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37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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//===-- Including stdlib.h in overlay mode --------------------------------===//
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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_HDR_STDLIB_OVERLAY_H
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#define LLVM_LIBC_HDR_STDLIB_OVERLAY_H
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#ifdef LIBC_FULL_BUILD
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#error "This header should only be included in overlay mode"
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#endif
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// Overlay mode
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// glibc <stdlib.h> header might provide extern inline definitions for few
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// functions, causing external alias errors. They are guarded by
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// `__USE_FORTIFY_LEVEL`, which will be temporarily disabled.
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#ifdef __USE_FORTIFY_LEVEL
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#define LIBC_OLD_USE_FORTIFY_LEVEL __USE_FORTIFY_LEVEL
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#undef __USE_FORTIFY_LEVEL
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#define __USE_FORTIFY_LEVEL 0
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#endif
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#include <stdlib.h>
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#ifdef LIBC_OLD_USE_FORTIFY_LEVEL
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#undef __USE_FORTIFY_LEVEL
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#define __USE_FORTIFY_LEVEL LIBC_OLD_USE_FORTIFY_LEVEL
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#undef LIBC_OLD_USE_FORTIFY_LEVEL
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#endif
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#endif
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