From 19d1e4eeb6501b77ba34a29e6a632fcf775fccd5 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Sun, 15 Jul 2012 14:58:29 +0200 Subject: [PATCH] journal: align byte-buffer that gets cased to an object On Sun, Jul 15, 2012 at 2:00 PM, Koen Kooi wrote: > | src/journal/sd-journal.c: In function 'sd_journal_process': > | src/journal/sd-journal.c:1891:21: warning: cast increases required alignment of target type [-Wcast-align] > | src/journal/sd-journal.c:1900:29: warning: cast increases required alignment of target type [-Wcast-align] --- src/journal/sd-journal.c | 2 +- src/shared/macro.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c index 57572d4f0..a2900fbee 100644 --- a/src/journal/sd-journal.c +++ b/src/journal/sd-journal.c @@ -1868,7 +1868,7 @@ static int determine_change(sd_journal *j) { } _public_ int sd_journal_process(sd_journal *j) { - uint8_t buffer[sizeof(struct inotify_event) + FILENAME_MAX]; + uint8_t buffer[sizeof(struct inotify_event) + FILENAME_MAX] _alignas_(struct inotify_event); bool got_something = false; if (!j) diff --git a/src/shared/macro.h b/src/shared/macro.h index 1c0aa915a..97eebbc88 100644 --- a/src/shared/macro.h +++ b/src/shared/macro.h @@ -45,6 +45,7 @@ #define _hidden_ __attribute__ ((visibility("hidden"))) #define _weakref_(x) __attribute__((weakref(#x))) #define _introspect_(x) __attribute__((section("introspect." x))) +#define _alignas_(x) __attribute__((aligned(__alignof(x)))) #define XSTRINGIFY(x) #x #define STRINGIFY(x) XSTRINGIFY(x) -- 2.30.2