CRC module.

[ccan] / ccan / crc / crc.h

diff --git a/ccan/crc/crc.h b/ccan/crc/crc.h
new file mode 100644 (file)
index 0000000..16994fc
--- /dev/null
+++ b/ccan/crc/crc.h
@@ -0,0 +1,15 @@
+#ifndef CCAN_CRC_H
+#define CCAN_CRC_H
+#include <stdint.h>
+#include <stdlib.h>
+
+/**
+ * crc32 - 32 bit crc of string of bytes
+ * @buf: pointer to bytes
+ * @size: length of buffer
+ *
+ * 32 bit CRC checksum using polynomial
+ * X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0.
+ */
+uint32_t crc32(const void *buf, size_t size);
+#endif /* CCAN_CRC_H */