diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2020-05-06 10:52:55 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-08 15:31:17 +0000 |
| commit | 192a12fb6ab0b4a2033f087cec8a232d42a4c000 (patch) | |
| tree | 4b41df21125c7db8b7db6ab9947bb4a0da80b4b5 | |
| parent | 0cdc97cdd9a767bfe6e43ff4317796298976c457 (diff) | |
commonlib/region: Add region_overlap
Add inline function to check if two regions overlap.
Change-Id: I6f3dfaa9f0805893bd691ba64f112944d89a8e71
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41083
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
| -rw-r--r-- | src/commonlib/include/commonlib/region.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/commonlib/include/commonlib/region.h b/src/commonlib/include/commonlib/region.h index 86b9ee39cc..08b9191a66 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 @@ static inline size_t region_end(const struct region *r) 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) { |