Better error checking and reporting.

diff --git a/src/cygwin/device.c b/src/cygwin/device.c
index e5f5354..c8f288c 100644 (file)
--- a/src/cygwin/device.c
+++ b/src/cygwin/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 1.1.2.15 2003/08/02 21:33:18 guus Exp $
+    $Id: device.c,v 1.1.2.16 2003/08/08 19:49:47 guus Exp $
 */
 
 #include "system.h"
@@ -95,10 +95,13 @@ 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;
@@ -153,7 +156,7 @@ bool setup_device(void)
        device_handle = CreateFile(tapname, GENERIC_WRITE,  FILE_SHARE_READ,  0,  OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
        
        if(device_handle == INVALID_HANDLE_VALUE) {
-               logger(LOG_ERR, _("Could not open Windows tap device for writing: %s"), winerror(GetLastError()));
+               logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for writing: %s"), device, iface, winerror(GetLastError()));
                return false;
        }
 
@@ -162,7 +165,7 @@ bool setup_device(void)
        /* 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: %s"), winerror(GetLastError()));
+               logger(LOG_ERR, _("Could not get MAC address from Windows tap device %s (%s): %s"), device, iface, winerror(GetLastError()));
                return false;
        }
 
@@ -191,7 +194,7 @@ bool setup_device(void)
                device_handle = CreateFile(tapname, GENERIC_READ, FILE_SHARE_WRITE, 0,  OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0);
 
                if(device_handle == INVALID_HANDLE_VALUE) {
-                       logger(LOG_ERR, _("Could not open Windows tap device for reading: %s"), winerror(GetLastError()));
+                       logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for reading: %s"), device, iface, winerror(GetLastError()));
                        buf[0] = 0;
                        write(sp[1], buf, 1);
                        exit(1);

diff --git a/src/mingw/device.c b/src/mingw/device.c
index b156cef..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 1.1.2.12 2003/08/08 17:20:12 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 not 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;
        }