- added information how many bytes were actually transmitted via usb

- split general authenticate into multiple functions, one for every step of
  PACE.
- including recent and previous car in output buffer of EstablishPACEChannel
- ccid-emulator initiates EstablishPACEChannel always with a new sm_ctx


git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@192 96b47cad-a561-4643-ad3b-153ac7d7599c

ccid/src/usb.c

@@ -965,7 +965,7 @@ static void *interrupt (void *param)
                 fprintf(stderr, "interrupt loop: writing RDR_to_PC_NotifySlotChange... ");
             result = write(status_fd, slotchange, sizeof *slotchange);
             if (verbose > 1)
-                fprintf(stderr, "done.\n");
+                fprintf(stderr, "done (%d written).\n", result);
         }
     } while (result >= 0);
 
@@ -1038,7 +1038,7 @@ static void *ccid (void *param)
             fprintf(stderr, "bulk loop: writing %d bytes... ", result);
         result = write(source_fd, outbuf, result);
         if (verbose > 1)
-            fprintf(stderr, "done.\n");
+            fprintf(stderr, "done (%d written).\n", result);
     } while (result >= 0);
 
     if (errno != ESHUTDOWN || result < 0) {
@@ -1500,7 +1500,7 @@ special:
                         fprintf(stderr, "control loop: writing %d bytes... ", result);
                     result = write (fd, outbuf, result);
                     if (verbose > 1)
-                        fprintf(stderr, "done.\n");
+                        fprintf(stderr, "done (%d written).\n");
                     if (result < 0)
                         goto stall;
                 } return;