C++ (Cpp) sqfs_dentry_next_offset示例

示例#1

文件： hl.c 项目： chipturner/squashfuse

static int sqfs_hl_op_readdir(const char *path, void *buf,
		fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) {
	sqfs_err err;
	sqfs *fs;
	sqfs_inode *inode;
	sqfs_dir dir;
	sqfs_name namebuf;
	sqfs_dir_entry entry;
	struct stat st;
	
	sqfs_hl_lookup(&fs, NULL, NULL);
	inode = (sqfs_inode*)(intptr_t)fi->fh;
		
	if (sqfs_dir_open(fs, inode, &dir, offset))
		return -EINVAL;
	
	memset(&st, 0, sizeof(st));
	sqfs_dentry_init(&entry, namebuf);
	while (sqfs_dir_next(fs, &dir, &entry, &err)) {
		sqfs_off_t doff = sqfs_dentry_next_offset(&entry);
		st.st_mode = sqfs_dentry_mode(&entry);
		if (filler(buf, sqfs_dentry_name(&entry), &st, doff))
			return 0;
	}
	if (err)
		return -EIO;
	return 0;
}

示例#2

文件： ll.c 项目： ksperling/squashfuse

static void sqfs_ll_op_readdir(fuse_req_t req, fuse_ino_t ino, size_t size,
		off_t off, struct fuse_file_info *fi) {
	sqfs_err sqerr;
	sqfs_dir dir;
	sqfs_name namebuf;
	sqfs_dir_entry entry;
	size_t esize;
	struct stat st;
	
	char *buf = NULL, *bufpos = NULL;
	sqfs_ll_i *lli = (sqfs_ll_i*)(intptr_t)fi->fh;
	int err = 0;
	
	if (sqfs_dir_open(&lli->ll->fs, &lli->inode, &dir, off))
		err = EINVAL;
	if (!err && !(bufpos = buf = malloc(size)))
		err = ENOMEM;
	
	if (!err) {
		memset(&st, 0, sizeof(st));
		sqfs_dentry_init(&entry, namebuf);
		while (sqfs_dir_next(&lli->ll->fs, &dir, &entry, &sqerr)) {
			st.st_ino = lli->ll->ino_fuse_num(lli->ll, &entry);
			st.st_mode = sqfs_dentry_mode(&entry);
		
			esize = sqfs_ll_add_direntry(req, bufpos, size, sqfs_dentry_name(&entry),
				&st, sqfs_dentry_next_offset(&entry));
			if (esize > size)
				break;
		
			bufpos += esize;
			size -= esize;
		}
		if (sqerr)
			err = EIO;
	}
	
	if (err)
		fuse_reply_err(req, err);
	else
		fuse_reply_buf(req, buf, bufpos - buf);
	free(buf);
}