Correct std::io::Write usage in client, update CHANGELOG

CHANGELOG.md

@@ -1,5 +1,11 @@
 # SpamAssassin Milter changelog
 
+## next (unreleased)
+
+*   Use `Write::write_all` instead of `Write::write` in `spamc` client, in order
+    to ensure buffers are written in their entirety.
+*   Do not include `.gitignore` file in published crate.
+
 ## 0.1.0 (2020-02-23)
 
 Initial release.

src/client.rs

@@ -130,7 +130,8 @@ impl Client {
     pub fn send_envelope_sender(&mut self) -> Result<()> {
         let buf = format!("X-Envelope-From: {}\r\n", self.sender);
 
-        self.bytes += self.process.writer().write(buf.as_bytes())?;
+        self.process.writer().write_all(buf.as_bytes())?;
+        self.bytes += buf.len();
 
         Ok(())
     }
@@ -138,7 +139,8 @@ impl Client {
     pub fn send_envelope_recipients(&mut self) -> Result<()> {
         let buf = format!("X-Envelope-To: {}\r\n", self.recipients.join(",\r\n\t"));
 
-        self.bytes += self.process.writer().write(buf.as_bytes())?;
+        self.process.writer().write_all(buf.as_bytes())?;
+        self.bytes += buf.len();
 
         Ok(())
     }
@@ -168,7 +170,8 @@ impl Client {
             self.sender
         );
 
-        self.bytes += self.process.writer().write(buf.as_bytes())?;
+        self.process.writer().write_all(buf.as_bytes())?;
+        self.bytes += buf.len();
 
         Ok(())
     }
@@ -186,19 +189,24 @@ impl Client {
             self.headers.insert_if_absent(name, value);
         }
 
-        self.bytes += self.process.writer().write(buf.as_bytes())?;
+        self.process.writer().write_all(buf.as_bytes())?;
+        self.bytes += buf.len();
 
         Ok(())
     }
 
     pub fn send_eoh(&mut self) -> Result<()> {
-        self.bytes += self.process.writer().write(b"\r\n")?;
+        let eoh = b"\r\n";
+
+        self.process.writer().write_all(eoh)?;
+        self.bytes += eoh.len();
 
         Ok(())
     }
 
     pub fn send_body_chunk(&mut self, bytes: &[u8]) -> Result<()> {
-        self.bytes += self.process.writer().write(bytes)?;
+        self.process.writer().write_all(bytes)?;
+        self.bytes += bytes.len();
 
         Ok(())
     }