1 files changed, 87 insertions, 0 deletions
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
new file mode 100644
index 00000000000..a17adf4cb9b
--- /dev/null
+++ b/fs/cifs/cifs_unicode.c
@@ -0,0 +1,87 @@
+/*
+ *   fs/cifs/cifs_unicode.c
+ *
+ *   Copyright (c) International Business Machines  Corp., 2000,2002
+ *   Modified by Steve French (sfrench@us.ibm.com)
+ *
+ *   This program is free software;  you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or 
+ *   (at your option) any later version.
+ * 
+ *   This program 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 General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program;  if not, write to the Free Software 
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/fs.h>
+#include "cifs_unicode.h"
+#include "cifs_uniupr.h"
+#include "cifspdu.h"
+#include "cifs_debug.h"
+
+/*
+ * NAME:	cifs_strfromUCS()
+ *
+ * FUNCTION:	Convert little-endian unicode string to character string
+ *
+ */
+int
+cifs_strfromUCS_le(char *to, const wchar_t * from,	/* LITTLE ENDIAN */
+		   int len, const struct nls_table *codepage)
+{
+	int i;
+	int outlen = 0;
+
+	for (i = 0; (i < len) && from[i]; i++) {
+		int charlen;
+		/* 2.4.0 kernel or greater */
+		charlen =
+		    codepage->uni2char(le16_to_cpu(from[i]), &to[outlen],
+				       NLS_MAX_CHARSET_SIZE);
+		if (charlen > 0) {
+			outlen += charlen;
+		} else {
+			to[outlen++] = '?';
+		}
+	}
+	to[outlen] = 0;
+	return outlen;
+}
+
+/*
+ * NAME:	cifs_strtoUCS()
+ *
+ * FUNCTION:	Convert character string to unicode string
+ *
+ */
+int
+cifs_strtoUCS(wchar_t * to, const char *from, int len,
+	      const struct nls_table *codepage)
+{
+	int charlen;
+	int i;
+
+	for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
+
+		/* works for 2.4.0 kernel or later */
+		charlen = codepage->char2uni(from, len, &to[i]);
+		if (charlen < 1) {
+			cERROR(1,
+			       ("cifs_strtoUCS: char2uni returned %d",
+				charlen));
+			to[i] = cpu_to_le16(0x003f);	/* a question mark */
+			charlen = 1;
+		}
+		to[i] = cpu_to_le16(to[i]);
+
+	}
+
+	to[i] = 0;
+	return i;
+}
+