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| author | Vanessa Ezekowitz <vanessaezekowitz@gmail.com> | 2012-09-01 17:28:04 -0400 |
|---|---|---|
| committer | Vanessa Ezekowitz <vanessaezekowitz@gmail.com> | 2012-09-01 17:28:04 -0400 |
| commit | f641a0cc9c09a9402d439d752788d16271e9424e (patch) | |
| tree | 1759503daa768963da68ae0bc2122c7bb5f39d52 /mesecons_microcontroller | |
| parent | 98b8c8da76d4aa803aa2faddac2355709be5168b (diff) | |
| download | mesecons-f641a0cc9c09a9402d439d752788d16271e9424e.tar mesecons-f641a0cc9c09a9402d439d752788d16271e9424e.tar.gz mesecons-f641a0cc9c09a9402d439d752788d16271e9424e.tar.bz2 mesecons-f641a0cc9c09a9402d439d752788d16271e9424e.tar.xz mesecons-f641a0cc9c09a9402d439d752788d16271e9424e.zip | |
prevent crash with malformed sbi code.
just inserting "sbi(A, C!=D)" into a µC without connecting it to anything
causes 'b' at line 510 to become nil, crashing the server.
Diffstat (limited to 'mesecons_microcontroller')
| -rw-r--r-- | mesecons_microcontroller/init.lua | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mesecons_microcontroller/init.lua b/mesecons_microcontroller/init.lua index a4c2741..4aa65ad 100644 --- a/mesecons_microcontroller/init.lua +++ b/mesecons_microcontroller/init.lua @@ -505,6 +505,7 @@ function yc_command_parsecondition(cond, L, eeprom) if cond:sub(i+1, i+1) == nil then break end if s == "=" then if a==nil then return nil end + if b==nil then return nil end if a == b then buf = "1" end if a ~= b then buf = "0" end cond = string.gsub(cond, b..s..a, buf) |