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	[PATCH] hfs: NLS support
This adds NLS support to HFS. Using the kernel options iocharset and codepage it's possible to map the disk encoding to a local mapping. If these options are not used, it falls back to the old direct mapping. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
		
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						commit
						328b922786
					
				
					 8 changed files with 176 additions and 46 deletions
				
			
		| 
						 | 
				
			
			@ -20,12 +20,12 @@
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 *
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 * Given the ID of the parent and the name build a search key.
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 */
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void hfs_cat_build_key(btree_key *key, u32 parent, struct qstr *name)
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void hfs_cat_build_key(struct super_block *sb, btree_key *key, u32 parent, struct qstr *name)
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{
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	key->cat.reserved = 0;
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	key->cat.ParID = cpu_to_be32(parent);
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	if (name) {
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		hfs_triv2mac(&key->cat.CName, name);
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		hfs_asc2mac(sb, &key->cat.CName, name);
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		key->key_len = 6 + key->cat.CName.len;
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	} else {
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		memset(&key->cat.CName, 0, sizeof(struct hfs_name));
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			@ -62,13 +62,14 @@ static int hfs_cat_build_record(hfs_cat_rec *rec, u32 cnid, struct inode *inode)
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	}
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}
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static int hfs_cat_build_thread(hfs_cat_rec *rec, int type,
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static int hfs_cat_build_thread(struct super_block *sb,
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				hfs_cat_rec *rec, int type,
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				u32 parentid, struct qstr *name)
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{
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	rec->type = type;
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	memset(rec->thread.reserved, 0, sizeof(rec->thread.reserved));
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	rec->thread.ParID = cpu_to_be32(parentid);
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	hfs_triv2mac(&rec->thread.CName, name);
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	hfs_asc2mac(sb, &rec->thread.CName, name);
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	return sizeof(struct hfs_cat_thread);
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}
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						 | 
				
			
			@ -93,8 +94,8 @@ int hfs_cat_create(u32 cnid, struct inode *dir, struct qstr *str, struct inode *
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	sb = dir->i_sb;
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	hfs_find_init(HFS_SB(sb)->cat_tree, &fd);
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	hfs_cat_build_key(fd.search_key, cnid, NULL);
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	entry_size = hfs_cat_build_thread(&entry, S_ISDIR(inode->i_mode) ?
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	hfs_cat_build_key(sb, fd.search_key, cnid, NULL);
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	entry_size = hfs_cat_build_thread(sb, &entry, S_ISDIR(inode->i_mode) ?
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			HFS_CDR_THD : HFS_CDR_FTH,
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			dir->i_ino, str);
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	err = hfs_brec_find(&fd);
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						 | 
				
			
			@ -107,7 +108,7 @@ int hfs_cat_create(u32 cnid, struct inode *dir, struct qstr *str, struct inode *
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	if (err)
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		goto err2;
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	hfs_cat_build_key(fd.search_key, dir->i_ino, str);
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	hfs_cat_build_key(sb, fd.search_key, dir->i_ino, str);
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	entry_size = hfs_cat_build_record(&entry, cnid, inode);
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	err = hfs_brec_find(&fd);
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	if (err != -ENOENT) {
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			@ -127,7 +128,7 @@ int hfs_cat_create(u32 cnid, struct inode *dir, struct qstr *str, struct inode *
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	return 0;
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err1:
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	hfs_cat_build_key(fd.search_key, cnid, NULL);
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	hfs_cat_build_key(sb, fd.search_key, cnid, NULL);
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	if (!hfs_brec_find(&fd))
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		hfs_brec_remove(&fd);
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err2:
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			@ -176,7 +177,7 @@ int hfs_cat_find_brec(struct super_block *sb, u32 cnid,
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	hfs_cat_rec rec;
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	int res, len, type;
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	hfs_cat_build_key(fd->search_key, cnid, NULL);
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	hfs_cat_build_key(sb, fd->search_key, cnid, NULL);
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	res = hfs_brec_read(fd, &rec, sizeof(rec));
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	if (res)
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		return res;
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			@ -211,7 +212,7 @@ int hfs_cat_delete(u32 cnid, struct inode *dir, struct qstr *str)
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	sb = dir->i_sb;
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	hfs_find_init(HFS_SB(sb)->cat_tree, &fd);
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	hfs_cat_build_key(fd.search_key, dir->i_ino, str);
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	hfs_cat_build_key(sb, fd.search_key, dir->i_ino, str);
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	res = hfs_brec_find(&fd);
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	if (res)
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		goto out;
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			@ -239,7 +240,7 @@ int hfs_cat_delete(u32 cnid, struct inode *dir, struct qstr *str)
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	if (res)
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		goto out;
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	hfs_cat_build_key(fd.search_key, cnid, NULL);
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	hfs_cat_build_key(sb, fd.search_key, cnid, NULL);
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	res = hfs_brec_find(&fd);
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	if (!res) {
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		res = hfs_brec_remove(&fd);
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			@ -280,7 +281,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, struct qstr *src_name,
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	dst_fd = src_fd;
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	/* find the old dir entry and read the data */
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	hfs_cat_build_key(src_fd.search_key, src_dir->i_ino, src_name);
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	hfs_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name);
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	err = hfs_brec_find(&src_fd);
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	if (err)
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		goto out;
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			@ -289,7 +290,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, struct qstr *src_name,
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			    src_fd.entrylength);
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	/* create new dir entry with the data from the old entry */
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	hfs_cat_build_key(dst_fd.search_key, dst_dir->i_ino, dst_name);
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	hfs_cat_build_key(sb, dst_fd.search_key, dst_dir->i_ino, dst_name);
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	err = hfs_brec_find(&dst_fd);
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	if (err != -ENOENT) {
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		if (!err)
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						 | 
				
