Hello,
Giampaolo Gallo <g...@iws.it> writes:
> You did thanks..
>
> I flushed the stdout and the result was the same, so, IMHO it isn't a
> buffering problem.
> The command "ifconfig -a" sould show all the interfaces installed on my
> machine. It shows only the loopback (lo) interface instead. The program
> parses
> the full content of /proc/net/dev but it shows only the first interface it
> finds, i.e. "lo".
> I tried also by changing the backend (system/linux.* -> system/generic.*)
> without success.
> My machine is a Linux x86_64 2.6.34.1 with glibc 2.11.2. If you want more
> information please ask and I will be happy to answer.
can you please try the attached patch? Does it fix the problem for you?
Cheers,
Giuseppe
>From 95ac7d15532a2a42db9048d4cc7b8ca4f7b2c3bd Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscriv...@gnu.org>
Date: Fri, 30 Jul 2010 01:53:57 +0200
Subject: [PATCH] * ifconfig/if_index.c (if_nameindex): Remove local variable
`len'.
Remove code that compute the sizeof of the struct `ifreq'.
---
ChangeLog | 5 +++++
ifconfig/if_index.c | 12 +-----------
2 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 9c5795e..052daee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-30 Giuseppe Scrivano <gscriv...@gnu.org>
+
+ * ifconfig/if_index.c (if_nameindex): Remove local variable `len'.
+ Remove code that compute the sizeof of the struct `ifreq'.
+
2010-07-10 Alfred M. Szmidt <a...@gnu.org>
* ifconfig/options.c (parse_opt_set_default_format): Abort if no
diff --git a/ifconfig/if_index.c b/ifconfig/if_index.c
index 1080aca..3062bf7 100644
--- a/ifconfig/if_index.c
+++ b/ifconfig/if_index.c
@@ -132,19 +132,9 @@ if_nameindex (void)
end = (struct ifreq *) ((caddr_t) ifr + ifc.ifc_len);
while (ifr < end)
{
- int len;
-# ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
-# undef MAX
-# define MAX(a,b) (((a) > (b)) ? (a) : (b))
- len = MAX (sizeof (struct sockaddr), ifr->ifr_addr.sa_len);
-# else
- len = sizeof (struct sockaddr);
-# endif
-
cur = ifr;
- /* Step along the array by the size of the current structure */
- ifr = (struct ifreq *) ((caddr_t) ifr + len + IFNAMSIZ);
+ ++ifr;
/* We ignore the other families .. OK ? */
if (cur->ifr_addr.sa_family != AF_INET)
--
1.7.1
