use MHD_YES/NO instead of 0/!0

src/microhttpd/daemon.c

@@ -1404,27 +1404,28 @@ thread_main_handle_connection (void *data)
 #endif
 #undef EXTRA_SLOTS
 #ifdef HAVE_POLL
-  const _MHD_bool use_poll = (0 != (daemon->options & MHD_USE_POLL));
+  const int use_poll = (0 != (daemon->options & MHD_USE_POLL));
 #else  /* ! HAVE_POLL */
-  const _MHD_bool use_poll = 0;
+  const int use_poll = MHD_NO;
 #endif /* ! HAVE_POLL */
 
   while ( (MHD_YES != daemon->shutdown) &&
 	  (MHD_CONNECTION_CLOSED != con->state) )
     {
       const unsigned int timeout = daemon->connection_timeout;
-      _MHD_bool was_suspended = 0;
+      int was_suspended = MHD_NO;
 #ifdef UPGRADE_SUPPORT
       struct MHD_UpgradeResponseHandle * const urh = con->urh;
 #else  /* ! UPGRADE_SUPPORT */
       static const void * const urh = NULL;
 #endif /* ! UPGRADE_SUPPORT */
 
-      if (MHD_NO != con->suspended && NULL == urh)
+      if ( (MHD_NO != con->suspended) &&
+           (NULL == urh) )
         {
           /* Connection was suspended, wait for resume. */
-          was_suspended = !0;
-          if (!use_poll)
+          was_suspended = MHD_YES;
+          if (! use_poll)
             {
               FD_ZERO (&rs);
               if (! MHD_add_to_fd_set_ (MHD_itc_r_fd_ (daemon->itc),
@@ -1439,7 +1440,10 @@ thread_main_handle_connection (void *data)
                   goto exit;
                 }
               if (0 > MHD_SYS_select_ (MHD_itc_r_fd_ (daemon->itc) + 1,
-                                       &rs, NULL, NULL, NULL))
+                                       &rs,
+                                       NULL,
+                                       NULL,
+                                       NULL))
                 {
                   const int err = MHD_socket_get_error_();
 
@@ -1460,7 +1464,9 @@ thread_main_handle_connection (void *data)
               p[0].events = POLLIN;
               p[0].fd = MHD_itc_r_fd_ (daemon->itc);
               p[0].revents = 0;
-              if (0 > MHD_sys_poll_ (p, 1, -1))
+              if (0 > MHD_sys_poll_ (p,
+                                     1,
+                                     -1))
                 {
                   if (MHD_SCKT_LAST_ERR_IS_(MHD_SCKT_EINTR_))
                     continue;
@@ -1477,10 +1483,11 @@ thread_main_handle_connection (void *data)
           continue; /* Check again for resume. */
         } /* End of "suspended" branch. */
 
-      if ( was_suspended && (0 != con->connection_timeout) )
+      if ( (MHD_YES == was_suspended) &&
+           (0 != con->connection_timeout) )
         {
           con->last_activity = MHD_monotonic_sec_counter(); /* Reset timeout timer. */
-          was_suspended = 0;
+          was_suspended = MHD_NO;
         }
 
       tvp = NULL;
@@ -2473,8 +2480,9 @@ resume_suspended_connections (struct MHD_Daemon *daemon)
       next = pos->next;
       if ( (MHD_NO == pos->resuming)
 #ifdef UPGRADE_SUPPORT
-          || ((NULL != urh) &&
-              ((MHD_NO == urh->was_closed) || (MHD_NO == urh->clean_ready)))
+          || ( (NULL != urh) &&
+               ( (MHD_NO == urh->was_closed) ||
+                 (MHD_NO == urh->clean_ready) ) )
 #endif /* UPGRADE_SUPPORT */
          )
         continue;
@@ -2533,7 +2541,8 @@ resume_suspended_connections (struct MHD_Daemon *daemon)
       MHD_mutex_unlock_chk_ (&daemon->cleanup_connection_mutex);
       if (MHD_NO != ret)
         { /* Wake up suspended connections. */
-          if ( !MHD_itc_activate_(daemon->itc, "w"))
+          if (! MHD_itc_activate_(daemon->itc,
+                                  "w"))
 #ifdef HAVE_MESSAGES
             MHD_DLOG (daemon,
                       _("Failed to signal resume of connection via inter-thread communication channel."));