From: Karel Zak <kzak@redhat.com>
Date: Wed, 21 Oct 2020 10:45:02 +0000 (+0200)
Subject: ul: fix use of unsigned number
X-Git-Tag: v2.37-rc1~404
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9210db64a6e44ba5c6c76446835dd16606b5e79f;p=thirdparty%2Futil-linux.git

ul: fix use of unsigned number

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/text-utils/ul.c b/text-utils/ul.c
index 658e7260a6..627fda8024 100644
--- a/text-utils/ul.c
+++ b/text-utils/ul.c
@@ -482,7 +482,7 @@ static void filter(struct ul_ctl *ctl, struct term_caps const *const tcs, FILE *
 	while ((c = getwc(f)) != WEOF) {
 		switch (c) {
 		case '\b':
-			set_column(ctl, 0 < (ctl->column - 1) ? ctl->column - 1 : 0);
+			set_column(ctl, ctl->column && 0 < (ctl->column - 1) ? ctl->column - 1 : 0);
 			continue;
 		case '\t':
 			set_column(ctl, (ctl->column + 8) & ~07);