From 0c20c65e2f3abf390ad87c9167daca4cdff2de39 Mon Sep 17 00:00:00 2001
From: Dana Robinson <derobins@hdfgroup.org>
Date: Fri, 15 Mar 2019 08:45:38 -0700
Subject: Added the HDopen work-around on windows to pio_engine.c

---
 tools/test/perform/pio_engine.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/test/perform/pio_engine.c b/tools/test/perform/pio_engine.c
index 1c0d621..43a0f64 100644
--- a/tools/test/perform/pio_engine.c
+++ b/tools/test/perform/pio_engine.c
@@ -82,6 +82,12 @@
 
 
 /* POSIX I/O macros */
+#ifdef H5_HAVE_WIN32_API
+/* Can't link against the library, so this test will use the older, non-Unicode
+ * _open() call on Windows.
+ */
+#define HDopen(S,F,...)           _open(S, F | _O_BINARY, __VA_ARGS__)
+#endif /* H5_HAVE_WIN32_API */
 #define POSIXCREATE(fn)           HDopen(fn, O_CREAT|O_TRUNC|O_RDWR, 0600)
 #define POSIXOPEN(fn, F)          HDopen(fn, F, 0600)
 #define POSIXCLOSE(F)             HDclose(F)
-- 
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