scd: Minor code reorganization

* scd/ccid-driver.c: Move struct defines to the top.
(MAX_DEVICE): Rename to CCID_MAX_DEVICE.

1 files changed, 22 insertions, 17 deletions

diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c
index 4faf4af97..44c183af5 100644
--- a/scd/ccid-driver.c
+++ b/scd/ccid-driver.c
@@ -111,6 +111,10 @@
 /* CCID command timeout.  */
 #define CCID_CMD_TIMEOUT (5*1000)
 
+/* Number of supported devices.  See MAX_READER in apdu.c. */
+#define CCID_MAX_DEVICE 4
+
+
 /* Depending on how this source is used we either define our error
    output to go to stderr or to the GnuPG based logging functions.  We
    use the latter when GNUPG_MAJOR_VERSION or GNUPG_SCD_MAIN_HEADER
@@ -261,6 +265,19 @@ struct ccid_driver_s
 };
 
 
+/* Object to keep infos about found ccid devices.  */
+struct ccid_dev_table {
+  int n;                        /* Index to ccid_usb_dev_list */
+  int interface_number;
+  int setting_number;
+  unsigned char *ifcdesc_extra;
+  int ep_bulk_out;
+  int ep_bulk_in;
+  int ep_intr;
+  size_t ifcdesc_extra_len;
+};
+
+
 static int initialized_usb; /* Tracks whether USB has been initialized. */
 static int debug_level;     /* Flag to control the debug output.
                                0 = No debugging
@@ -270,6 +287,10 @@ static int debug_level;     /* Flag to control the debug output.
                               */
 static int ccid_usb_thread_is_alive;
 
+static libusb_device **ccid_usb_dev_list;
+static struct ccid_dev_table ccid_dev_table[CCID_MAX_DEVICE];
+
+
 
 static unsigned int compute_edc (const unsigned char *data, size_t datalen,
                                  int use_crc);
@@ -1323,22 +1344,6 @@ ccid_vendor_specific_pinpad_setup (ccid_driver_t handle)
 }
 
 
-#define MAX_DEVICE 4 /* See MAX_READER in apdu.c.  */
-
-struct ccid_dev_table {
-  int n;                        /* Index to ccid_usb_dev_list */
-  int interface_number;
-  int setting_number;
-  unsigned char *ifcdesc_extra;
-  int ep_bulk_out;
-  int ep_bulk_in;
-  int ep_intr;
-  size_t ifcdesc_extra_len;
-};
-
-static libusb_device **ccid_usb_dev_list;
-static struct ccid_dev_table ccid_dev_table[MAX_DEVICE];
-
 gpg_error_t
 ccid_dev_scan (int *idx_max_p, void **t_p)
 {
@@ -1423,7 +1428,7 @@ ccid_dev_scan (int *idx_max_p, void **t_p)
                 ccid_dev_table[idx].ep_intr = find_endpoint (ifcdesc, 2);
 
                 idx++;
-                if (idx >= MAX_DEVICE)
+                if (idx >= CCID_MAX_DEVICE)
                   {
                     libusb_free_config_descriptor (config);
                     err = 0;