From 76b9605f80b697ab3c527cb8638e6340e0e07ce4 Mon Sep 17 00:00:00 2001 From: Nathan Moinvaziri Date: Fri, 4 Jun 2021 15:27:26 -0700 Subject: [PATCH] Calculate from and out buffer advance only once in chunkcopy. --- chunkset_tpl.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/chunkset_tpl.h b/chunkset_tpl.h index ae049e7e..55e07088 100644 --- a/chunkset_tpl.h +++ b/chunkset_tpl.h @@ -19,11 +19,11 @@ Z_INTERNAL uint32_t CHUNKSIZE(void) { reliable. */ Z_INTERNAL uint8_t* CHUNKCOPY(uint8_t *out, uint8_t const *from, unsigned len) { chunk_t chunk; - --len; + int32_t align = (--len % sizeof(chunk_t)) + 1; loadchunk(from, &chunk); storechunk(out, &chunk); - out += (len % sizeof(chunk_t)) + 1; - from += (len % sizeof(chunk_t)) + 1; + out += align; + from += align; len /= sizeof(chunk_t); while (len > 0) { loadchunk(from, &chunk); -- 2.47.3