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-rw-r--r--scd/command.c35
1 files changed, 33 insertions, 2 deletions
diff --git a/scd/command.c b/scd/command.c
index 06ff6d2e2..9e77cbe0f 100644
--- a/scd/command.c
+++ b/scd/command.c
@@ -1179,6 +1179,11 @@ send_status_info (CTRL ctrl, const char *keyword, ...)
void
scd_update_reader_status_file (void)
{
+ static struct {
+ int any;
+ unsigned int status;
+ unsigned int changed;
+ } last[10];
int slot;
int used;
unsigned int status, changed;
@@ -1187,9 +1192,35 @@ scd_update_reader_status_file (void)
make sense to wait here for a operation to complete. If we are
so busy working with the card, delays in the status file updated
are should be acceptable. */
- for (slot=0; !apdu_enum_reader (slot, &used); slot++)
+ for (slot=0; (slot < DIM(last)
+ &&!apdu_enum_reader (slot, &used)); slot++)
if (used && !apdu_get_status (slot, 0, &status, &changed))
{
- log_info ("status of slot %d is %u\n", slot, status);
+ if (!last[slot].any || last[slot].status != status
+ || last[slot].changed != changed )
+ {
+ char *fname;
+ char templ[50];
+ FILE *fp;
+
+ last[slot].any = 1;
+ last[slot].status = status;
+ last[slot].changed = changed;
+
+ log_info ("updating status of slot %d to 0x%04X\n", slot, status);
+
+ sprintf (templ, "reader_%d.status", slot);
+ fname = make_filename (opt.homedir, templ, NULL );
+ fp = fopen (fname, "w");
+ if (fp)
+ {
+ fprintf (fp, "%s\n",
+ (status & 1)? "USABLE":
+ (status & 4)? "ACTIVE":
+ (status & 2)? "PRESENT": "NOCARD");
+ fclose (fp);
+ }
+ xfree (fname);
+ }
}
}