From: Sebastien GODARD <sysstat@users.noreply.github.com>
Date: Sat, 20 Jul 2019 08:28:16 +0000 (+0200)
Subject: iostat: Fix issue when a UUID is given on the command line
X-Git-Tag: v12.1.6~13
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7440dca25ea4c4fc208c1f4e455e6df1c6190565;p=sysstat

iostat: Fix issue when a UUID is given on the command line

A command like "iostat -j UUID 2578463f-6947-48c7-8b09-876a4145cfb1 1 2"
didn't work because the UUID name was considered as the interval of time
to use. This patch fixes the problem.

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>
---

diff --git a/iostat.c b/iostat.c
index cbb586e..153462f 100644
--- a/iostat.c
+++ b/iostat.c
@@ -2033,7 +2033,7 @@ int main(int argc, char **argv)
 			opt++;
 		}
 
-		else if (!isdigit(argv[opt][0])) {
+		else if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) {
 			/*
 			 * By default iostat doesn't display unused devices.
 			 * If some devices are explicitly entered on the command line