~linaro-toolchain-dev/cortex-strings/trunk

/* Copyright (C) 1991, 1997, 2000, 2003 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <stddef.h>

#include <string.h>

#include "memcopy.h"

#include "bp-checks.h"

#undef strcpy

/* Copy SRC to DEST.  */

char *

strcpy (dest, src)

     char *dest;

     const char *src;

{

  char c;

  char *__unbounded s = (char *__unbounded) CHECK_BOUNDS_LOW (src);

  const ptrdiff_t off = CHECK_BOUNDS_LOW (dest) - s - 1;

  size_t n;

  do

    {

      c = *s++;

      s[off] = c;

    }

  while (c != '\0');

  n = s - src;

  (void) CHECK_BOUNDS_HIGH (src + n);

  (void) CHECK_BOUNDS_HIGH (dest + n);

  return dest;

}