--- /dev/null
+set sane format for archived logs, so the files would be sortable
+ideally this should came from config (date_format=iso8601)
+
+--- nagios-3.2.3/base/logging.c~ 2009-05-22 03:55:21.000000000 +0300
++++ nagios-3.2.3/base/logging.c 2010-12-04 23:33:52.112688537 +0200
+@@ -397,8 +397,7 @@
+ stat_result = stat(log_file, &log_file_stat);
+
+ /* get the archived filename to use */
+- asprintf(&log_archive,"%s%snagios-%02d-%02d-%d-%02d.log",log_archive_path,(log_archive_path[strlen(log_archive_path)-1]=='/')?"":"/",t->tm_mon+1,t->tm_mday,t->tm_year+1900,t->tm_hour);
+-
++ asprintf(&log_archive,"%s%snagios-%04d-%02d-%02d-%02d.log",log_archive_path,(log_archive_path[strlen(log_archive_path)-1]=='/')?"":"/", t->tm_year+1900, t->tm_mon+1,t->tm_mday,t->tm_hour);
+ /* rotate the log file */
+ rename_result=my_rename(log_file,log_archive);
+
+--- nagios-3.2.3/cgi/cgiutils.c~ 2010-12-04 21:34:34.000000000 +0200
++++ nagios-3.2.3/cgi/cgiutils.c 2010-12-04 23:34:28.915968009 +0200
+@@ -1604,7 +1604,7 @@
+ t=localtime(&this_scheduled_log_rotation);
+
+ /* use the time that the log rotation occurred to figure out the name of the log file */
+- snprintf(buffer,buffer_length,"%snagios-%02d-%02d-%d-%02d.log",log_archive_path,t->tm_mon+1,t->tm_mday,t->tm_year+1900,t->tm_hour);
++ snprintf(buffer,buffer_length,"%snagios-%04d-%02d-%02d-%02d.log",log_archive_path,t->tm_year+1900,t->tm_mon+1,t->tm_mday,t->tm_hour);
+ buffer[buffer_length-1]='\x0';
+
+ return;