Re: ifconfig and some minor fixes.

[Sergey Poznyakoff]

> Not a problem.  I can provide an implemetation if you wish.
> Actually I think there is one part of glibc(sorry don't remember
> the file ... wait ... let me check ....)
<..snip..>
> - oops! Just Noticed if_index.c, SA_LEN() should not be use
> It was part of an older draft and use on BSD.  Later it was
> pull out of the draft.  You should not rely on it to exist.
> And if fact it does not exist on QNX/Neutrino.

Actually it is taken care of in the if_index.c patch that I
sent with the message that spawned the discussion. It also
implements if_nameindex() :^)

> - sa_family_t  does not exist on Neutrino, can we provide
> a check for it in configure.in  and define in config.h
>       typedef unsigned short int sa_family_t;
> or in the appropriate file.

> - ifr->ifr_netmask ??? Could not find a definition
> for this ... but SIOCGIFNETMASK was defined.
> I did not investigate, running out of cycles.

This patch will handle it, I guess:

Index: configure.in
===================================================================
RCS file: /cvs/inetutils/configure.in,v
retrieving revision 1.89
diff -p -u -w -b -r1.89 configure.in
--- configure.in        2001/06/19 15:10:43     1.89
+++ configure.in        2001/06/20 16:11:32
@@ -463,6 +465,11 @@ if test "$ac_cv_header_utmpx_h" = yes; t
   IU_CHECK_STRUCT_FIELD(utmpx, ut_tv, [#include <utmpx.h>])
 fi
 
+IU_CHECK_STRUCT_FIELD(ifreq,
+                      ifr_index,
+              [#include <sys/socket.h>
+               #include <net/if.h>])
+
 # See if the system has strerror, and replace it if not
 AC_CHECK_FUNC(strerror, , LIBOBJS="$LIBOBJS strerror.o")
 if test "$ac_cv_func_strerror" = no; then
@@ -525,6 +532,16 @@ IU_CHECK_TYPE(sig_atomic_t,
     #include <signal.h> ],
   :, AC_DEFINE(sig_atomic_t, int))
 
+
+IU_CHECK_TYPE(sa_family_t,
+  [
+    #include <sys/types.h>
+    #ifdef HAVE_SOCKET_H
+    #include <socket.h>
+    #endif
+    #include <sys/socket.h> ],
+  :, AC_DEFINE(sa_family_t, unsigned int))
+
 # See if the __PROGNAME variable is defined, otherwise use our own.
 AC_CHECK_FUNC(__progname,
   AC_DEFINE(HAVE___PROGNAME),


Cheers,
Sergey