X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Flookup_table.h;h=abd0ccbf5f241bbe3c7998a11e2c4fd9306dbf1b;hb=051e6d3d1c88715d21b422fbcc806ab02d61ab67;hp=592116bcf55d60ef082f9bd5d48caac7bc218edb;hpb=9b9a502863318d6208da2818b1d522346e5eee9e;p=wimlib diff --git a/src/lookup_table.h b/src/lookup_table.h index 592116bc..abd0ccbf 100644 --- a/src/lookup_table.h +++ b/src/lookup_table.h @@ -24,8 +24,6 @@ struct lookup_table { u64 capacity; }; -struct wimlib_fd; - #ifdef WITH_NTFS_3G struct ntfs_location { char *path_utf8; @@ -133,9 +131,17 @@ struct lookup_table_entry { size_t hash_short; }; - #ifdef WITH_FUSE - u16 num_opened_fds; - #endif + union { + #ifdef WITH_FUSE + u16 num_opened_fds; + #endif + + /* This field is used for the special hardlink or symlink image + * extraction mode. In these mode, all identical files are linked + * together, and @extracted_file will be set to the filename of the + * first extracted file containing this stream. */ + char *extracted_file; + }; /* Pointers to somewhere where the stream is actually located. See the * comments for the @resource_location field above. */ @@ -195,20 +201,16 @@ struct lookup_table_entry { * This field is also used to make other lists of lookup table entries. * */ struct list_head staging_list; - - /* This field is used for the special hardlink or symlink image - * extraction mode. In these mode, all identical files are linked - * together, and @extracted_file will be set to the filename of the - * first extracted file containing this stream. */ - char *extracted_file; }; -static inline u64 wim_resource_size(const struct lookup_table_entry *lte) +static inline u64 +wim_resource_size(const struct lookup_table_entry *lte) { return lte->resource_entry.original_size; } -static inline u64 wim_resource_chunks(const struct lookup_table_entry *lte) +static inline u64 +wim_resource_chunks(const struct lookup_table_entry *lte) { return (wim_resource_size(lte) + WIM_CHUNK_SIZE - 1) / WIM_CHUNK_SIZE; } @@ -233,67 +235,82 @@ wim_resource_compression_type(const struct lookup_table_entry *lte) } -extern struct lookup_table *new_lookup_table(size_t capacity); +extern struct lookup_table * +new_lookup_table(size_t capacity); -extern void lookup_table_insert(struct lookup_table *table, - struct lookup_table_entry *lte); +extern int +read_lookup_table(WIMStruct *w); + +extern int +write_lookup_table(struct lookup_table *table, FILE *out, + struct resource_entry *out_res_entry); +extern void +free_lookup_table(struct lookup_table *table); + +extern void +lookup_table_insert(struct lookup_table *table, struct lookup_table_entry *lte); /* Unlinks a lookup table entry from the table; does not free it. */ -static inline void lookup_table_unlink(struct lookup_table *table, - struct lookup_table_entry *lte) +static inline void +lookup_table_unlink(struct lookup_table *table, struct lookup_table_entry *lte) { hlist_del(<e->hash_list); table->num_entries--; } -extern struct lookup_table_entry *new_lookup_table_entry(); +extern struct lookup_table_entry * +new_lookup_table_entry(); extern struct lookup_table_entry * clone_lookup_table_entry(const struct lookup_table_entry *lte); -extern int for_lookup_table_entry(struct lookup_table *table, - int (*visitor)(struct lookup_table_entry *, void *), - void *arg); +extern void +print_lookup_table_entry(const struct lookup_table_entry *entry); + +extern void +free_lookup_table_entry(struct lookup_table_entry *lte); + +extern int +for_lookup_table_entry(struct lookup_table *table, + int (*visitor)(struct lookup_table_entry *, void *), + void *arg); extern struct lookup_table_entry * __lookup_resource(const struct lookup_table *table, const u8 hash[]); -extern int lookup_resource(WIMStruct *w, const char *path, - int lookup_flags, struct dentry **dentry_ret, - struct lookup_table_entry **lte_ret, - u16 *stream_idx_ret); +extern int +lookup_resource(WIMStruct *w, const char *path, + int lookup_flags, struct dentry **dentry_ret, + struct lookup_table_entry **lte_ret, u16 *stream_idx_ret); -extern void lte_decrement_refcnt(struct lookup_table_entry *lte, - struct lookup_table *table); +extern void +lte_decrement_refcnt(struct lookup_table_entry *lte, + struct lookup_table *table); #ifdef WITH_FUSE -extern void lte_decrement_num_opened_fds(struct lookup_table_entry *lte); +extern void +lte_decrement_num_opened_fds(struct lookup_table_entry *lte); #endif -extern int lte_zero_out_refcnt(struct lookup_table_entry *entry, void *ignore); -extern int lte_zero_real_refcnt(struct lookup_table_entry *entry, void *ignore); -extern int lte_zero_extracted_file(struct lookup_table_entry *lte, void *ignore); -extern int lte_free_extracted_file(struct lookup_table_entry *lte, void *ignore); - -extern void print_lookup_table_entry(const struct lookup_table_entry *entry); - -extern int read_lookup_table(WIMStruct *w); +extern int +lte_zero_out_refcnt(struct lookup_table_entry *entry, void *ignore); -extern void free_lookup_table(struct lookup_table *table); +extern int +lte_zero_real_refcnt(struct lookup_table_entry *entry, void *ignore); -extern int write_lookup_table_entry(struct lookup_table_entry *lte, void *__out); +extern int +lte_free_extracted_file(struct lookup_table_entry *lte, void *ignore); -extern void free_lookup_table_entry(struct lookup_table_entry *lte); +extern void +inode_resolve_ltes(struct inode *inode, struct lookup_table *table); -extern void inode_resolve_ltes(struct inode *inode, - struct lookup_table *table); +extern void +inode_unresolve_ltes(struct inode *inode); -extern int dentry_resolve_ltes(struct dentry *dentry, void *__table); -extern int dentry_unresolve_ltes(struct dentry *dentry, void *ignore); +extern int +write_lookup_table_entry(struct lookup_table_entry *lte, void *__out); -int write_lookup_table(struct lookup_table *table, FILE *out, - struct resource_entry *out_res_entry); - -static inline struct resource_entry* wim_metadata_resource_entry(WIMStruct *w) +static inline struct resource_entry* +wim_metadata_resource_entry(WIMStruct *w) { return &w->image_metadata[ w->current_image - 1].metadata_lte->resource_entry; @@ -325,26 +342,13 @@ inode_stream_lte_unresolved(const struct inode *inode, unsigned stream_idx, inode->ads_entries[ stream_idx - 1].hash); } -/* - * Returns the lookup table entry for stream @stream_idx of the inode, where - * stream_idx = 0 means the default un-named file stream, and stream_idx >= 1 - * corresponds to an alternate data stream. - * - * This works for both resolved and un-resolved dentries. - */ -static inline struct lookup_table_entry * -inode_stream_lte(const struct inode *inode, unsigned stream_idx, - const struct lookup_table *table) -{ - if (inode->resolved) - return inode_stream_lte_resolved(inode, stream_idx); - else - return inode_stream_lte_unresolved(inode, stream_idx, table); -} +extern struct lookup_table_entry * +inode_stream_lte(const struct inode *inode, unsigned stream_idx, + const struct lookup_table *table); -static inline const u8 *inode_stream_hash_unresolved(const struct inode *inode, - unsigned stream_idx) +static inline const u8 * +inode_stream_hash_unresolved(const struct inode *inode, unsigned stream_idx) { wimlib_assert(!inode->resolved); wimlib_assert(stream_idx <= inode->num_ads); @@ -355,8 +359,8 @@ static inline const u8 *inode_stream_hash_unresolved(const struct inode *inode, } -static inline const u8 *inode_stream_hash_resolved(const struct inode *inode, - unsigned stream_idx) +static inline const u8 * +inode_stream_hash_resolved(const struct inode *inode, unsigned stream_idx) { struct lookup_table_entry *lte; lte = inode_stream_lte_resolved(inode, stream_idx); @@ -373,8 +377,8 @@ static inline const u8 *inode_stream_hash_resolved(const struct inode *inode, * * This works for both resolved and un-resolved dentries. */ -static inline const u8 *inode_stream_hash(const struct inode *inode, - unsigned stream_idx) +static inline const u8 * +inode_stream_hash(const struct inode *inode, unsigned stream_idx) { if (inode->resolved) return inode_stream_hash_resolved(inode, stream_idx); @@ -382,8 +386,8 @@ static inline const u8 *inode_stream_hash(const struct inode *inode, return inode_stream_hash_unresolved(inode, stream_idx); } -static inline u16 inode_stream_name_len(const struct inode *inode, - unsigned stream_idx) +static inline u16 +inode_stream_name_len(const struct inode *inode, unsigned stream_idx) { wimlib_assert(stream_idx <= inode->num_ads); if (stream_idx == 0) @@ -416,10 +420,9 @@ inode_unnamed_lte_unresolved(const struct inode *inode, } extern struct lookup_table_entry * -inode_unnamed_lte(const struct inode *inode, - const struct lookup_table *table); - -extern u64 lookup_table_total_stream_size(struct lookup_table *table); +inode_unnamed_lte(const struct inode *inode, const struct lookup_table *table); +extern u64 +lookup_table_total_stream_size(struct lookup_table *table); #endif