diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index 913f41a42..6dfc0ddd9 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -26,6 +26,7 @@ #endif #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +#define bitsizeof(x) (CHAR_BIT * sizeof(x)) #ifdef __GNUC__ #define TYPEOF(x) (__typeof__(x)) @@ -33,7 +34,7 @@ #define TYPEOF(x) #endif -#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (sizeof(x) * 8 - (bits)))) +#define MSB(x, bits) ((x) & TYPEOF(x)(~0ULL << (bitsizeof(x) - (bits)))) #define HAS_MULTI_BITS(i) ((i) & ((i) - 1)) /* checks if an integer has more than 1 bit set */ /* Approximation of the length of the decimal representation of this type. */ |