From: Martin Mares <mj@ucw.cz>
Date: Sun, 18 Mar 2012 22:35:06 +0000 (+0100)
Subject: CRC: Added inclusion guards
X-Git-Tag: v5.99~183
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=4b1cb0df244405c720734176ffbff9195cebc118;p=libucw.git

CRC: Added inclusion guards
---

diff --git a/ucw/crc.h b/ucw/crc.h
index a5134267..73363ddb 100644
--- a/ucw/crc.h
+++ b/ucw/crc.h
@@ -16,6 +16,9 @@
  *	Adapted for LibUCW by Martin Mares <mj@ucw.cz> in 2012.
  */
 
+#ifndef _UCW_CRC_H
+#define _UCW_CRC_H
+
 /**
  * Internal CRC calculator context.
  * You should use it just as an opaque handle only.
@@ -65,3 +68,5 @@ static inline u32 crc32_final(crc32_context *ctx)
  *  return crc32_final(&ctx);
  */
 u32 crc32_hash_buffer(const byte *buf, uns len);
+
+#endif