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/*
 * AppFS Path Type:  Describes the type of path a given file is
 */
typedef enum {
	APPFS_PATHTYPE_INVALID,
	APPFS_PATHTYPE_FILE,
	APPFS_PATHTYPE_DIRECTORY,
	APPFS_PATHTYPE_SYMLINK
	APPFS_PATHTYPE_SYMLINK,
	APPFS_PATHTYPE_SOCKET,
	APPFS_PATHTYPE_FIFO,
} appfs_pathtype_t;

/*
 * AppFS Path Information:
 *         Completely describes a specific path, how it should be returned to
 *         to the kernel
 */
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					pathinfo->typeinfo.symlink.size = attr_value_int;
					pathinfo->typeinfo.symlink.source[attr_value_int] = '\0';

					memcpy(pathinfo->typeinfo.symlink.source, attr_value_str, attr_value_int);
				}
			}
			break;
		case 'p': /* pipe/fifo */
			break;
		case 'S': /* UNIX domain socket */
			break;
		default:
			return(-EIO);
	}

	Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
	if (attr_value != NULL) {
		pathinfo->packaged = 1;
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		}
	} else {
		pathinfo->time = 0;
	}

	return(0);
}

static char *appfs_prepare_to_create(const char *path) {
	Tcl_Interp *interp;
	const char *real_path;
	int tcl_ret;

	interp = appfs_TclInterp();
	if (interp == NULL) {
		return(NULL);
	}

	tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::prepare_to_create", path);
	if (tcl_ret != TCL_OK) {
		APPFS_DEBUG("::appfs::prepare_to_create(%s) failed.", path);
		APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));

		return(NULL);
	}

	real_path = Tcl_GetStringResult(interp);
	if (real_path == NULL) {
		return(NULL);
	}

	return(strdup(real_path));
}

static int appfs_fuse_readlink(const char *path, char *buf, size_t size) {
	struct appfs_pathinfo pathinfo;
	int retval = 0;

	APPFS_DEBUG("Enter (path = %s, ...)", path);

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			stbuf->st_size = pathinfo.typeinfo.file.size;
			break;
		case APPFS_PATHTYPE_SYMLINK:
			stbuf->st_mode = S_IFLNK | 0555;
			stbuf->st_nlink = 1;
			stbuf->st_size = pathinfo.typeinfo.symlink.size;
			break;
		case APPFS_PATHTYPE_SOCKET:
		case APPFS_PATHTYPE_FIFO:
		case APPFS_PATHTYPE_INVALID:
			retval = -EIO;
			retval = -ENOENT;

			break;
	}

	if (pathinfo.packaged) {
		stbuf->st_mode |= 0222;
	}
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		return(-EIO);
	}

	write_ret = write(fi->fh, buf, size);

	return(write_ret);
}

static int appfs_fuse_mknod(const char *path, mode_t mode, dev_t device) {
	char *real_path;
	int mknod_ret;

	if ((mode & S_IFCHR) == S_IFCHR) {
		return(-EPERM);
	}

	if ((mode & S_IFBLK) == S_IFBLK) {
		return(-EPERM);
	}

	real_path = appfs_prepare_to_create(path);
	if (real_path == NULL) {
		return(-EIO);
	}

	mknod_ret = mknod(real_path, mode, device);

	free(real_path);

	if (mknod_ret != 0) {
		return(errno * -1);
	}

	return(0);
}

static int appfs_fuse_create(const char *path, mode_t mode, struct fuse_file_info *fi) {
	int fd;
	int chmod_ret;

	fd = appfs_fuse_open(path, fi);
	if (fd < 0) {
		return(fd);
	}

	chmod_ret = fchmod(fd, mode);
	if (chmod_ret != 0) {
		close(fd);

		return(-EIO);
	}

	return(fd);
}

/*
 * SQLite3 mode: Execute raw SQL and return success or failure
 */
static int appfs_sqlite3(const char *sql) {
	Tcl_Interp *interp;
	const char *sql_ret;
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static struct fuse_operations appfs_operations = {
	.getattr   = appfs_fuse_getattr,
	.readdir   = appfs_fuse_readdir,
	.readlink  = appfs_fuse_readlink,
	.open      = appfs_fuse_open,
	.release   = appfs_fuse_close,
	.read      = appfs_fuse_read,
	.write     = appfs_fuse_write
	.write     = appfs_fuse_write,
	.mknod     = appfs_fuse_mknod,
	.create    = appfs_fuse_create,
};

/*
 * FUSE option parsing callback
 */
static int appfs_fuse_opt_cb(void *data, const char *arg, int key, struct fuse_args *outargs) {
	static int seen_cachedir = 0;