To check if two regions overlap
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
include/common.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/include/common.h b/include/common.h
index c1f44b4..e30774a 100644
--- a/include/common.h
+++ b/include/common.h
@@ -256,4 +256,17 @@ static inline void barebox_banner(void) {}
(__x < 0) ? -__x : __x; \
})
+/*
+ * Check if two regions overlap. returns true if they do, false otherwise
+ */
+static inline bool region_overlap(unsigned long starta, unsigned long lena,
+ unsigned long startb, unsigned long lenb)
+{
+ if (starta + lena <= startb)
+ return 0;
+ if (startb + lenb <= starta)
+ return 0;
+ return 1;
+}
+
#endif /* __COMMON_H_ */
--
1.7.10.4
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