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author | Fulup Ar Foll <fulup@iot.bzh> | 2017-09-29 12:23:26 +0200 |
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committer | Fulup Ar Foll <fulup@iot.bzh> | 2017-09-29 12:23:26 +0200 |
commit | acde5b8a880ff6f5e19ee91bd1f213339947b62f (patch) | |
tree | 333ebb3e87531da12fe447309e77a6fa57ba4165 /conf.d/project/lua.d/onload-daemon-00-utils.lua | |
parent | acfdebd511ebcde861c7975af0a92c0d6bc87678 (diff) |
Initial Commit as submodule
Diffstat (limited to 'conf.d/project/lua.d/onload-daemon-00-utils.lua')
-rw-r--r-- | conf.d/project/lua.d/onload-daemon-00-utils.lua | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/conf.d/project/lua.d/onload-daemon-00-utils.lua b/conf.d/project/lua.d/onload-daemon-00-utils.lua deleted file mode 100644 index 29d2c70..0000000 --- a/conf.d/project/lua.d/onload-daemon-00-utils.lua +++ /dev/null @@ -1,86 +0,0 @@ ---[[ - Copyright (C) 2016 "IoT.bzh" - Author Fulup Ar Foll <fulup@iot.bzh> - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - - Note: this file should be called before any other to assert declare function - is loaded before anything else. - - References: - http://lua-users.org/wiki/DetectingUndefinedVariables - ---]] - - ---=================================================== ---= Niklas Frykholm --- basically if user tries to create global variable --- the system will not let them!! --- call GLOBAL_lock(_G) --- ---=================================================== -function GLOBAL_lock(t) - local mt = getmetatable(t) or {} - mt.__newindex = lock_new_index - setmetatable(t, mt) -end - ---=================================================== --- call GLOBAL_unlock(_G) --- to change things back to normal. ---=================================================== -function GLOBAL_unlock(t) - local mt = getmetatable(t) or {} - mt.__newindex = unlock_new_index - setmetatable(t, mt) -end - -function lock_new_index(t, k, v) - if (string.sub(k,1,1) ~= "_") then - GLOBAL_unlock(_G) - error("GLOBALS are locked -- " .. k .. - " must be declared local or prefix with '_' for globals.", 2) - else - rawset(t, k, v) - end -end - -function unlock_new_index(t, k, v) - rawset(t, k, v) -end - --- return serialised version of printable table -function Dump_Table(o) - if type(o) == 'table' then - local s = '{ ' - for k,v in pairs(o) do - if type(k) ~= 'number' then k = '"'..k..'"' end - s = s .. '['..k..'] = ' .. Dump_Table(v) .. ',' - end - return s .. '} ' - else - return tostring(o) - end -end - - --- simulate C prinf function -printf = function(s,...) - io.write(s:format(...)) - io.write("\n") - return -end - --- lock global variable -GLOBAL_lock(_G) |