From 169a95313244f28086e01b345396c8154d78a648 Mon Sep 17 00:00:00 2001
From: Wang Xuerui <git@xen0n.name>
Date: Sat, 11 May 2019 18:54:11 +0800
Subject: [PATCH] Use the cfg-if crate for platform support conditionals

---
 Cargo.toml |  3 +++
 src/lib.rs | 29 ++++++++++++++++++++---------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index cfc839f..13853dd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,9 @@ repository  = "/~https://github.com/soc/dirs-rs"
 maintenance = { status = "actively-developed" }
 keywords    = ["xdg", "basedir", "app_dirs", "path", "folder"]
 
+[dependencies]
+cfg-if = "0.1"
+
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
 
diff --git a/src/lib.rs b/src/lib.rs
index 131f221..0ab431a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,18 +13,29 @@
 
 #![deny(missing_docs)]
 
+#[macro_use]
+extern crate cfg_if;
+
 use std::path::PathBuf;
 
-#[cfg(target_os = "windows")]                                                     mod win;
-#[cfg(target_os = "macos")]                                                       mod mac;
-#[cfg(target_os = "redox")]                                                       mod redox;
-#[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "redox")))] mod lin;
-#[cfg(unix)]                                                                      mod unix;
+#[cfg(unix)]
+mod unix;
 
-#[cfg(target_os = "windows")]                                                     use win as sys;
-#[cfg(target_os = "macos")]                                                       use mac as sys;
-#[cfg(target_os = "redox")]                                                       use redox as sys;
-#[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "redox")))] use lin as sys;
+cfg_if! {
+    if #[cfg(target_os = "windows")] {
+        mod win;
+        use win as sys;
+    } else if #[cfg(target_os = "macos")] {
+        mod mac;
+        use mac as sys;
+    } else if #[cfg(target_os = "redox")] {
+        mod redox;
+        use redox as sys;
+    } else {
+        mod lin;
+        use lin as sys;
+    }
+}
 
 /// Returns the path to the user's home directory.
 ///