-  CMock_Verify();
-  CMock_Destroy();
-  CMock_Init();
-  setUp();
-}
-void verifyTest(void);
-void verifyTest(void)
-{
-  CMock_Verify();
-}
-
-/*=======MAIN=====*/
-int main(void)
-{
-  UnityBegin("test_updateCustomerAccountBalance.c");
-
-  return UnityEnd();
-}

src/CustomerData.txt

@@ -3,14 +3,14 @@ ID=1234
 forename=Max
 Surname=Mustermann
 password=example
-balance=5000
+balance=2390
 
 1327=example
 ID=1327
 forename=Max
 Surname=Mustermann
 password=example
-balance=1500
+balance=70
 
 1666=example
 ID=1666

src/_file_information.h

@@ -1,2 +1,2 @@
-#define MAX_LENGTH 100
-#define CUSTOMER_DATA_FILE "src/CustomerData.txt"
+#define MAX_LENGTH 200
+#define CUSTOMER_DATA_FILE "CustomerData.txt"

src/depositMoney.c

@@ -31,8 +31,7 @@ bool depositMoney(int customerID){
     scanf("%f", &amountToDeposit);
 
     if(amountToDeposit>0 && amountToDeposit>MINIMUM_DEPOSIT_AMOUNT){
-        //InitiateDepositMoney(amountToDeposit,availableAccountBalance);
-        if(updateAvailableAccountBalance(customerID, availableAccountBalance+amountToDeposit)==0){
+        if(updateAvailableAccountBalance(customerID, availableAccountBalance+amountToDeposit)){
             printf("\nYou have successfully deposited %.2f. New account balance is %.2f", amountToDeposit, availableAccountBalance+amountToDeposit);
             askToTryAgain(false,customerID);
             return true;
@@ -51,3 +50,10 @@ bool depositMoney(int customerID){
     }
     return false;
 }
+
+/*
+int main(){
+    depositMoney(1234);
+    return 0;
+}
+*/

src/depositMoney.h

@@ -4,6 +4,5 @@
 #define MINIMUM_DEPOSIT_AMOUNT 5
 
 
-int InitiateDepositMoney(float amountToDeposit, float availableAccountBalance);
-int DepositMoney(int customerID);
-void AskToTryAgain(bool afterError, int customerID);
+bool depositMoney(int customerID);
+void askToTryAgain(bool afterError, int customerID);

src/updateCustomerAccountBalance.c

@@ -1,6 +1,29 @@
 #include "updateCustomerAccountBalance.h"
 #include "currentCustomerAccountBalance.c"
 #include "lineReplacer.h"
+#include "_file_information.h"
+
+void troubleShoot(int errorCode){
+    printf("Error! The requested operation was terminated because of an issue. Here are some details about the error:\n---------------\n");
+
+    switch(errorCode){
+        case 0:
+            printf("Requested file could not be opened. Are you sure it exists?");
+            break;
+        case 1:
+            printf("A temporary file could not be generated. Are you sure the bank management system has the required authorization to create new files?");
+            break;
+        case 2:
+            printf("Replacement of the old file failed. Are you sure the bank management system has the required authorization to delete files?");
+            break;
+        case 3:
+            printf("Renaming of a file failed. Are you sure the bank management system has the required authorization to rename files?");
+            break;
+        case 4:
+            printf("Could not find the customer. Please contact customer support.");
+            break;
+    }
+}
 
 void replaceLineInFile(const char* file_name, int line, const char* new_line){
     FILE* file = fopen(file_name, "r");
@@ -41,13 +64,12 @@ void replaceBalanceInString(float replacementBalance, int currentLine) {
     char balance_as_string[MAX_LENGTH];
     sprintf(balance_as_string, "%g", replacementBalance); //converts replacement balance to string
     strcat(newBalanceLine, balance_as_string);
-    replaceLineInFile("CustomerData.txt",currentLine,newBalanceLine);
+    replaceLineInFile(CUSTOMER_DATA_FILE,currentLine,newBalanceLine);
 }
 
 bool updateAvailableAccountBalance(int user_id, float newBalance){
-
     bool keep_reading = true;
-
+    bool customer_found=false;
     char buffer[MAX_LENGTH];
     char stringID[MAX_LENGTH] = "ID=";
     char user_id_as_string[MAX_LENGTH];
@@ -57,8 +79,11 @@ bool updateAvailableAccountBalance(int user_id, float newBalance){
     sprintf(user_id_as_string, "%d", user_id); // converts user_id to string
     strcat(stringID, user_id_as_string);
 
-    FILE *file = fopen("CustomerData.txt", "r+"); 
-    printf(stringID);
+    FILE *file = fopen(CUSTOMER_DATA_FILE, "r+"); 
+    if (file == NULL) {
+        printf("Error: Could not open file CustomerData.txt\n");
+        return false;
+    }
     while(keep_reading) {
         fgets(buffer, MAX_LENGTH, file);
         currentLine++;
@@ -66,16 +91,33 @@ bool updateAvailableAccountBalance(int user_id, float newBalance){
             keep_reading = false;
         }
         else if(strstr(buffer, stringID)) { //found the customer
+
+            for (int i = 0; i < 4; i++) {
                 fgets(buffer, MAX_LENGTH, file);
-            fgets(buffer, MAX_LENGTH, file);
-            fgets(buffer, MAX_LENGTH, file);
-            fgets(buffer, MAX_LENGTH, file);
+            }
+
             strcpy(balance_String, buffer);
             currentLine+=4;
             keep_reading = false;
+            customer_found=true;
         }
 
     }
+    
     fclose(file);;
+    if(customer_found){
         replaceBalanceInString(newBalance,currentLine);
+        return true;
+    }
+    return false;
+    
+}
+
+//traditional testing section
+/*
+int main(int argc, char *argv[])
+{
+    updateAvailableAccountBalance(1327,70);
+    return 0;
 }
+*/

src/updateCustomerAccountBalance.h

@@ -3,9 +3,8 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define MAX_LENGTH 100
 
 
-float updateAvailableAccountBalance(int user_id, float newBalance);
+bool updateAvailableAccountBalance(int user_id, float newBalance);
 
 void replaceBalanceInString(float replacementBalance, int currentLine);