commit - 81c30b5a75cb5ae9a5175321a5f8a6049f0ac4e3
commit + 38bcdc42b52c539273848f734421e13b2bd2a50a
blob - 8e55fc4d542d73f0ca02492ffc8e56f0930db7e6
blob + b439cfde1180fe496b3c50ba8de6c946203d0a1e
--- src/cmd/upas/common/libsys.c
+++ src/cmd/upas/common/libsys.c
return namev;
h = gethostbyname(alt_sysname_read());
+ if(h == nil)
+ return 0;
+
for(p=h->h_aliases; *p; p++)
;
char **namev, *p;
Ndbtuple *t;
- for(namev = sysnames_read(); *namev; namev++){
+ for(namev = sysnames_read(); namev && *namev; namev++){
if(strchr(*namev, '.')){
for(p=*namev-1; p && *++p; p=strchr(p, '.')){
if((t = dnsquery(nil, p, "mx")) != nil){