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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=25b4f3449c040c79ae459cd9a3d0e6984eaa272c
commit 25b4f3449c040c79ae459cd9a3d0e6984eaa272c
Author: Mats Erik Andersson <[email protected]>
Date: Thu Jul 30 01:06:42 2015 +0200
ifconfig: Hardware detection in GNU/Hurd.
A work-around needed to distinguish hardware type.
diff --git a/ChangeLog b/ChangeLog
index d1f4c47..f35be24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2015-07-30 Mats Erik Andersson <[email protected]>
+
+ ifconfig: A work-around specific to GNU/Hurd.
+ This system uses a mixture of BSD definitions
+ and GNU/Linux interfaces. In particular, some
+ care is needed to check interface hardware type.
+
+ * ifconfig/system/hurd.c (_ARP_MASK): New macro.
+ (arphrd_symbols): Apply _ARP_MASK to each member `value'.
+
2015-07-25 Mats Erik Andersson <[email protected]>
ifconfig: Symbolic name as peer address.
diff --git a/ifconfig/system/hurd.c b/ifconfig/system/hurd.c
index 3bd1977..b6261a0 100644
--- a/ifconfig/system/hurd.c
+++ b/ifconfig/system/hurd.c
@@ -175,6 +175,16 @@ print_hwaddr_ether (format_data_t form
_GL_UNUSED_PARAMETER,
had_output = 1;
}
+/* GNU/Hurd and Mach are using a mixture of BSD definitions
+ * and GNU/Linux interface headers, which in this situation
+ * means that sa_family_t is an unsigned char, from BSD, while
+ * all ARPHRD_* come from GNU/Linux and are thus 16 bits wide.
+ * We must account for this. The following bitmask will
+ * adapt to any future change!
+ */
+
+#define _ARP_MASK ((sizeof (sa_family_t) == 1) ? 0xff : 0xffff)
+
struct arphrd_symbol
{
const char *name;
@@ -184,16 +194,11 @@ struct arphrd_symbol
} arphrd_symbols[] =
{
#ifdef ARPHRD_ETHER /* Ethernet 10/100Mbps. */
- { "ETHER", "Ethernet", ARPHRD_ETHER, print_hwaddr_ether},
+ { "ETHER", "Ethernet", ARPHRD_ETHER & _ARP_MASK, print_hwaddr_ether},
#endif
#ifdef ARPHRD_LOOPBACK /* Loopback device. */
- { "LOOPBACK", "Local Loopback", ARPHRD_LOOPBACK, NULL},
+ { "LOOPBACK", "Local Loopback", ARPHRD_LOOPBACK & _ARP_MASK, NULL},
#endif
- /* XXX: The image debian-hurd-20150424 returns the value 4
- instead of expected ARPHRD_LOOPBACK. This has been
- discussed in the list debian-hurd, where I was asked
- to resist the temptation of a work around!
- */
{ NULL, NULL, 0, NULL}
};
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 10 ++++++++++
ifconfig/system/hurd.c | 19 ++++++++++++-------
2 files changed, 22 insertions(+), 7 deletions(-)
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