From: Stephen M. Cameron <stephenmcameron@gmail.com>
Date: Mon, 12 Mar 2012 06:32:30 +0000 (+0100)
Subject: gfio: fix tickmark shortening for zero special case
X-Git-Tag: gfio-0.1~182
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=c9e8d6e3c5b5f87e17a1f4ee740f88b5b3818831

gfio: fix tickmark shortening for zero special case

"0" tickmark can effectively be shortened by dividing by
any number as 0 / anything is still 0, but the code was
considering "0" to be unshortenable.

Signed-off-by: Stephen M. Cameron <stephenmcameron@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/tickmarks.c b/tickmarks.c
index 2959f026..2605f721 100644
--- a/tickmarks.c
+++ b/tickmarks.c
@@ -51,6 +51,8 @@ static void shorten(struct tickmark *tm, int nticks, int *power_of_ten,
 		str = tm[i].string;
 		l = strlen(str);
 
+		if (strcmp(str, "0") == 0)
+			continue;
 		if (l > 9 && strcmp(&str[l - 9], "000000000") == 0) {
 			*power_of_ten = 9;
 			shorten_char = use_KMG_symbols ? 'G' : '\0';