1 /* Copying of files. 2 Copyright (C) 2001-2003, 2009-2021 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