lib/copy-file.h

   1 /* Copying of files.
   2    Copyright (C) 2001-2003, 2009-2024 Free Software Foundation, Inc.
   3    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation, either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23
  24 /* Error codes returned by qcopy_file_preserving.  */
  25 enum
  26 {
  27   GL_COPY_ERR_OPEN_READ = -1,
  28   GL_COPY_ERR_OPEN_BACKUP_WRITE = -2,
  29   GL_COPY_ERR_READ = -3,
  30   GL_COPY_ERR_WRITE = -4,
  31   GL_COPY_ERR_AFTER_READ = -5,
  32   GL_COPY_ERR_GET_ACL = -6,
  33   GL_COPY_ERR_SET_ACL = -7
  34 };
  35
  36 /* Copy a regular file: from src_filename to dest_filename.
  37    The destination file is assumed to be a backup file.
  38    Modification times, owner, group and access permissions are preserved as
  39    far as possible.
  40    Return 0 if successful, otherwise set errno and return one of the error
  41    codes above.  */
  42 extern int qcopy_file_preserving (const char *src_filename, const char *dest_filename);
  43
  44 /* Copy a regular file: from src_filename to dest_filename.
  45    The destination file is assumed to be a backup file.
  46    Modification times, owner, group and access permissions are preserved as
  47    far as possible.
  48    Exit upon failure.  */
  49 extern void copy_file_preserving (const char *src_filename, const char *dest_filename);
  50
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif