Merge pull request lz4#777 from terrelln/off-by-one

[LZ4_compress_destSize] Fix off-by-one error
xamarin · Aug 10, 2019 · dfad84c · dfad84c
2 parents 1bcde64 + d7cad81
commit dfad84c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/lz4.c b/lib/lz4.c
@@ -1040,7 +1040,7 @@ LZ4_FORCE_INLINE int LZ4_compress_generic(
                     ip -= matchCode - newMatchCode;
                     assert(newMatchCode < matchCode);
                     matchCode = newMatchCode;
-                    if (unlikely(ip < filledIp)) {
+                    if (unlikely(ip <= filledIp)) {
                         /* We have already filled up to filledIp so if ip ends up less than filledIp
                          * we have positions in the hash table beyond the current position. This is
                          * a problem if we reuse the hash table. So we have to remove these positions