Mercurial > hg > octave-kai > gnulib-hg
changeset 2468:e64b459023ba
New file, from glibc.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Thu, 04 May 2000 06:34:23 +0000 |
parents | 44b4f0b3ee61 |
children | 3e7cc1ecce32 |
files | lib/strnlen.c |
diffstat | 1 files changed, 33 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /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 <string.h> + +/* 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