//===----------------------- config_elast.h -------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_CONFIG_ELAST
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#define _LIBCPP_CONFIG_ELAST
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#include <__config>
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#if defined(_LIBCPP_MSVCRT_LIKE)
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#include <stdlib.h>
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#else
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#include <errno.h>
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#endif
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#if defined(ELAST)
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#define _LIBCPP_ELAST ELAST
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#elif defined(_NEWLIB_VERSION)
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#define _LIBCPP_ELAST __ELASTERROR
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#elif defined(__Fuchsia__)
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// No _LIBCPP_ELAST needed on Fuchsia
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#elif defined(__linux__) || defined(_LIBCPP_HAS_MUSL_LIBC)
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#define _LIBCPP_ELAST 4095
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#elif defined(__APPLE__)
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// No _LIBCPP_ELAST needed on Apple
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#elif defined(__sun__)
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#define _LIBCPP_ELAST ESTALE
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#elif defined(_LIBCPP_MSVCRT_LIKE)
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#define _LIBCPP_ELAST (_sys_nerr - 1)
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#else
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// Warn here so that the person doing the libcxx port has an easier time:
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#warning ELAST for this platform not yet implemented
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#endif
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#endif // _LIBCPP_CONFIG_ELAST
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