Fix alignment of allocation in fuse_reply_create

When allocating as an array of char only alignment of 1 is guaranteed but
the structure needs an alignment of 8. Specify alignment explicitly

diff --git a/lib/fuse_lowlevel.c b/lib/fuse_lowlevel.c
index aa1de8726922980aeb98ccb77f3a76854f91cb40..9cc96e99eac2b1cf717ad7eb6a9e42da6349b418 100644 (file)
--- a/lib/fuse_lowlevel.c
+++ b/lib/fuse_lowlevel.c
@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
+#include <stdalign.h>
 #include <string.h>
 #include <unistd.h>
 #include <limits.h>
@@ -446,7 +447,7 @@ int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e)
 int fuse_reply_create(fuse_req_t req, const struct fuse_entry_param *e,
                      const struct fuse_file_info *f)
 {
-       char buf[sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out)];
+       alignas(uint64_t) char buf[sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out)];
        size_t entrysize = req->se->conn.proto_minor < 9 ?
                FUSE_COMPAT_ENTRY_OUT_SIZE : sizeof(struct fuse_entry_out);
        struct fuse_entry_out *earg = (struct fuse_entry_out *) buf;