Imported from ../bash-3.1.tar.gz.

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