1: /* Test and measure stpcpy checking functions.
    2:    Copyright (C) 1999, 2002, 2004 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Written by Jakub Jelinek <jakub@redhat.com>, 1999.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library 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:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #define STRCPY_RESULT(dst, len) ((dst) + (len))
   22: #define TEST_MAIN
   23: #include "../string/test-string.h"
   24: 
   25: extern void __attribute__ ((noreturn)) __chk_fail (void);
   26: char *simple_stpcpy_chk (char *, const char *, size_t);
   27: extern char *normal_stpcpy (char *, const char *, size_t)
   28:   __asm ("stpcpy");
   29: extern char *__stpcpy_chk (char *, const char *, size_t);
   30: 
   31: IMPL (simple_stpcpy_chk, 0)
   32: IMPL (normal_stpcpy, 1)
   33: IMPL (__stpcpy_chk, 2)
   34: 
   35: char *
   36: simple_stpcpy_chk (char *dst, const char *src, size_t len)
   37: {
   38:   if (! len)
   39:     __chk_fail ();
   40:   while ((*dst++ = *src++) != '\0')
   41:     if (--len == 0)
   42:       __chk_fail ();
   43:   return dst - 1;
   44: }
   45: 
   46: #include "test-strcpy_chk.c"