uevent: placate gcc

How sizeof() can be an aliasing problem?

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

1 files changed, 4 insertions, 1 deletions

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