Only calculate inflate chunk size once and store it for future use for performance.

1 files changed, 1 insertions, 0 deletions

diff --git a/inflate.h b/inflate.h
index 384459a..d9dda79 100644
--- a/inflate.h
+++ b/inflate.h
@@ -126,6 +126,7 @@ struct inflate_state {
     int sane;                   /* if false, allow invalid distance too far */
     int back;                   /* bits back of last unprocessed length/lit */
     unsigned was;               /* initial length of match */
+    uint32_t chunksize;         /* size of memory copying chunk */
 };
 
 int ZLIB_INTERNAL inflate_ensure_window(struct inflate_state *state);