			
			@ -305,7 +306,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, struct qstr *src_name,
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	mark_inode_dirty(dst_dir);
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	/* finally remove the old entry */
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	hfs_cat_build_key(src_fd.search_key, src_dir->i_ino, src_name);
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	hfs_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name);
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	err = hfs_brec_find(&src_fd);
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	if (err)
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		goto out;
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						 | 
				
			
			@ -321,7 +322,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, struct qstr *src_name,
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		goto out;
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	/* remove old thread entry */
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	hfs_cat_build_key(src_fd.search_key, cnid, NULL);
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	hfs_cat_build_key(sb, src_fd.search_key, cnid, NULL);
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	err = hfs_brec_find(&src_fd);
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	if (err)
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		goto out;
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			@ -330,8 +331,8 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, struct qstr *src_name,
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		goto out;
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	/* create new thread entry */
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	hfs_cat_build_key(dst_fd.search_key, cnid, NULL);
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	entry_size = hfs_cat_build_thread(&entry, type == HFS_CDR_FIL ? HFS_CDR_FTH : HFS_CDR_THD,
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	hfs_cat_build_key(sb, dst_fd.search_key, cnid, NULL);
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	entry_size = hfs_cat_build_thread(sb, &entry, type == HFS_CDR_FIL ? HFS_CDR_FTH : HFS_CDR_THD,
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					dst_dir->i_ino, dst_name);
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	err = hfs_brec_find(&dst_fd);
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	if (err != -ENOENT) {
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						 | 
				
			
			
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		|||
							
								
								
									
										11
									
								
								fs/hfs/dir.c
									
									
									
									
									
								
							
							
						
						
									
										11
									
								
								fs/hfs/dir.c
									
									
									
									
									
