From cea745beaa31c519aeafd58f127383a38ab92c78 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Thu, 4 May 2000 06:34:23 +0000 Subject: New file, from glibc. --- lib/strnlen.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 lib/strnlen.c (limited to 'lib') diff --git a/lib/strnlen.c b/lib/strnlen.c new file mode 100644 index 000000000..a2fcf73d7 --- /dev/null +++ b/lib/strnlen.c @@ -0,0 +1,33 @@ +/* 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. */ + +#include + +/* 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 -- cgit v1.2.3-70-g09d2