diff options
Diffstat (limited to 'src/util.h')
| -rw-r--r-- | src/util.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h index afa3f7205..1fee9a70c 100644 --- a/src/util.h +++ b/src/util.h @@ -179,4 +179,21 @@ GIT_INLINE(int) git__ishex(const char *str) return 1; } +GIT_INLINE(size_t) git__size_t_bitmask(size_t v) +{ + v--; + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + + return v; +} + +GIT_INLINE(size_t) git__size_t_powerof2(size_t v) +{ + return git__size_t_bitmask(v) + 1; +} + #endif /* INCLUDE_util_h__ */ |