								
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			@ -28,7 +28,7 @@ static struct dentry *hfs_lookup(struct inode *dir, struct dentry *dentry,
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	dentry->d_op = &hfs_dentry_operations;
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	hfs_find_init(HFS_SB(dir->i_sb)->cat_tree, &fd);
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	hfs_cat_build_key(fd.search_key, dir->i_ino, &dentry->d_name);
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	hfs_cat_build_key(dir->i_sb, fd.search_key, dir->i_ino, &dentry->d_name);
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	res = hfs_brec_read(&fd, &rec, sizeof(rec));
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	if (res) {
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		hfs_find_exit(&fd);
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			@ -56,7 +56,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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	struct inode *inode = filp->f_dentry->d_inode;
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	struct super_block *sb = inode->i_sb;
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	int len, err;
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	char strbuf[HFS_NAMELEN + 1];
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	char strbuf[HFS_MAX_NAMELEN];
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	union hfs_cat_rec entry;
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	struct hfs_find_data fd;
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	struct hfs_readdir_data *rd;
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			@ -66,7 +66,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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		return 0;
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	hfs_find_init(HFS_SB(sb)->cat_tree, &fd);
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	hfs_cat_build_key(fd.search_key, inode->i_ino, NULL);
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	hfs_cat_build_key(sb, fd.search_key, inode->i_ino, NULL);
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	err = hfs_brec_find(&fd);
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	if (err)
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		goto out;
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			@ -111,7 +111,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
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		}
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		hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength);
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		type = entry.type;
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		len = hfs_mac2triv(strbuf, &fd.key->cat.CName);
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		len = hfs_mac2asc(sb, strbuf, &fd.key->cat.CName);
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		if (type == HFS_CDR_DIR) {
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			if (fd.entrylength < sizeof(struct hfs_cat_dir)) {
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				printk("HFS: small dir entry\n");
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			@ -307,7 +307,8 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,
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			   old_dir, &old_dentry->d_name,
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			   new_dir, &new_dentry->d_name);
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	if (!res)
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		hfs_cat_build_key((btree_key *)&HFS_I(old_dentry->d_inode)->cat_key,
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		hfs_cat_build_key(old_dir->i_sb,
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				  (btree_key *)&HFS_I(old_dentry->d_inode)->cat_key,
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				  new_dir->i_ino, &new_dentry->d_name);
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	return res;
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}
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			@ -25,6 +25,7 @@
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#define HFS_SECTOR_SIZE		512    /* size of an HFS sector */
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#define HFS_SECTOR_SIZE_BITS	9      /* log_2(HFS_SECTOR_SIZE) */
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#define HFS_NAMELEN		31     /* maximum length of an HFS filename */
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#define HFS_MAX_NAMELEN		128
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#define HFS_MAX_VALENCE		32767U
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/* Meanings of the drAtrb field of the MDB,
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						 | 
				
			
			
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			@ -141,6 +141,8 @@ struct hfs_sb_info {
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	int session, part;
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	struct nls_table *nls_io, *nls_disk;
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	struct semaphore bitmap_lock;
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	unsigned long flags;
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			@ -168,7 +170,7 @@ extern int hfs_cat_create(u32, struct inode *, struct qstr *, struct inode *);
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extern int hfs_cat_delete(u32, struct inode *, struct qstr *);
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extern int hfs_cat_move(u32, struct inode *, struct qstr *,
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			struct inode *, struct qstr *);
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extern void hfs_cat_build_key(btree_key *, u32, struct qstr *);
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extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qstr *);
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/* dir.c */
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extern struct file_operations hfs_dir_operations;
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			@ -222,8 +224,8 @@ extern int hfs_strcmp(const unsigned char *, unsigned int,
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extern int hfs_compare_dentry(struct dentry *, struct qstr *, struct qstr *);
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/* trans.c */
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extern void hfs_triv2mac(struct hfs_name *, struct qstr *);
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extern int hfs_mac2triv(char *, const struct hfs_name *);
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extern void hfs_asc2mac(struct super_block *, struct hfs_name *, struct qstr *);
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extern int hfs_mac2asc(struct super_block *, char *, const struct hfs_name *);
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extern struct timezone sys_tz;
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						 | 
				
			
			@ -160,7 +160,7 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode)
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	init_MUTEX(&HFS_I(inode)->extents_lock);
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	INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list);
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	hfs_cat_build_key((btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
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	hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
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	inode->i_ino = HFS_SB(sb)->next_id++;
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	inode->i_mode = mode;
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	inode->i_uid = current->fsuid;
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| 
						 | 
				
			
			@ -10,6 +10,7 @@
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#include <linux/cdrom.h>
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#include <linux/genhd.h>
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#include <linux/nls.h>
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#include "hfs_fs.h"
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#include "btree.h"
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						 | 
				
			
			@ -343,6 +344,11 @@ void hfs_mdb_put(struct super_block *sb)
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	brelse(HFS_SB(sb)->mdb_bh);
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	brelse(HFS_SB(sb)->alt_mdb_bh);
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	if (HFS_SB(sb)->nls_io)
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		unload_nls(HFS_SB(sb)->nls_io);
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	if (HFS_SB(sb)->nls_disk)
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		unload_nls(HFS_SB(sb)->nls_disk);
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	kfree(HFS_SB(sb));
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	sb->s_fs_info = NULL;
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}
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						 | 
				
