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69258491d2
Rather than selecting the errno implementation based on the platform which doesn't provide the necessary flexibility, make it configurable. The errno value location is returned by `int *__llvm_libc_errno()` which is a common design used by other C libraries.
37 lines
844 B
Modula-2
37 lines
844 B
Modula-2
//===-- C standard library header errno.h ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_ERRNO_H
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#define LLVM_LIBC_ERRNO_H
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#include "__llvm-libc-common.h"
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#ifdef __linux__
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#include <linux/errno.h>
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#ifndef ENOTSUP
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#define ENOTSUP EOPNOTSUPP
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#endif // ENOTSUP
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#include "llvm-libc-macros/linux/error-number-macros.h"
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#else // __linux__
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#include "llvm-libc-macros/generic-error-number-macros.h"
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#endif
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__BEGIN_C_DECLS
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int *__llvm_libc_errno(void) __NOEXCEPT;
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__END_C_DECLS
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#define errno (*__llvm_libc_errno())
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#endif // LLVM_LIBC_ERRNO_H
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