From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 5 Oct 2021 21:04:20 +0000 (+0000)
Subject: util: Validate input for pakfire_string_join
X-Git-Tag: 0.9.28~888
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bb5480984cb5594f09491a5f4eb906f9eba45a39;p=pakfire.git

util: Validate input for pakfire_string_join

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/util.c b/src/libpakfire/util.c
index 063ec14bf..221777f42 100644
--- a/src/libpakfire/util.c
+++ b/src/libpakfire/util.c
@@ -391,8 +391,11 @@ char** pakfire_split_string(const char* s, char delim) {
 }
 
 char* pakfire_string_join(char** list, const char* delim) {
-	if (!list)
+	// Validate input
+	if (!list || !delim) {
+		errno = EINVAL;
 		return NULL;
+	}
 
 	size_t length = 0;
 	unsigned int elements = 0;