			
			
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| 
						 | 
				
			
			@ -17,6 +17,7 @@
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#include <linux/blkdev.h>
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#include <linux/mount.h>
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#include <linux/init.h>
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#include <linux/nls.h>
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#include <linux/parser.h>
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#include <linux/seq_file.h>
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#include <linux/vfs.h>
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| 
						 | 
				
			
			@ -130,6 +131,10 @@ static int hfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
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		seq_printf(seq, ",part=%u", sbi->part);
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	if (sbi->session >= 0)
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		seq_printf(seq, ",session=%u", sbi->session);
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	if (sbi->nls_disk)
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		seq_printf(seq, ",codepage=%s", sbi->nls_disk->charset);
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	if (sbi->nls_io)
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		seq_printf(seq, ",iocharset=%s", sbi->nls_io->charset);
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	if (sbi->s_quiet)
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		seq_printf(seq, ",quiet");
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	return 0;
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| 
						 | 
				
			
			@ -163,6 +168,7 @@ static struct super_operations hfs_super_operations = {
 | 
			
		|||
enum {
 | 
			
		||||
	opt_uid, opt_gid, opt_umask, opt_file_umask, opt_dir_umask,
 | 
			
		||||
	opt_part, opt_session, opt_type, opt_creator, opt_quiet,
 | 
			
		||||
	opt_codepage, opt_iocharset,
 | 
			
		||||
	opt_err
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -177,6 +183,8 @@ static match_table_t tokens = {
 | 
			
		|||
	{ opt_type, "type=%s" },
 | 
			
		||||
	{ opt_creator, "creator=%s" },
 | 
			
		||||
	{ opt_quiet, "quiet" },
 | 
			
		||||
	{ opt_codepage, "codepage=%s" },
 | 
			
		||||
	{ opt_iocharset, "iocharset=%s" },
 | 
			
		||||
	{ opt_err, NULL }
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -282,11 +290,46 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
 | 
			
		|||
		case opt_quiet:
 | 
			
		||||
			hsb->s_quiet = 1;
 | 
			
		||||
			break;
 | 
			
		||||
		case opt_codepage:
 | 
			
		||||
			if (hsb->nls_disk) {
 | 
			
		||||
				printk("HFS+-fs: unable to change codepage\n");
 | 
			
		||||
				return 0;
 | 
			
		||||
			}
 | 
			
		||||
			p = match_strdup(&args[0]);
 | 
			
		||||
			hsb->nls_disk = load_nls(p);
 | 
			
		||||
			if (!hsb->nls_disk) {
 | 
			
		||||
				printk("HFS+-fs: unable to load codepage \"%s\"\n", p);
 | 
			
		||||
				kfree(p);
 | 
			
		||||
				return 0;
 | 
			
		||||
			}
 | 
			
		||||
			kfree(p);
 | 
			
		||||
			break;
 | 
			
		||||
		case opt_iocharset:
 | 
			
		||||
			if (hsb->nls_io) {
 | 
			
		||||
				printk("HFS: unable to change iocharset\n");
 | 
			
		||||
				return 0;
 | 
			
		||||
			}
 | 
			
		||||
			p = match_strdup(&args[0]);
 | 
			
		||||
			hsb->nls_io = load_nls(p);
 | 
			
		||||
			if (!hsb->nls_io) {
 | 
			
		||||
				printk("HFS: unable to load iocharset \"%s\"\n", p);
 | 
			
		||||
				kfree(p);
 | 
			
		||||
				return 0;
 | 
			
		||||
			}
 | 
			
		||||
			kfree(p);
 | 
			
		||||
			break;
 | 
			
		||||
		default:
 | 
			
		||||
			return 0;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	if (hsb->nls_disk && !hsb->nls_io) {
 | 
			
		||||
		hsb->nls_io = load_nls_default();
 | 
			
		||||
		if (!hsb->nls_io) {
 | 
			
		||||
			printk("HFS: unable to load default iocharset\n");
 | 
			
		||||
			return 0;
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	hsb->s_dir_umask &= 0777;
 | 
			
		||||
	hsb->s_file_umask &= 0577;
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										116
									
								
								fs/hfs/trans.c
									
									
									
