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-rw-r--r--lib/sqfs/write_inode.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/lib/sqfs/write_inode.c b/lib/sqfs/write_inode.c
index c78c852..f1f8abf 100644
--- a/lib/sqfs/write_inode.c
+++ b/lib/sqfs/write_inode.c
@@ -13,6 +13,8 @@
#include "sqfs/dir.h"
#include "util/compat.h"
+#include <string.h>
+
static int write_block_sizes(sqfs_meta_writer_t *ir,
const sqfs_inode_generic_t *n)
{
@@ -29,24 +31,24 @@ static int write_block_sizes(sqfs_meta_writer_t *ir,
static int write_dir_index(sqfs_meta_writer_t *ir, const sqfs_u8 *data,
size_t count)
{
- sqfs_dir_index_t *ent, copy;
+ sqfs_dir_index_t ent;
size_t len;
int err;
- while (count > sizeof(*ent)) {
- ent = (sqfs_dir_index_t *)data;
- data += sizeof(*ent);
- count -= sizeof(*ent);
- len = ent->size + 1;
+ while (count > sizeof(ent)) {
+ memcpy(&ent, data, sizeof(ent));
+ data += sizeof(ent);
+ count -= sizeof(ent);
+ len = ent.size + 1;
if (len > count)
return SQFS_ERROR_CORRUPTED;
- copy.start_block = htole32(ent->start_block);
- copy.index = htole32(ent->index);
- copy.size = htole32(ent->size);
+ ent.start_block = htole32(ent.start_block);
+ ent.index = htole32(ent.index);
+ ent.size = htole32(ent.size);
- err = sqfs_meta_writer_append(ir, &copy, sizeof(copy));
+ err = sqfs_meta_writer_append(ir, &ent, sizeof(ent));
if (err)
return err;