From ca56dadb4b65ccaeab809d80db80a312dc00941a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Scharfe?= <l.s.r@web.de>
Date: Sat, 13 Mar 2021 17:17:22 +0100
Subject: use CALLOC_ARRAY
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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>
---
 contrib/coccinelle/array.cocci | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'contrib')

diff --git a/contrib/coccinelle/array.cocci b/contrib/coccinelle/array.cocci
index 46b8d2ee11..9a17d2a121 100644
--- a/contrib/coccinelle/array.cocci
+++ b/contrib/coccinelle/array.cocci
@@ -88,3 +88,11 @@ expression n;
 @@
 - ptr = xmalloc((n) * sizeof(T));
 + ALLOC_ARRAY(ptr, n);
+
+@@
+type T;
+T *ptr;
+expression n;
+@@
+- ptr = xcalloc(n, \( sizeof(*ptr) \| sizeof(T) \) )
++ CALLOC_ARRAY(ptr, n)
-- 
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