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author | Pavel Březina <pbrezina@redhat.com> | 2013-01-07 15:31:44 +0100 |
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committer | Jakub Hrozek <jhrozek@redhat.com> | 2013-01-07 17:35:13 +0100 |
commit | 4869633dc87dadb2b9a114444d375c39703ac863 (patch) | |
tree | 3f7e01b5b248eb45737f066c239bfafe4be09b81 | |
parent | 5fbd461972cb4da117cc6b3d70a932ae4de6becf (diff) | |
download | sssd-4869633dc87dadb2b9a114444d375c39703ac863.tar.gz sssd-4869633dc87dadb2b9a114444d375c39703ac863.tar.bz2 sssd-4869633dc87dadb2b9a114444d375c39703ac863.zip |
memcache: make MC_PTR_TO_SLOT() more readable
-rw-r--r-- | src/util/mmap_cache.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/util/mmap_cache.h b/src/util/mmap_cache.h index 1f99c758..55383c05 100644 --- a/src/util/mmap_cache.h +++ b/src/util/mmap_cache.h @@ -63,8 +63,7 @@ typedef uint32_t rel_ptr_t; */ #define MC_SLOT_SIZE 32 #define MC_SIZE_TO_SLOTS(len) (((len) + (MC_SLOT_SIZE - 1)) / MC_SLOT_SIZE) -#define MC_PTR_TO_SLOT(base, ptr) \ - (((uint8_t *)(ptr) - (uint8_t *)(base)) / MC_SLOT_SIZE) +#define MC_PTR_TO_SLOT(base, ptr) (MC_PTR_DIFF(ptr, base) / MC_SLOT_SIZE) #define MC_SLOT_TO_PTR(base, slot, type) \ (type *)((base) + ((slot) * MC_SLOT_SIZE)) |