X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrnlen.c;h=92b65ebca1b35a12ca061287cf9b278520a06b41;hb=01d0ac747bd4fb13d03afb06ba25ccf4d4d2d7c6;hp=f5681ca383919053795d35fc4dba5f96388b8121;hpb=e09a10a64b73f68041ba64de52dba9c91d04bca1;p=gnulib.git diff --git a/lib/strnlen.c b/lib/strnlen.c index f5681ca38..92b65ebca 100644 --- a/lib/strnlen.c +++ b/lib/strnlen.c @@ -1,51 +1,30 @@ /* 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. + Copyright (C) 2005-2007, 2009-2012 Free Software Foundation, Inc. + Written by Simon Josefsson. - 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. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. - The GNU C Library is distributed in the hope that it will be useful, + This program 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. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU 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. */ + You should have received a copy of the GNU General Public License + along with this program; if not, see . */ -#if HAVE_CONFIG_H -# include -#endif +#include #include -#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) +strnlen (const char *string, size_t maxlen) { const char *end = memchr (string, '\0', maxlen); - return end ? end - string : maxlen; + return end ? (size_t) (end - string) : maxlen; } -#ifdef weak_alias -weak_alias (__strnlen, strnlen) -#endif