DHCP6: Remove leading space from delegated_dhcp6_prefix

diff --git a/src/dhcp6.c b/src/dhcp6.c
index bdc3664e2607ff6aa7db6671d787ed5a74be526f..58ec4eb0adb0c20603be04256a00169d2cae6191 100644 (file)
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -4254,6 +4254,7 @@ dhcp6_env(FILE *fp, const char *prefix, const struct interface *ifp,
 #ifndef SMALL
        const struct dhcp6_state *state;
        const struct ipv6_addr *ap;
+       bool first;
 #endif
 
        if (m == NULL)
@@ -4355,10 +4356,13 @@ delegated:
                return 1;
        if (fprintf(fp, "%s_delegated_dhcp6_prefix=", prefix) == -1)
                return -1;
+       first = true;
        TAILQ_FOREACH(ap, &state->addrs, next) {
                if (ap->delegating_prefix == NULL)
                        continue;
-               if (ap != TAILQ_FIRST(&state->addrs)) {
+               if (first)
+                       first = false;
+               else {
                        if (fputc(' ', fp) == EOF)
                                return -1;
                }