From: Karel Zak <kzak@redhat.com>
Date: Mon, 12 Sep 2016 09:58:34 +0000 (+0200)
Subject: libsmartcols: fix WRAPNL crashes
X-Git-Tag: v2.29-rc1~67
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=975ed32fd93503aa109e231ec26a582cb0398dd8;p=thirdparty%2Futil-linux.git

libsmartcols: fix WRAPNL crashes

Addresses: https://github.com/karelzak/util-linux/issues/344
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/libsmartcols/src/table_print.c b/libsmartcols/src/table_print.c
index bdac0b296d..7355fe8e1f 100644
--- a/libsmartcols/src/table_print.c
+++ b/libsmartcols/src/table_print.c
@@ -333,7 +333,7 @@ static int set_pending_data(struct libscols_column *cl, const char *data, size_t
 {
 	char *p = NULL;
 
-	if (data) {
+	if (data && *data) {
 		DBG(COL, ul_debugobj(cl, "setting pending data"));
 		assert(sz);
 		p = strdup(data);