llvm-gcc-4.0/libiberty/stpcpy.c

/* Implement the stpcpy function.
   Copyright (C) 2003 Free Software Foundation, Inc.
   Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.

This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

Libiberty 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/*

@deftypefn Supplemental char* stpcpy (char *@var{dst}, const char *@var{src})

Copies the string @var{src} into @var{dst}.  Returns a pointer to
@var{dst} + strlen(@var{src}).

@end deftypefn

*/

#include <ansidecl.h>
#ifdef ANSI_PROTOTYPES
#include <stddef.h>
#else
#define size_t unsigned long
#endif

extern size_t strlen PARAMS ((const char *));
extern PTR memcpy PARAMS ((PTR, const PTR, size_t));

char *
stpcpy (dst, src)
     char *dst;
     const char *src;
{
  const size_t len = strlen (src);
  return (char *) memcpy (dst, src, len + 1) + len;
}