[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ext2fs/crc16.h b/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ext2fs/crc16.h
new file mode 100644
index 0000000..322e68d
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/lib/ext2fs/crc16.h
@@ -0,0 +1,26 @@
+/*
+ * crc16.h - CRC-16 routine
+ *
+ * Implements the standard CRC-16:
+ * Width 16
+ * Poly 0x8005 (x16 + x15 + x2 + 1)
+ * Init 0
+ *
+ * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com>
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+
+#ifndef __CRC16_H
+#define __CRC16_H
+
+/* for an unknown reason, PPC treats __u16 as signed and keeps doing sign
+ * extension on the value. Instead, use only the low 16 bits of an
+ * unsigned int for holding the CRC value to avoid this.
+ */
+typedef unsigned int crc16_t;
+
+extern crc16_t ext2fs_crc16(crc16_t crc, const void *buffer, unsigned int len);
+
+#endif /* __CRC16_H */