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Code Issues Releases Wiki Activity

Use tonumber when validating message format

This commit is contained in:
SquidDev 2017-05-03 18:39:32 +01:00
parent 67eecd4b1c
commit 6b6829e22b
1 changed files with 1 additions and 1 deletions
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src/main/resources/assets/computercraft/lua/rom/apis/gps
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@ -103,7 +103,7 @@ function locate( _nTimeout, _bDebug )
local sSide, sChannel, sReplyChannel, tMessage, nDistance = p1, p2, p3, p4, p5
if sSide == sModemSide and sChannel == os.getComputerID() and sReplyChannel == CHANNEL_GPS and nDistance then
-- Received the correct message from the correct modem: use it to determine position
if type(tMessage) == "table" and #tMessage == 3 and type(tMessage[1]) == "number" and type(tMessage[2]) == "number" and type(tMessage[3]) == "number" then
if type(tMessage) == "table" and #tMessage == 3 and tonumber(tMessage[1]) and tonumber(tMessage[2]) and tonumber(tMessage[3]) then
local tFix = { vPosition = vector.new( tMessage[1], tMessage[2], tMessage[3] ), nDistance = nDistance }
if _bDebug then
print( tFix.nDistance.." metres from "..tostring( tFix.vPosition ) )