w32: Silence warnings about unused vars.

* agent/gpg-agent.c (main) [W32]: Mark unused vars.
* sm/gpgsm.c (run_protect_tool) [W32]: Ditto.
* g10/trustdb.c (check_regexp) [DISABLE_REGEX]: Ditto.
* scd/scdaemon.c (main) [W32]: Ditto.
(handle_connections) [W32]: Ditto.
(handle_signal) [W32]: Do not build the function at all.
* scd/apdu.c (pcsc_send_apdu_direct): Ditto.
(connect_pcsc_card): s/long/pcsc_dword_t/.
(open_pcsc_reader_direct): Remove var listlen.

agent/gpg-agent.c

@@ -1108,6 +1108,9 @@ main (int argc, char **argv )
 
       fflush (NULL);
 #ifdef HAVE_W32_SYSTEM
+      (void)csh_style;
+      (void)nodetach;
+      (void)env_file_name;
       pid = getpid ();
       es_printf ("set %s=%s;%lu;1\n",
                  GPG_AGENT_INFO_NAME, socket_name, (ulong)pid);

g10/trustdb.c

@@ -1333,6 +1333,8 @@ static int
 check_regexp(const char *expr,const char *string)
 {
 #ifdef DISABLE_REGEX
+  (void)expr;
+  (void)string;
   /* When DISABLE_REGEX is defined, assume all regexps do not
      match. */
   return 0;

scd/apdu.c

@@ -1081,6 +1081,8 @@ pcsc_send_apdu_direct (int slot, unsigned char *apdu, size_t apdulen,
   struct pcsc_io_request_s send_pci;
   pcsc_dword_t recv_len;
 
+  (void)pininfo;
+
   if (!reader_table[slot].atrlen
       && (err = reset_pcsc_reader (slot)))
     return err;
@@ -1513,7 +1515,7 @@ connect_pcsc_card (int slot)
     {
       char reader[250];
       pcsc_dword_t readerlen, atrlen;
-      long card_state, card_protocol;
+      pcsc_dword_t card_state, card_protocol;
 
       pcsc_vendor_specific_init (slot);
 
@@ -1525,7 +1527,7 @@ connect_pcsc_card (int slot)
                          reader_table[slot].atr, &atrlen);
       if (err)
         log_error ("pcsc_status failed: %s (0x%lx) %lu\n",
-                   pcsc_error_string (err), err, readerlen);
+                   pcsc_error_string (err), err, (long unsigned int)readerlen);
       else
         {
           if (atrlen > DIM (reader_table[0].atr))
@@ -1853,7 +1855,7 @@ open_pcsc_reader_direct (const char *portstr)
   long err;
   int slot;
   char *list = NULL;
-  pcsc_dword_t nreader, listlen;
+  pcsc_dword_t nreader;
   char *p;
 
   slot = new_reader_slot ();
@@ -1897,7 +1899,6 @@ open_pcsc_reader_direct (const char *portstr)
       return -1;
     }
 
-  listlen = nreader;
   p = list;
   while (nreader)
     {

scd/scdaemon.c

@@ -806,7 +806,10 @@ main (int argc, char **argv )
 
 
       fflush (NULL);
-#ifndef HAVE_W32_SYSTEM
+#ifdef HAVE_W32_SYSTEM
+      (void)csh_style;
+      (void)nodetach;
+#else
       pid = fork ();
       if (pid == (pid_t)-1)
         {
@@ -958,12 +961,12 @@ scd_get_socket_name ()
 }
 
 
+#ifndef HAVE_W32_SYSTEM
 static void
 handle_signal (int signo)
 {
   switch (signo)
     {
-#ifndef HAVE_W32_SYSTEM
     case SIGHUP:
       log_info ("SIGHUP received - "
                 "re-reading configuration and resetting cards\n");
@@ -1004,12 +1007,12 @@ handle_signal (int signo)
       cleanup ();
       scd_exit (0);
       break;
-#endif /*!HAVE_W32_SYSTEM*/
 
     default:
       log_info ("signal %d received - no action defined\n", signo);
     }
 }
+#endif /*!HAVE_W32_SYSTEM*/
 
 
 static void
@@ -1182,7 +1185,6 @@ static void
 handle_connections (int listen_fd)
 {
   npth_attr_t tattr;
-  int signo;
   struct sockaddr_un paddr;
   socklen_t plen;
   fd_set fdset, read_fdset;
@@ -1193,6 +1195,9 @@ handle_connections (int listen_fd)
   struct timespec curtime;
   struct timespec timeout;
   int saved_errno;
+#ifndef HAVE_W32_SYSTEM
+  int signo;
+#endif
 
   ret = npth_attr_init(&tattr);
   /* FIXME: Check error.  */

sm/gpgsm.c

@@ -2140,7 +2140,10 @@ open_es_fwrite (const char *filename)
 static void
 run_protect_tool (int argc, char **argv)
 {
-#ifndef HAVE_W32_SYSTEM
+#ifdef HAVE_W32_SYSTEM
+  (void)argc;
+  (void)argv;
+#else
   const char *pgm;
   char **av;
   int i;
@@ -2159,6 +2162,6 @@ run_protect_tool (int argc, char **argv)
   av[i] = NULL;
   execv (pgm, av);
   log_error ("error executing '%s': %s\n", pgm, strerror (errno));
-#endif /*HAVE_W32_SYSTEM*/
+#endif /*!HAVE_W32_SYSTEM*/
   gpgsm_exit (2);
 }