string/stpcpy.c

   1 /* Copyright (C) 1992-2013 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    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22 #include <string.h>
  23
  24 #undef __stpcpy
  25 #undef stpcpy
  26
  27 #ifndef weak_alias
  28 # define __stpcpy stpcpy
  29 #endif
  30
  31 /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST.  */
  32 char *
  33 __stpcpy (dest, src)
  34      char *dest;
  35      const char *src;
  36 {
  37   register char *d = dest;
  38   register const char *s = src;
  39
  40   do
  41     *d++ = *s;
  42   while (*s++ != '\0');
  43
  44   return d - 1;
  45 }
  46 #ifdef libc_hidden_def
  47 libc_hidden_def (__stpcpy)
  48 #endif
  49 #ifdef weak_alias
  50 weak_alias (__stpcpy, stpcpy)
  51 #endif
  52 #ifdef libc_hidden_builtin_def
  53 libc_hidden_builtin_def (stpcpy)
  54 #endif