From: Pierre Habouzit <madcoder@debian.org>
Date: Wed, 22 Jul 2009 21:34:35 +0000 (+0200)
Subject: janitor: add DIV_ROUND_UP and use it.
X-Git-Tag: v1.6.4-rc2~2
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=98cb6f30f708ef416572bf65bd26ac9f998ae0dc;p=git.git

janitor: add DIV_ROUND_UP and use it.

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

diff --git a/git-compat-util.h b/git-compat-util.h
index 6dfc0ddd9..9f941e42b 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -37,6 +37,8 @@
 #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 */
 
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+
 /* Approximation of the length of the decimal representation of this type. */
 #define decimal_length(x)	((int)(sizeof(x) * 2.56 + 0.5) + 1)
 
diff --git a/help.c b/help.c
index fd87bb5ae..6c46d8b49 100644
--- a/help.c
+++ b/help.c
@@ -100,7 +100,7 @@ static void pretty_print_string_list(struct cmdnames *cmds, int longest)
 
 	if (space < max_cols)
 		cols = max_cols / space;
-	rows = (cmds->cnt + cols - 1) / cols;
+	rows = DIV_ROUND_UP(cmds->cnt, cols);
 
 	for (i = 0; i < rows; i++) {
 		printf("  ");
diff --git a/preload-index.c b/preload-index.c
index 14d528118..92899333c 100644
--- a/preload-index.c
+++ b/preload-index.c
@@ -76,7 +76,7 @@ static void preload_index(struct index_state *index, const char **pathspec)
 	if (threads > MAX_PARALLEL)
 		threads = MAX_PARALLEL;
 	offset = 0;
-	work = (index->cache_nr + threads - 1) / threads;
+	work = DIV_ROUND_UP(index->cache_nr, threads);
 	for (i = 0; i < threads; i++) {
 		struct thread_data *p = data+i;
 		p->index = index;