fix for sigbus on ARM caused by unaligned access (#242).

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@3486 ee746299-78ed-0310-b773-934348b2243d

2 files changed, 11 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index e7469899..3c02adfc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-11-26
+
+	* libsylph/procmsg.c:
+	  procmsg_read_cache_data_str_mem()
+	  READ_CACHE_DATA_INT(): fix for sigbus on ARM caused by unaligned access
+	  (#242).
+
 2015-10-27
 
 	* src/prefs_filter_edit.c: prefs_filter_edit_open():
diff --git a/libsylph/procmsg.c b/libsylph/procmsg.c
index fe65395a..28d16f32 100644
--- a/libsylph/procmsg.c
+++ b/libsylph/procmsg.c
@@ -164,7 +164,7 @@ static gint procmsg_read_cache_data_str_mem(const gchar **p, const gchar *endp,
 	if (endp - *p < sizeof(len))
 		return -1;
 
-	len = *(const guint32 *)(*p);
+	memcpy(&len, *p, sizeof(len));
 	*p += sizeof(len);
 	if (len > G_MAXINT || len > endp - *p)
 		return -1;
@@ -197,7 +197,9 @@ static gint procmsg_read_cache_data_str_mem(const gchar **p, const gchar *endp,
 		g_mapped_file_free(mapfile);			\
 		return NULL;					\
 	} else {						\
-		n = *(const guint32 *)p;			\
+		guint32 idata;					\
+		memcpy(&idata, p, sizeof(idata));		\
+		n = idata;					\
 		p += sizeof(guint32);				\
 	}							\
 }