From: Eric Biggers <ebiggers3@gmail.com>
Date: Sun, 31 May 2015 05:13:08 +0000 (-0500)
Subject: Save memory by avoiding padding after sha1_hash fields
X-Git-Tag: v1.8.2~97
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=1e70063e885540667e1873787e6b21f5c6704ac4

Save memory by avoiding padding after sha1_hash fields
---

diff --git a/include/wimlib/blob_table.h b/include/wimlib/blob_table.h
index 6dbbe55a..ee1cd0fa 100644
--- a/include/wimlib/blob_table.h
+++ b/include/wimlib/blob_table.h
@@ -108,7 +108,7 @@ struct blob_descriptor {
 			struct wim_inode *back_inode;
 			u32 back_stream_id;
 		};
-	};
+	} _packed_attribute; /* union is SHA1_HASH_SIZE bytes */
 
 	/* Number of times this blob is referenced by file streams in WIM
 	 * images.  See blob_decrement_refcnt() for information about the
diff --git a/include/wimlib/inode.h b/include/wimlib/inode.h
index 3fbb4039..777a05b5 100644
--- a/include/wimlib/inode.h
+++ b/include/wimlib/inode.h
@@ -70,7 +70,7 @@ struct wim_inode_stream {
 	union {
 		u8 _stream_hash[SHA1_HASH_SIZE];
 		struct blob_descriptor *_stream_blob;
-	};
+	} _packed_attribute; /* union is SHA1_HASH_SIZE bytes */
 
 	/* 'stream_resolved' determines whether 'stream_hash' or 'stream_blob'
 	 * is valid as described above.  */