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File tcp_wrappers-7.6-fixgethostbyname.patch of Package tcp_wrappers
diff -up tcp_wrappers_7.6/socket.c.patch7 tcp_wrappers_7.6/socket.c --- tcp_wrappers_7.6/socket.c.patch7 1997-03-21 19:27:25.000000000 +0100 +++ tcp_wrappers_7.6/socket.c 2008-08-29 09:45:12.000000000 +0200 @@ -52,7 +52,8 @@ static struct hostent *gethostbyname_dot char *name; { char dot_name[MAXHOSTNAMELEN + 1]; - + struct hostent *hp; + /* * Don't append dots to unqualified names. Such names are likely to come * from local hosts files or from NIS. @@ -61,8 +62,12 @@ char *name; if (strchr(name, '.') == 0 || strlen(name) >= MAXHOSTNAMELEN - 1) { return (gethostbyname(name)); } else { - sprintf(dot_name, "%s.", name); - return (gethostbyname(dot_name)); + sprintf(dot_name, "%s.", name); + hp = gethostbyname(dot_name); + if (hp) + return hp; + else + return (gethostbyname(name)); } }