+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
typedef enum CopyFlags {
- COPY_REFLINK = 0x1, /* try to reflink */
- COPY_MERGE = 0x2, /* merge existing trees with our new one to copy */
- COPY_REPLACE = 0x4, /* replace an existing file if there's one */
+ COPY_REFLINK = 1 << 0, /* Try to reflink */
+ COPY_MERGE = 1 << 1, /* Merge existing trees with our new one to copy */
+ COPY_REPLACE = 1 << 2, /* Replace an existing file if there's one */
+ COPY_SAME_MOUNT = 1 << 3, /* Don't descend recursively into other file systems, across mount point boundaries */
} CopyFlags;
int copy_file_fd(const char *from, int to, CopyFlags copy_flags);
int copy_tree_at(int fdf, const char *from, int fdt, const char *to, uid_t override_uid, gid_t override_gid, CopyFlags copy_flags);
int copy_directory_fd(int dirfd, const char *to, CopyFlags copy_flags);
int copy_directory(const char *from, const char *to, CopyFlags copy_flags);
-int copy_bytes(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags);
+int copy_bytes_full(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags, void **ret_remains, size_t *ret_remains_size);
+static inline int copy_bytes(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags) {
+ return copy_bytes_full(fdf, fdt, max_bytes, copy_flags, NULL, NULL);
+}
int copy_times(int fdf, int fdt);
int copy_xattr(int fdf, int fdt);