diff options
Diffstat (limited to 'iptables-save.c')
-rw-r--r-- | iptables-save.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/iptables-save.c b/iptables-save.c index bf75d5e0..c25e636c 100644 --- a/iptables-save.c +++ b/iptables-save.c @@ -48,7 +48,9 @@ print_iface(char letter, const char *iface, const unsigned char *mask, if (iface[i] != '\0') printf("%c", iface[i]); } else { - if (iface[i] != '\0') + /* we can access iface[i-1] here, because + * a few lines above we make sure that mask[0] != 0 */ + if (iface[i-1] != '\0') printf("+"); break; } |