[omniORB] Incorrect gethostbyname_r usage on OSF

[Bhatia, Neeraj]

Hi All,
 
I found a problem while using omniORB 2.8 on OSF. It does not initialize the
hostent_data structure, which is used to call gethostbyname_r call. 
 
The man page for gethostbyname_r call says to initialize this structure. 
 
>From the man page:
Note that you must zero-fill the hdptr  structure before its first access by
the gethostbyname_r() function.
 
This bug causes intermittent problems and causes a crash in gethostbyname_r
called routine.
 
I hope this fix is included in the future builds.
 
Regards.
 
Neeraj Bhatia
Compaq Computer Corporation
 
 
Source File: libcWrapper.cc
 
#elif defined(__osf1__)
// Use gethostbyname_r() on Digital UNIX
  if (!h.pd_buffer) {
    h.pd_buffer = new char[sizeof(struct hostent_data)];
 
   // My addition----------------------------------------------------------
    memset (h.pd_buffer, 0, sizeof (struct hostent_data));
   // My addition----------------------------------------------------------
 
    // XXX Is it possible that the pointer h.pd_buffer is at a wrong
alignment
    //     for a struct hostent_data?
    h.pd_buflen = sizeof(struct hostent_data);
  }
if (gethostbyname_r(name,&h.pd_ent,(struct hostent_data *)h.pd_buffer) < 0)
{
    if (errno) {
.........