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d674f0ef38
To simplify additions of debug routines we replace a custom function implementation by a simple call.
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Copy memory to memory until the specified number of bytes
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has been copied with error checking. Overlap is handled correctly.
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Copyright (C) 1991-2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Torbjorn Granlund (tege@sics.se).
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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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<http://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <memcopy.h>
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#include <pagecopy.h>
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#ifndef MEMMOVE_CHK
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# define MEMMOVE_CHK __memmove_chk
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#endif
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void *
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MEMMOVE_CHK (dest, src, len, destlen)
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void *dest;
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const void *src;
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size_t len;
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size_t destlen;
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{
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if (__builtin_expect (destlen < len, 0))
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__chk_fail ();
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return memmove (dest, src, len);
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}
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