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3rdparty/shaderc/libshaderc_util/include/libshaderc_util/universal_unistd.h

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+// Copyright 2015 The Shaderc Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef LIBSHADERC_UTIL_UNIVERSAL_UNISTD_H_
+#define LIBSHADERC_UTIL_UNIVERSAL_UNISTD_H_
+
+#ifndef _MSC_VER
+#include <unistd.h>
+#else
+// Minimal set of <unistd> needed to compile on windows.
+
+#include <io.h>
+#define access _access
+
+// https://msdn.microsoft.com/en-us/library/1w06ktdy.aspx
+// Defines these constants.
+#define R_OK 4
+#define W_OK 2
+#endif //_MSC_VER
+
+#endif // LIBSHADERC_UTIL_UNIVERSAL_UNISTD_H_