// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

enclave {

    include "inc/stat.h"
    include "inc/dirent.h"

    trusted {
        /* define ECALLs here. */
    };

    untrusted {
        int u_open_ocall([out] int *error, [in, string] const char *pathname, int flags);
        int u_open64_ocall([out] int *error, [in, string] const char *path, int oflag, int mode);

        int u_fstat_ocall([out] int *error, int fd, [out] struct stat_t *buf);
        int u_fstat64_ocall([out] int *error, int fd, [out] struct stat64_t *buf);
        int u_stat_ocall([out] int *error, [in, string] const char *path, [out] struct stat_t *buf);
        int u_stat64_ocall([out] int *error, [in, string] const char *path, [out] struct stat64_t *buf);
        int u_lstat_ocall([out] int *error, [in, string] const char *path, [out] struct stat_t *buf);
        int u_lstat64_ocall([out] int *error, [in, string] const char *path, [out] struct stat64_t *buf);
        uint64_t u_lseek_ocall([out] int *error, int fd, int64_t offset, int whence);
        int64_t u_lseek64_ocall([out] int *error, int fd, int64_t offset, int whence);
        int u_ftruncate_ocall([out] int *error, int fd, int64_t length);
        int u_ftruncate64_ocall([out] int *error, int fd, int64_t length);
        int u_truncate_ocall([out] int *error, [in, string] const char *path, int64_t length);
        int u_truncate64_ocall([out] int *error, [in, string] const char *path, int64_t length);

        int u_fsync_ocall([out] int *error, int fd);
        int u_fdatasync_ocall([out] int *error, int fd);
        int u_fchmod_ocall([out] int *error, int fd, uint32_t mode);
        int u_unlink_ocall([out] int *error, [in, string] const char *pathname);
        int u_link_ocall([out] int *error, [in, string] const char *oldpath, [in, string] const char *newpath);
        int u_rename_ocall([out] int *error, [in, string] const char *oldpath, [in, string] const char *newpath);
        int u_chmod_ocall([out] int *error, [in, string] const char *path, uint32_t mode);
        size_t u_readlink_ocall([out] int *error, [in, string] const char *path, [out, size=bufsz] char *buf, size_t bufsz);
        int u_symlink_ocall([out] int *error, [in, string] const char *path1, [in, string] const char *path2);
        char *u_realpath_ocall([out] int *error, [in, string] const char *pathname);
        int u_mkdir_ocall([out] int *error, [in, string] const char *pathname, uint32_t mode);
        int u_rmdir_ocall([out] int *error, [in, string] const char *pathname);
        void *u_opendir_ocall([out] int *error, [in, string] const char *pathname);
        int u_readdir64_r_ocall([user_check] void *dirp, [in, out] struct dirent64_t *entry, [out] struct dirent64_t **result);
        int u_closedir_ocall([out] int *error, [user_check] void *dirp);
        int u_dirfd_ocall([out] int *error, [user_check] void *dirp);
        int u_fstatat64_ocall([out] int *error, int dirfd, [in, string] const char *pathname, [out] struct stat64_t *buf, int flags);
    };
};