From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Wed, 16 Aug 2017 09:45:09 +0000 (+0200)
Subject: uevent: placate gcc
X-Git-Tag: 1_28_0~121
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c4367d72272f72f647d7847129164901f3d47955;p=oweals%2Fbusybox.git

uevent: placate gcc

How sizeof() can be an aliasing problem?

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

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