									
									
								
							
							
						
						
									
										116
									
								
								fs/hfs/trans.c
									
									
									
									
									
								
							| 
						 | 
				
			
			@ -9,12 +9,15 @@
 | 
			
		|||
 * with ':' vs. '/' as the path-element separator.
 | 
			
		||||
 */
 | 
			
		||||
 | 
			
		||||
#include <linux/types.h>
 | 
			
		||||
#include <linux/nls.h>
 | 
			
		||||
 | 
			
		||||
#include "hfs_fs.h"
 | 
			
		||||
 | 
			
		||||
/*================ Global functions ================*/
 | 
			
		||||
 | 
			
		||||
/*
 | 
			
		||||
 * hfs_mac2triv()
 | 
			
		||||
 * hfs_mac2asc()
 | 
			
		||||
 *
 | 
			
		||||
 * Given a 'Pascal String' (a string preceded by a length byte) in
 | 
			
		||||
 * the Macintosh character set produce the corresponding filename using
 | 
			
		||||
| 
						 | 
				
			
			@ -27,23 +30,58 @@
 | 
			
		|||
 * by ':' which never appears in HFS filenames.	 All other characters
 | 
			
		||||
 * are passed unchanged from input to output.
 | 
			
		||||
 */
 | 
			
		||||
int hfs_mac2triv(char *out, const struct hfs_name *in)
 | 
			
		||||
int hfs_mac2asc(struct super_block *sb, char *out, const struct hfs_name *in)
 | 
			
		||||
{
 | 
			
		||||
	const char *p;
 | 
			
		||||
	char c;
 | 
			
		||||
	int i, len;
 | 
			
		||||
	struct nls_table *nls_disk = HFS_SB(sb)->nls_disk;
 | 
			
		||||
	struct nls_table *nls_io = HFS_SB(sb)->nls_io;
 | 
			
		||||
	const char *src;
 | 
			
		||||
	char *dst;
 | 
			
		||||
	int srclen, dstlen, size;
 | 
			
		||||
 | 
			
		||||
	len = in->len;
 | 
			
		||||
	p = in->name;
 | 
			
		||||
	for (i = 0; i < len; i++) {
 | 
			
		||||
		c = *p++;
 | 
			
		||||
		*out++ = c == '/' ? ':' : c;
 | 
			
		||||
	src = in->name;
 | 
			
		||||
	srclen = in->len;
 | 
			
		||||
	dst = out;
 | 
			
		||||
	dstlen = HFS_MAX_NAMELEN;
 | 
			
		||||
	if (nls_io) {
 | 
			
		||||
		wchar_t ch;
 | 
			
		||||
 | 
			
		||||
		while (srclen > 0) {
 | 
			
		||||
			if (nls_disk) {
 | 
			
		||||
				size = nls_disk->char2uni(src, srclen, &ch);
 | 
			
		||||
				if (size <= 0) {
 | 
			
		||||
					ch = '?';
 | 
			
		||||
					size = 1;
 | 
			
		||||
				}
 | 
			
		||||
				src += size;
 | 
			
		||||
				srclen -= size;
 | 
			
		||||
			} else {
 | 
			
		||||
				ch = *src++;
 | 
			
		||||
				srclen--;
 | 
			
		||||
			}
 | 
			
		||||
			if (ch == '/')
 | 
			
		||||
				ch = ':';
 | 
			
		||||
			size = nls_io->uni2char(ch, dst, dstlen);
 | 
			
		||||
			if (size < 0) {
 | 
			
		||||
				if (size == -ENAMETOOLONG)
 | 
			
		||||
					goto out;
 | 
			
		||||
				*dst = '?';
 | 
			
		||||
				size = 1;
 | 
			
		||||
			}
 | 
			
		||||
			dst += size;
 | 
			
		||||
			dstlen -= size;
 | 
			
		||||
		}
 | 
			
		||||
	} else {
 | 
			
		||||
		char ch;
 | 
			
		||||
 | 
			
		||||
		while (--srclen >= 0)
 | 
			
		||||
			*dst++ = (ch = *src++) == '/' ? ':' : ch;
 | 
			
		||||
	}
 | 
			
		||||
	return i;
 | 
			
		||||
out:
 | 
			
		||||
	return dst - out;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/*
 | 
			
