1 files changed, 51 insertions, 0 deletions
diff --git a/wcsmbs/mbsdup.c b/wcsmbs/mbsdup.c
new file mode 100644
index 0000000000..2d196dd06d
--- /dev/null
+++ b/wcsmbs/mbsdup.c
@@ -0,0 +1,51 @@
+/* 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>
+
+
+/* Duplicate MBS, returning an identical malloc'd string.  */
+char *
+mbsdup (mbs)
+    const char *mbs;
+{
+  size_t len = 0;
+  int clen = 0;
+  char *retval;
+
+  /* Reset multibyte characters to their initial state.	 */
+  (void) mblen ((char *) NULL, 0);
+
+  do
+    {
+      len += clen;
+      clen = mblen (&mbs[len], MB_CUR_MAX);
+    }
+  while (clen > 0);
+
+  retval = (char *) malloc (len + 1);
+  if (retval != NULL)
+    {
+      (void) memcpy ((void *) retval, (void *) mbs, len);
+      retval[len] = '\0';   /* '\0' is the multibyte representation of L'\0' */
+    }
+
+  return retval;
+}
+