pmt: initial 3.0.2 update

include/libgnulib/copy-file.h

@@ -0,0 +1,83 @@
+/* Copying of files.
+   Copyright (C) 2001-2003, 2009-2024 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 <https://www.gnu.org/licenses/>.  */
+
+
+/* This file uses _GL_ATTRIBUTE_DEPRECATED.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Error codes returned by qcopy_file_preserving or copy_file_to.  */
+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 (similarly to what 'cp -p SRC DEST' would do).
+   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 (similarly to what 'cp -p SRC DEST' would do).
+   Exit upon failure.  */
+extern void xcopy_file_preserving (const char *src_filename, const char *dest_filename);
+
+/* Old name of xcopy_file_preserving.  */
+_GL_ATTRIBUTE_DEPRECATED void copy_file_preserving (const char *src_filename, const char *dest_filename);
+
+
+/* Copy a regular file: from src_filename to dest_filename.
+   The source file is assumed to be not confidential.
+   Modification times, owner, group and access permissions of src_filename
+   are *not* copied over to dest_filename (similarly to what 'cat SRC > DEST'
+   would do; if DEST already exists, this is the same as what 'cp SRC DEST'
+   would do.)
+   Return 0 if successful, otherwise set errno and return one of the error
+   codes above.  */
+extern int copy_file_to (const char *src_filename, const char *dest_filename);
+
+/* Copy a regular file: from src_filename to dest_filename.
+   The source file is assumed to be not confidential.
+   Modification times, owner, group and access permissions of src_filename
+   are *not* copied over to dest_filename (similarly to what 'cat SRC > DEST'
+   would do; if DEST already exists, this is the same as what 'cp SRC DEST'
+   would do.)
+   Exit upon failure.  */
+extern void xcopy_file_to (const char *src_filename, const char *dest_filename);
+
+
+#ifdef __cplusplus
+}
+#endif