Fix FD_SETSIZE comparision warnings on FreeBSD

* And again, FreeBSD sucks... it defines FD_SETSIZE as an unsigned integer,
  while every fd is signed.
  This obviously breaks thinks like assert(fd < FD_SETSIZE);


git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2570 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -11,6 +11,7 @@ NEWS
   * Add server.breakagelog, a "special" stderr (fixes #1863)
   * Fix config evaluation for debug.log-timeouts option (#1529)
   * Add "cgi.execute-x-only" to mod_cgi, requires +x for cgi scripts (fixes #2013)
+  * Fix FD_SETSIZE comparision warnings
 
 - 1.4.23 - 2009-06-19
   * Added some extra warning options in cmake and fix the resulting warnings (unused/static functions)

src/fdevent_select.c

@@ -38,7 +38,7 @@ static int fdevent_select_event_add(fdevents *ev, int fde_ndx, int fd, int event
 	UNUSED(fde_ndx);
 
 	/* we should be protected by max-fds, but you never know */
-	assert(fd < FD_SETSIZE);
+	assert(fd < ((int)FD_SETSIZE));
 
 	if (events & FDEVENT_IN) {
 		FD_SET(fd, &(ev->select_set_read));

src/server.c

@@ -719,7 +719,7 @@ int main (int argc, char **argv) {
 		}
 
 		if (srv->event_handler == FDEVENT_HANDLER_SELECT) {
-			srv->max_fds = rlim.rlim_cur < FD_SETSIZE - 200 ? rlim.rlim_cur : FD_SETSIZE - 200;
+			srv->max_fds = rlim.rlim_cur < ((int)FD_SETSIZE) - 200 ? rlim.rlim_cur : FD_SETSIZE - 200;
 		} else {
 			srv->max_fds = rlim.rlim_cur;
 		}
@@ -732,7 +732,7 @@ int main (int argc, char **argv) {
 #endif
 		if (srv->event_handler == FDEVENT_HANDLER_SELECT) {
 			/* don't raise the limit above FD_SET_SIZE */
-			if (srv->max_fds > FD_SETSIZE - 200) {
+			if (srv->max_fds > ((int)FD_SETSIZE) - 200) {
 				log_error_write(srv, __FILE__, __LINE__, "sd",
 						"can't raise max filedescriptors above",  FD_SETSIZE - 200,
 						"if event-handler is 'select'. Use 'poll' or something else or reduce server.max-fds.");
@@ -845,7 +845,7 @@ int main (int argc, char **argv) {
 		}
 
 		if (srv->event_handler == FDEVENT_HANDLER_SELECT) {
-			srv->max_fds = rlim.rlim_cur < FD_SETSIZE - 200 ? rlim.rlim_cur : FD_SETSIZE - 200;
+			srv->max_fds = rlim.rlim_cur < ((int)FD_SETSIZE) - 200 ? rlim.rlim_cur : FD_SETSIZE - 200;
 		} else {
 			srv->max_fds = rlim.rlim_cur;
 		}
@@ -859,7 +859,7 @@ int main (int argc, char **argv) {
 #endif
 		if (srv->event_handler == FDEVENT_HANDLER_SELECT) {
 			/* don't raise the limit above FD_SET_SIZE */
-			if (srv->max_fds > FD_SETSIZE - 200) {
+			if (srv->max_fds > ((int)FD_SETSIZE) - 200) {
 				log_error_write(srv, __FILE__, __LINE__, "sd",
 						"can't raise max filedescriptors above",  FD_SETSIZE - 200,
 						"if event-handler is 'select'. Use 'poll' or something else or reduce server.max-fds.");