aboutsummaryrefslogtreecommitdiff
path: root/wcsmbs/wcsnlen.c
diff options
context:
space:
mode:
Diffstat (limited to 'wcsmbs/wcsnlen.c')
-rw-r--r--wcsmbs/wcsnlen.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/wcsmbs/wcsnlen.c b/wcsmbs/wcsnlen.c
new file mode 100644
index 0000000..5264a66
--- /dev/null
+++ b/wcsmbs/wcsnlen.c
@@ -0,0 +1,44 @@
+/* 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)