[PATCH (2) 03/34] eventfd.2: Use sizeof consistently

Alejandro Colomar
2020-09-04T10:21:26Z

From 5399e0a620c417c1003c17fb04a45ce1a7854acd Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <colomar.6.4.3@gmail.com>
Date: Thu, 3 Sep 2020 21:25:59 +0200
Subject: [PATCH 03/34] eventfd.2: Use sizeof consistently

Use ``sizeof`` consistently through all the examples in the following
way:

- Use the name of the variable instead of its type as argument for
``sizeof``.

Rationale:
https://www.kernel.org/doc/html/v5.8/process/coding-style.html#allocating-memory

Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
---
man2/eventfd.2 | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/man2/eventfd.2 b/man2/eventfd.2
index 804cf796b..35e83c957 100644
--- a/man2/eventfd.2
+++ b/man2/eventfd.2
@@ -415,8 +415,8 @@ main(int argc, char *argv[])
printf("Child writing %s to efd\en", argv[j]);
u = strtoull(argv[j], NULL, 0);
/* strtoull() allows various bases */
- s = write(efd, &u, sizeof(uint64_t));
- if (s != sizeof(uint64_t))
+ s = write(efd, &u, sizeof(u));
+ if (s != sizeof(u))
handle_error("write");
}
printf("Child completed write loop\en");
@@ -427,8 +427,8 @@ main(int argc, char *argv[])
sleep(2);

printf("Parent about to read\en");
- s = read(efd, &u, sizeof(uint64_t));
- if (s != sizeof(uint64_t))
+ s = read(efd, &u, sizeof(u));
+ if (s != sizeof(u))
handle_error("read");
printf("Parent read %llu (0x%llx) from efd\en",
(unsigned long long) u, (unsigned long long) u);
--
2.28.0