rearrange so that most of the server code can be linked without main.c

Move global variables and one function out of main.c so that the rest of
the server can be linked with a test harness.

1 files changed, 16 insertions, 0 deletions

diff --git a/server/common.c b/server/common.c
index 4af40c7..1666ec4 100644
--- a/server/common.c
+++ b/server/common.c
@@ -112,3 +112,19 @@ notice_extract_address(ZNotice_t *notice, struct sockaddr_in *addr)
     addr->sin_port = notice->z_port;
     addr->sin_family = AF_INET;
 }
+
+
+int
+packets_waiting(void)
+{
+    fd_set readable, initial;
+    struct timeval tv;
+
+    if (msgs_queued())
+	return 1;
+    FD_ZERO(&initial);
+    FD_SET(srv_socket, &initial);
+    readable = initial;
+    tv.tv_sec = tv.tv_usec = 0;
+    return (select(srv_socket + 1, &readable, NULL, NULL, &tv) > 0);
+}