Merge remote-tracking branch 'upstream/master'

Handle getting out-of-bounds bits in get_bit (#574 )
The binary state is not padded with zeroes, so they must be inferred.
2021-08-04 21:42:16 +02:00 · 2021-08-02 21:33:45 +02:00
1 changed files with 3 additions and 1 deletions
--- a/mesecons/util.lua
+++ b/mesecons/util.lua
@@ -164,7 +164,9 @@ end

 function mesecon.get_bit(binary,bit)
 	bit = bit or 1
-	local c = binary:len()-(bit-1)
+	local len = binary:len()
+	if bit > len then return false end
+	local c = len-(bit-1)
 	return binary:sub(c,c) == "1"
 end
Author	SHA1	Message	Date
sys4	b91fe92d13	Merge remote-tracking branch 'upstream/master'	2021-08-04 21:42:16 +02:00
Jude Melton-Houghton	e15c55c066	Handle getting out-of-bounds bits in get_bit (#574 ) The binary state is not padded with zeroes, so they must be inferred.	2021-08-02 21:33:45 +02:00