X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=blobdiff_plain;f=ipaddr.c;h=f42e82016319b702cd31b88e9075e8663d2ee04b;hp=2dc5928819cd543b328b7ef9788c4702f0c01753;hb=469fd1d95b2528212a46b155cb115c078de4228f;hpb=7138d0c54cd2212439434d27cb2d6ea775c3039b

diff --git a/ipaddr.c b/ipaddr.c
index 2dc5928..f42e820 100644
--- a/ipaddr.c
+++ b/ipaddr.c
@@ -74,7 +74,8 @@ string_t subnet_to_string(struct subnet *sn)
 	mask=(mask<<1);
     }
     if (i!=sn->len) {
-	fatal("subnet_to_string: invalid subnet structure!\n");
+	fatal("subnet_to_string: invalid subnet structure "
+	      "(i=%d sn->len=%d mask=0x%08x)!\n",i,sn->len,sn->mask);
     }
     snprintf(s, 19, "%d.%d.%d.%d/%d", a, b, c, d, sn->len);
     return s;