X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Fwim.h;h=fa19c28dada89f34bdcdb094861255f93889e533;hb=864db0e0929d60b33b8b0df35ccb68d43e7f8684;hp=a2d664eaf07d54e0f4decaca423fd3f719d1fc88;hpb=fced769402ff6ef0bf75fe9e4dcb2880891469e0;p=wimlib diff --git a/include/wimlib/wim.h b/include/wimlib/wim.h index a2d664ea..fa19c28d 100644 --- a/include/wimlib/wim.h +++ b/include/wimlib/wim.h @@ -1,8 +1,11 @@ #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; @@ -11,14 +14,15 @@ struct wim_image_metadata; /* 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; @@ -39,6 +43,14 @@ struct WIMStruct { /* 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. */ @@ -55,38 +67,93 @@ struct WIMStruct { u8 refcnts_ok : 1; u8 wim_locked : 1; + + u8 guid_set_explicitly : 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; }; -extern void +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_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 +#define WIMLIB_OPEN_MASK_PUBLIC 0x7fffffff 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 progress_func); extern int -close_wim(WIMStruct *w); +close_wim(WIMStruct *wim); extern int can_modify_wim(WIMStruct *wim);