Win32 apply

[wimlib] / src / wimlib_internal.h

diff --git a/src/wimlib_internal.h b/src/wimlib_internal.h
index 34cdd72fda079ca9b03fb2d257b6c6675ae73756..b1b2ecd78fc380ed194e5f530da77d56023ce3be 100644 (file)
--- a/src/wimlib_internal.h
+++ b/src/wimlib_internal.h
@@ -214,18 +214,18 @@ struct wim_header {
 struct _ntfs_volume;
 #endif
 
-/* Structure for security data.  Each image in the WIM file has its own security
- * data. */
+/* Table of security descriptors for a WIM image. */
 struct wim_security_data {
        /* The total length of the security data, in bytes.  If there are no
-        * security descriptors, this field may be either 8 (which is correct)
-        * or 0 (which is interpreted as 0). */
+        * security descriptors, this field, when read from the on-disk metadata
+        * resource, may be either 8 (which is correct) or 0 (which is
+        * interpreted as 0). */
        u32 total_length;
 
        /* The number of security descriptors in the array @descriptors, below.
-        * It is really an unsigned int, but it must fit into an int because the
-        * security ID's are signed.  (Not like you would ever have more than a
-        * few hundred security descriptors anyway.) */
+        * It is really an unsigned int on-disk, but it must fit into an int
+        * because the security ID's are signed.  (Not like you would ever have
+        * more than a few hundred security descriptors anyway.) */
        int32_t num_entries;
 
        /* Array of sizes of the descriptors in the array @descriptors. */
@@ -239,29 +239,28 @@ struct wim_security_data {
        u32 refcnt;
 };
 
-struct wim_inode_table;
-
-/* Metadata resource for an image. */
+/* Metadata for a WIM image */
 struct wim_image_metadata {
-       /* Pointer to the root dentry for the image. */
+
+       /* Pointer to the root dentry of the image. */
        struct wim_dentry    *root_dentry;
 
-       /* Pointer to the security data for the image. */
+       /* Pointer to the security data of the image. */
        struct wim_security_data *security_data;
 
-       /* A pointer to the lookup table entry for this image's metadata
-        * resource. */
+       /* Pointer to the lookup table entry for this image's metadata resource
+        */
        struct wim_lookup_table_entry *metadata_lte;
 
-       /* Linked list of inodes for this image. */
+       /* Linked list of inodes of this image */
        struct hlist_head inode_list;
 
-       /* True iff the dentry tree has been modified.  If this is the case, the
-        * memory for the dentry tree is not freed when switching to a different
-        * WIM image. */
+       /* 1 iff the dentry tree has been modified.  If this is the case, the
+        * memory for the dentry tree should not be freed when switching to a
+        * different WIM image. */
        u8 modified : 1;
 
-       /* True iff this image has been mounted read-write. */
+       /* 1 iff this image has been mounted read-write */
        u8 has_been_mounted_rw : 1;
 };
 
@@ -281,7 +280,7 @@ struct WIMStruct {
        /* FILE pointer for the WIM file (if any) currently being written. */
        FILE *out_fp;
 
-       /* The name of the WIM file that has been opened. */
+       /* The name of the WIM file (if any) that has been opened. */
        char *filename;
 
        /* The lookup table for the WIM file. */
@@ -432,7 +431,6 @@ struct apply_args {
 #ifdef WITH_NTFS_3G
        struct _ntfs_volume *vol;
 #endif
-       struct list_head empty_files;
        wimlib_progress_func_t progress_func;
        int (*apply_dentry)(struct wim_dentry *, void *);
 };
@@ -481,6 +479,7 @@ extern int extract_wim_chunk_to_fd(const u8 *buf, size_t len,
 extern int extract_wim_resource(const struct wim_lookup_table_entry *lte,
                                u64 size, extract_chunk_func_t extract_chunk,
                                void *extract_chunk_arg);
+
 /*
  * Extracts the first @size bytes of the WIM resource specified by @lte to the
  * open file descriptor @fd.
@@ -529,6 +528,20 @@ extern int for_image(WIMStruct *w, int image, int (*visitor)(WIMStruct *));
 extern void destroy_image_metadata(struct wim_image_metadata *imd,
                                   struct wim_lookup_table *lt);
 
+/* win32.c */
+
+#if defined(__CYGWIN__) || defined(__WIN32__)
+extern int win32_read_file(const char *filename, void *handle, u64 offset,
+                          size_t size, u8 *buf);
+extern void *win32_open_file(const void *path_utf16);
+extern void win32_close_file(void *handle);
+#ifdef ENABLE_ERROR_MESSAGES
+extern void win32_error(u32 err);
+#else
+#define win32_error(err)
+#endif
+#endif
+
 
 /* write.c */