[PATCH (2) 27/34] shm_open.3: Use sizeof consistently

Alejandro Colomar
2020-09-04T14:55:33Z

From d3f439e697c9a384cad55e84a584493088eb4291 Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <colomar.6.4.3@gmail.com>
Date: Thu, 3 Sep 2020 21:55:48 +0200
Subject: [PATCH 27/34] shm_open.3: 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>
---
man3/shm_open.3 | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/man3/shm_open.3 b/man3/shm_open.3
index bba4eb826..24cc6a403 100644
--- a/man3/shm_open.3
+++ b/man3/shm_open.3
@@ -382,7 +382,7 @@ main(int argc, char *argv[])

/* Map the object into the caller\(aqs address space */

- struct shmbuf *shmp = mmap(NULL, sizeof(struct shmbuf),
+ struct shmbuf *shmp = mmap(NULL, sizeof(*shmp),
PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (shmp == MAP_FAILED)
@@ -471,7 +471,7 @@ main(int argc, char *argv[])
if (fd == \-1)
errExit("shm_open");

- struct shmbuf *shmp = mmap(NULL, sizeof(struct shmbuf),
+ struct shmbuf *shmp = mmap(NULL, sizeof(*shmp),
PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (shmp == MAP_FAILED)
--
2.28.0