lib/stpcpy.c

   1 /* stpcpy.c -- copy a string and return pointer to end of new string
   2    Copyright (C) 1992, 1995, 1997, 1998 Free Software Foundation, Inc.
   3
   4    NOTE: The canonical source of this file is maintained with the GNU C Library.
   5    Bugs can be reported to bug-glibc@prep.ai.mit.edu.
   6
   7    This program is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by the
   9    Free Software Foundation; either version 2, or (at your option) any
  10    later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20    USA.  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 # include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #undef __stpcpy
  29 #undef stpcpy
  30
  31 #ifndef weak_alias
  32 # define __stpcpy stpcpy
  33 #endif
  34
  35 /* Copy SRC to DEST, returning the address of the terminating '\0' in DEST.  */
  36 char *
  37 __stpcpy (dest, src)
  38      char *dest;
  39      const char *src;
  40 {
  41   register char *d = dest;
  42   register const char *s = src;
  43
  44   do
  45     *d++ = *s;
  46   while (*s++ != '\0');
  47
  48   return d - 1;
  49 }
  50 #ifdef weak_alias
  51 weak_alias (__stpcpy, stpcpy)
  52 #endif