1 files changed, 49 insertions, 0 deletions
diff --git a/lib/sh/strnlen.c b/lib/sh/strnlen.c
new file mode 100644
index 0000000..10414d3
--- /dev/null
+++ b/lib/sh/strnlen.c
@@ -0,0 +1,49 @@
+/* strnlen - return length of passed string, with length limit */
+
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+   
+   Bash 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 3 of the License, or
+   (at your option) any later version.
+
+   Bash 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 Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#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