X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Flookup_table.c;h=9109c481771fa1166e85220d53dc442fef3e6ca4;hp=37d701a1e49403efc7c6387c537c13d05bf62fdd;hb=2fa590c75e9433779557999870f0c8136157c2b7;hpb=b072e7cbca1ccb874e22aa94e3efae37ce211939

diff --git a/src/lookup_table.c b/src/lookup_table.c
index 37d701a1..9109c481 100644
--- a/src/lookup_table.c
+++ b/src/lookup_table.c
@@ -678,7 +678,8 @@ static int
 write_wim_lookup_table_from_stream_list(struct list_head *stream_list,
 					struct filedes *out_fd,
 					struct resource_entry *out_res_entry,
-					int write_resource_flags)
+					int write_resource_flags,
+					struct wimlib_lzx_context **comp_ctx)
 {
 	size_t table_size;
 	struct wim_lookup_table_entry *lte;
@@ -712,7 +713,8 @@ write_wim_lookup_table_from_stream_list(struct list_head *stream_list,
 					     WIMLIB_COMPRESSION_TYPE_NONE,
 					     out_res_entry,
 					     NULL,
-					     write_resource_flags);
+					     write_resource_flags,
+					     comp_ctx);
 	FREE(table_buf);
 	return ret;
 }
@@ -803,7 +805,8 @@ write_wim_lookup_table(WIMStruct *wim, int image, int write_flags,
 	return write_wim_lookup_table_from_stream_list(stream_list,
 						       &wim->out_fd,
 						       out_res_entry,
-						       write_resource_flags);
+						       write_resource_flags,
+						       &wim->lzx_context);
 }
 
 
@@ -1027,8 +1030,7 @@ wim_pathname_to_stream(WIMStruct *wim,
 			return -ENOENT;
 		}
 	} else {
-		lte = inode->i_lte;
-		stream_idx = 0;
+		lte = inode_unnamed_stream_resolved(inode, &stream_idx);
 	}
 out:
 	if (dentry_ret)
@@ -1167,19 +1169,28 @@ inode_stream_lte(const struct wim_inode *inode, unsigned stream_idx,
 }
 
 struct wim_lookup_table_entry *
-inode_unnamed_lte_resolved(const struct wim_inode *inode)
+inode_unnamed_stream_resolved(const struct wim_inode *inode, u16 *stream_idx_ret)
 {
 	wimlib_assert(inode->i_resolved);
 	for (unsigned i = 0; i <= inode->i_num_ads; i++) {
 		if (inode_stream_name_nbytes(inode, i) == 0 &&
 		    !is_zero_hash(inode_stream_hash_resolved(inode, i)))
 		{
+			*stream_idx_ret = i;
 			return inode_stream_lte_resolved(inode, i);
 		}
 	}
+	*stream_idx_ret = 0;
 	return NULL;
 }
 
+struct wim_lookup_table_entry *
+inode_unnamed_lte_resolved(const struct wim_inode *inode)
+{
+	u16 stream_idx;
+	return inode_unnamed_stream_resolved(inode, &stream_idx);
+}
+
 struct wim_lookup_table_entry *
 inode_unnamed_lte_unresolved(const struct wim_inode *inode,
 			     const struct wim_lookup_table *table)
@@ -1221,6 +1232,9 @@ inode_unnamed_lte(const struct wim_inode *inode,
 		return inode_unnamed_lte_unresolved(inode, table);
 }
 
+/* Returns the SHA1 message digest of the unnamed data stream of a WIM inode, or
+ * 'zero_hash' if the unnamed data stream is missing has all zeroes in its SHA1
+ * message digest field.  */
 const u8 *
 inode_unnamed_stream_hash(const struct wim_inode *inode)
 {
@@ -1233,7 +1247,7 @@ inode_unnamed_stream_hash(const struct wim_inode *inode)
 				return hash;
 		}
 	}
-	return NULL;
+	return zero_hash;
 }