[coreboot-gerrit] Change in coreboot[master]: commonlib/region: Add region_overlap

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/41083 )

Change subject: commonlib/region: Add region_overlap
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commonlib/region: Add region_overlap

Add inline function to check if two regions overlap.

Change-Id: I6f3dfaa9f0805893bd691ba64f112944d89a8e71
Signed-off-by: Patrick Rudolph 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41083
Tested-by: build bot (Jenkins) 
Reviewed-by: Julius Werner 
Reviewed-by: Angel Pons 
---
M src/commonlib/include/commonlib/region.h
1 file changed, 7 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Julius Werner: Looks good to me, approved
  Angel Pons: Looks good to me, approved

diff --git a/src/commonlib/include/commonlib/region.h b/src/commonlib/include/commonlib/region.h
index 86b9ee3..08b9191 100644
--- a/src/commonlib/include/commonlib/region.h
+++ b/src/commonlib/include/commonlib/region.h
@@ -7,6 +7,7 @@
 #include <sys/types.h>
 #include <stdint.h>
 #include <stddef.h>
+#include <stdbool.h>
 #include <commonlib/mem_pool.h>

/*
@@ -117,6 +118,12 @@
    return region_offset(r) + region_sz(r);
 }

+static inline bool region_overlap(const struct region *r1, const struct region *r2)
+{
+	return (region_end(r1) > region_offset(r2)) &&
+	       (region_offset(r1) < region_end(r2));
+}
+
 static inline const struct region *region_device_region(
    				const struct region_device *rdev)
 {