50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/* Copyright (C) 1991, 1997, 2000, 2003 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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<http://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#include <string.h>
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#include <memcopy.h>
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#include <bp-checks.h>
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#undef strcpy
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/* Copy SRC to DEST. */
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char *
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strcpy (dest, src)
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char *dest;
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const char *src;
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{
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reg_char c;
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char *__unbounded s = (char *__unbounded) CHECK_BOUNDS_LOW (src);
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const ptrdiff_t off = CHECK_BOUNDS_LOW (dest) - s - 1;
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size_t n;
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do
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{
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c = *s++;
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s[off] = c;
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}
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while (c != '\0');
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n = s - src;
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(void) CHECK_BOUNDS_HIGH (src + n);
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(void) CHECK_BOUNDS_HIGH (dest + n);
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return dest;
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}
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libc_hidden_builtin_def (strcpy)
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