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| author | Nathan Moinvaziri <nathan@nathanm.com> | 2021-06-04 15:27:26 -0700 |
|---|---|---|
| committer | Hans Kristian Rosbach <hk-git@circlestorm.org> | 2021-06-13 20:57:36 +0200 |
| commit | 11d7321e04024a46a5438cdcf4ec740e019e4842 (patch) | |
| tree | f06706d294528fcb7bafd566ebae9d8f2d4f4429 /chunkset_tpl.h | |
| parent | 64380644b0964020c9d89ecb97965f732cac0470 (diff) | |
Calculate from and out buffer advance only once in chunkcopy.
Diffstat (limited to 'chunkset_tpl.h')
| -rw-r--r-- | chunkset_tpl.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/chunkset_tpl.h b/chunkset_tpl.h index ae049e7..55e0708 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); |