		||||
 * hfs_triv2mac()
 | 
			
		||||
 * hfs_asc2mac()
 | 
			
		||||
 *
 | 
			
		||||
 * Given an ASCII string (not null-terminated) and its length,
 | 
			
		||||
 * generate the corresponding filename in the Macintosh character set
 | 
			
		||||
| 
						 | 
				
			
			@ -54,19 +92,57 @@ int hfs_mac2triv(char *out, const struct hfs_name *in)
 | 
			
		|||
 * This routine is a inverse to hfs_mac2triv().
 | 
			
		||||
 * A ':' is replaced by a '/'.
 | 
			
		||||
 */
 | 
			
		||||
void hfs_triv2mac(struct hfs_name *out, struct qstr *in)
 | 
			
		||||
void hfs_asc2mac(struct super_block *sb, struct hfs_name *out, struct qstr *in)
 | 
			
		||||
{
 | 
			
		||||
	struct nls_table *nls_disk = HFS_SB(sb)->nls_disk;
 | 
			
		||||
	struct nls_table *nls_io = HFS_SB(sb)->nls_io;
 | 
			
		||||
	const char *src;
 | 
			
		||||
	char *dst, c;
 | 
			
		||||
	int i, len;
 | 
			
		||||
	char *dst;
 | 
			
		||||
	int srclen, dstlen, size;
 | 
			
		||||
 | 
			
		||||
	out->len = len = min((unsigned int)HFS_NAMELEN, in->len);
 | 
			
		||||
	src = in->name;
 | 
			
		||||
	srclen = in->len;
 | 
			
		||||
	dst = out->name;
 | 
			
		||||
	for (i = 0; i < len; i++) {
 | 
			
		||||
		c = *src++;
 | 
			
		||||
		*dst++ = c == ':' ? '/' : c;
 | 
			
		||||
	dstlen = HFS_NAMELEN;
 | 
			
		||||
	if (nls_io) {
 | 
			
		||||
		wchar_t ch;
 | 
			
		||||
 | 
			
		||||
		while (srclen > 0) {
 | 
			
		||||
			size = nls_io->char2uni(src, srclen, &ch);
 | 
			
		||||
			if (size < 0) {
 | 
			
		||||
				ch = '?';
 | 
			
		||||
				size = 1;
 | 
			
		||||
			}
 | 
			
		||||
			src += size;
 | 
			
		||||
			srclen -= size;
 | 
			
		||||
			if (ch == ':')
 | 
			
		||||
				ch = '/';
 | 
			
		||||
			if (nls_disk) {
 | 
			
		||||
				size = nls_disk->uni2char(ch, dst, dstlen);
 | 
			
		||||
				if (size < 0) {
 | 
			
		||||
					if (size == -ENAMETOOLONG)
 | 
			
		||||
						goto out;
 | 
			
		||||
					*dst = '?';
 | 
			
		||||
					size = 1;
 | 
			
		||||
				}
 | 
			
		||||
				dst += size;
 | 
			
		||||
				dstlen -= size;
 | 
			
		||||
			} else {
 | 
			
		||||
				*dst++ = ch > 0xff ? '?' : ch;
 | 
			
		||||
				dstlen--;
 | 
			
		||||
			}
 | 
			
		||||
		}
 | 
			
		||||
	} else {
 | 
			
		||||
		char ch;
 | 
			
		||||
 | 
			
		||||
		if (dstlen > srclen)
 | 
			
		||||
			dstlen = srclen;
 | 
			
		||||
		while (--dstlen >= 0)
 | 
			
		||||
			*dst++ = (ch = *src++) == ':' ? '/' : ch;
 | 
			
		||||
	}
 | 
			
		||||
	for (; i < HFS_NAMELEN; i++)
 | 
			
		||||
out:
 | 
			
		||||
	out->len = dst - (char *)out->name;
 | 
			
		||||
	dstlen = HFS_NAMELEN - out->len;
 | 
			
		||||
	while (--dstlen >= 0)
 | 
			
		||||
		*dst++ = 0;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
		Reference in a new issue