Added new file map system to syscall_open

userprog/syscall_open.c

@@ -8,18 +8,19 @@
 
 #include "system_calls.h"
 #include "threads/interrupt.h" // Dependency for intr_frame struct
-#include "filesys/file.h" // Dependency for file_open and file struct
+#include "filesys/file.h" // Dependency for and file struct
+#include "filesys/filesys.h" // Dependency for filesys_open
 
 void syscall_open(struct intr_frame *f) {
-	//struct file_map f_map; // Create f_map struct instance
 	// pop off first int argument from interrupt frame
 	char* file_name = (void*)(*(int*)f->esp + 1);
-	// Described in system_calls.h, opens the file
-	struct file *file = file_open(file_name);
+	// Described in filesys.h, opens the file
+	struct file *file = filesys_open(file_name);
 	if (file == NULL) { // Checking if file is empty or non-existent
 		f->eax = -1; // Returning a failure state
 		return;
 	}
-	//f_map.file_descriptor = f_map.file;
-	f->eax = file;//f_map.file_descriptor; // Returning the file descriptor
+	// Described in system_calls.h, get a new file descriptor
+	int file_descriptor = associate_new_file_descriptor(file);
+	f->eax = file_descriptor; // Returning the file descriptor
 }
\ No newline at end of file