From: @xiefangqi
Reviewed-by: @heleiwang,@liucunwei
Signed-off-by: @liucunwei

From: @xulei2020
Reviewed-by: @heleiwang,@liucunwei
Signed-off-by: @liucunwei,@liucunwei,@liucunwei

From: @chenfei52
Reviewed-by: @ginfung
Signed-off-by:

From: @mind-lh
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @dinglinhe123
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @anancds
Reviewed-by: @wilfchen,@cristoval
Signed-off-by: @cristoval

From: @cjh9368
Reviewed-by: 
Signed-off-by:

From: @lvchangquan
Reviewed-by: @kisnwang,@chujinjin
Signed-off-by: @chujinjin

From: @wang_hua_2019
Reviewed-by: @oacjiewen,@c_34
Signed-off-by: @c_34

From: @qujianwei
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @c_34

From: @luoyang42
Reviewed-by: @heleiwang,@liucunwei
Signed-off-by: @liucunwei

1. fix the tainted variable 'path'
2. capitalize constants in env_config_parser
3. move constants about attribute to common utils.h

add testcases 2

From: @yttdebaba2
Reviewed-by: @c_34,@wuxuejian
Signed-off-by: @c_34

From: @dinglinhe123
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

From: @HilbertDavid
Reviewed-by: @zhang_xue_tong,@hangangqiang
Signed-off-by: @zhang_xue_tong

From: @hangangqiang
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @changzherui
Reviewed-by: @zhoufeng54,@zh_qh
Signed-off-by: @zh_qh

From: @zyli2020
Reviewed-by: 
Signed-off-by:

From: @chenmai1102
Reviewed-by: @wuxuejian,@oacjiewen
Signed-off-by: @wuxuejian

From: @anrui-wang
Reviewed-by: @wuxuejian,@liangchenghui
Signed-off-by: @wuxuejian

fix code-style

From: @lx0095
Reviewed-by: @zhanghaibo5,@zhang_xue_tong
Signed-off-by: @zhang_xue_tong

From: @czh688
Reviewed-by: @guoqi1024,@oacjiewen
Signed-off-by: @guoqi1024

From: @probiotics_53
Reviewed-by: @zhang_xue_tong,@zhanghaibo5
Signed-off-by: @zhang_xue_tong

From: @ling_qiao_min
Reviewed-by: 
Signed-off-by:

From: @Margaret_wangrui
Reviewed-by: @zh_qh,@hwhewei
Signed-off-by: @zh_qh

From: @zhao_ting_v
Reviewed-by: @c_34,@wuxuejian,@oacjiewen
Signed-off-by: @c_34,@wuxuejian

Signed-off-by: alex-yuyue <yue.yu1@huawei.com>

From: @shenwei41
Reviewed-by: @zhoufeng54,@xsmq
Signed-off-by: @xsmq