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>

1 files changed, 1 insertions, 1 deletions

diff --git a/convert.c b/convert.c
index ee360c2f07..9ecc1c699c 100644
--- a/convert.c
+++ b/convert.c
@@ -1028,7 +1028,7 @@ static int read_convert_config(const char *var, const char *value, void *cb)
 		if (!strncmp(drv->name, name, namelen) && !drv->name[namelen])
 			break;
 	if (!drv) {
-		drv = xcalloc(1, sizeof(struct convert_driver));
+		CALLOC_ARRAY(drv, 1);
 		drv->name = xmemdupz(name, namelen);
 		*user_convert_tail = drv;
 		user_convert_tail = &(drv->next);