[PATCH] log-tree: simplify digit_in_number

[Ralf Thielow <ralf.thielow@googlemail.com>]

Make the algorithm to get the digits of a number
more easily.

Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com>
---
 log-tree.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/log-tree.c b/log-tree.c
index b46ed3b..c7cfcf4 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -254,12 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff)
 
 static unsigned int digits_in_number(unsigned int number)
 {
-	unsigned int i = 10, result = 1;
-	while (i <= number) {
-		i *= 10;
-		result++;
-	}
-	return result;
+	int digits = 1;
+	while (number /= 10)
+		digits++;
+	return digits;
 }
 
 void get_patch_filename(struct commit *commit, int nr, const char *suffix,
-- 
1.7.0.4