Patch around bug in libuv 1.x that globally changes the default stdio FILE mode.

It might be possible to do this at binary loading time with some clever intradiction, or at build time but this is simplest.
[skip travis]

CHANGES.rst

@@ -9,9 +9,14 @@
 
 - Formatting run info no longer includes ``gevent.local.local``
   objects that have no value in the greenlet. See :issue:`1275`.
+
 - Fixed negative length in pywsgi's Input read functions for non chunked body.
   Reported in :issue:`1274` by tzickel.
-- Upgrabe libuv from 1.22.0 to 1.23.2.
+
+- Upgrade libuv from 1.22.0 to 1.23.2.
+
+- Fix opening files in text mode in CPython 2 on Windows by patching
+  libuv. See :issue:`1282` reported by wiggin15.
 
 1.3.6 (2018-08-17)
 ==================

deps/README.rst

@@ -19,3 +19,6 @@ Updating libuv
   - rm -rf libuv/test
   - rm -rf libuv/tools
   - rm -f libuv/android-configure*
+
+- Apply the patches to libuv:
+  - git apply libuv-win-binary.patch

deps/libuv-win-binary.patch

+diff --git a/deps/libuv/src/win/fs.c b/deps/libuv/src/win/fs.c
+index 812c1a6d..f4d66628 100644
+--- a/deps/libuv/src/win/fs.c
++++ b/deps/libuv/src/win/fs.c
+@@ -135,7 +135,14 @@ const WCHAR UNC_PATH_PREFIX_LEN = 8;
+ static int uv__file_symlink_usermode_flag = SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE;
+ 
+ void uv_fs_init(void) {
+-  _fmode = _O_BINARY;
++/* gevent: This breaks `open()` on CPython 2 by changing
++ * the default mode for file operations. Python 3 and PyPy
++ * ar unaffected. It was removed for the (unreleased) libuv 2.
++ * See https://github.com/gevent/gevent/issues/1282
++ */
++/*
++ * _fmode = _O_BINARY;
++ */
+ }
+ 
+ 

deps/libuv/src/win/fs.c

@@ -135,7 +135,14 @@ const WCHAR UNC_PATH_PREFIX_LEN = 8;
 static int uv__file_symlink_usermode_flag = SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE;
 
 void uv_fs_init(void) {
-  _fmode = _O_BINARY;
+/* gevent: This breaks `open()` on CPython 2 by changing
+ * the default mode for file operations. Python 3 and PyPy
+ * ar unaffected. It was removed for the (unreleased) libuv 2.
+ * See https://github.com/gevent/gevent/issues/1282
+ */
+/*
+ * _fmode = _O_BINARY;
+ */
 }