From c4367d72272f72f647d7847129164901f3d47955 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Wed, 16 Aug 2017 11:45:09 +0200
Subject: uevent: placate gcc
How sizeof() can be an aliasing problem?
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
util-linux/uevent.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/util-linux/uevent.c b/util-linux/uevent.c
index 252e8fb64..7ff866cec 100644
--- a/util-linux/uevent.c
+++ b/util-linux/uevent.c
@@ -32,7 +32,10 @@
#define env ((char **)bb_common_bufsiz1)
#define INIT_G() do { setup_common_bufsiz(); } while (0)
enum {
- MAX_ENV = COMMON_BUFSIZE / sizeof(env[0]) - 1,
+ MAX_ENV = COMMON_BUFSIZE / sizeof(char*) - 1,
+ /* sizeof(env[0]) instead of sizeof(char*)
+ * makes gcc-6.3.0 emit "strict-aliasing" warning.
+ */
};
#ifndef SO_RCVBUFFORCE
--
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