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-rw-r--r--include/qemu/range.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/qemu/range.h b/include/qemu/range.h
index 7e2b1cc447..205e1da76d 100644
--- a/include/qemu/range.h
+++ b/include/qemu/range.h
@@ -217,6 +217,20 @@ static inline int ranges_overlap(uint64_t first1, uint64_t len1,
     return !(last2 < first1 || last1 < first2);
 }
 
+/*
+ * Return -1 if @a < @b, 1 @a > @b, and 0 if they touch or overlap.
+ * Both @a and @b must not be empty.
+ */
+int range_compare(Range *a, Range *b);
+
 GList *range_list_insert(GList *list, Range *data);
 
+/*
+ * Inverse an array of sorted ranges over the [low, high] span, ie.
+ * original ranges becomes holes in the newly allocated inv_ranges
+ */
+void range_inverse_array(GList *in_ranges,
+                         GList **out_ranges,
+                         uint64_t low, uint64_t high);
+
 #endif