X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Flookup_table.h;h=43dbd4bb9f250b1da8c3cf8c105c774d1619fc86;hp=6facf65adf7052ee6c282d7c719fcdc25d6189e6;hb=b51021c82376ce8d2aecb206c8cbfc4ffa6d4f3a;hpb=b1c4e6a269ae4c969060e33685db12f76a204a58 diff --git a/src/lookup_table.h b/src/lookup_table.h index 6facf65a..43dbd4bb 100644 --- a/src/lookup_table.h +++ b/src/lookup_table.h @@ -48,7 +48,13 @@ struct lookup_table_entry { /* If %true, this lookup table entry corresponds to a symbolic link * reparse buffer. @symlink_reparse_data_buf will give the target of * the symbolic link. */ - bool is_symlink; + enum { + RESOURCE_NONEXISTENT = 0, + RESOURCE_IN_WIM, + RESOURCE_IN_FILE_ON_DISK, + RESOURCE_IN_STAGING_FILE, + RESOURCE_IN_ATTACHED_BUFFER, + } resource_location; /* Number of times this lookup table entry is referenced by dentries. */ u32 refcnt; @@ -72,32 +78,19 @@ struct lookup_table_entry { * It will not be compressed, and its size will be given by * resource_entry.size and resource_entry.original_size. */ union { + WIMStruct *wim; char *file_on_disk; char *staging_file_name; - void *symlink_buf; + u8 *attached_buffer; struct lookup_table_entry *next_lte_in_swm; }; - - union { - struct { /* Used for wimlib_export. */ - - /* If (other_wim_fp != NULL), the file resource indicated - * by this lookup table entry is in a different WIM - * file, and other_wim_fp is the FILE* for it. */ - FILE *other_wim_fp; - - /* Compression type used in other WIM. */ - int other_wim_ctype; - }; - - struct { /* Used for wimlib_mount */ - - /* File descriptors table for this data stream */ - struct wimlib_fd **fds; - u16 num_allocated_fds; - u16 num_opened_fds; - }; - }; + FILE *file_on_disk_fp; +#ifdef WITH_FUSE + /* File descriptors table for this data stream */ + u16 num_opened_fds; + u16 num_allocated_fds; + struct wimlib_fd **fds; +#endif /* When a WIM file is written, out_refcnt starts at 0 and is incremented * whenever the file resource pointed to by this lookup table entry @@ -125,6 +118,24 @@ struct lookup_table_entry { struct list_head staging_list; }; +static inline u64 wim_resource_size(const struct lookup_table_entry *lte) +{ + return lte->resource_entry.original_size; +} + +/* + * XXX Probably should store the compression type directly in the lookup table + * entry + */ +static inline int +wim_resource_compression_type(const struct lookup_table_entry *lte) +{ + if (!(lte->resource_entry.flags & WIM_RESHDR_FLAG_COMPRESSED) + || lte->resource_location != RESOURCE_IN_WIM) + return WIM_COMPRESSION_TYPE_NONE; + return wimlib_get_compression_type(lte->wim); +} + extern struct lookup_table *new_lookup_table(size_t capacity); @@ -164,10 +175,9 @@ extern int lookup_resource(WIMStruct *w, const char *path, extern int zero_out_refcnts(struct lookup_table_entry *entry, void *ignore); -extern void print_lookup_table_entry(struct lookup_table_entry *entry); +extern void print_lookup_table_entry(const struct lookup_table_entry *entry); -extern int read_lookup_table(FILE *fp, u64 offset, u64 size, - struct lookup_table **table_ret); +extern int read_lookup_table(WIMStruct *w); extern void free_lookup_table(struct lookup_table *table);