Remove dependency on winapi 0.2 (#25)

Instead declare the few types we use directly in the crate to avoid bringing in the old winapi 0.2 dependency.

Fixes #16.
Replaces previous attempts #19 #22 #24.

.travis.yml

@@ -5,7 +5,7 @@ sudo: false
 matrix:
   include:
     # Oldest supported Rust (this should track Mio)
-    - rust: 1.9.0
+    - rust: 1.18.0
     - rust: stable
     # OS X support
     - rust: stable

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.1.3 (September 20th, 2019)
+
+* Remove dependency on old winapi 0.2 (#16)
+
 # 0.1.2 (January 26th, 2018)
 
 * Add support for non-windows/unix targets (#10)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Carl Lerche <me@carllerche.com>"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
@@ -15,6 +15,3 @@ categories = ["network-programming", "api-bindings"]
 
 [target.'cfg(unix)'.dependencies]
 libc   = "0.2"
-
-[target.'cfg(windows)'.dependencies]
-winapi = "0.2"

src/lib.rs

@@ -7,9 +7,6 @@
 #[cfg(unix)]
 extern crate libc;
 
-#[cfg(windows)]
-extern crate winapi;
-
 mod sys;
 
 use std::{ops, mem};

src/sys/windows.rs

@@ -1,6 +1,17 @@
-use winapi::{WSABUF, DWORD};
 use std::{mem, slice, u32};
 
+// declare the types we need directly here to avoid bringing
+// in the old and slow winapi 0.2 dependency.
+
+type DWORD = u32;
+type ULONG = u32;
+type CHAR = i8;
+
+struct WSABUF {
+    pub len: ULONG,
+    pub buf: *mut CHAR,
+}
+
 pub struct IoVec {
     inner: [u8],
 }