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[3/6] utils: add range_size() wrapper

Message ID 1374996553-21828-4-git-send-email-imammedo@redhat.com
State New
Headers show

Commit Message

Igor Mammedov July 28, 2013, 7:29 a.m. UTC
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 include/qemu/range.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/include/qemu/range.h b/include/qemu/range.h
index b76cc0d..19b742c 100644
--- a/include/qemu/range.h
+++ b/include/qemu/range.h
@@ -42,4 +42,10 @@  static inline int ranges_overlap(uint64_t first1, uint64_t len1,
     return !(last2 < first1 || last1 < first2);
 }
 
+/* Get range size */
+static inline uint64_t range_size(Range r)
+{
+    return r.end - r.begin;
+}
+
 #endif