commit f630cfda8800aee03c7eb2fcd0f840730fbe43b9
author Pierre Habouzit <madcoder@debian.org> Wed Jul 22 23:34:34 2009 +0200
committer Junio C Hamano <gitster@pobox.com> Wed Jul 22 21:57:41 2009 -0700
tree f780eac20525e629c704a31a8d6e629cae6ea011
parent 67da52bedc5750c10a732b9da7d64d5ef73f3b8a

refactor: use bitsizeof() instead of 8 * sizeof()

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-compat-util.h

diff --git a/git-compat-util.h b/git-compat-util.h
index 913f41a..6dfc0dd 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. */