1 files changed, 21 insertions, 0 deletions
diff --git a/crc32.h b/crc32.h
new file mode 100644
index 0000000..f3f8caf
--- /dev/null
+++ b/crc32.h
@@ -0,0 +1,21 @@
+#ifndef CRC32_H
+#define CRC32_H
+
+/* $Id: crc32.h,v 1.6 2005/11/07 11:15:09 gleixner Exp $ */
+
+#include <stdint.h>
+
+extern const uint32_t crc32_table[256];
+
+/* Return a 32-bit CRC of the contents of the buffer. */
+
+static inline uint32_t
+crc32(uint32_t val, const void *ss, int len)
+{
+	const unsigned char *s = ss;
+        while (--len >= 0)
+                val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);
+        return val;
+}
+
+#endif