More makefile stuff, improve cent overflow logic

.clang-format

@@ -0,0 +1,43 @@
+# Tyler's personal code-style formatting file, make sure to use the class version before turning in
+IndentWidth: 4
+UseTab: Always
+TabWidth: 4
+InsertBraces: false
+SortIncludes: true
+IncludeBlocks: Regroup
+IncludeCategories:
+  # System headers from C (hardcoded, it isn't really possible to automatically detect them with regex)
+  - Regex:           '<c(assert|complex|ctype|errno|fenv|float|inttypes|iso646|limits|locale|math|setjmp|signal|stdalign|stdarg|stdatomic|stdbool|stddef|stdint|stdio|stdlib|stdnoreturn|string|tgmath|threads|time|uchar|wchar|wctype)>'
+    Priority:        3
+  # System headers without extension.
+  - Regex:           '<([A-Za-z0-9\Q/-_\E])+>'
+    Priority:        2
+  # Local headers with extension.
+  - Regex:           '"([A-Za-z0-9\Q/-_\E])+\.h(pp)?"'
+    Priority:        1
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterObjCDeclaration: false
+  AfterStruct: false
+  AfterUnion: false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  BeforeLambdaBody: false
+  BeforeWhile: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+IndentCaseLabels: true
+IntegerLiteralSeparator:
+  Binary: 0
+  Decimal: 3
+  Hex: -1
+DerivePointerAlignment: false
+PointerAlignment: Right
+QualifierAlignment: Left

.class-clang-format

@@ -0,0 +1,43 @@
+# A clang-format config to follow CSCI200's style guide, use before turning in
+IndentWidth: 2
+UseTab: Never
+TabWidth: 2
+InsertBraces: true
+SortIncludes: true
+IncludeBlocks: Regroup
+IncludeCategories:
+  # System headers from C
+  - Regex:           '<(cassert|ccomplex|cctype|cerrno|cfenv|cfloat|cinttypes|ciso646|climits|clocale|cmath|csetjmp|csignal|cstdalign|cstdarg|cstdatomic|cstdbool|cstddef|cstdint|cstdio|cstdlib|cstdnoreturn|cstring|ctgmath|cthreads|ctime|cuchar|cwchar|cwctype)>'
+    Priority:        3
+  # System headers without extension.
+  - Regex:           '<([A-Za-z0-9\Q/-_\E])+>'
+    Priority:        2
+  # Local headers with extension.
+  - Regex:           '"([A-Za-z0-9\Q/-_\E])+\.h(pp)?"'
+    Priority:        1
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterObjCDeclaration: false
+  AfterStruct: false
+  AfterUnion: false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  BeforeLambdaBody: false
+  BeforeWhile: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+IndentCaseLabels: true
+IntegerLiteralSeparator:
+  Binary: -1
+  Decimal: -1
+  Hex: -1
+DerivePointerAlignment: false
+PointerAlignment: Left
+QualifierAlignment: Left

.gitignore

@@ -0,0 +1,4 @@
+# Packed files
+./*.tar.gz
+# Built object files
+./**/*.o

Makefile

@@ -1,13 +1,13 @@
 TARGET = A2
 SRC_FILES = main.cpp atmFunctions.cpp
 
-# Tyler's custom makefile extensions
+# Tyler's custom makefile extensions for CSCI200 (anyone can use these if they want)
 .DEFAULT_GOAL := all # Necessary so `make` doesn't run the "pack" target, as it is declared before "all"
-.PHONY: pack clean-run c run
+.PHONY: pack clean-run c run fmt
 
 ## Adds only the necessary files for build into a .tar.gz file, named appropriately
 ARCHIVED_FILES = Makefile $(SRC_FILES) $(SRC_FILES:.cpp=.h) $(SRC_FILES:.cpp=.hpp)
-pack:
+pack: fmtc
 	tar --ignore-failed-read -czvf $(TARGET).tar.gz $(shell echo $(ARCHIVED_FILES) | xargs ls -d 2>/dev/null)
 
 ## Runs the pack target and then attempts to build & run the program to make sure it functions correctly
@@ -26,6 +26,14 @@ c: clean
 run: all
 	./$(TARGET)
 
+## Formats all cpp, h, and hpp files with clang-format, using my personal clang-format config
+fmt:
+	find . -iname '*.hpp' -o -iname '*.h' -o -iname '*.cpp' | xargs clang-format --style=file:.clang-format -i
+
+## Formats all cpp, h, and hpp files with clang-format, using the class clang-format config
+fmtc:
+	find . -iname '*.hpp' -o -iname '*.h' -o -iname '*.cpp' | xargs clang-format --style=file:.class-clang-format -i
+
 # NO EDITS NEEDED BELOW THIS LINE
 
