From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: [PATCH 11 of 20] libxc: add bitmap_clear function
Date: Sun, 20 Nov 2011 19:34:16 +0100
Message-ID: <e74c938d38518f6f6344.1321814056@probook.site>
References: <patchbomb.1321814045@probook.site>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <patchbomb.1321814045@probook.site>
List-Unsubscribe: <http://lists.xensource.com/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: xen-devel@lists.xensource.com
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org

# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1321804960 -3600
# Node ID e74c938d38518f6f6344c9bcc6b7c8916a073594
# Parent  cc72e36fa9c3a6a467ad12188551f6f233185fc9
libxc: add bitmap_clear function

Signed-off-by: Olaf Hering <olaf@aepfle.de>

diff -r cc72e36fa9c3 -r e74c938d3851 tools/libxc/xc_bitops.h
--- a/tools/libxc/xc_bitops.h
+++ b/tools/libxc/xc_bitops.h
@@ -4,6 +4,7 @@
 /* bitmap operations for single threaded access */
 
 #include <stdlib.h>
+#include <string.h>
 
 #define BITS_PER_LONG (sizeof(unsigned long) * 8)
 #define ORDER_LONG (sizeof(unsigned long) == 4 ? 5 : 6)
@@ -25,6 +26,11 @@ static inline unsigned long *bitmap_allo
     return calloc(1, bitmap_size(nr_bits));
 }
 
+static inline void bitmap_clear(unsigned long *addr, int nr_bits)
+{
+    memset(addr, 0, bitmap_size(nr_bits));
+}
+
 static inline int test_bit(int nr, volatile unsigned long *addr)
 {
     return (BITMAP_ENTRY(nr, addr) >> BITMAP_SHIFT(nr)) & 1;