Add hardware crc impl

[folly.git] / folly / Checksum.h

diff --git a/folly/Checksum.h b/folly/Checksum.h
index 24ce9a47f80238538bb9ca50c6614c5e2c1738cf..642ad2586f75402dc99f955a2516240df35a911f 100644 (file)
--- a/folly/Checksum.h
+++ b/folly/Checksum.h
@@ -37,4 +37,12 @@ namespace folly {
 uint32_t crc32c(const uint8_t* data, size_t nbytes,
     uint32_t startingChecksum = ~0U);
 
+/**
+ * Compute the CRC-32 checksum of a buffer, using a hardware-accelerated
+ * implementation if available or a portable software implementation as
+ * a default.
+ */
+uint32_t
+crc32(const uint8_t* data, size_t nbytes, uint32_t startingChecksum = ~0U);
+
 } // folly