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| author | Michal Zidek <mzidek@redhat.com> | 2013-08-14 18:22:06 +0200 |
|---|---|---|
| committer | Jakub Hrozek <jhrozek@redhat.com> | 2013-08-19 20:57:00 +0200 |
| commit | c58c458dc919104958454f33e6887791e5965a33 (patch) | |
| tree | 2ca2070a49a5202de70cd25e97bc630db7340653 /src/util/mmap_cache.h | |
| parent | 87fb9c039db9acdc1f00de35d3373e8e5788d432 (diff) | |
| download | sssd-c58c458dc919104958454f33e6887791e5965a33.tar.gz sssd-c58c458dc919104958454f33e6887791e5965a33.tar.xz sssd-c58c458dc919104958454f33e6887791e5965a33.zip | |
mmap_cache: Off by one error.
Removes off by one error when using macro MC_SIZE_TO_SLOTS
and adds new macro MC_SLOT_WITHIN_BOUNDS.
Diffstat (limited to 'src/util/mmap_cache.h')
| -rw-r--r-- | src/util/mmap_cache.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/util/mmap_cache.h b/src/util/mmap_cache.h index 6c223df6c..abf8cac49 100644 --- a/src/util/mmap_cache.h +++ b/src/util/mmap_cache.h @@ -67,6 +67,9 @@ typedef uint32_t rel_ptr_t; #define MC_SLOT_TO_PTR(base, slot, type) \ (type *)((base) + ((slot) * MC_SLOT_SIZE)) +#define MC_SLOT_WITHIN_BOUNDS(slot, dt_size) \ + ((slot) < ((dt_size) / MC_SLOT_SIZE)) + #define MC_VALID_BARRIER(val) (((val) & 0xff000000) == 0xf0000000) #define MC_CHECK_RECORD_LENGTH(mc_ctx, rec) \ |