commit ca56dadb4b65ccaeab809d80db80a312dc00941a
author René Scharfe <l.s.r@web.de> Sat Mar 13 17:17:22 2021 +0100
committer Junio C Hamano <gitster@pobox.com> Sat Mar 13 16:00:09 2021 -0800
tree fa027eb80d076ebf7be7c3ea69a92cf47e594a1c
parent f1121499e6460e814ec3cffa0b18942ac529f768

use CALLOC_ARRAY

Add and apply a semantic patch for converting code that open-codes
CALLOC_ARRAY to use it instead.  It shortens the code and infers the
element size automatically.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diffcore-rename.c

diff --git a/diffcore-rename.c b/diffcore-rename.c
index 4155818..9c1478c 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -787,8 +787,7 @@ void diffcore_rename(struct diff_options *options)
 				(uint64_t)num_destinations * (uint64_t)num_sources);
 	}
 
-	mx = xcalloc(st_mult(NUM_CANDIDATE_PER_DST, num_destinations),
-		     sizeof(*mx));
+	CALLOC_ARRAY(mx, st_mult(NUM_CANDIDATE_PER_DST, num_destinations));
 	for (dst_cnt = i = 0; i < rename_dst_nr; i++) {
 		struct diff_filespec *two = rename_dst[i].p->two;
 		struct diff_score *m;