lab 2 cleanup

02-TeenyTinyShell/ttsh.c

@@ -61,7 +61,7 @@ int parse_commands(char input[INPUT_MAX], char cmd_strs[CMD_MAX][INPUT_MAX])
     {
         if (cmd_count >= CMD_MAX)
         {
-            fprintf(stderr, "Too many commands\n");
+            fprintf(stderr, "\nToo many commands\n");
             return -1;
         }
         strncpy(cmd_strs[cmd_count], cmd_ptr, INPUT_MAX);
@@ -79,8 +79,7 @@ int main()
 
     int quit_flag = 0;
 
-    // TODO need to be able to get input from
-    //    the user in a loop
+    // Get user input in a loop
     while(quit_flag == 0) {
 
         // Print the input prompt
@@ -92,7 +91,7 @@ int main()
             return 1;
         }
 
-        // TODO: Figure out how to handle the 'quit' command
+        // Set quit flag
         if (strcmp(user_input, "quit") == 0){
             printf("Quitting...\n");
             quit_flag = 1;
@@ -107,8 +106,8 @@ int main()
         }
 
         // Chop the commands into arguments and execute one at a time
+        if(!quit_flag) {
             for (int i = 0; i < cmd_count; i++) {
-
                 char **args = malloc(ARG_MAX*sizeof(char *));
                 char* str = malloc(10*sizeof(char));
                 strncpy(str, strtok(cmd_strs[i], " "), 10);
@@ -120,7 +119,6 @@ int main()
                     j++;
                 }
                 pid_t pid = fork();
-
                 if(pid == 0) {
                     execvp(args[0], args);
                     printf("Command not found: %s\n", args[0]);
@@ -134,5 +132,6 @@ int main()
                 }
             }
         }
+    }
     return 0;
 }