From d42412c57d7d95672ba64b3e489b95f1c4b04a08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ahmet=20Kaan=20G=C3=9CM=C3=9C=C5=9E?=
 <96421894+Tahinli@users.noreply.github.com>
Date: Thu, 12 Oct 2023 14:21:47 +0300
Subject: [PATCH] remove_ram_limitations

---
 README.md   |  2 +-
 src/main.rs | 15 +++++++--------
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 1027232..021d417 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ TCP File Transfer Server and Client in Rust
 
 ☑ File transfer over network.
 
-☐ Remove memory limitations.
+☑ Remove memory limitations.
 
 ☐ Folder transfer.
 
diff --git a/src/main.rs b/src/main.rs
index 19fbc5d..5c42ab5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,8 @@
 use std::fs::{File, Metadata, self};
+use std::os::unix::prelude::FileExt;
 use std::time::Instant;
 use std::net::{TcpListener, TcpStream};
-use std::io::{Read, Write, self, BufWriter, BufReader, BufRead};
+use std::io::{Read, Write, self, BufWriter, BufReader, BufRead, Seek};
 use std::env::{self};
 
 
@@ -143,7 +144,7 @@ impl FileInfo
                         let mut file_reader = BufReader::new(self.file.as_ref().unwrap());
                         if iteration != 0
                             {
-                                match file_reader.read_exact(&mut buffer)
+                                match self.file.as_ref().unwrap().read_exact(&mut buffer)
                                     {
                                         Ok(_) =>
                                             {
@@ -161,14 +162,12 @@ impl FileInfo
                             }
                         else 
                             {
-                                let mut last_buffer:Vec<u8> = Vec::new();
-                                match file_reader.read_to_end(&mut last_buffer)
+                                match self.file.as_ref().unwrap().read_exact(&mut buffer[..(self.metadata.as_ref().unwrap().len()%BUFFER_SIZE as u64) as usize])
                                     {
-                                        Ok(read_size) =>
+                                        //fix it
+                                        Ok(_) =>
                                             {
-                                                self.size_current += read_size;
-                                                last_buffer.append(&mut buffer[..(self.metadata.as_ref().unwrap().len()%BUFFER_SIZE as u64) as usize].to_vec());
-                                                buffer.copy_from_slice(&last_buffer);
+                                                self.size_current += (self.metadata.as_ref().unwrap().len()%BUFFER_SIZE as u64) as usize;
                                                 println!("Size now = {}", self.size_current);
                                                 //println!("{} | {} | {:#?}", iteration,buffer.len(), buffer);
                                             }