* Makefile (subdirs): Added wcsmbs. cvs/libc-960208

	* wcsmbs: New directory of wide char/multibyte char functions from
	drepper.

1 files changed, 61 insertions, 0 deletions

diff --git a/wcsmbs/mbsncat.c b/wcsmbs/mbsncat.c
new file mode 100644
index 0000000000..3dd4df1c70
--- /dev/null
+++ b/wcsmbs/mbsncat.c
@@ -0,0 +1,61 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <mbstr.h>
+#include <stdlib.h>
+
+
+/* Append no more than N multi-byte characters from SRC onto DEST.  */
+char *
+mbsncat (dest, src, n)
+    char *dest;
+    const char *src;
+    size_t n;
+{
+  const char * const d = dest;
+  const char * const s = src;
+  size_t len = 0;
+  int clen = 0;
+
+  if (n == 0)
+    return (char *) d;
+
+  /* Reset multibyte characters to their initial state.	 */
+  (void) mblen ((char *) NULL, 0);
+
+  do
+    {
+      dest += clen;
+      clen = mblen (dest, MB_CUR_MAX);
+    }
+  while (clen > 0);
+
+  clen = 0;
+  do
+    {
+      src += clen;
+      clen = mblen (src, MB_CUR_MAX);
+    }
+  while (clen > 0 && ++len < n);
+
+  (void) memcpy ((void *) dest, (void *) s, src - s);
+  dest[src - s] = '\0';	    /* '\0' is the multibyte representation of L'\0' */
+
+  return (char *) d;
+}
+