Better error checking and reporting.

[tinc] / src / mingw / device.c

diff --git a/src/mingw/device.c b/src/mingw/device.c
index 0ae0cf2..01854d6 100644 (file)
--- a/src/mingw/device.c
+++ b/src/mingw/device.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: device.c,v 1.1.2.11 2003/08/03 21:45:41 guus Exp $
+    $Id: device.c,v 1.1.2.13 2003/08/08 19:49:47 guus Exp $
 */
 
 #include "system.h"
@@ -170,10 +170,13 @@ bool setup_device(void)
                        continue;
 
                len = sizeof(adaptername);
-               RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+               err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
 
                RegCloseKey(key2);
 
+               if(err)
+                       continue;
+
                if(device) {
                        if(!strcmp(device, adapterid)) {
                                found = true;
@@ -219,14 +222,14 @@ bool setup_device(void)
        }
        
        if(device_handle == INVALID_HANDLE_VALUE) {
-               logger(LOG_ERR, _("%s (%s) is no a usable Windows tap device!"), device, iface);
+               logger(LOG_ERR, _("%s (%s) is not a usable Windows tap device: %s"), device, iface, winerror(GetLastError()));
                return false;
        }
 
        /* Get MAC address from tap device */
 
        if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof(mymac.x), &len, 0)) {
-               logger(LOG_ERR, _("Could not get MAC address from Windows tap device!"));
+               logger(LOG_ERR, _("Could not get MAC address from Windows tap device %s (%s): %s"), device, iface, winerror(GetLastError()));
                return false;
        }