From d8097117e9ead06a8825c065c597337f38811fe0 Mon Sep 17 00:00:00 2001
From: Giuliano Bellini s294739 <s294739@studenti.polito.it>
Date: Wed, 13 Mar 2024 16:07:42 +0100
Subject: [PATCH] clippy::pedantic

---
 src/platform/windows/socket_table.rs | 18 +++++++++---------
 src/platform/windows/tcp_listener.rs |  6 +++---
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/platform/windows/socket_table.rs b/src/platform/windows/socket_table.rs
index 9aa5e16..7700f08 100644
--- a/src/platform/windows/socket_table.rs
+++ b/src/platform/windows/socket_table.rs
@@ -21,18 +21,18 @@ impl SocketTable for TcpTable {
     }
 
     fn get_rows_count(table: &[u8]) -> usize {
-        let table = unsafe { &*(table.as_ptr() as *const TcpTable) };
+        let table = unsafe { &*(table.as_ptr().cast::<TcpTable>()) };
         table.rows_count as usize
     }
 
     fn get_tcp_listener(table: &[u8], index: usize) -> Option<TcpListener> {
-        let table = unsafe { &*(table.as_ptr() as *const TcpTable) };
-        let rows_ptr = &table.rows[0] as *const TcpRow;
+        let table = unsafe { &*(table.as_ptr().cast::<TcpTable>()) };
+        let rows_ptr = std::ptr::addr_of!(&table.rows[0]);
         let row = unsafe { &*rows_ptr.add(index) };
         if row.state == LISTEN {
             Some(TcpListener::new(
                 IpAddr::V4(Ipv4Addr::from(u32::from_be(row.local_addr))),
-                u16::from_be(row.local_port as u16),
+                u16::from_be(u16::try_from(row.local_port).ok()?),
                 row.owning_pid,
             ))
         } else {
@@ -47,18 +47,18 @@ impl SocketTable for Tcp6Table {
     }
 
     fn get_rows_count(table: &[u8]) -> usize {
-        let table = unsafe { &*(table.as_ptr() as *const Tcp6Table) };
+        let table = unsafe { &*(table.as_ptr().cast::<Tcp6Table>()) };
         table.rows_count as usize
     }
 
     fn get_tcp_listener(table: &[u8], index: usize) -> Option<TcpListener> {
-        let table = unsafe { &*(table.as_ptr() as *const Tcp6Table) };
-        let rows_ptr = &table.rows[0] as *const Tcp6Row;
+        let table = unsafe { &*(table.as_ptr().cast::<Tcp6Table>()) };
+        let rows_ptr = std::ptr::addr_of!(&table.rows[0]);
         let row = unsafe { &*rows_ptr.add(index) };
         if row.state == LISTEN {
             Some(TcpListener::new(
                 IpAddr::V6(Ipv6Addr::from(row.local_addr)),
-                u16::from_be(row.local_port as u16),
+                u16::from_be(u16::try_from(row.local_port).ok()?),
                 row.owning_pid,
             ))
         } else {
@@ -85,7 +85,7 @@ fn get_tcp_table(address_family: c_ulong) -> crate::Result<Vec<u8>> {
         table = Vec::<u8>::with_capacity(table_size as usize);
         err_code = unsafe {
             GetExtendedTcpTable(
-                table.as_mut_ptr() as *mut c_void,
+                table.as_mut_ptr().cast::<c_void>(),
                 &mut table_size,
                 FALSE,
                 address_family,
diff --git a/src/platform/windows/tcp_listener.rs b/src/platform/windows/tcp_listener.rs
index 1805923..c820e52 100644
--- a/src/platform/windows/tcp_listener.rs
+++ b/src/platform/windows/tcp_listener.rs
@@ -51,7 +51,7 @@ impl TcpListener {
         let h = unsafe { CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0).ok()? };
 
         let mut process = unsafe { zeroed::<PROCESSENTRY32>() };
-        process.dwSize = size_of::<PROCESSENTRY32>() as u32;
+        process.dwSize = u32::try_from(size_of::<PROCESSENTRY32>()).ok()?;
 
         if unsafe { Process32First(h, &mut process) }.is_ok() {
             loop {
@@ -71,9 +71,9 @@ impl TcpListener {
         let name = process.szExeFile;
         let len = name.iter().position(|&x| x == 0)?;
 
-        Some(String::from_utf8(
+        String::from_utf8(
             name[0..len].iter().map(|e| *e as u8).collect(),
-        ).ok()?)
+        ).ok()
     }
 
     pub(super) fn to_listener(&self) -> Option<Listener> {