Add addnumbers command, needs work

Assignment2/main.c

@@ -3,23 +3,77 @@
 #include <sys/types.h>
 #include <string.h>
 #include <stdbool.h>
+#include <stdlib.h>
+#include <wait.h>
+
+void print_prompt() {
+    printf("[%d]> ", getpid());
+}
 
 int main() {
     bool is_looping = true;
     // Listen loop
     while (is_looping) {
-        char input[5][100];
+        char input[100];
-        char buffer[500];
+        print_prompt();
-        //Print prompt
+       fgets(input, 100, stdin);
-        printf("[%d]> ", getpid());
+        if (strcmp(input, "stop\n") == 0) {
-        if (fgets(buffer, 500, stdin) == NULL) {
-            break;
-        }
-        //split buffer on spaces into input array
-        sscanf(buffer, "%s %s %s %s %s", input[0], input[1], input[2], input[3], input[4]);
-
-        if (strcmp(input[0], "stop") == 0) {
             is_looping = false;
         }
+        if (strcmp(input, "onechild\n") == 0) {
+            if(fork() == 0) {
+                print_prompt();
+                printf("Hello, I am a child process\n");
+                exit(0);
+            }
+            else {
+                print_prompt();
+                printf("Hello, I am a parent process\n");
+                wait(NULL);
+            }
+        }
+        if (strcmp(input, "addnumbers\n") == 0) {
+            int number = 1;
+            int send_to_child[2];
+            int receive_from_child[2];
+            pipe(send_to_child);
+            pipe(receive_from_child);
+
+            if (fork() == 0) {
+                while (number != 0) {
+                    // Read the numbers from the send_to_child pipe
+                    read(send_to_child[0], &number, sizeof(int));
+                    print_prompt();
+                    printf("The sum of the numbers is %d\n", number);
+                    // Write the sum to the receive_from_child pipe
+                    write(receive_from_child[1], &number, sizeof(int));
+                }
+                exit(0);
+            }
+            else {
+                while (number != 0) {
+
+                    print_prompt();
+                    printf("Please input a number, 0 to terminate:  ");
+                    char buffer[100];
+                    fgets(buffer, 100, stdin);
+                    number = atoi(buffer);
+                    write(send_to_child[1], &number, sizeof(int));
+                    read(receive_from_child[0], &number, sizeof(int));
+                }
+            }
+        }
     }
 }
+
+void temp() {
+    char input[5][100];
+    char buffer[500];
+    //Print prompt
+    print_prompt();
+    if (fgets(buffer, 500, stdin) == NULL) {
+        exit(0);
+    }
+    //split buffer on spaces into input array
+    sscanf(buffer, "%s %s %s %s %s", input[0], input[1], input[2], input[3], input[4]);
+};