text: /* Copying of files.
     Copyright (C) 2001-2003, 2009-2015 Free Software Foundation, Inc.
     Written by Bruno Haible <haible@clisp.cons.org>, 2001.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program 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 General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  /* Error codes returned by qcopy_file_preserving.  */
  enum
  {
    GL_COPY_ERR_OPEN_READ = -1,
    GL_COPY_ERR_OPEN_BACKUP_WRITE = -2,
    GL_COPY_ERR_READ = -3,
    GL_COPY_ERR_WRITE = -4,
    GL_COPY_ERR_AFTER_READ = -5,
    GL_COPY_ERR_GET_ACL = -6,
    GL_COPY_ERR_SET_ACL = -7
  };
  
  /* Copy a regular file: from src_filename to dest_filename.
     The destination file is assumed to be a backup file.
     Modification times, owner, group and access permissions are preserved as
     far as possible.
     Return 0 if successful, otherwise set errno and return one of the error
     codes above.  */
  extern int qcopy_file_preserving (const char *src_filename, const char *dest_filename);
  
  /* Copy a regular file: from src_filename to dest_filename.
     The destination file is assumed to be a backup file.
     Modification times, owner, group and access permissions are preserved as
     far as possible.
     Exit upon failure.  */
  extern void copy_file_preserving (const char *src_filename, const char *dest_filename);
  
  
  #ifdef __cplusplus
  }
  #endif
  