Version 1.20  2015-08-06
  * add GEO function get_line_distance_km

Version 1.19  2015-07-24
  * correct logger rotate time near 0 clock

Version 1.18  2015-07-15
  * OS macro defines put in _os_define.h
  * remove file _os_bits.h
  * schedule task support second field

Version 1.17  2015-07-14
  * ini_file_reader.c change PJWHash to Time33Hash and increase capacity
  * ini_file_reader.c realloc change to malloc and memcpy

Version 1.16  2015-07-01
  * fast_mblock add fast_mblock_delay_free
  * add fast_mpool.h and fast_mpool.c

Version 1.15  2015-06-16
  * fast_mblock.c support none lock
  * ioevent support set timeout
  * fast_mblock support alloc and free object
  * ini_file_reader set global section before and after directive #include

Version 1.14  2015-06-12
  * fast_task_info support set_buffer_size and realloc_buffer
  * use file lock when write logger header
  * bugfixed: sockopt.c correct fsbytes to sbytes in FreeBSD
  * macro FDFS_WRITE_BUFF_SIZE change to FAST_WRITE_BUFF_SIZE
  * logger.c call log_check_rotate in lock
  * bug fixed: log header correctly when rotate

Version 1.13  2015-02-27
  * support php extension
  * php extention export simple_hash and time33_hash
  * set_run_by log more info

Version 1.12  2014-12-05
  * bug fixed: must check the return value of vsnprintf
  * can call sched_add_entries many times before schedule

Version 1.11  2014-11-20
  * remove usleep call in logger.c
  * bug fixed: NOT set last_block->next when realloc

Version 1.10  2014-10-31
  * correct iovent macro define
  * must set timeout entry's dlink to NULL because NOT in time wheel

Version 1.09  2014-10-26
  * Version struct add variable: patch
  * get local ipaddr support interface based 1
  * mblock support alloc_init_func

Version 1.08  2014-10-09
  * sched_thread.c: calculate next_call_time correctly

Version 1.07  2014-09-16
  * increment alloc task buffer
  * add function free_queue_alloc_connections
  * check file size before log access header
  * conn_pool_destroy close connections and free memory
  * delete log old files with any time format affix

Version 1.06  2014-08-27
  * update source code from FastDFS V5.02
  * add function short2buff and buff2short
  * add object memory pool (fast_mblock.h and fast_mblock.c)
  * add member thread_loop_callback in nio_thread_data
  * bug fixed: ini_file_reader.c can't include relative path sub config,
    such as #include ../../conf/common.conf
  * add get_url_content_ex to support buffer passed by caller
  * logger can set rotate time format
  * add connection pool
  * logger can log header line
  * #include <stdbool.h> to use C99 bool
  * add libfastcommon.spec for building RPM
  * logger can delete old rotated files
  * bug fixed: connection pool should NOT increase counter when connect fail
  * logger.c do NOT call fsync after write
  * sockopt.c add tcprecvdata_nb_ms to support millisecond timeout
  * change req_count from int to int64_t
  * logger can take over stderr and stdout
  * replace INT64_PRINTF_FORMAT with PRId64
  * support OS Darwin
  * socket send and recv ignore erno EINTR
  * http_parse_query_ex support binary buffer, and set both lengths of key and name
  * add function ioevent_remove
  * add function log_reopen_ex
  * extern function log_rotate
  * add function log_set_fd_flags

Version 1.05  2012-07-08
  * update source code from FastDFS V3.09

Version 1.04  2011-01-31
  * update source code from FastDFS V2.08

Version 1.03  2010-11-16
  * add local ip functions local_ip_func.c

Version 1.02  2010-07-02
  * sockopt.c: tcprecvfile and tcpdiscard add parameter total_recv_bytes
  * sockopt.h add non-block connect function connectserverbyip_nb
  * log_init set log to cache to false (no cache)

Version 1.01  2010-05-15
  * source file move to directory src
  * header files add comments
  * logger.h: correct function name from log_destory_ex to log_destroy_ex
  * shared_func.h: getExeAbsolutePath change to getAbsolutePath

Version 1.00  2010-05-08
  * first version