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

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Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pierre Habouzit 2009-07-22 23:34:34 +02:00 committed by Junio C Hamano
parent 67da52bedc
commit f630cfda88
3 changed files with 4 additions and 3 deletions
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3
git-compat-util.h
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@ -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. */

2
sha1_file.c
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@ -1170,7 +1170,7 @@ unsigned long unpack_object_header_buffer(const unsigned char *buf,
size = c & 15;
shift = 4;
while (c & 0x80) {
if (len <= used || sizeof(long) * 8 <= shift) {
if (len <= used || bitsizeof(long) <= shift) {
error("bad object header");
return 0;
}

2
xdiff/xdiffi.c
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@ -26,7 +26,7 @@
#define XDL_MAX_COST_MIN 256
#define XDL_HEUR_MIN_COST 256
#define XDL_LINE_MAX (long)((1UL << (8 * sizeof(long) - 1)) - 1)
#define XDL_LINE_MAX (long)((1UL << (CHAR_BIT * sizeof(long) - 1)) - 1)
#define XDL_SNAKE_CNT 20
#define XDL_K_HEUR 4