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| author | Michal Zidek <mzidek@redhat.com> | 2013-08-14 18:22:06 +0200 |
|---|---|---|
| committer | Jakub Hrozek <jhrozek@redhat.com> | 2013-09-03 16:23:33 +0200 |
| commit | 17db46b22e1c2d1575af3c715d92c1f936dd005b (patch) | |
| tree | 248c9c75bb6e0d51dab10fe9321ac800cdef4d35 /src/util/mmap_cache.h | |
| parent | d24e56b78c13d6e4f65786edf2d45ac9a7735f33 (diff) | |
| download | sssd-17db46b22e1c2d1575af3c715d92c1f936dd005b.tar.gz sssd-17db46b22e1c2d1575af3c715d92c1f936dd005b.tar.xz sssd-17db46b22e1c2d1575af3c715d92c1f936dd005b.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 5350a0eb3..c04ce10df 100644 --- a/src/util/mmap_cache.h +++ b/src/util/mmap_cache.h @@ -68,6 +68,9 @@ 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 SSS_MC_MAJOR_VNO 0 |