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| author | Tay Ray Chuan <rctay89@gmail.com> | 2011-07-07 12:23:55 +0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2011-07-07 09:36:44 -0700 |
| commit | 452f4fa51e1fd1d0e3155fb4f4d8913298ac63a6 (patch) | |
| tree | af04e7c54a1125475ccb1ddc8bff2e5336e90034 /xdiff/xprepare.c | |
| parent | f696543dad6c7ba27b0c4fab167a5687263a9ba0 (diff) | |
| download | git-452f4fa51e1fd1d0e3155fb4f4d8913298ac63a6.tar.gz | |
xdiff/xprepare: use memset()
Use memset() instead of a for loop to initialize. This could give a
performance advantage.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'xdiff/xprepare.c')
| -rw-r--r-- | xdiff/xprepare.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c index 1689085235..783631a34c 100644 --- a/xdiff/xprepare.c +++ b/xdiff/xprepare.c @@ -64,8 +64,6 @@ static int xdl_optimize_ctxs(xdfile_t *xdf1, xdfile_t *xdf2); static int xdl_init_classifier(xdlclassifier_t *cf, long size, long flags) { - long i; - cf->flags = flags; cf->hbits = xdl_hashbits((unsigned int) size); @@ -80,8 +78,7 @@ static int xdl_init_classifier(xdlclassifier_t *cf, long size, long flags) { xdl_cha_free(&cf->ncha); return -1; } - for (i = 0; i < cf->hsize; i++) - cf->rchash[i] = NULL; + memset(cf->rchash, 0, cf->hsize * sizeof(xdlclass_t *)); cf->count = 0; @@ -136,7 +133,7 @@ static int xdl_classify_record(xdlclassifier_t *cf, xrecord_t **rhash, unsigned static int xdl_prepare_ctx(mmfile_t *mf, long narec, xpparam_t const *xpp, xdlclassifier_t *cf, xdfile_t *xdf) { unsigned int hbits; - long i, nrec, hsize, bsize; + long nrec, hsize, bsize; unsigned long hav; char const *blk, *cur, *top, *prev; xrecord_t *crec; @@ -164,8 +161,7 @@ static int xdl_prepare_ctx(mmfile_t *mf, long narec, xpparam_t const *xpp, xdl_cha_free(&xdf->rcha); return -1; } - for (i = 0; i < hsize; i++) - rhash[i] = NULL; + memset(rhash, 0, hsize * sizeof(xrecord_t *)); nrec = 0; if ((cur = blk = xdl_mmfile_first(mf, &bsize)) != NULL) { |