1  /* Implement the stpcpy function.
       2     Copyright (C) 2003-2023 Free Software Foundation, Inc.
       3     Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
       4  
       5  This file is part of the libiberty library.
       6  Libiberty is free software; you can redistribute it and/or
       7  modify it under the terms of the GNU Library General Public
       8  License as published by the Free Software Foundation; either
       9  version 2 of the License, or (at your option) any later version.
      10  
      11  Libiberty is distributed in the hope that it will be useful,
      12  but WITHOUT ANY WARRANTY; without even the implied warranty of
      13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14  Library General Public License for more details.
      15  
      16  You should have received a copy of the GNU Library General Public
      17  License along with libiberty; see the file COPYING.LIB.  If
      18  not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
      19  Boston, MA 02110-1301, USA.  */
      20  
      21  /*
      22  
      23  @deftypefn Supplemental char* stpcpy (char *@var{dst}, const char *@var{src})
      24  
      25  Copies the string @var{src} into @var{dst}.  Returns a pointer to
      26  @var{dst} + strlen(@var{src}).
      27  
      28  @end deftypefn
      29  
      30  */
      31  
      32  #include <ansidecl.h>
      33  #include <stddef.h>
      34  
      35  extern size_t strlen (const char *);
      36  extern void *memcpy (void *, const void *, size_t);
      37  
      38  char *
      39  stpcpy (char *dst, const char *src)
      40  {
      41    const size_t len = strlen (src);
      42    return (char *) memcpy (dst, src, len + 1) + len;
      43  }