env: ignore only invalid environment variables

Returning NULL drops the start of the currently existing linked list,
effectively removing all previously added environment variables.

Only ignore the invalid one, but keep the linked list available.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>

diff --git a/lib/env.c b/lib/env.c
index e5e66337fcefe047bef437cd8e089ae5d073e4bf..e459959e0782929870547574d99c79f5b51820a1 100644 (file)
--- a/lib/env.c
+++ b/lib/env.c
@@ -97,7 +97,7 @@ static struct ul_env_list *env_list_add_from_string(struct ul_env_list *ls,
 
        val = strchr(str, '=');
        if (!val)
-               return NULL;
+               return ls;
        namesz = val - str;
 
        val++;