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       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : #pragma once
       3                 :            : 
       4                 :            : #include <fcntl.h>
       5                 :            : #include <inttypes.h>
       6                 :            : #include <stdbool.h>
       7                 :            : #include <stdint.h>
       8                 :            : #include <sys/stat.h>
       9                 :            : #include <sys/types.h>
      10                 :            : 
      11                 :            : typedef enum CopyFlags {
      12                 :            :         COPY_REFLINK     = 1 << 0, /* Try to reflink */
      13                 :            :         COPY_MERGE       = 1 << 1, /* Merge existing trees with our new one to copy */
      14                 :            :         COPY_REPLACE     = 1 << 2, /* Replace an existing file if there's one */
      15                 :            :         COPY_SAME_MOUNT  = 1 << 3, /* Don't descend recursively into other file systems, across mount point boundaries */
      16                 :            :         COPY_MERGE_EMPTY = 1 << 4, /* Merge an existing, empty directory with our new tree to copy */
      17                 :            :         COPY_CRTIME      = 1 << 5, /* Generate a user.crtime_usec xattr off the source crtime if there is one, on copying */
      18                 :            :         COPY_SIGINT      = 1 << 6, /* Check for SIGINT regularly and return EINTR if seen (caller needs to block SIGINT) */
      19                 :            : } CopyFlags;
      20                 :            : 
      21                 :            : typedef int (*copy_progress_bytes_t)(uint64_t n_bytes, void *userdata);
      22                 :            : typedef int (*copy_progress_path_t)(const char *path, const struct stat *st, void *userdata);
      23                 :            : 
      24                 :            : int copy_file_fd_full(const char *from, int to, CopyFlags copy_flags, copy_progress_bytes_t progress, void *userdata);
      25                 :          8 : static inline int copy_file_fd(const char *from, int to, CopyFlags copy_flags) {
      26                 :          8 :         return copy_file_fd_full(from, to, copy_flags, NULL, NULL);
      27                 :            : }
      28                 :            : 
      29                 :            : int copy_file_full(const char *from, const char *to, int open_flags, mode_t mode, unsigned chattr_flags, unsigned chattr_mask, CopyFlags copy_flags, copy_progress_bytes_t progress, void *userdata);
      30                 :          4 : static inline int copy_file(const char *from, const char *to, int open_flags, mode_t mode, unsigned chattr_flags, unsigned chattr_mask, CopyFlags copy_flags) {
      31                 :          4 :         return copy_file_full(from, to, open_flags, mode, chattr_flags, chattr_mask, copy_flags, NULL, NULL);
      32                 :            : }
      33                 :            : 
      34                 :            : int copy_file_atomic_full(const char *from, const char *to, mode_t mode, unsigned chattr_flags, unsigned chattr_mask, CopyFlags copy_flags, copy_progress_bytes_t progress, void *userdata);
      35                 :         12 : static inline int copy_file_atomic(const char *from, const char *to, mode_t mode, unsigned chattr_flags, unsigned chattr_mask, CopyFlags copy_flags) {
      36                 :         12 :         return copy_file_atomic_full(from, to, mode, chattr_flags, chattr_mask, copy_flags, NULL, NULL);
      37                 :            : }
      38                 :            : 
      39                 :            : int copy_tree_at_full(int fdf, const char *from, int fdt, const char *to, uid_t override_uid, gid_t override_gid, CopyFlags copy_flags, copy_progress_path_t progress_path, copy_progress_bytes_t progress_bytes, void *userdata);
      40                 :          0 : static inline 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) {
      41                 :          0 :         return copy_tree_at_full(fdf, from, fdt, to, override_uid, override_gid, copy_flags, NULL, NULL, NULL);
      42                 :            : }
      43                 :         12 : static inline int copy_tree(const char *from, const char *to, uid_t override_uid, gid_t override_gid, CopyFlags copy_flags) {
      44                 :         12 :         return copy_tree_at_full(AT_FDCWD, from, AT_FDCWD, to, override_uid, override_gid, copy_flags, NULL, NULL, NULL);
      45                 :            : }
      46                 :            : 
      47                 :            : int copy_directory_fd_full(int dirfd, const char *to, CopyFlags copy_flags, copy_progress_path_t progress_path, copy_progress_bytes_t progress_bytes, void *userdata);
      48                 :            : static inline int copy_directory_fd(int dirfd, const char *to, CopyFlags copy_flags) {
      49                 :            :         return copy_directory_fd_full(dirfd, to, copy_flags, NULL, NULL, NULL);
      50                 :            : }
      51                 :            : 
      52                 :            : int copy_directory_full(const char *from, const char *to, CopyFlags copy_flags, copy_progress_path_t progress_path, copy_progress_bytes_t progress_bytes, void *userdata);
      53                 :            : static inline int copy_directory(const char *from, const char *to, CopyFlags copy_flags) {
      54                 :            :         return copy_directory_full(from, to, copy_flags, NULL, NULL, NULL);
      55                 :            : }
      56                 :            : 
      57                 :            : int copy_bytes_full(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags, void **ret_remains, size_t *ret_remains_size, copy_progress_bytes_t progress, void *userdata);
      58                 :         92 : static inline int copy_bytes(int fdf, int fdt, uint64_t max_bytes, CopyFlags copy_flags) {
      59                 :         92 :         return copy_bytes_full(fdf, fdt, max_bytes, copy_flags, NULL, NULL, NULL, NULL);
      60                 :            : }
      61                 :            : 
      62                 :            : int copy_times(int fdf, int fdt, CopyFlags flags);
      63                 :            : int copy_xattr(int fdf, int fdt);