From ad9ab3f0761af1751e0e2d19b140f8c8fc5e3324 Mon Sep 17 00:00:00 2001
From: Dirk Van Haerenborgh <vhdirk@gmail.com>
Date: Tue, 20 Mar 2018 20:17:26 +0100
Subject: fix some compiler warning regarding opaque structs

---
 Cargo.toml   |  1 -
 src/error.rs |  1 -
 src/ffi.rs   | 26 +++++++++++++-------------
 src/lib.rs   |  2 --
 src/utils.rs |  2 --
 5 files changed, 13 insertions(+), 19 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index a67079f..1f9adc5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,5 +5,4 @@ authors = ["C. Morgan Hamill <me@cmhamill.org>",
            "Dirk Van Haerenborgh <vhdirk@gmail.com>"]
 
 [dependencies]
-notmuch-sys = "*"
 libc = "0.2"
diff --git a/src/error.rs b/src/error.rs
index 046e17f..b1e5cdc 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -6,7 +6,6 @@ use std::{
     result,
 };
 
-use ffi_sys;
 use ffi;
 
 pub type Result<T> = result::Result<T, Error>;
diff --git a/src/ffi.rs b/src/ffi.rs
index 6d2ceeb..bd59941 100644
--- a/src/ffi.rs
+++ b/src/ffi.rs
@@ -27,7 +27,7 @@ pub type notmuch_compact_status_cb_t = extern fn(*const c_char, *mut c_void);
 
 notmuch_enum! {
     #[repr(C)]
-    #[derive(Copy, Clone, Debug)]
+    #[derive(Debug, Eq, PartialEq, Clone, Copy)]
     pub enum notmuch_status_t => Status {
         NOTMUCH_STATUS_SUCCESS => Success,
         NOTMUCH_STATUS_OUT_OF_MEMORY => OutOfMemory,
@@ -86,7 +86,7 @@ impl error::Error for Status {
 
 notmuch_enum! {
     #[repr(C)]
-    #[derive(Copy, Clone, Debug)]
+    #[derive(Debug, Eq, PartialEq, Clone, Copy)]
     pub enum notmuch_database_mode_t => Mode {
         NOTMUCH_DATABASE_MODE_READ_ONLY => ReadOnly,
         NOTMUCH_DATABASE_MODE_READ_WRITE => ReadWrite
@@ -95,7 +95,7 @@ notmuch_enum! {
 
 notmuch_enum! {
     #[repr(C)]
-    #[derive(Copy, Clone, Debug)]
+    #[derive(Debug, Eq, PartialEq, Clone, Copy)]
     pub enum notmuch_sort_t => Sort {
         NOTMUCH_SORT_OLDEST_FIRST => OldestFirst,
         NOTMUCH_SORT_NEWEST_FIRST => NewestFirst,
@@ -117,7 +117,7 @@ notmuch_enum! {
 
 notmuch_enum! {
     #[repr(C)]
-    #[derive(Copy, Clone, Debug)]
+    #[derive(Debug, Eq, PartialEq, Clone, Copy)]
     pub enum notmuch_message_flag_t => MessageFlag {
         NOTMUCH_MESSAGE_FLAG_MATCH => Match,
         NOTMUCH_MESSAGE_FLAG_EXCLUDED => Excluded,
@@ -125,15 +125,15 @@ notmuch_enum! {
     }
 }
 
-#[repr(C)] pub struct notmuch_database_t;
-#[repr(C)] pub struct notmuch_query_t;
-#[repr(C)] pub struct notmuch_threads_t;
-#[repr(C)] pub struct notmuch_thread_t;
-#[repr(C)] pub struct notmuch_messages_t;
-#[repr(C)] pub struct notmuch_message_t;
-#[repr(C)] pub struct notmuch_tags_t;
-#[repr(C)] pub struct notmuch_directory_t;
-#[repr(C)] pub struct notmuch_filenames_t;
+#[repr(C)] pub struct notmuch_database_t(c_void);
+#[repr(C)] pub struct notmuch_query_t(c_void);
+#[repr(C)] pub struct notmuch_threads_t(c_void);
+#[repr(C)] pub struct notmuch_thread_t(c_void);
+#[repr(C)] pub struct notmuch_messages_t(c_void);
+#[repr(C)] pub struct notmuch_message_t(c_void);
+#[repr(C)] pub struct notmuch_tags_t(c_void);
+#[repr(C)] pub struct notmuch_directory_t(c_void);
+#[repr(C)] pub struct notmuch_filenames_t(c_void);
 
 #[link(name = "notmuch")]
 extern {
diff --git a/src/lib.rs b/src/lib.rs
index 63d190f..c7984e0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,6 @@
-
 #[macro_use]
 mod macros;
 
-extern crate notmuch_sys as ffi_sys;
 extern crate libc;
 
 mod utils;
diff --git a/src/utils.rs b/src/utils.rs
index af3ce29..8aad8f7 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -4,8 +4,6 @@ use std::{
     str,
 };
 
-use std::os::unix::ffi::OsStrExt;
-
 use libc;
 
 pub trait NewFromPtr<T> {
-- 
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