diff options
Diffstat (limited to 'ext/socket/socket.c')
| -rw-r--r-- | ext/socket/socket.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c index 95ec45bfe6..aa568cf6b3 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -1046,8 +1046,10 @@ make_hostent(addr, ipaddr) #else h = gethostbyname(addr->ai_canonname); #endif - for (pch = h->h_aliases; *pch; pch++) { - rb_ary_push(names, rb_str_new2(*pch)); + if (h->h_aliases != NULL) { + for (pch = h->h_aliases; *pch; pch++) { + rb_ary_push(names, rb_str_new2(*pch)); + } } #if defined(HAVE_GETIPNODEBYNAME) freehostent(h); @@ -2022,8 +2024,10 @@ sock_s_gethostbyaddr(argc, argv) rb_ary_push(ary, rb_str_new2(h->h_name)); names = rb_ary_new(); rb_ary_push(ary, names); - for (pch = h->h_aliases; *pch; pch++) { - rb_ary_push(names, rb_str_new2(*pch)); + if (h->h_aliases != NULL) { + for (pch = h->h_aliases; *pch; pch++) { + rb_ary_push(names, rb_str_new2(*pch)); + } } rb_ary_push(ary, INT2NUM(h->h_addrtype)); #ifdef h_addr |