4 #include "wimlib/header.h"
5 #include "wimlib/types.h"
6 #include "wimlib/file_io.h"
7 #include "wimlib/list.h"
10 struct wim_lookup_table;
11 struct wim_image_metadata;
13 /* The opaque structure exposed to the wimlib API. */
16 /* File descriptor for the WIM file, opened for reading. in_fd.fd is -1
17 * if the WIM file has not been opened or there is no associated file
21 /* File descriptor, opened either for writing only or for
22 * reading+writing, for the WIM file (if any) currently being written.
24 struct filedes out_fd;
26 /* The name of the WIM file (if any) that has been opened. */
29 /* The lookup table for the WIM file. */
30 struct wim_lookup_table *lookup_table;
32 /* Information retrieved from the XML data, arranged in an orderly
34 struct wim_info *wim_info;
36 /* Array of the image metadata, one for each image in the WIM. */
37 struct wim_image_metadata **image_metadata;
39 /* The header of the WIM file. */
40 struct wim_header hdr;
45 struct wimlib_decompressor *decompressor;
46 enum wimlib_compression_type decompressor_ctype;
47 u32 decompressor_max_block_size;
49 struct list_head subwims;
51 struct list_head subwim_node;
53 /* The currently selected image, indexed starting at 1. If not 0,
54 * subtract 1 from this to get the index of the current image in the
55 * image_metadata array. */
58 /* Have any images been deleted? */
59 u8 deletion_occurred : 1;
61 /* Do we know that all the stream reference counts in the WIM are
62 * correct? If so, this is set to 1 and deletions are safe; otherwise
63 * this is set to 0 and deletions are not safe until reference counts
64 * are recalculated. (This is due to a bug in M$'s software that
65 * generates WIMs with invalid reference counts.) */
70 u8 guid_set_explicitly : 1;
72 /* One of WIMLIB_COMPRESSION_TYPE_*, cached from the header flags. */
75 /* Overridden compression type for wimlib_overwrite() or wimlib_write().
76 * Can be changed by wimlib_set_output_compression_type(); otherwise is
77 * the same as compression_type. */
78 u8 out_compression_type;
80 /* Compression type for writing packed streams; can be set with
81 * wimlib_set_output_pack_compression_type(). */
82 u8 out_pack_compression_type;
84 /* Uncompressed size of compressed chunks in this WIM (cached from
88 /* Overridden chunk size for wimlib_overwrite() or wimlib_write(). Can
89 * be changed by wimlib_set_output_chunk_size(); otherwise is the same
93 /* Chunk size for writing packed streams; can be set with
94 * wimlib_set_output_pack_chunk_size(). */
95 u32 out_pack_chunk_size;
98 static inline bool wim_is_pipable(const WIMStruct *wim)
100 return (wim->hdr.magic == PWM_MAGIC);
103 static inline bool wim_has_integrity_table(const WIMStruct *wim)
105 return (wim->hdr.integrity_table_reshdr.offset_in_wim != 0);
108 static inline bool wim_has_metadata(const WIMStruct *wim)
110 return (wim->image_metadata != NULL || wim->hdr.image_count == 0);
114 wim_recalculate_refcnts(WIMStruct *wim);
117 set_wim_hdr_cflags(int ctype, struct wim_header *hdr);
120 init_wim_header(struct wim_header *hdr, int ctype, u32 chunk_size);
123 read_wim_header(WIMStruct *wim, struct wim_header *hdr);
126 write_wim_header(const struct wim_header *hdr, struct filedes *out_fd);
129 write_wim_header_at_offset(const struct wim_header *hdr, struct filedes *out_fd,
133 write_wim_header_flags(u32 hdr_flags, struct filedes *out_fd);
136 rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to);
139 select_wim_image(WIMStruct *wim, int image);
142 for_image(WIMStruct *wim, int image, int (*visitor)(WIMStruct *));
145 wim_checksum_unhashed_streams(WIMStruct *wim);
148 reopen_wim(WIMStruct *wim);
150 /* Internal open flags (pass to open_wim_as_WIMStruct(), not wimlib_open_wim())
152 #define WIMLIB_OPEN_FLAG_FROM_PIPE 0x80000000
153 #define WIMLIB_OPEN_MASK_PUBLIC 0x7fffffff
156 open_wim_as_WIMStruct(const void *wim_filename_or_fd, int open_flags,
158 wimlib_progress_func_t progress_func);
161 close_wim(WIMStruct *wim);
164 can_modify_wim(WIMStruct *wim);
167 can_delete_from_wim(WIMStruct *wim);
169 #endif /* _WIMLIB_WIM_H */