lib/sgetgrent.c: list(): Explicitly free(3) at the start of the function

This makes it clear we wipe anything that was in the buffer.

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/lib/sgetgrent.c b/lib/sgetgrent.c
index 8737cebb6e341ab1f780fd553e40f416c1fe1467..20048502ab42e5b326dc00fe9e147f3dd39c464b 100644 (file)
--- a/lib/sgetgrent.c
+++ b/lib/sgetgrent.c
@@ -43,6 +43,9 @@ list(char *s)
        static size_t size = 0; /* max members + 1 */
        size_t i;
 
+       free(members);
+       members = NULL;
+
        i = 0;
        for (;;) {
                /* check if there is room for another pointer (to a group