diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/socket/socket.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c index 8a1825d795..61036061e3 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -1036,27 +1036,32 @@ make_hostent(addr, ipaddr) char **pch; ary = rb_ary_new(); - rb_ary_push(ary, rb_str_new2(addr->ai_canonname)); + if (addr->ai_canonname) { + rb_ary_push(ary, rb_str_new2(addr->ai_canonname)); + } + else { + rb_ary_push(ary, Qnil); + } + if (addr->ai_canonname) { #if defined(HAVE_GETIPNODEBYNAME) - { int error; h = getipnodebyname(addr->ai_canonname, addr->ai_family, AI_ALL, &error); - } #elif defined(HAVE_GETHOSTBYNAME2) - h = gethostbyname2(addr->ai_canonname, addr->ai_family); + h = gethostbyname2(addr->ai_canonname, addr->ai_family); #else - h = gethostbyname(addr->ai_canonname); + h = gethostbyname(addr->ai_canonname); #endif - if (h) { - names = rb_ary_new(); - if (h->h_aliases != NULL) { - for (pch = h->h_aliases; *pch; pch++) { - rb_ary_push(names, rb_str_new2(*pch)); + if (h) { + names = rb_ary_new(); + 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); + freehostent(h); + } #endif } else { |