Part C and Revisions

.vscode/c_cpp_properties.json

@@ -0,0 +1,16 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "c++98",
+            "intelliSenseMode": "linux-gcc-x64"
+        }
+    ],
+    "version": 4
+}

HW9a.c

@@ -9,7 +9,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 
 // Globals to Simplify Passing Around
 // Contains pointer to queue memory

HW9b.c

@@ -9,7 +9,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
 
 int ptr_size = 0;
 char* ptr;
@@ -31,10 +30,6 @@ char pop() {
 void print() {
     for (int i = ptr_size - 1; i >= 0; i--)
         printf("%c\n",*(ptr+i));
-        /*
-    for (int i = 0; i < ptr_size; i++)
-        printf((i + 1 != ptr_size)?"%c, ":"%c\n",*(ptr+i));
-        */
 }
 
 int main() {

HW9c.c

@@ -0,0 +1,27 @@
+/*
+
+    COS135 - HW9c
+    Nicholas Pease
+    Reverse String
+
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include "PEASE.h"
+
+int main() {
+    printf("Reverse a phrase: ");
+    char input[20];
+    fgets(input,20,stdin);
+    for (int i=0;i<strlen(input);i++) if (input[i] == '\n') input[i] = '\0';
+    char reverse[strlen(input)];
+    for (int i = 0; i < strlen(input); i++) {
+        push(input[i]);
+    }
+    for (int i = 0; i < strlen(input); i++) {
+        reverse[i] = pop();
+    }
+    printf("Reversed output is \"%s\"\n",reverse);
+    return 0;
+}

PEASE.h

@@ -0,0 +1,24 @@
+// Library File for Part C adapting my code from part B
+
+#ifndef PEASE_H_
+#define PEASE_H_
+#include <stdlib.h>
+
+int ptr_size = 0;
+char* ptr;
+
+void push(char addition) {
+    // Deal with allocation every time push is called and pop. If not initialized, the source is NULL
+    ptr = realloc((ptr_size == 0)? NULL: ptr, (ptr_size+1)*sizeof(char));
+    *(ptr+ptr_size) = addition;
+    ptr_size++;
+}
+
+char pop() {
+    char removal = *(ptr+ptr_size-1);
+    ptr_size--;
+    ptr = realloc((ptr_size == 0)? NULL: ptr, (ptr_size)*sizeof(char));
+    return removal;
+}
+
+#endif