bsd/hfs/hfs_catalog.c

83 /* Map file mode type to directory entry types */
134 static int buildthread(void *keyp, void *recp, int std_hfs, int directory);
600 	/* It must be in the correct directory */
1002 	 * Now insert the file/directory record
1062  * Assumes that the target's directory exists.
1093 	int directory = from_cdp->cd_flags & CD_ISDIR;
1120 	 * When moving a directory, make sure its a valid move.
1122 	if (directory && (from_cdp->cd_parentcnid != to_cdp->cd_parentcnid)) {
1144 		 * making sure that source directory is not encountered.
1197 	/* Check if the source is directory hard link.  We do not change
1198 	 * directory flag because it is later used to initialize result descp
1201 	    (directory) &&
1222 	if (std_hfs && !directory &&
1324 		/* For directory hard links, always create a file thread
1325 		 * record.  For everything else, use the directory flag.
1330 			datasize = buildthread(&to_iterator->key, recp, std_hfs, directory);
1345 			if (directory && from_cdp->cd_cnid == kHFSRootFolderID) {
1356 			encoding, directory, out_cdp);
1395 	 * The root directory cannot be deleted
1396 	 * A directory must be empty
1641 		/* Note: directory hardlink inodes don't require a text encoding hint. */
1682 			/* A directory hardlink has a link count. */
1735 		 * Do not modify bsdInfo for directory hard link records.
1816 /* This function sets kHFSHasChildLinkBit in a directory hierarchy in the
1818  * either the root folder, or the private metadata directory for storing
1819  * directory hard links.  This function updates the corresponding in-core
1820  * cnode, if any, and the directory record in the catalog btree.
1880 /* This function traverses the parent directory hierarchy from the given
1881  * directory to one level below root directory and checks if any of its
1883  * 	1. A directory hard link.
1884  * 	2. The 'pointed at' directory.
1907 		/* Check if the 'pointed at' directory is an ancestor */
1922 		/* Check if this ancestor is a directory hard link */
2077 		/* directory inodes don't have a chain (its in an EA) */
2219 	/* For directory hard links, create alias in resource fork */
2266  * as normal directories on Leopard or later.  All directory hard link aliases
2270  * only for creating directory hard link aliases.
2304 /* Constants for directory hard link alias */
2306 	/* Size of resource fork data array for directory hard link alias */
2318 	/* Offset for folder ID of the parent directory of the directory inode */
2321 	/* Offset for folder ID of the directory inode */
2325 /* Create and write an alias that points at the directory represented by given
2330  * of directory hard links only, and should not be generalized.
2388 	/* Set id of the parent of the target directory */
2392 	/* Set id of the target directory */
2485  * Callback to collect directory entries.
2486  * Called with readattr_state for each item in a directory.
2644 		 * Position the iterator at the directory's thread record.
2742  * Callback to pack directory entries.
2743  * Called with packdirentry_state for each item in a directory.
2809 	/* We're done when parent directory changes */
2813 		 * the EOF for the directory.  To help future callers, we mark
2909 				/* A directory's link resolves to a directory. */
2911 				/* A directory's link ref is always inode's file id. */
2963 			 * due to the way directory hardlinks are implemented, the actual link
3033 				/* Store unmangled name for the directory hint else it will
3127 	/* We're done when parent directory changes */
3192  * Pack a uio buffer with directory entries from the catalog
3261 		 * Position the iterator at the directory's thread record.
3275 		 * Position the iterator at the directory's thread record.
3348 		 * transfers the previous directory entry found to the user
3351 		 * dummy values to copy the last directory entry stored in
3371 	 * during the enumeration by the catalog callback.  Mark the directory's hint
3444  * Callback to establish directory position.
3445  * Called with position_state for each item in a directory.
3458 	/* Make sure parent directory didn't change */
3732 	 * can resolve directory hardlinks in place).
3848  * buildrecord - build a default catalog directory or file record
4214 buildthread(void *keyp, void *recp, int std_hfs, int directory)
4224 		if (directory)
4236 		if (directory)
4345  * Determine if a catalog node record is a directory.
4355  * cat_lookup_dirlink - lookup a catalog record for directory hard link
4357  * NOT resolve directory hard link to its directory inode and return
4375 	/* No directory hard links on standard HFS */
4409 		/* Lookup resource fork for directory hard link */
4412 		/* Lookup data fork, if any, for directory hard link */
4437  * cnode_update_dirlink - update the catalog node for directory hard link