1  /* Copyright (C) 1992-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #ifdef HAVE_CONFIG_H
      19  # include <config.h>
      20  #endif
      21  
      22  #include <string.h>
      23  
      24  
      25  /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST.  */
      26  char *
      27  __stpcpy_chk (char *dest, const char *src, size_t destlen)
      28  {
      29    size_t len = strlen (src);
      30    if (len >= destlen)
      31      __chk_fail ();
      32  
      33    return memcpy (dest, src, len + 1) + len;
      34  }
      35  libc_hidden_builtin_def (__stpcpy_chk)