#ifndef _WIMLIB_WIM_H
#define _WIMLIB_WIM_H
+#include "wimlib.h"
#include "wimlib/header.h"
#include "wimlib/types.h"
+#include "wimlib/file_io.h"
+#include "wimlib/list.h"
struct wim_info;
struct wim_lookup_table;
/* The opaque structure exposed to the wimlib API. */
struct WIMStruct {
- /* File descriptor for the WIM file, opened for reading, or -1 if it has
- * not been opened or there is no associated file backing it yet. */
- int in_fd;
+ /* File descriptor for the WIM file, opened for reading. in_fd.fd is -1
+ * if the WIM file has not been opened or there is no associated file
+ * backing it yet. */
+ struct filedes in_fd;
/* File descriptor, opened either for writing only or for
* reading+writing, for the WIM file (if any) currently being written.
* */
- int out_fd;
+ struct filedes out_fd;
/* The name of the WIM file (if any) that has been opened. */
tchar *filename;
/* Temporary field */
void *private;
+ struct wimlib_decompressor *decompressor;
+ u8 decompressor_ctype;
+ u32 decompressor_max_block_size;
+
+ struct list_head subwims;
+
+ struct list_head subwim_node;
+
/* The currently selected image, indexed starting at 1. If not 0,
* subtract 1 from this to get the index of the current image in the
* image_metadata array. */
/* Have any images been deleted? */
u8 deletion_occurred : 1;
- u8 all_images_verified : 1;
+ /* Do we know that all the stream reference counts in the WIM are
+ * correct? If so, this is set to 1 and deletions are safe; otherwise
+ * this is set to 0 and deletions are not safe until reference counts
+ * are recalculated. (This is due to a bug in M$'s software that
+ * generates WIMs with invalid reference counts.) */
+ u8 refcnts_ok : 1;
+
u8 wim_locked : 1;
+
+ /* One of WIMLIB_COMPRESSION_TYPE_*, cached from the header flags. */
+ u8 compression_type;
+
+ /* Overridden compression type for wimlib_overwrite() or wimlib_write().
+ * Can be changed by wimlib_set_output_compression_type(); otherwise is
+ * the same as compression_type. */
+ u8 out_compression_type;
+
+ /* Compression type for writing packed streams; can be set with
+ * wimlib_set_output_pack_compression_type(). */
+ u8 out_pack_compression_type;
+
+ /* Uncompressed size of compressed chunks in this WIM (cached from
+ * header). */
+ u32 chunk_size;
+
+ /* Overridden chunk size for wimlib_overwrite() or wimlib_write(). Can
+ * be changed by wimlib_set_output_chunk_size(); otherwise is the same
+ * as chunk_size. */
+ u32 out_chunk_size;
+
+ /* Chunk size for writing packed streams; can be set with
+ * wimlib_set_output_pack_chunk_size(). */
+ u32 out_pack_chunk_size;
+
+ /* Currently registered progress function for this WIMStruct, or NULL if
+ * no progress function is currently registered for this WIMStruct. */
+ wimlib_progress_func_t progfunc;
+ void *progctx;
};
+static inline bool wim_is_pipable(const WIMStruct *wim)
+{
+ return (wim->hdr.magic == PWM_MAGIC);
+}
+
+static inline bool wim_has_integrity_table(const WIMStruct *wim)
+{
+ return (wim->hdr.integrity_table_reshdr.offset_in_wim != 0);
+}
+
+static inline bool wim_has_metadata(const WIMStruct *wim)
+{
+ return (wim->image_metadata != NULL || wim->hdr.image_count == 0);
+}
+
extern int
-wim_run_full_verifications(WIMStruct *w);
+wim_recalculate_refcnts(WIMStruct *wim);
extern int
-read_header(const tchar *filename, int in_fd, struct wim_header *hdr);
+set_wim_hdr_cflags(int ctype, struct wim_header *hdr);
extern int
-write_header(const struct wim_header *hdr, int out_fd);
+init_wim_header(struct wim_header *hdr, int ctype, u32 chunk_size);
extern int
-init_header(struct wim_header *hdr, int ctype);
+read_wim_header(WIMStruct *wim, struct wim_header *hdr);
+extern int
+write_wim_header(const struct wim_header *hdr, struct filedes *out_fd);
+
+extern int
+write_wim_header_at_offset(const struct wim_header *hdr, struct filedes *out_fd,
+ off_t offset);
extern int
-rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to);
+write_wim_header_flags(u32 hdr_flags, struct filedes *out_fd);
extern int
-select_wim_image(WIMStruct *w, int image);
+select_wim_image(WIMStruct *wim, int image);
extern int
-for_image(WIMStruct *w, int image, int (*visitor)(WIMStruct *));
+for_image(WIMStruct *wim, int image, int (*visitor)(WIMStruct *));
extern int
-wim_checksum_unhashed_streams(WIMStruct *w);
+wim_checksum_unhashed_streams(WIMStruct *wim);
+
+/* Internal open flags (pass to open_wim_as_WIMStruct(), not wimlib_open_wim())
+ */
+#define WIMLIB_OPEN_FLAG_FROM_PIPE 0x80000000
extern int
-reopen_wim(WIMStruct *w);
+open_wim_as_WIMStruct(const void *wim_filename_or_fd, int open_flags,
+ WIMStruct **wim_ret,
+ wimlib_progress_func_t progfunc, void *progctx);
extern int
-close_wim(WIMStruct *w);
+close_wim(WIMStruct *wim);
extern int
can_modify_wim(WIMStruct *wim);
git://wimlib.net / wimlib / blobdiff