1 files changed, 61 insertions, 0 deletions
diff --git a/wcsmbs/mbsrchr.c b/wcsmbs/mbsrchr.c
new file mode 100644
index 0000000000..62fa219dd2
--- /dev/null
+++ b/wcsmbs/mbsrchr.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>
+
+#define __need_wchar_t
+#include <stddef.h>
+
+
+/* Find the last occurence of MBC in MBS.  */
+char *
+mbsrchr (mbs, mbc)
+    const char *mbs;
+    mbchar_t mbc;
+{
+  const char * retval = NULL;
+  int clen;
+  wchar_t wc;
+  wchar_t c;
+
+  /* Reset multibyte characters to their initial state.	 */
+  (void) mblen ((char *) NULL, 0);
+
+  clen = mbtowc (&wc, (char *) &mbc, MB_CUR_MAX);
+  if (clen < 0)
+    /* FIXME: search character MBC is illegal.	*/
+    return NULL;
+  else if (clen == 0)
+    wc = L'\0';
+
+  clen = 0;
+  do
+    {
+      mbs += clen;
+      clen = mbtowc (&c, mbs, MB_CUR_MAX);
+    }
+  while (clen > 0 && c != wc);
+
+  if (clen < 0)
+    /* FIXME: clen < 0 means illegal character in string.  */
+    return NULL;
+
+  return (char *) (clen > 0 || (clen == 0 && wc == L'\0') ? mbs : retval);
+}
+