maint: update copyright

[gnulib.git] / lib / copy-file.h

diff --git a/lib/copy-file.h b/lib/copy-file.h
index bf5e9d8..0fa24be 100644 (file)
--- a/lib/copy-file.h
+++ b/lib/copy-file.h
@@ -1,11 +1,11 @@
 /* Copying of files.
-   Copyright (C) 2001-2003 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2009-2014 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
+   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 2, or (at your option)
-   any later version.
+   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
@@ -13,8 +13,7 @@
    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, write to the Free Software Foundation,
-   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #ifdef __cplusplus
@@ -22,6 +21,26 @@ 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