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-rw-r--r--wcsmbs/wcsnlen.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/wcsmbs/wcsnlen.c b/wcsmbs/wcsnlen.c
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+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   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 <wchar.h>
+
+
+/* Copy SRC to DEST.  */
+size_t
+__wcsnlen (s, maxlen)
+     const wchar_t *s;
+     size_t maxlen;
+{
+  size_t len = 0;
+
+  while (s[len] != L'\0' && maxlen > 0)
+    {
+      if (s[++len] == L'\0' || --maxlen == 0)
+	return len;
+      if (s[++len] == L'\0' || --maxlen == 0)
+	return len;
+      if (s[++len] == L'\0' || --maxlen == 0)
+	return len;
+      ++len;
+    }
+
+  return len;
+}
+weak_alias (__wcsnlen, wcsnlen)