diff options
Diffstat (limited to 'lib/sh/strnlen.c')
-rw-r--r-- | lib/sh/strnlen.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/sh/strnlen.c b/lib/sh/strnlen.c new file mode 100644 index 0000000..da8feec --- /dev/null +++ b/lib/sh/strnlen.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + + 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. + + 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined (HAVE_STRNLEN) + +#include <sys/types.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdc.h> + +/* Find the length of S, but scan at most MAXLEN characters. If no '\0' + terminator is found within the first MAXLEN characters, return MAXLEN. */ +size_t +strnlen (s, maxlen) + register const char *s; + size_t maxlen; +{ + register const char *e; + size_t n; + + for (e = s, n = 0; *e && n < maxlen; e++, n++) + ; + return n; +} +#endif |