Use memset() instead of a for loop to initialize. This could give a
performance advantage.
Signed-off-by: Tay Ray Chuan <rctay89@xxxxxxxxx>
---
xdiff/xprepare.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c
index 1689085..783631a 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) {
--
1.7.3.4.730.g67af1.dirty
--
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