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/* Find the length of STRING, but scan at most MAXLEN characters.
   Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library 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.

   The GNU C Library 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 the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#if HAVE_CONFIG_H
# include <config.h>
#endif

#if HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
#  include <memory.h>
# endif
# include <string.h>
#else
# include <strings.h>
#endif

#ifndef HAVE_DECL_MEMCHR
"this configure-time declaration test was not run"
#endif
#if !HAVE_DECL_MEMCHR
char *memchr ();
#endif

#undef __strnlen
#undef strnlen

#ifndef weak_alias
# define __strnlen strnlen
#endif

/* Find the length of STRING, but scan at most MAXLEN characters.
   If no '\0' terminator is found in that many characters, return MAXLEN.  */

size_t
__strnlen (const char *string, size_t maxlen)
{
  const char *end = memchr (string, '\0', maxlen);
  return end ? end - string : maxlen;
}
#ifdef weak_alias
weak_alias (__strnlen, strnlen)
#endif
kc3-lang/gnulib/lib/strnlen.c

Commit

lib/strnlen.c
