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34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/* Copyright (C) 2004-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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/* Return 1 if the whole area PTR .. PTR+SIZE is not writable.
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Return -1 if it is writable. */
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int
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__readonly_area (const void *ptr, size_t size)
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{
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/* We cannot determine in general whether memory is writable or not.
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This must be handled in a system-dependent manner. to not
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unconditionally break code we need to return here a positive
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answer. This disables this security measure but that is the
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price people have to pay for using systems without a real
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implementation of this interface. */
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return 1;
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}
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