Add crc32c checksum
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/crc/crc32c.h b/crc/crc32c.h
new file mode 100644
index 0000000..1498db9
--- /dev/null
+++ b/crc/crc32c.h
@@ -0,0 +1,23 @@
+/* crc32c -- calculate and POSIX.2 checksum
+ Copyright (C) 92, 1995-1999 Free Software Foundation, Inc.
+
+ 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, 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. */
+
+#ifndef CRC32C_H
+#define CRC32C_H
+
+extern uint32_t crc32c(unsigned char const *, unsigned long);
+
+#endif