dont bail in net_interface_config_get if address query fails (e.g. vmnic1)

bindings/java/src/jni/javasigar.c

@@ -67,6 +67,7 @@ JNI_OnLoad(JavaVM *vm, void *reserved)
             "log=dmalloc-sigar.log";
     }
     dmalloc_debug_setup(options);
+    fprintf(stderr, "DMALLOC_OPTIONS=%s\n", options);
 #endif
     return JNI_VERSION_1_2;
 }

exp/argv.pl

@@ -10,12 +10,12 @@ if (@ARGV) {
 }
 else {
     my(@argv);
-    my $nargs = 126;
-    my $arglen = 256;
+    my $nargs = 26;
+    my $arglen = 4256;
     my $arg = 'a';
     for (my $i=0; $i<$nargs; $i++) {
 	push @argv, $arg++ x $arglen;
     }
-
-    exec $^X, $0, @argv;
+    print "$^X $0\n";
+    exec $^X, $0, @argv or die $!;
 } 

src/sigar.c

@@ -1182,11 +1182,6 @@ int sigar_net_interface_config_get(sigar_t *sigar, const char *name,
     if (!ioctl(sock, SIOCGIFADDR, &ifr)) {
         ifconfig->address = ifr_s_addr(ifr);
     }
-    else {
-        /* if this one failed, so will everything else */
-        close(sock);
-        return errno;
-    }
 
     if (!ioctl(sock, SIOCGIFNETMASK, &ifr)) {
         ifconfig->netmask = ifr_s_addr(ifr);