35 lines
1023 B
Diff
35 lines
1023 B
Diff
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# HG changeset patch
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# Parent 2ac53905d95e6d02f53c99f6e2fa38f7306b8800
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libxc: add bitmap_clear function
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Signed-off-by: Olaf Hering <olaf@aepfle.de>
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---
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tools/libxc/xc_bitops.h | 6 ++++++
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1 file changed, 6 insertions(+)
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Index: xen-4.1.2-testing/tools/libxc/xc_bitops.h
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===================================================================
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--- xen-4.1.2-testing.orig/tools/libxc/xc_bitops.h
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+++ xen-4.1.2-testing/tools/libxc/xc_bitops.h
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@@ -4,6 +4,7 @@
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/* bitmap operations for single threaded access */
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#include <stdlib.h>
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+#include <string.h>
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#define BITS_PER_LONG (sizeof(unsigned long) * 8)
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#define ORDER_LONG (sizeof(unsigned long) == 4 ? 5 : 6)
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@@ -25,6 +26,11 @@ static inline unsigned long *bitmap_allo
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return calloc(1, bitmap_size(nr_bits));
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}
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+static inline void bitmap_clear(unsigned long *addr, int nr_bits)
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+{
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+ memset(addr, 0, bitmap_size(nr_bits));
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+}
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+
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static inline int test_bit(int nr, volatile unsigned long *addr)
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{
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return (BITMAP_ENTRY(nr, addr) >> BITMAP_SHIFT(nr)) & 1;
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