[svn] Change code that checks maxclients limit: allow exactly

the configured amount of non-exceed_limit clients.
Code that appeared to limit exceed_limit clients too
but less heavily removed (it was not effective because
the parentheses were wrong).

ChangeLog

@@ -1,3 +1,16 @@
+jilles      2007/04/05 00:12:55 UTC	(20070405-3390)
+  Log:
+  By default, leave MAX_BUFFER fds free for log files,
+  server connections, ident lookups, exceed_limit clients,
+  etc. Mention this in example.conf and reference.conf.
+  
+
+  Changes:	Modified:
+  +4 -2		trunk/doc/example.conf (File Modified) 
+  +3 -1		trunk/doc/reference.conf (File Modified) 
+  +1 -1		trunk/src/s_conf.c (File Modified) 
+
+
 jilles      2007/04/03 22:45:04 UTC	(20070403-3384)
   Log:
   --with-maxclients configure option is gone

include/serno.h

@@ -1 +1 @@
-#define SERNO "20070403-3384"
+#define SERNO "20070405-3390"

src/s_user.c

@@ -21,7 +21,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  *  USA
  *
- *  $Id: s_user.c 3370 2007-04-03 10:15:39Z nenolod $
+ *  $Id: s_user.c 3392 2007-04-05 00:24:47Z jilles $
  */
 
 #include "stdinc.h"
@@ -402,10 +402,8 @@ register_local_user(struct Client *client_p, struct Client *source_p, const char
 	 *   -Taner
 	 */
 	/* Except "F:" clients */
-	if(((dlink_list_length(&lclient_list) + 1) >= 
+	if(dlink_list_length(&lclient_list) >=
-	   ((unsigned long)GlobalSetOptions.maxclients + MAX_BUFFER) ||
+	    (unsigned long)GlobalSetOptions.maxclients && !IsExemptLimits(source_p))
-           (dlink_list_length(&lclient_list) + 1) >= 
-	    ((unsigned long)GlobalSetOptions.maxclients - 5)) && !(IsExemptLimits(source_p)))
 	{
 		sendto_realops_snomask(SNO_FULL, L_ALL,
 				     "Too many clients, rejecting %s[%s].", source_p->name, source_p->host);