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Merge pull request #5706 from Citadel-Station-13/upstream-merge-35754

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[MIRROR] Fixes a runtime in "reference decoder" circuit
This commit is contained in:
deathride58
2018-02-25 21:41:54 +00:00
committed by GitHub
parent 8c0d4177be 00aafb33e6
commit e721dfdc7c
2 changed files with 16 additions and 8 deletions
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18
code/__HELPERS/type2type.dm
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@@ -12,7 +12,8 @@
//Returns an integer given a hex input, supports negative values "-ff"
//skips preceding invalid characters
//breaks when hittin invalid characters thereafter
/proc/hex2num(hex)
// If safe=TRUE, returns null on incorrect input strings instead of CRASHing
/proc/hex2num(hex, safe=FALSE)
. = 0
var/place = 1
for(var/i in length(hex) to 1 step -1)
@@ -27,7 +28,10 @@
if(45)
return . * -1 // -
else
CRASH("Malformed hex number")
if(safe)
return null
else
CRASH("Malformed hex number")
. += num * place
place *= 16
@@ -582,12 +586,16 @@
r+= num2hex(c)
return r
/proc/hextostr(str)
// Decodes hex to raw byte string.
// If safe=TRUE, returns null on incorrect input strings instead of CRASHing
/proc/hextostr(str, safe=FALSE)
if(!istext(str)||!str)
return
var/r
var/c
for(var/i = 1 to length(str)/2)
c= hex2num(copytext(str,i*2-1,i*2+1))
r+= ascii2text(c)
c = hex2num(copytext(str,i*2-1,i*2+1), safe)
if(isnull(c))
return null
r += ascii2text(c)
return r

6
code/modules/integrated_electronics/subtypes/converters.dm
View File

@@ -80,7 +80,7 @@
pull_data()
var/atom/A = get_pin_data(IC_INPUT, 1)
if(A && istype(A))
result = strtohex(XorEncrypt(REF(A),SScircuit.cipherkey))
result = strtohex(XorEncrypt(REF(A), SScircuit.cipherkey))
set_pin_data(IC_OUTPUT, 1, result)
push_data()
@@ -97,8 +97,8 @@
/obj/item/integrated_circuit/converter/refdecode/do_work()
pull_data()
dec=XorEncrypt(hextostr(get_pin_data(IC_INPUT, 1)),SScircuit.cipherkey)
set_pin_data(IC_OUTPUT, 1, WEAKREF(locate( dec )))
dec = XorEncrypt(hextostr(get_pin_data(IC_INPUT, 1), TRUE), SScircuit.cipherkey)
set_pin_data(IC_OUTPUT, 1, WEAKREF(locate(dec)))
push_data()
activate_pin(2)