Cleanup some clippy::unused_io_amount errors

Author: varphone

src/lib.rs

@@ -1391,7 +1391,7 @@ impl Builder {
 
         {
             let mut wrapper_file = File::create(&wrapper_path)?;
-            wrapper_file.write(wrapper_contents.as_bytes())?;
+            wrapper_file.write_all(wrapper_contents.as_bytes())?;
         }
 
         let mut cmd = Command::new(&clang.path);
@@ -2088,30 +2088,30 @@ impl Bindings {
                 "/* automatically generated by rust-bindgen {} */\n\n",
                 version.unwrap_or("(unknown version)")
             );
-            writer.write(header.as_bytes())?;
+            writer.write_all(header.as_bytes())?;
         }
 
         for line in self.options.raw_lines.iter() {
-            writer.write(line.as_bytes())?;
-            writer.write("\n".as_bytes())?;
+            writer.write_all(line.as_bytes())?;
+            writer.write_all("\n".as_bytes())?;
         }
 
         if !self.options.raw_lines.is_empty() {
-            writer.write("\n".as_bytes())?;
+            writer.write_all("\n".as_bytes())?;
         }
 
         let bindings = self.module.to_string();
 
         match self.rustfmt_generated_string(&bindings) {
             Ok(rustfmt_bindings) => {
-                writer.write(rustfmt_bindings.as_bytes())?;
+                writer.write_all(rustfmt_bindings.as_bytes())?;
             }
             Err(err) => {
                 eprintln!(
                     "Failed to run rustfmt: {} (non-fatal, continuing)",
                     err
                 );
-                writer.write(bindings.as_bytes())?;
+                writer.write_all(bindings.as_bytes())?;
             }
         }
         Ok(())