linux-kernel - [PATCH 14/24] fread.3: Move ARRAY

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Message-Id: <20200910211344.3562-15-colomar.6.4.3@gmail.com>
Date:   Thu, 10 Sep 2020 23:13:35 +0200
From:   Alejandro Colomar <colomar.6.4.3@...il.com>
To:     mtk.manpages@...il.com
Cc:     linux-man@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alejandro Colomar <colomar.6.4.3@...il.com>
Subject: [PATCH 14/24] fread.3: Move ARRAY_SIZE logic into macro

Signed-off-by: Alejandro Colomar <colomar.6.4.3@...il.com>
---
 man3/fread.3 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/man3/fread.3 b/man3/fread.3
index 4c5dc3dbc..8e71e620e 100644
--- a/man3/fread.3
+++ b/man3/fread.3
@@ -136,6 +136,8 @@ Class: 0x02
 #include <stdio.h>
 #include <stdlib.h>
 
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
 int
 main(void)
 {
@@ -147,9 +149,7 @@ main(void)
 
     unsigned char buffer[4];
 
-    size_t ret =
-        fread(buffer, sizeof(buffer) / sizeof(*buffer), sizeof(*buffer),
-              fp);
+    size_t ret = fread(buffer, ARRAY_SIZE(buffer), sizeof(*buffer), fp);
     if (ret != sizeof(*buffer)) {
         fprintf(stderr, "fread() failed: %zu\en", ret);
         exit(EXIT_FAILURE);
-- 
2.28.0