- Refactored a lot of timeout code into a few functions in an attempt to make

them all use the same (hopefully correct) logic to make it less error-prone
  and easier to introduce library-wide where it should be used.

lib/connect.h

@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -31,14 +31,20 @@ CURLcode Curl_is_connected(struct connectdata *conn,
                            bool *connected);
 
 CURLcode Curl_connecthost(struct connectdata *conn,
-                          const struct Curl_dns_entry *host, /* connect to this */
+                          const struct Curl_dns_entry *host, /* connect to
+                                                                this */
                           curl_socket_t *sockconn, /* not set if error */
                           Curl_addrinfo **addr, /* the one we used */
-                          bool *connected /* truly connected? */
-                          );
+                          bool *connected); /* truly connected? */
 
 CURLcode Curl_store_ip_addr(struct connectdata *conn);
 
+/* generic function that returns how much time there's left to run, according
+   to the timeouts set */
+long Curl_timeleft(struct connectdata *conn,
+                   struct timeval *nowp,
+                   bool duringconnect);
+
 #define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
 
 #endif