 CXX = g++

atmFunctions.cpp

@@ -4,6 +4,18 @@
 #include <iostream>
 #include <limits>
 
+/**
+ * @brief Normalizes dollar & cent amounts by converting any 100 cent chunks to
+ * dollars
+ *
+ * @param pDollars A pointer to the amount of dollars
+ * @param pCents A pointer to the amount of cents
+ */
+void normalize_dollars(int* pDollars, int* pCents) {
+  *pDollars += *pCents / 100;
+  *pCents = *pCents % 100;
+}
+
 void start_atm() {
   int dollars = 0;
   int cents = 0;
@@ -23,6 +35,8 @@ void start_atm() {
         deposit_money(&dollars, &cents);
         break;
       case '3':
+        withdraw_money(&dollars, &cents);
+        break;
       case 'Q':
         continuing = false;
         std::cout << "Have a nice day!" << std::endl;
@@ -66,31 +80,73 @@ void print_balance(int* pDollars, int* pCents) {
 
 void deposit_money(int* pDollars, int* pCents) {
   // Prompt the user for the amount to deposit
-	int newDollars = 0, newCents = 0;
+  int dollarsToDeposit = 0, centsToDeposit = 0;
   std::cout << "How many dollars would you like to deposit? ";
-	std::cin >> newDollars;
+  std::cin >> dollarsToDeposit;
   std::cout << "How many cents would you like to deposit? ";
-	std::cin >> newCents;
+  std::cin >> centsToDeposit;
 
   // Ensure valid positive integers were entered
-	if (newDollars < 0 || newCents < 0) {
+  if (dollarsToDeposit < 0 || centsToDeposit < 0) {
     std::cout << "Deposits must be positive amounts, please try again with "
                  "proper values"
               << std::endl
               << std::endl;
+    return;
   }
 
-	// Add dollar and cent values to variables passed-by-pointer
-	*pDollars += newDollars;
-	*pCents += newCents;
+  // Normalize the user-inputted values for later display
+  normalize_dollars(&dollarsToDeposit, &centsToDeposit);
 
-	// Condense cent amounts > 100 into dollars
-	*pDollars += *pCents / 100;
-	*pCents = *pCents % 100;
+  *pDollars += dollarsToDeposit;
+  *pCents += centsToDeposit;
+
+  // Normalize the true account values after addition
+  normalize_dollars(pDollars, pCents);
 
   // Display the amount deposited nicely
   std::cout << "You have successfully deposited a total of $"
-			  << (newDollars + (newCents / 100)) << "." << std::setfill('0')
-			  << std::setw(2) << newCents % 100 << "." << std::endl
+            << dollarsToDeposit << "." << std::setfill('0') << std::setw(2)
+            << centsToDeposit << "." << std::endl
+            << std::endl;
+}
+
+void withdraw_money(int* pDollars, int* pCents) {
+  // Prompt the user for the amount to withdraw
+  int dollarsToWithdraw = 0, centsToWithdraw = 0;
+  std::cout << "How many dollars would you like to withdraw? ";
+  std::cin >> dollarsToWithdraw;
+  std::cout << "How many cents would you like to withdraw? ";
+  std::cin >> centsToWithdraw;
+
+  if (centsToWithdraw < 0 || dollarsToWithdraw < 0) {
+    std::cout << "Withdrawals must be positive amounts, please try again with "
+                 "proper values"
+              << std::endl
+              << std::endl;
+    return;
+  }
+
+  normalize_dollars(&dollarsToWithdraw, &centsToWithdraw);
+
+  // Convert dollar amounts to cents for easier subtraction
+  int totalCentWithdrawal = dollarsToWithdraw + (dollarsToWithdraw * 100);
+
+  *pCents += *pDollars * 100;
+  *pDollars = 0;
+
+  if (totalCentWithdrawal > *pCents) {
+    std::cout << "You do not have enough money for this withdrawal" << std::endl
+              << std::endl;
+    return;
+  }
+
+  *pCents -= totalCentWithdrawal;
+
+  normalize_dollars(pDollars, pCents);
+
+  std::cout << "You have successfully withdrawn a total of $"
+            << dollarsToWithdraw << "." << std::setfill('0') << std::setw(2)
+            << centsToWithdraw << "." << std::endl
             << std::endl;
 }