Update Deflate.java

Comment added for clarification
mwiede · Oct 28, 2024 · eb41b78 · eb41b78
1 parent 60a9a34
commit eb41b78
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/main/java/com/jcraft/jsch/jzlib/Deflate.java b/src/main/java/com/jcraft/jsch/jzlib/Deflate.java
@@ -1309,6 +1309,8 @@ int longest_match(int cur_match) {
           && window[++scan] == window[++match] && window[++scan] == window[++match]
           && scan < strend);
 
+      //len here is set to MAX_MATCH minus (strend minus scan, i.e. the distance between scan and strend)
+      //to ensure that best_len is set to the best possible length to lookahead
       len = MAX_MATCH - (strend - scan);
       scan = strend - MAX_MATCH;