From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Tue, 16 Feb 2021 16:51:57 +0000 (+0100)
Subject: string_utils: handle empty strings in must_make_path()
X-Git-Tag: lxc-5.0.0~285^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=192812516e2faef3ee0846c0ba706a7828451f52;p=thirdparty%2Flxc.git

string_utils: handle empty strings in must_make_path()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/string_utils.c b/src/lxc/string_utils.c
index 7d966a10b..1ecb4cd1a 100644
--- a/src/lxc/string_utils.c
+++ b/src/lxc/string_utils.c
@@ -813,6 +813,8 @@ char *must_make_path(const char *first, ...)
 	va_start(args, first);
 	while ((cur = va_arg(args, char *)) != NULL) {
 		buf_len = strlen(cur);
+		if (buf_len == 0)
+			continue;
 
 		full_len += buf_len;
 		if (cur[0] != '/')